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Home My WebLink About10/02/2006 Council Packet• • • REV I S E D WORK SESSION AGENDA CITY OF LINO LAKES Monday October 2, 2006 CITY COUNCIL WORK SESSION Community Room (not televised) .M. Silvera Memorial- (Additional agenda item request by Carlson) 1. Concept Plan / Comprehensive Plan Update /Amendment — Robinson Family 2. Nature's Refuge EAW Item 6C on council agenda 3. Request for City Code Amendment/Exception NIMS Training — (Additional agenda item request by staff) VLAWMO Update — (Additional agenda item request by staff) MnDOT Disbursement of Turnback Funds — (Additional agenda item request by stafJ) 4. Regular Agenda Items 5. Adjourn PAGE 1 • • • WORK SESSION AGENDA CITY OF LINO LAKES Monday October 2, 2006 CITY COUNCIL WORK SESSION Community Room (not televised) 6:00 P.M. 1. Concept Plan / Comprehensive Plan Update /Amendment — Robinson Family 2. Nature's Refuge EAW Item 6C on council agenda 3. Request for City Code Amendment /Exception 4. Regular Agenda Items 5. Adjourn PAGE 1 LAW OFFICES OF William G. Hawkins and Associates ' o kZ 1 za ° U Sim auk ) Work t u,'1 WILLIAM G. HAWKINS BARRY A. SULLIVAN September 26, 2006 Legal Assistants TAMMI J. UVEGES HOLLY G. PROVO Mr. Gordon Heitke City Administrator Lino Lakes City Hall 600 Town Center Parkway Lino Lakes, MN 55014 Re: I -35W /Lake Drive Property Acquisitions Dear Gordon: 2140 FouRrl -t AVENUE Nonni ANOKA, MINNESOTA 55303 PHONE (763) 427 -8877 FAX (763) 421 -4213 E -MAn, HawkLawl@aol.com am writing this letter to outline the procedures that I believe the City should follow in acquiring properties as a result of the Interstate 35W /Lake Drive improvement project. It is important that the City speak with only one voice in negotiating with property owners so as to avoid confusion and misunderstanding regarding offers and property owner's rights as a result of these acquisitions. The City has retained Wilson Land Services to value these properties and to submit offers to the landowners. I do not believe that any other City staff member, Council members or consultants should be involved in these direct negotiations with the property owners. If Mr. Wilson is able to reach a satisfactory agreement with property owners he must then present the purchase agreements to the City Council for their approval. Pursuant to Minn. Stat. § 13D.05, the City Council may close the Council meeting for the purpose of developing or considering offers or counteroffers for the purchase of real estate. I would recommend that any preliminary negotiations be held in closed session since there will be discussions of strategy and counteroffers that should not be made available at the time of the acquisition. No staff member nor Council member should reveal the nature of these discussions. Mr. Gordon Heitke September 26, 2006 Page Two I hope this clarifies the procedures that I feel are important to ensure that the taxpayer dollars are wisely spent for acquisition of these parcels. If you have any further questions, please feel free to contact me. iiiiam G. Hawkins WGH /tju Gordon Heitke From: Dave Pecchia Sent: Monday, October 02, 2006 4:39 PM To: Gordon Heitke Subject: FW: IS 700 Page 1 of 1 Please forward to the City Council and ask them to have this completed prior to our training scheduled for whatever dates you pick in November. From: Kent Strege Sent: Monday, October 02, 2006 4:16 PM To: Dave Pecchia Subject: IS 700 Chief; The link below will take you straight to the IS 700 online class from FEMA. http / /www. training .fema.gov /EMIWeb /IS /is700.asp Near the bottom of the window will be the links to the different options for taking the course. My suggestion is Option 3: Interactive Web -Based Course (Training Site). After completion of the course materials just link back to the original site and download the final exam questions. Once you have gone through the printed version of the test and have figured your answers out, then link back to the site and select the option to Take the Final Exam. At this point you will click on your answers for the exam and then provide your name and tracking information. After a short amount of time (within a day) you should get an email with your results. If you pass then a link will be provided for you to print out your certificate of completion which a copy of must be turned in to us for tracking purposes. If you do not pass the first time, you can link to the test and take it again. Kent 10/2/2006 Pic-t-u1„,,_ < 0 V.Ink esrrc jc /2 /2_0o4, Monday, October 2, 2006 Dear Mayor and City Council, Thank you for taking the time tonight to discuss the naming of a Lino Lakes park after my husband Officer Shawn Silvera who was killed last fall in the line of duty. It is my pleasure this evening to share with you my support for the park. I remember the first time I heard of the suggestion to name a park after Shawn, the message was delivered to me by Police Chief Dave Pecchia only days after Shawn's tragic and untimely death. The Chief gently informed me that some citizens in Lino Lakes wished to name a park after Shawn. I believe both the Chief and I were humbled by this idea and felt its sense of importance. The Chief encouraged me to wait a few months before acting on anything, while assuring me that he supported this noble idea. Since Shawn's death over a year ago, I have heard the suggestion about naming a park after him several times, including the night of the vigil held by the police department this past September 6t. At that time I was encouraged to attend a council meeting to show my support. Each time this topic is addressed, I am comforted that people of Lino Lakes are generously finding ways to honor Shawn's sacrifice. When I fast forward time in my mind, I imagine someday taking Jordan and Madelynn to a park in Lino Lakes named for their father. I envision what a gift it would be to look at Jordan and say, "This park was named for your dad. That is how great the sacrifice was that he made for you. This is how special your daddy was." Madelynn has just begun to say "Da -da" when she sees a photo of Shawn. It would be an amazing privilege to share this park with Madelynn one day and explain to her that the dad she never had a chance to know was a man of integrity, courage and conviction. He lived a life that my children can be very proud of. The naming of a park in Shawn's honor would be a physical reminder to my children that they are part of a larger community of love and support. Their lives will forever be touched by many special people working to fill the void created on the day their dad was killed. Shawn once shared with me that in his line of work he often met people in their worst moments, as the police are not usually called unless something is wrong. I remember one night he told me, "Jennifer, I meet people in the middle of chaotic situations and it is my goal to bring a sense of calm. It is my hope that somehow in the midst of the crisis, I can help." Shawn's story can be a positive example in the community of learning that it isn't how one dies that makes them a hero, but rather in how a person lives that a legacy is created. This park provides the opportunity to create a living legacy within the town of Lino Lakes by remembering the life of a man who worked to protect their community and significantly served the people by answering a simple call to help. His message is one of hope and purpose; a strong role model for our children and future generations to follow. Personally, for me and my children, we are honored, grateful and fully support a park named after Shawn. Thank you for your time and generosity this evening. Sincerely, Jennifer Silvera • SILVERA MEMORIAL Council member Carlson has requested the opportunity to discuss the issue of designating a memorial, possibly a park, to Officer Silvera. She has also requested that this issue be first on the agenda as Jennifer Silvera will be present, but has another meeting that she needs to leave for. Last April, during discussion of the legislation designating the Shawn Silvera Memorial Highway, other possible forms of recognition were briefly discussed by the Council. Naming a park was suggested as well the idea put forth by Officer Silvera's friends and co- workers of the Lino Lakes Police Department that a memorial be constructed at the Police Station. Some thought and research had been put into a possible design, theme and cost for that memorial. The minutes from that meeting note "that eventually a City policy should be drafted regarding memorials within the City ". It was concluded that at some time in the future this policy will be developed and discussed by the Council. Staff wishes to make the Council aware of Resolution No. 98 -47 which regulates the naming of parks within the City. It is my understanding that this resolution was passed in response to a request to name a park after a family member. • Council Member adoption: introduced the following resolution and moved its CITY OF LINO LAKES RESOLUTION NO. 98 - 47 PARK NAMING POLICY WHEREAS, currently the City does not have a policy for naming parks, and WHEREAS, the Parks and Recreation Board have recommended that the City Council adopt a policy for naming parks that are dedicated to the City when a new plat is approved, and WHEREAS, the City Council wishes to implement the following policy as the Parks and Recreation Board have recommended: NOW, THEREFORE, BE IT RESOLVED, by the City Council of the City of Lino Lakes, Minnesota, as follows: 1. A policy for naming City parks be adopted. 2. The criteria for naming new parks is as follows: NEW PARKS The Park Board will name a new park following preliminary plat approval when a park area is indicated on the plat. Criteria for Naming Parks: 1. Significant or unique characteristic of the park. 2. Historical features relating to the parcel. 3. According to name of adjacent housing development (s). 4. According to location or street name. 5. Names of a community service organization. 6. Names that represent quality of life in Lino Lakes. RESOLUTION NO. 98 - 47 Page -2- 7. Environmental names which may represent the name of animals or trees in the area. Only under significant circumstances will consideration be given to naming parks after individuals and/or organized groups, associations, or businesses. To be considered, the individual, group, association or business, must have made a significant and exceptional contribution to the park involved or the community as a whole. Such contributions should be for recreational purposes. In addition, recognition plaques, memorial plaques, or dedications, may be placed throughout the park system at the discretion of the Parks and Recreation Director with the recommendation of the Park Board. EXISTING PARKS All existing parks will be officially named as to what they have been regularly referred to: Arena Acres Behm's Century Farm Birch Park Birchwood Acres Brandywood City Hall Clearwater Creek Country Lakes LaMotte Park Lino Marshan RENAMING PARKS Pheasant Hills Quail Ridge Rice Lake Estates Shenandoah South Reshanau Lake Estates Sunrise Sunset Oaks Wenzel Farms If a group of individuals are interested in renaming their neighborhood park, the following procedure will be required: 1. Obtain at least 50% of signatures from at least one adult homeowner from each residence within the designated service area as determined by the Parks and Recreation Director (generally 1/2 mile radius). 2. The suggested new name and the rationale for changing must appear on the petition. The petition will be submitted to the Park Board for consideration. RESOLUTION NO. 98 - 47 Page -3- 3. The Park Board will make the recommendation, (if any), to the City Council for final approval. Criteria for Renaming Parks: 1. Significant or unique characteristic of the park. 2. Historical features relating to parcel. 3. According to name of adjacent housing development(s). 4. According to location or street name. 5. Names of a community service organization. 6. Names that represent quality of life in Lino Lakes. 7. Environmental names which may represent the name of animals or trees in the area. Adopted by the Lino Lakes City Council this 13th day of April, 1998. Kimberly A. Sullivan Marilyn G. Anderson, Clerk - Treasurer The motion for the adoption of the foregoing resolution was duly seconded by Council Member and upon vote being taken thereon, the following voted in favor thereof: The following voted against same: Whereupon said resolution was declared duly passed and adopted. • WORK SESSION MEMORANDUM To: City Council From: Michael Grochala Date: October 2, 2006 Re: Work Session Item 1 Concept Plan — Robinson Family Property BACKGROUND WS -1 IIThe City has been approached by the Robinson family and Lino Lakes Development, LLC to consider a master planned mixed use residential community. The approximately 655 -acre development area is located in the northwest quadrant of the City on what is predominately the Robinson Sod Farms. Lino Lakes Development, LLC is comprised of Bancor Group, Plum Investment Company, and Tradition Development as well as two other equity partners. The development team has been involved in some of the premier residential developments in the Twin Cities including Wild Meadows in Medina, Cobblestone Lake in Apple Valley and the Spirit of Brandtjen Farm in Lakeville. The Robinson family and Lino Lakes Development, LLC are aware that the City is beginning its 2008 Comprehensive Plan update. They are requesting consideration of their concept and the opportunity for the project to be evaluated as part of the City's comprehensive planning process. • ANALYSIS Existing Conditions Land Use. The project area is predominately comprised of agricultural uses (sod farms) surrounded by large lot rural residences to the north and east. Residential development has been expanding in the northwest quadrant of the City for the past several years. The most recent development, Century Farms North will be completing its 5th and final stage in 2007. • • • Of the 655 acres contemplated in the Robinson Lakes proposal, approximately 240 acres are currently guided for low and medium density sewered residential uses with the existing comprehensive plan. A portion of the property, approximately 20 acres, lies within the City of Blaine. The Blaine area is guided for low density sewered residential and is within the MUSA. Public Utilities. Public sanitary sewer and water infrastructure is currently in place to service property lying south of main street and portions of the property lying to the north. It is likely that additional trunk sanitary sewer and water infrastructure will be required to facilitate development of both the existing 240 acres guided for development as well as the balance of the property. Transportation. County State Aid Highway (CSAH) 14 /Main Street bisects the project area east -west. CSAH 14 is principal arterial and is currently a two lane road facility. CSAH 14 is one of the few east -west arterials in Anoka County and runs from the City of Anoka to the City of Hugo. Given the importance of the roadway the Cities along its corridor, including Lino Lakes, approved an Access Management Plan in 1999. Access to CSAH 14 from the project area is limited to the existing Sunset Road and 4th Avenue intersections as well as one additional access point mid way between these intersections. Improvements to the CSAH 14 and local supporting road systems will likely be required to facilitate development of both the existing 240 acres guided for development as well as the balance of the property. Natural Resources. Historically, the project area has been used for agricultural purposes and little remains of pre - settlement vegetation and significant natural resources. The site is heavily tiled and water run off is conveyed to County Ditch 10. CD 10 flows southeasterly and empties into Marshan Lake which is a MPCA listed "Impaired Water ". Storm water management will be a high priority on the site to facilitate development of both the existing 240 acres guided for development as well as the balance of the property. The Rice Creek Watershed District (RCWD) has begun evaluating the existing surface water features of the site as part of a Comprehensive Wetland Management Plan for CD 10. Now termed Resource Management Plan (RMP), the study will play an integral part of the City's Comprehensive Plan update. Unlike other areas of the city, development of this specific area will need to concentrate on the creation and establishment of a natural resource system rather than preservation efforts. Proposed Land Use The proposed concept plan prepared by Lino Lakes Development LLC attempts to address some of the above referenced issues. The proposed land use is similar to the low and medium densities already guided for 240 acres of the site. The majority of and area is proposed for single family residential uses with multi family nodes, including an active adult area (senior), interspersed north and south of Main Street. • Similar to "The Lakes" project in Blaine, the sites predominant physical feature is the creation of approximately 125 -140 acres of open water interconnected with a greenway /park system. The concept also proposes a club house and neighborhood recreation facility. The creation of the "lakes" serves several purposes including; 1) management of surface water, 2) creation of site amenities and 3) providing fill for upland areas of the site. The concept illustrates roadway connections to CSAH 14 consistent with the approved Access Management Plan. The local road network would need to be modified slightly to conform to existing and proposed roadways, but generally provides suitable access spacing and connectivity. The submitted housing and landscaping pictures are intended to be representative of the quality and type of housing products as well as site amenities proposed for the site. As shown the housing products offer a high degree of architectural appeal. COUNCIL CONSIDERATION The concept plan, as submitted, is an attempt to illustrate a framework for development that could occupy the project area. It should be viewed as a starting point for discussion. The plan provides the council with an opportunity to evaluate the advantages or disadvantages of master planning at this scale. In absence of the proposed development concept, it is still highly likely that the project area would be identified and evaluated as a future growth area as part of the Comprehensive Plan update. This assumption is based on several factors including but not limited to: 1. The existing proposed land use 2. Developability of the parcel 3. Existence of public infrastructure 4. Location as a gateway to Lino Lakes 5. Surface Water Management Issues 6. Adjacent planning and development in Blaine As noted in the analysis section of this report many of the site development related issues will need to be evaluated as part of the update process regardless of the scope of land use changes. This evaluation would be conducted during the alternatives component of the process. In discussions with the development team staff has been clear that these issues and the proposed development as a whole must be addressed as part of a larger comprehensive plan review. Staff is also aware of the council's preference, as noted during the Hardwood Creek Comprehensive Plan Amendment, to have a project of this scope reviewed under a city wide Comprehensive Plan update if possible. 3 • One advantage to working with the development team is that the comprehensive plan update process can evaluate a "real life" development scenario. Secondly, a project of this scope would be required to go through an Environmental Review Process. By conducting the Environmental Review process during the comprehensive plan update the City would receive a higher level of assessment than what would otherwise be available. The environmental review process would most likely be in the form of an Alternative Urban Areawide Review (AUAR), at the developers' expense. The development team is very receptive to participating in the City's Comprehensive Plan Update process. They have also expressed their willingness to have the City prepare an AUAR for the project area, at their cost. The estimated cost of the AUAR, prepared by DSU, is approximately $251,000. The development team is prepared to move forward with the project but, understandably, due to obligations to the property owner, and the significant upfront expense related to planning the site, they would like to reach a level of understanding with the City Council. If the City is interested in moving forward with the proposal they would request the following consideration by the City Council: 1. A consensus of support for the concept plan and indication of areas of concern. 2. Authorization of the Environmental Review process and for the process to be completed by May 31, 2007 3. Understanding by the council that if the Comprehensive Plan Update is not completed by October 30, 2007 they may decide to submit a separate application to amend the current comp plan. 4. That upon completion of the Environmental Review Process the City would allow the developer to proceed with a Preliminary Plat Application and Rezoning Application with the understanding that any approvals granted would be conditioned upon approval of the comp plan update or an amendment to the comp plan. For the developer to obtain the necessary approvals in order to close on the property in accordance with its agreements with the sellers, the developer has informed staff that it must commence the preliminary plat process by November 1, 2007. The developer has asked for feedback from the council as to whether the council believes this is realistic. STAFF OPINION As the Council has previously discussed there are significant advantages to master planning. However these advantages must be balanced with the community attitudes toward growth within the City. From this perspective there does not appear to be a better opportunity to address this balancing act than by reviewing the project development as part of the Comp Plan update. In response to the developers request staff has the following comments: 4 • 1) Staff is of the opinion that there needs to be a consensus of support from the council before proceeding. There is no apparent reason to commence with the review process, expend dollars from the development team, or waste city personnel time and citizen time if there is no legitimate interest in approving a plan of this scope. However, the concept plan should be viewed simply for what it is — a concept. If it is the councils intent to pursue evaluation of the project through the comp plan update process than it would be in the best interests of the city to allow that process and the environmental review process to determine the final "concept ". There are too many unknowns at this stage in the process to determine what is right and what is wrong for the specific site. Questions of density, housing units, percentage of open space should be addressed as part of the process in relation to other needs within the City. Staff would rather establish a broad design framework for the project area that serves as the base checklist for the project evaluation. This framework would include the following: 1. The project is designed in accordance with Conservation Development principles. 2. Low Impact Design (LID) Best Management Practices be used to the extent possible for surface water management. 3. That the project be designed consistent with the Resource Management Plan (RMP) being prepared collaboratively with the Rice Creek Watershed District and the City. 4. The development promotes walkability. 5. The development provides a variety of housing types. 6. The development establish high standards for architecture. 7. That the development is connected by natural corridors and trails. 8. That the development addresses transportation and utility infrastructure needs. 9. That the development include a centralized community area as well as specialized activity nodes in the form of squares, greens, parks in the various neighborhoods created. 2) If the Council chooses to proceed, the Environmental Review process can begin immediately. The timeline for completion requested by the developer generally conforms to our Comp Plan timeline. While we cannot guarantee completion by May 31, 2007 it is reasonable to assume completion by that date. 3) The developer has noted their request to complete the plan update by October 30, 2007. They have also acknowledged that if not completed by that date they may proceed to submit a separate Comprehensive Plan Amendment application. The City's Comp Plan Update anticipates completion and approval of the draft plan in July 2007. State law requires municipalities to submit comp plan updates to adjacent governmental units and school districts for review and comment. The City must 5 • allow governmental units up to 6 months to review and comment. The City cannot submit the plan to Metropolitan Council until this time period has elapsed or all comments have been received. Therefore, while the draft plan should be completed prior to October 30, 2007 we cannot insure that it is submitted to Metropolitan Council for formal review by this time. Additionally, under state law all property owners have the right to request a Comprehensive Plan Amendment and the City is required to review such request within 60 days of a complete application. 4) The developer has requested that upon completion of the environmental review process they be allowed to submit a Preliminary Plat Application and Rezoning application with any approvals conditioned on approval of the comp plan update or an amendment to the comp plan. Staff is not comfortable with this request as it stands. We do not for see any problem with this process if it follows completion of the Environmental Review process and City approval of the draft plan. This is anticipated for completion in July of 2007. Staff believes this still provides adequate time for the developer to commence the preliminary plat process by November 1, 2007. REQUESTED COUNCIL ACTION • Staff is requesting council response to the developers request and direction on whether or not to proceed. ATTACHMENTS 1. Robinson Lakes Concept Plan • a '^Mo— 1 1 1 1 1 1 1 1 1 1 1 1 ';`4. Bancor TRADITION 1 1 1 1 1 The Bancor Group is owned by Dave Newman and John Schulties. John is the founder of LeGran Homes. Dave is a licensed attorney. While in private practice, Dave specialized in representing parties involved in real estate matters, including home builders, civil engineers and developers. He spent 10 years providing legal representation to cities including the cities of Fridley and Zimmerman. He spent 8 years as a member of the Fridley School Board and 3 years as the Chairman of the Fridley Planning Commission. In 1990 he joined a major twin cities custom homebuilder. Since then he has been actively involved in residential land development. Dave has developed over 1,500 residential lots in a variety of markets. Plum Investment Company is owned by Peter Pflaum the prior CEO and President of Lundgren Bros. Construction. Peter was the principal owner of Lundgren Bros, on its Board of Directors for 30 years and oversaw land acquisition and development of approximately 4,100 lots in over 140 subdivisions. He sold the company to U.S.Home Corporation in April of 1999. At that time Lundgren Bros was the largest private residential builder in the State and had won more local and regional building and development awards than any other local residential building company. In the year 2000 Lennar Corp. acquired US Home Corp and became one of the largest public home builders in the country. After selling the company Peter started his own company, Plum Investment Company Inc., specializing in real estate acquisition and development. Bailey's Arbor - Woodbury, MN Mission - Planned Residential Community - Plymouth, MN Wild Meadows - Medina, MN Lundgren Bros. Neighborhood Tradition Development establishes neighborhoods that blend traditional values with modem conveniences and sensibilities. Tradition Development's strategic partnership with Enebak Construction offers almost 100 years of experience in a wide spectrum of construction including highway construction, residential development, commercial site preparation, golf course construction, clearing and underground utilities. Some of our residential communities include Club West in Blaine, Cobblestone Lake in Apple Valley and Spirit of Brandtjen Farm in Lakeville. All of these developments offer an experience to home owners. They are carefully crafted and designed to offer families a great opportunity to be a part of a special place. Beyond the purchase of their beautiful home, residents are treated with a feeling of community and belonging that Tradition Development carefully creates through the planning process. Jake Enebak is the Chief Executive Officer of Tradition Development. Club West - Blaine, MN The Spirit of Brandyen Farm - Lakeville, MN Cobblestone Lake -Apple Valley, MN Mission Statement Lino Lakes Development, LLC is pleased to present to the City of Lino Lakes, Robinson Lakes, a master planned mixed use residential community. The principals of Lino Lakes Development, LLC., include three very experienced development companies. The development team has collaborated on this site to use their combined talents in order to create a community which will be the finest of its kind in the entire Twin City area. Our focus will be to create a theme for this community incorporating architecture, land plan, amenities and attractive landscape features that compliment each other and combine to make this neighborhood a very special and wonderful place to live. A focus of this new community is the lakes which will provide many unique opportunities for its residents to enjoy. Immediately upon entering this community, you will know this is a very special place with its scenic main entrance crossing a bridge with majestic views of the lakes and the island. In addition, all residents will be members of a state of the art club house. Robinson Lakes will include over 7 miles of trails which will enable its residents to experience a wonderful variety of lake views and landscaped vistas that will connect the many parks and open spaces. About one third of the site, or approximately 190 - 215 acres, will be park, greenway, lakes, ponds and trails. The club house will feature a sandy beach surrounding a Large pool with panoramic views of the lakes. This club house will provide a safe and attractive gathering place for the residents of Robinson Lakes to relax and to meet their neighbors. There will be a wide variety of homes, townhouses and condominiums available, each in their own unique neighborhood with their own special architectural design features. This will create a large variety of housing types, each complementary to the other. The goal of Lino Lakes Development LLC is to create a community which the developers, city and residents all can be very proud of. .r Coon Rapids 1i "1'9Io" Mounds View North Oahe ,oklyn Center p Shoreview ❑ White Bear Lake ° Vadnais Heights ❑ New B►Igt+lon N1MIop Wdl.rnr. ❑ c ° it. Anthony h;° ,Roseville ° ,North St. Paul q • 97, .... Ohs, 1 41 Mark Withrow p Minneapolis ❑ Gloster ® Ha1.1 Par' Oakdale Iuis Park St. Paul a 1 `0I Q 0 O * Maplewood ❑ L. a'. ., ❑ Siegel Beypo ke Elmo COLUMBUS,TOWNSH1P 133E 13191 A 199Th AVE RICE CREEK CHAIN OF LAKES REGIONAL PARK RESERVE 1 1 1 LAND USE PLAN PROPOSED LAND USE Legend Low Density. Unsewered Rassientai Law Dereity, Severed Residential memwm [Moony Resic High Density %video, `Jai IIIII Commercial MI Mixed Ube Industrial PubisdSerro-Public Manuscturea Home Park Lakes >2 Performance Land Use Area Rural Land Use IM Private Airfield (55 2 Atkes ICO miss.. MUSA ? Growl", Area 1998-7010 5160Ing 2 Growth Area 2010-2020 COMPREHENSIVE PLAN UPDATE 75 LINO LAKES DEVELOPMENT FRAMEWORK TOTAL AREA: *680 ACRES EXISTING ZONING: RURAL EXISTING GUIDE PLAN: SEE LAND USE PLAN PREVIOUS PAGE FEMA FLOODPLAIN PROVIDED BY JR HILL INC. DEUNEATED WETLAND BY KJOLHAUG ENVIRONMENTAL SERVICES I l EXISTING WOODLAND WOODLAND ON NORTHEAST AREA OF SITE CONSISTS OF RED PINE, ASPEN. RED OAK, GREEN ASH, WHITE OAK, AND AMERICAN ELM AS PER KJOLHAUG ENVIRONMENTAL SERVICES COMPANY, INC. PRIVATE DITCH PUBUC DITCH WETLAND SINGLE FAMILY SIN FA GROSS AREA: ±680 ACRES PROPOSED ZONING: PUD PROPOSED LAND USE: LOW DENSITY RESIDENTIAL PROPOSED NUMBER OF UNITS: ±1,300 -1.700 PROPOSED GROSS DENSITY: 2 -3 UNITS /ACRE PROPOSED NET DENSITY: 3 -4 UNITS /ACRE OPEN SPACE DATA: PROPOSED UPLAND OPEN SPACE /PARK AREAS: ±65 -75 ACRES PROPOSED PONDING: ±125 -140 ACRES LARGE EXISTING WETLAND AREAS: ±20 ACRES CLUBHOUSE AND NEIGHBORHOOD RECREATION AREA: ±4 ACRES TOTAL OPEN SPACE: ±215 -240 ACRES (32 -35% OF SITE) ■ •"l. PROPOSED TRAIL ±7 MILES SINGLE FAMILY TL ANL? WE TLAND MULTI FAMILY SINGLE FAMILY PARK AC ;ADULT MULTI FAMILY MULTI FAMILY SINGLE FAMILY SINGLE FAMILY SINGLE FAMILY SINGLE FAMILY SINGLE FAMILY SINGLE FAMILY MULTI FAMILY 111 s., ....,, SINGLE FAMILY 4 1 1 ,.'..c2/iy,-?dew e7/1//‘ t--/teZed TOTAL PROPOSED UPLAND PARK AND TRAIL AREA: C5 -75 ACRES (10- I I % OF SITE) TOTAL PROPOSED LAKE/PONDING AREA: 125 -140 ACRES (1 8 -2 1 % OF SITE) CLUBHOUSE AND NEIGHBORHOOD RECREATION AREA: 4 ACRES TOTAL LARGE EXISTING WETLAND AREAS: 20 ACRES TOTAL PARKS, WETLANDS, AND LAKES /PONDS: 2 15 -230 ACRES (32 -35% OF SITE) TOTAL LENGTH OF PROPOSED TRAIL: 7 MILES (RED DASHED LINE) 1 1 1 1 1 7-4,/_,X.-62e&Je • 4°' - y, • ' 4 1 1 1 1 '4'://ck•- -/"..) • _ YCK (7/ C/ /7?/0/ Co'?"? .•f/C1' c"/ 4 4. )174, 11 4„1, 411 Cal •.< .• • 4 • • • 44 . , 71 Sinning 4 .,.. . 7, . ' 1 1 1 1 1 0----- 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 71, ‘,Alli4WW;;Wrrter.r5„7.4 %z s1�- t171 •_Li. __ 1 1 1 1 1 1 1 STAFF ORIGINATOR: C. C. MEETING DATE: TOPIC: ACTION: BACKGROUND AGENDA ITEM S C Jeff Smyser October 9, 2006 Resolution 06 -158 Approving Distribution for Public Comment the Environmental Assessment Worksheet for Nature's Refuge 3/5 vote Nature's Refuge is a conservation development project that was the topic of a May 31 presentation to a joint meeting of the City Council and all the advisory boards. The site lies north of Main Street, generally between Lake Drive and Wood Duck Trail. The project would have a restoration and management plan for the conservation area. We do not yet have a project application. We do have an Environmental Assessment Worksheet (EAW). Information gathered through the EAW process will inform the design of the project before the submittal of a formal development application. The EAW draft was discussed by the Environmental Board at its October 4 meeting. The Environmental Board's revisions to the document will be brought to the City Council at the October 9 meeting. Resolution 06 -158 approves distribution of the document for public comment. A notice will be published in the EQB Monitor, distributed by the MN Environmental Quality Board (EQB). The public comment period begins the day that the notice appears and lasts 30 days. Copies of the EAW will be distributed to state, federal, and other agencies that are on a list maintained by the EQB, and will be available to the general public. After receiving comments, we will examine the EAW document and comments to determine if we need additional information and/or if we should revise the document. Then, the City Council will determine if potential impacts of the project are significant enough to require the preparation of an Environmental Impact Statement. If not, the Council will adopt a finding of no significant impact and the environmental review process ends. The developer then will begin to prepare the final design of the project and the application information. A decision to distribute the EAW for public comment, it is not an approval of the development project. We are following the environmental review process as required by state statute and the rules of the EQB. OPTIONS 1. Approve Resolution 06 -158 approving the distribution of the EAW for public comment. 2. Return to staff with direction. RECOMMENDATION Option 1 Council Member adoption: introduced the following resolution and moved its CITY OF LINO LAKES RESOLUTION NO. 06 -158 RESOLUTION APPROVING THE DISTRIBUTION OF AN ENVIRONMENTAL ASSESSMENT WORKSHEET FOR NATURE'S REFUGE WHEREAS, MN Rules 4410 establishes the requirements for the preparation of an Environmental Assessment Worksheets (EAW); and WHEREAS, Oakwood Land Development is proposing a development called Nature's Refuge that would require an EAW based its proposed number of dwelling units; and WHEREAS, the City has initiated an environmental review to determine if a project has the potential for significant environmental effects, as required by 4410.1000, Subpart 2; and WHEREAS, the project proposer has submitted data for an EAW and the City has reviewed the submitted data and determined to the best of the City's knowledge that the EAW is complete and accurate; NOW, THEREFORE BE IT RESOLVED, that the Lino Lakes City Council approves the distribution of the Nature's Refuge EAW for public comment as required by MN Rules ' 4410.1500. Adopted by the Lino Lakes City Council this day of , 2006. John J. Bergeson, Mayor ATTEST: Julianne Bartell, City Clerk Adopted by the Lino Lakes City Council this day of , 2006. The motion for the adoption of the foregoing resolution was duly seconded by Council Member and upon vote being taken thereon, the following voted in favor thereof: The following voted against same: Whereupon said resolution was declared duly passed and adopted. Nature's Refuge Conservation Development Sections 4 and 5, Township 31N, Range 22W Lino Lakes Anoka County, Minnesota ENVIRONMENTAL ASSESSMENT WORKSHEET DRAFT September 25, 2006 Contributors Concord Ecological Engineering, Inc. N6424 High Mound Road Concord, WI 53178 Critical Connections Ecological Services, Inc. 14758 Ostlund Trail North Marine on Saint Croix, MN 55047 Oakwood Land Development 1611 Hwy 10 NE Spring Lake Park, MN 55432 Passe Engineering, Inc. 1611 County Highway 10 NE Minneapolis, MN 55432 The 106 Group Ltd. The Dacotah Building 370 Selby Avenue St. Paul, MN 55102 Wenck Associates, Inc. 1800 Pioneer Center PO Box 249 Maple Plain, MN 55359 -0249 Table of Contents I. Environmental Assessment Worksheet II. Figures • Figure 1: • Figure 2: • Figure 3: • Figure 4: III. Attachments County map showing the general location of the project U.S. Geological Survey 7.5 minute, 1:24,000 scale map indicating project boundaries Aerial photo showing all wetland boundaries and rare plant locations Aerial photo showing proposed site development plan • Minnesota DNR Natural Heritage Database Review Letter (Attachment A) • Traffic Study Report (Attachment B) • Archeological Survey Report (Attachment C) Environmental Assessment Worksheet Nature's Refuge Conservation Development Lino Lakes, Anoka County, Minnesota Draft Document – September 25, 2006 Page 1 ENVIRONMENTAL ASSESSMENT WORKSHEET Note to preparers: This form is available at http: / /www.eab.state.mn.us. EAW Guidelines will be available in Spring 1999 at the web site. The Environmental Assessment Worksheet provides information about a project that may have the potential for significant environmental effects. The EAW is prepared by the Responsible Governmental Unit or its agents to determine whether an Environmental Impact Statement should be prepared. The project proposer must supply any reasonably accessible data for — but should not complete — the final worksheet. If a complete answer does not fit in the space allotted, attach additional sheets as necessary. The complete question as well as the answer must be included if the EAW is prepared electronically. Note to reviewers: Comments must be submitted to the RGU during the 30 -day comment period following notice of the EAW in the EQB Monitor. Comments should address the accuracy and completeness of information, potential impacts that warrant further investigation and the need for an EIS. 1. Project title Nature's Refuge Residential Subdivision Proposer Contact person: Title: Address: City, state, ZIP: Phone: Fax: E -mail: Oakwood Land Development John Peterson President 1611 County Hwy 10 N.E. Spring Lake Park, MN 55432 763 - 780 -4996, 763 - 286 - 3389 (cell) Oakwoodaens.net Contact person: Title: Address: City, state, ZIP: Phone: Fax: E -mail: Richard S. Carlson Development Richard Carlson President /Owner 7671 Central Avenue N.E Fridley, MN 55432 763- 786 -1218, 612- 703 -3575 (cell) Carlsonfrdly@aol.com' 3. RGU: Contact person: Title: Address: City, state, ZIP: Phone: Fax: E -mail: City of Lino Lakes Jeff Smyser City Planner 600 Town Center Parkway Lino Lakes, MN 55014 -1182 651- 982 -2425 651 -982 -2499 i smvser@ci.lino- lakes.mn.us 4. Reason for EAW preparation (check one) EIS scooping 1Mandatory EAW Citizen petition RGU discretion Proposer volunteered If EAW or EIS is mandatory give EQB rule category subpart number and subpart name: The applicable mandatory EAW category is in Minn. R. 4410.4300, Subp. 19 Residential Development D: "250 unattached units or 375 attached units in a city within the seven - county Twin Cities metropolitan area that has adopted a comprehensive plan under Minnesota Statutes, section 473.859..." Environmental Assessment Worksheet Nature's Refuge Conservation Development Lino Lakes, Anoka County, Minnesota Draft Document — September 25, 2006 Page 2 5. Project location County Anoka City/TawnshtPmnv E' /z of Section 5 (excluding NW' /4 of NEVI, and SW''h of SW1/4), Township 31N, Range 22W Plus part of SWI/ of NW' /4, Section 4, Township 31N, Range 22W See maps for location (Figures 1 and 2). Attachments to the EAW; x • County map showing the general location of the project - Figure 1 • U.S. Geological Survey 7.5 minute, 1:24,000 scale map indicating project boundaries - Figure 2 • Aerial photo showing all wetland boundaries and rare plant locations - Figure 3 • Aerial photo showing proposed site development plan - Figure 4 • Minnesota DNR Natural Heritage Database Review Letter - Attachment A • Traffic Study Report - Attachment B • Archeological Survey Report - Attachment C escription a. Provide a project summary of 50 words or less to be published in the EQB Monitor. Nature's Refuge is a conservation development project located in the City of Lino Lakes on Highway 14, consisting of 278 proposed residential lots on 100 acres and 132 acres of conservation area, which will be restored and maintained under a permanent conservation easement. The project will utilize City sewer and water services. b. Give a complete description of the proposed project and related new construction; Attach addriZtliff etsii necessary. Emphasize construction, operation methods and features that will cause physical manipulation of the environment or will produce wastes. Include modifications to existing equipment or industrial processes and significant demolition, removal or remodeling of existing', structures. Indicate the timing and duration of construction activities. .,..,W, , :...,.v, nof Overview Nature's Refuge is a proposed conservation development that will create a new residential subdivision combined with a wetland conservation area in the City of Lino Lakes. The subdivision will provide additional housing capacity in the form of an infill development. The conservation area will restore and preserve valuable natural resources by combining residential development with a large, high- quality existing wetland complex containing rare plant species and communities. The project relies upon a strategy to create a nature preserve by enhancing (through restoration and active management) a large area of higher -quality wetland as compensation for filling a smaller acreage of lower - quality wetland. Site Description The proposed project site is located on Main Street (County Highway 14) in the City of Lino Lakes, west of County Highway 23, and east of Wood Duck Trail (see attached maps, Figures 1 and 2). It is bounded by Main Street to the south, Pine Street to the north, and existing residential neighborhoods to the east and west. Access can be gained via a dirt field road entrance from Main Street west of Lino Lakes Elementary School. The 232.08 -acre, irregularly shaped property occupies most of the E' /2 of Section 5. The Applicants propose to include a small portion of the SW1/4 of the NW1/4 of Section 4, Township 31N, Range 22W, which is a 17.6 -acre publicly owned parcel known as Woolan's Park. The park land is included in this proposal as part of the conservation area to be restored and managed because it is contiguous with the wetland/woodland complex existing on the privately owned land. The City Comprehensive Plan guides the site for Low - Density, Sewered Residential and Park land uses. The northeastern portion of the site was previously platted under an earlier proposed development, but it will be re- platted if this project goes forward. Environmental Assessment Worksheet Nature's Refuge Conservation Development Lino Lakes, Anoka County, Minnesota Draft Document — September 25, 2006 Page 3 The site consists of oak and aspen second - growth forests, planted pines, fallow agricultural fields, and wetlands of varying type and ecological quality. A large wetland complex occupies much of the eastern portion of the site. The complex includes rare wetland plant communities and several rare plant species. The property was farmed until early last century, but since then has developed somewhat mature second - growth forest. The only current land uses are unauthorized recreational uses, and two utility easements that cross the northern portion of the site. Drainage ditches that were presumably dug during the site's agricultural period are still effective in connecting some of the wetlands to each other and to the off -site drainage network. Proposed Project According to the project plan, the site will be divided into a residential area and surrounding nature- conservation areas. The subdivision will be accessible from the south via an entrance from Main Street immediately west of Lino Lakes Elementary School, and from the north via an entrance from Pine Street. An irregular network of new, curbed, yet -to -be -named residential streets will be built along a roughly north -south axis to provide access to 278 newly platted lots. Sanitary sewer and water supply will be extended from existing infrastructure to service these new lots. The streets will wind through the development, avoiding the majority of wetlands. The typical lot will be rectangular and approximately 80' by 120', but the winding, irregular nature of the streets will mean that many lots will have different dimensions and shape, though their sizes will be similar (see Proposed Site Plan, Figure 4). The project will include restoration and management activities for the majority of the property's wetland area in order to create conservation areas and to offset wetland impacts created by the project. Based in part on the presence of rare plant species (see rare plant locations in Figure 3) and communities on the project site, the Minnesota Board of Water and Soil Resources (BWSR) has already given verbal approval to apply the "Exceptional Natural Resource Value" (ENRV) provisions of the Minnesota Wetland Conservation Act (WCA) to the wetland impact mitigation plans for the project. Under these provisions, the Applicants will gain extra mitigation credits for properly restoring the wetlands that support rare species and unique vegetative wetland communities. This will provide enhancement and protection for a valuable natural area, while providing wetland mitigation credit to offset the proposed wetland impacts created by the project, and excess mitigation credits that will be used as wetland mitigation bank credit. The proposed conservation areas will consist of non - impacted wetlands and adjacent forested upland areas. The conservation areas will be placed under conservation easement, and will be restored according to a formal restoration plan. The plan will include initial restoration activities, plus a 5 -year maintenance and monitoring plan. Following this establishment period, the conservation areas will be preserved, and managed in perpetuity. The funding plan for this ongoing management has not yet been determined, but will probably include a combination of sources (e.g. escrow earnings, homeowner fees). The project will include the creation and maintenance of pedestrian trails through the development. These trails will be linked to the City's trail system as it develops. The trails will separate pedestrians from roadways, and will traverse small portions of the conservation areas. The trails will be constructed to be compatible with the City's "greenway" system. Phasing and Construction Activities The site will be constructed in multiple phases. The anticipated phasing is to begin at the south and proceed to the north. All phases are anticipated to be complete in 3 to 5 years. Construction of the first phase (south of the main drainage ditch) will possibly begin in late 2006. For each phase, the erosion control measures and storm water ponds will be constructed first to provide sediment control during construction. Grading of the streets and home sites will follow. Utility construction will be next, followed by street construction. Turf establishment and infiltration areas will be installed as grading and street construction are completed. The construction activities sequence will be in accordance with that specified in the particular phase's Storm Water Pollution Prevention Plan (SWPPP). Environmental Assessment Worksheet Nature's Refuge Conservation Development Lino Lakes, Anoka County, Minnesota Draft Document — September 25, 2006 Page 4 Construction Actions Because of the high water table on the site, grade will be raised over much of the build area, requiring imported fill of 392,000 cubic yards and excavation of 97,000 cubic yards. Other excavation will be required for other earthwork, utility installation, and street grading. Equipment to be used will consist of conventional earthwork equipment, including on- and off-road trucks, backhoes, scrapers, compactors, track dozers, and graders typical of activities such as timber removal, transport of fill material, grading, utility installations, and street improvements. Connections to City sewer and water will be made at Main Street and will be extended into the property to serve it up to Pine Street. A lift station will be required in the area north of Phase I. Erosion Control A SWPPP (Storm Water Pollution Prevention Plan) will be prepared to clearly state all required erosion control practices. As noted above, silt fences will be placed before any earthwork begins. Proper grading techniques will be used in the construction of the site. Best Management Practices will be employed during the construction of the lots, roadways, and sedimentation ponds. Prompt seeding and mulching of completed areas will restore protective turf as soon as possible. These protective measures will be monitored and maintained until final completion of all construction activities. Easements and Outlots Drainage and utility easements will be provided along all lot lines. Outlots will be created for sedimentation ponds and the majority of wetlands. Conservation easements will cover the conservation areas described below. Right -of -Way and Streets Public street rights -of -way will be 50 feet wide and will create approximately 18.5 acres of right -of -way area. Approximately 16,300 lineal feet of curbed, paved streets will be constructed. The street pavements will be constructed 28 feet wide (face -of -curb to face -of- curb), using ribbon curb in many places to reduce stormwater runoff and increase infiltration. The pavement section will be built to City of Lino Lakes standards and will lie within the right -of -way. Drainage The project will be built to handle all stormwater on -site using rain gardens, swales, and storm drains to retention ponds, preventing excess discharge to wetlands. The goal will be to cause no net change to existing drainage patterns in remaining wetlands. Wetland Impacts Out of 28 delineated wetlands on the site covering 93.3 acres, seventeen jurisdictional wetlands will be impacted either partially or entirely, resulting in the fill of 7.5 acres of jurisdictional wetland. Impacts will include complete fill of entire wetlands, small areas of fill at the edges of wetlands, and footings for constructed boardwalk crossings for pedestrian trails. Mitigation will be part of the restoration and management plan in the conservation area. Conservation development phases: Approximately 1550 acres (including the —17.6 -acre public parcel) will be set aside as a conservation area (CA). No construction activity will occur in these areas, except trail and boardwalk construction where the planned trails will cross the CA. The entire CA acreage will be placed under a conservation easement at the beginning of the project. Following that, it will be subject to an active restoration and management regime. The restoration tasks and timelines will be designed to correspond with the ecological requirements of the proposed conservation area, and the natural communities, flora, fauna, and rare species existing within. The systems to be restored are diverse fire - dependent herbaceous systems, and restoration and management approaches will be designed to re- establish a more natural disturbance regime (i.e. prescribed fire), reduce encroachment of woody species, manage exotic and invasive species, and promote the proliferation of diverse herbaceous systems and rare native plant species. The plan will be designed to: adequately document existing pre - restoration conditions, monitor improvements to the natural systems as a result of restoration and management implementation, and justify the allocation of wetland mitigation credits with sufficient monitoring data upon successful implementation of the restoration and management plan. Environmental Assessment Worksheet Nature's Refuge Conservation Development Lino Lakes, Anoka County, Minnesota Draft Document — September 25, 2006 Page 5 The restoration and management plan will take into account economic variables and constraints, and incorporate cost - effective restoration strategies which invest significant economic resources in the early stages of the plan, and transition to minor investments in the long -term. The restoration and management plan for the conservation areas will be implemented in three phases. The initial phase will occur from Year 1 to Year 3, and will involve: 1) pre - restoration survey to determine baseline vegetation conditions; 2) intensive methods of vegetative restoration, such as tree and brush cutting, herbicide application, mowing, soil scarification, soil- surface scraping, and prescribed burning; 3) collection and distribution of native plant seeds; 4) establishment of permanent monitoring plots; and 5) placement of hydrologic monitoring wells. Most work will be conducted manually, but cutting and removal of woody vegetation, mowing, scarification and scraping will be done with Bobcat track machines, chainsaws and brush cutters. The second phase will involve the same types of activities as the first phase, except that removal of woody vegetation and soil- disturbing activities should no longer be necessary. In general, restoration activities will decrease in frequency and number over time, as the community becomes more progressively restored to a desirable condition. Hydrological and botanical monitoring will be maintained at a consistent level from project start through the fifth year. The third phase will be the long -term maintenance /preservation phase. Management activities during this phase will be similar to those conducted in the previous phase, but only on occasion, as needed to ensure the long -term preservation of the natural resource values of the conservation areas. . Explain the project purpose; if the project will be carried out by a governmental unit, explain the. need for the project and identify its beneficiaries. The purpose of the project is to provide new housing capacity in the city of Lino Lakes, while simultaneously ensuring long -term management and protection of valuable natural assets. d. Are future stages of this development, including development on any outlots, planned or likely to happei YesX No.' this project a subsequent;: earlier project? Yes X' No Project magnitude data Total project acreage 232.08 (plus restoration within a 17.6 - acre city park, which totals 249.7 acres Number ofresidential units: Unattached 278 Attached maximum units per bui ddin" Commercial, industrial or institutional building area (gross floor space): total square feet T4dicrate areas .ofpeciiic uses "m scare Manufacturing Other industrial Institutional Agricultural es, compare to heights of nearby buildings' Permits and approvals required. List all known local, state and federal permits, approvals and financial assistance for the project. Include modifications of any existing permits, governmental review of plans and all direct and indirect forms of public financial assistance "including bond guarantees, Tax Increment Financing and infrastructure. Land use. Describe current and recent past land use and development on the site and on adjacent lands. Discuss project 'compatibility with adjacent and nearby land uses. Indicate whether any potential conflicts involve environmental matters. Identify any potential environmental °hazards due to past site uses, such as soil contamination or.abandoned storage tanks, or proximity to nearby 11azardous'Iiquid or gas pipelines. Environmental Assessment Worksheet Nature's Refuge Conservation Development Lino Lakes, Anoka County, Minnesota Draft Document — September 25, 2006 Page 6 Unit of Government Anoka County Board of Water and Soil Resources City of Lino Lakes City of Lino Lakes City of Lino Lakes City of Lino Lakes City of Lino Lakes FEMA MN Pollution Control Agency MN Department of Health MN Pollution Control Agency MN Dept of Natural Resources MN Dept of Natural Resources Rice Creek Watershed District Rice Creek Watershed District US Army Corps of Engineers Metropolitan Council Forest Lake School District 831 Type of Application Access Permit ENRV - status approval memo Rezoning Preliminary Plat MUSA Allocation Final Plat Engineering Plan Approval Letter of Map Amendment or Revision Storm Water Permit (NPDES) Watermain Extension Permit Sanitary Sewer Extension Permit Threatened and Endangered Species Temporary Water Appropriations Permit Wetland Conservation Act Permit Land Development Permit Section 404 Wetland Permit Sanitary Sewer Extension Approval Design of Combined Access Status Future Application Future Application Future Application Future Application Future Application Future Application Future Application Future Application Future Application Future Application Future Application Future Application Future Application Future Application Future Application Future Application Future Application Pending Discussions The site consists of oak and aspen second - growth forests, planted pines, fallow agricultural fields, and wetlands of varying type and ecological quality. Forest occupies the northern half of the site; treeless prairie /oldfield occupies the south, and wetlands are dispersed throughout. The oak forests are fairly mature, with many large trees, snags, and fallen dead wood. The aspen forest includes many mature trees, and aspen encroachment on wetland edges. Open areas include oldfield/prairie- remnants in the central and southernmost portions, and an adjacent recent clear - cut occupying much of the southwest portion on either side of the main drainage ditch (described below). Much of the eastern/southeastem portion is a complex of contiguous wetland communities grouped as a single wetland according to the wetland delineation prepared for the project. This complex, plus several others of the 28 delineated wetlands, contain rare plant species (see Figure 3 for map of wetland locations and rare species locations; the large complex is "Wetland 7 "). The entire site was a farm many decades ago, as evidenced by historic photographs and several shallow drainage ditches connecting a few of the wetlands to Wetland 7. A deeper drainage ditch in the southwestern part of the site leads from Wetland 7 straight west to the site boundary, where it continues and connects to the ditch system that ultimately leads to Marshan Lake. The duration of agricultural usage is not known, but aerial photographs indicate that the most of the property was treeless and tilled until at least the 1930s. The irregularly- shaped central portion of old- field/prairie, and the southernmost part near Main Street, remain treeless today, indicating probable recent human use such as agriculture and/or homestead. Other recent land use includes clear - cutting in the southwestern corner, so that portion of the site is now a highly disturbed recovering grassland with much bare soil. Also, two buried - pipeline rights -of -way diagonally traverse the northern portion of the property. The site shows signs of unauthorized recreational use, including some fairly well- established ATV trails, plus camping and hiking. Environmental Assessment Worksheet Nature's Refuge Conservation Development Lino Lakes, Anoka County, Minnesota Draft Document — September 25, 2006 Page 7 Lino Lakes, a formerly rural town, has undergone a transition from being a small town in an agricultural area to being a suburb in the Twin Cities Greater Metropolitan Area. Thus, the site is surrounded by residential neighborhoods with interspersed wetlands and forest. The surroundings are, like the site, former agricultural land. The more open, rural character is now only evident in the area immediately northwest of the site, where there a few larger, partly forested properties with few buildings. The majority of the surrounding land consists of residential neighborhoods of moderate densities. Thus, the proposed development will bring the site into a condition more consistent with its current surroundings, while providing a conservation area located among the existing neighborhoods. Some forest and wetland patches on site are contiguous with small off -site patches, so some on -site impacts may extend to off -site areas, but these are expected to be minor The project site is guided for Low Density, Sewered Residential and Park land uses, and is zoned Residential and Rural. Most of the site is within the Metropolitan Urban Service Area (MUSA), including a previously platted (but never built) area in the northeastern portion of the site. Thus, the project will not conflict with existing land use or plans. The only known environmental hazards from previous land use are the two buried pipelines in the northern portion of the site. 10. Cover types. development: NOTE: Estimates Estimate the acreage of site with each of the following cover types before and ` after include the 17.6 -acre public parce Before Types 1 -8 wetlands 93.3 Wooded/forest 91.4 85.8 40.4 Brush/Grassland 65.0 ! 21.4 0 Cropland 0 Lawn/landscaping Impervious surfaces Other Before 0 0 After 79.6 22.5 0 249.7`., 249.7 11. Fish, wildlife and ecologically sensitive resources' a. Identify fish and wildlife resources and habitats on or near the site and describe how they would be affected' by the nroiect. Describe anv measures to be taken to minimize or avoid impacts. Existing Resources The predominant habitat types on the site are oak forest, aspen forest, a limited area of planted pine forest, oldfield, and a complex of wetlands. Two mowed pipeline rights -of -way, plus the recently cleared southern portion of the property, provide very poor habitat value, although some animals (e.g. deer) may benefit from the forest -edge habitat provided by these areas. The project site includes approximately 91 acres of forest ( -37% of site). The forest areas consist of second - growth deciduous trees of various ages and a limited area of even -aged, planted conifers. Oak — dominant and aspen - dominant stands are distinct. Maples, birch, ash, and elm are also common throughout the site. The forest is fairly mature, with many larger trees, an open understory, and moderately abundant standing dead timber (snags). The forest floor has abundant fallen dead wood and a moderately thick litter layer. This maturing condition with somewhat diverse microhabitats could support a fairly good diversity of forest animals, (although the setting of the site within a residential area within the City constrains potential wildlife species using the site to those that are fairly well adapted to human activity and living environments). The snags provide good potential habitat for raptors, woodpeckers, and cavity- nesting birds and mammals, while fallen timber can provide critical shelter for salamanders, snakes, small mammals, and many invertebrates. The understory shrubs, including dogwoods, European buckthorn (invasive exotic), spiraea, and hazel, occur in patches among more open- forest conditions. This provides perching habitat and shelter for forest birds, while allowing open flyways and sightlines through the forest. Small canopy openings (due to tree -fall) are not very common, but 23 of the site's wetlands are at least partly within the forested area, providing canopy openings and dense herbaceous ground cover within and surrounding the Environmental Assessment Worksheet Nature's Refuge Conservation Development Lino Lakes, Anoka County, Minnesota Draft Document — September 25, 2006 Page 8 wetlands. The forest is also traversed by the buried pipeline rights -of -way (50' -60' wide) noted above. This likely hinders movement by smaller forest animals, effectively separating the northeast and northwest corners from the central forest expanse. The separation is not complete, and only is likely to affect some small, less - mobile, forest - obligate vertebrates and some invertebrates (e.g. snails). At the same time, the rights -of -way act as corridors for edge - loving species (e.g. deer and edge - nesting birds), and hunting/scavenging larger mammals (e.g. foxes), which may include nest predators (e.g. raccoons) and brood parasites (e.g. brown- headed cowbird) that can disrupt hinder reproduction in forest - nesting birds. Conversely, the east -west drainage ditch in the southwestern portion of the property, with its forested buffer, provides a corridor through the logged area for more secretive forest - obligate species. This corridor connects the large wetland complex ( "Wetland 7 ", see Figure 3) with the forest/wetland/residential area to the west of the site boundary. In general, the interspersion of habitat patches and attributes provides good habitat diversity and contributes positively to the general habitat quality of the forest. There is a large non - forested upland in the southwestern portion of the site. This area actually consists of three zones with different communities and land -use histories. All have been physically manipulated in the past and are exposed to some human activity at present (Main Street traffic, the elementary school, the two homesteads at the south property boundary and unauthorized recreational activity). The southernmost portion of the open area, surrounding Wetland 25, is a fallow field containing early- successional oldfield plant species. Just north of this zone is a recently logged zone surrounding Wetlands 21, 23, and 24, plus about half of Wetland 30 and a portion of the edge of Wetland 7. All trees and shrubs were removed from this area stretching northward to Wetland 30, excluding the above - mentioned wooded buffer strip along the main drainage ditch. The logged area is now a newly recovering expanse of bare, disturbed soil and weedy pioneer and invasive species Immediately north of the logged area is an open grassland that may have been farmed in the past. It is covered by various later - successional oldfield plant species. These non - forested areas provide habitats that range from poor to moderate. Only the northernmost (north of the ditch) part has enough positive attributes (full, complex vegetative cover, embedded wetlands, proximity to forest, and sufficient distance from human activity to be considered moderately good grassland habitat. However, the presence of wetland basins south of the ditch enhances the habitat quality in that disturbed area. The project site includes 93 acres of delineated wetland area, consisting of rich fen, poor fen, sedge meadow, wet meadow, aspen and hardwood swamp, and shallow marsh (Types 1, 2, 3, and 7). The most common community is wet meadow with relatively low vegetative diversity and quality, being dominated by reed canary grass and encroaching quaking aspen. Several wetland communities include or are dominated by two or three sedge species (i.e. Carex stricta, C. lasiocarpa, C. lacustris), and several include one or more state- listed rare species. Despite the relatively low vegetative diversity, the wetlands provide medium to high quality wildlife habitat according to the Minnesota Routine Assessment Method (MnRAM) because they are well distributed in a vegetated/wooded upland matrix and most have wide, minimally disturbed buffers. A few wetlands have medium to high quality habitat structure, with multiple plant communities and complex vertical structure (open water, emergent herbaceous, shrub, and tree layers). Wetland 7 is distinct from the others because it is a large wetland complex consisting of many different community/habitat patches. Half of the wetlands on the property provide amphibian breeding habitat of high to medium quality (except Wetland 7 which is rated as having "Low" amphibian habitat quality because of a possibility of predatory fish gaining access to it via the drainage ditch — see below). A few wetlands (Wetlands 3, 4, 6, 7, 30) provide habitat potential for small fish (especially hypoxia - tolerant species e.g. mudminnow, fathead minnow) because they are interconnected by drainage ditches and the whole complex is connected to Marshan Lake through the drainage ditch system. However, only Wetland 7 is likely to have any exposure to somewhat larger piscivorous fish at any time, if ever, because it is the only one directly drained by the main ditch, and it has the largest and deepest inundated areas. Even so, it is unlikely that any fish larger than minnows would be able to overwinter in the wetland. Wildlife (or evidence thereof) observed within the project boundaries during site visits include deer (antler, abundant tracks), squirrels, raccoon (tracks), chorus frogs (calling in almost all inundated wetlands in April), garter snake, wild turkey, various songbirds (American goldfinch, American robin), ground- nesting marsh birds, abundant green darner dragonflies. In previous years, sandhill cranes have been observed on the site. There is one DNR- documented on -site occurrence of a state - threatened species, Blanding's turtle. The record is from 1992, but the site provides ample suitable habitat for the species, and it is within a region where the species is fairly common Environmental Assessment Worksheet Nature's Refuge Conservation Development Lino Lakes, Anoka County, Minnesota Draft Document — September 25, 2006 Page 9 Impacts Implementation of the project would result in a 56% reduction of forest area, an 8% reduction of wetland area as a result of filling, and a 66% reduction of grassland habitats (see table in Question 10 above). Further, a considerable portion of remaining wildlife habitat boundary would be adjacent to the built areas of the development. This would expose these boundary areas to risk of adverse impacts both during the construction phase and post - construction. Construction -phase risks would include: 1) sediment transport from exposed soil surfaces into wetlands via water and wind; 2) accidental spills (motor oil, chemicals); 3) damage from nearby use of heavy equipment; 4) high construction- related noise levels disturbing wildlife. Sediment barriers and other Best Management Practices for construction would be used to minimize these impacts. Post - construction risks could include: 1) lawn chemical runoff from residential lots into wetlands; 2) road salt, petroleum products, and other contaminant runoff from new streets into wetlands; 3) increased human access to wetlands causing wildlife disturbance, litter, vegetation damage, and soil compaction. It is expected that project drainage design would minimize or prevent the first two of these risks (surface -runoff related). The risks resulting from increased human activity in the area would be ongoing. It may be partly mitigated by the presence of the proposed new trails along the edges of the conservation area, which would tend to constrain human activity to the trail and its immediate borders. Further, it is expected that by designating the wetlands as conservation areas, unauthorized recreational uses may be reduced. Long -term negative impacts to habitat quality would include permanent loss of interior forest habitat, fragmentation of remaining forest, and new wildlife barriers hindering wildlife movement among habitat patches. There would also be a net loss of wetland and grassland acreage. Expected long -term positive impacts are a primary goal of the project. Habitat value of preserved wetland and upland areas would accrue over time as the conservation areas are restored and managed. More than half of the property would be designated as conservation area (wetland and upland), placed under conservation easement, restored using active restoration methods, and managed in perpetuity. Thus, the remaining wetland habitats would become higher- quality wildlife habitat than they are at present. Negative impacts to uplands would be partly mitigated by the improvements resulting from restoration and conservation. In the absence of the project's restoration and management plan, these wetlands can be expected to continue to degrade as unregulated ATV -use within them continues, and as woody plant species continue to encroach, converting wet meadows to shrub swamps and aspen swamps dominated by invasive plant species. b. Are any state-listed (endangered, threatened or special concern) species, rare plant communities or other sensitive ecological resources such as native prairie habitat, colonial waterbird nesting colonies or regionally rare plant communities on or near the site? X Yes _ No If yes, describe the resource and how it would be affected by the project. Indicate if .a site survey of the resources has been conducted and describe the results. If the DNR Natural Heritage and Nongame Research program has been contacted give the correspondence reference number: ERDB 20060543. Describe measures to minimise or avoid adverse impacts. Five Minnesota state- listed vascular plant species occur in the wetland portions of the site. These include one state - endangered species (cross -leaf milkwort, Polygala cruciata), two state - threatened species (tooth -cup, Rotala ramosior; lance- leaved violet, Viola lanceolata), and two state - special - concern species (autumn sedge, Fimbristylis autumnalis; Clinton's bulrush, Scirpus clintonii). Of these five, Viola lanceolata is the most common and widespread on the site, thus it would be exposed to the greatest impact. Polygala cruciata, on the other hand, is the least common, having only been found in one location. The site was thoroughly surveyed, and all locations of these species were recorded using sub -meter accuracy GPS technology, mapped (see Aerial photo showing all wetland boundaries and rare plant locations, Figure 3), and reported to the DNR. These plants thrive in areas exposed to Environmental Assessment Worksheet Nature's Refuge Conservation Development Lino Lakes, Anoka County, Minnesota Draft Document – September 25, 2006 Page 10 intermediate levels of physical disturbance, and at present they can be found growing in and adjacent to ATV trails in the wetlands. The project proposes to use more natural means of disturbance (e.g. prescribed burning) to encourage these species. The project was designed to minimize impact to these listed species, while restoring and conserving their habitat in perpetuity. The areas planned for residential construction were selected to avoid direct impacts to the large majority of known locations of listed species on site. A minority of identified locations of Viola lanceolata, and a smaller number of Fimbristylis autumnalis and Scirpus clintonii locations, occur within the proposed construction zone, requiring a DNR permit for taking these plants. Thus, these locations would be lost as habitat for these listed species. However, this loss would be mitigated by the creation of a wetland conservation area that would include most identified locations of these species, improve their habitat, and protect them in perpetuity. Under present conditions, it can be expected that these species' habitat would continue to degrade as invasive woody and herbaceous species continue to encroach on the wetlands, and as uncontrolled human use continues. The DNR Natural Heritage Database records one 1992 sighting of Blanding' s turtle (Emydoidea blandingii) in Wetland 7 (see Minnesota DNR Natural Heritage Database review letter, Attachment A). Other sightings of this species are not uncommon in the region. In fact, at a public hearing on this project a resident reported a recent sighting on or near the project site. This species requires both wetland and upland habitats. Seasonal wetlands can be good feeding habitat, but deeper basins with year -round surface water are habitat requirements. Thus, Wetlands 3 and 7 are the most important likely Blanding's turtles habitats on the site. Equally important is the upland surrounding these wetlands, as this species lays eggs in sandy, vegetated upland areas adjacent to their usual wetland habitats. Blanding's turtles frequently migrate overland between wetlands and nesting areas, and from wetland to wetland, placing them at considerable risk when crossing roads. The proposed project would not likely adversely affect wetland habitat for Blanding's turtles, but it could create additional risks to turtles moving overland because it would place roads and other human habitats in close proximity to Wetlands 7 and 3. Mitigation of these risks would include the conservation and improvement of upland areas surrounding these wetlands and buffering them from the build area. Also, the use of ribbon curbs will prevent turtles from becoming trapped on roads by high curbs. Nonetheless, the reduction of nesting habitat would restrict turtle nests to a fairly narrow zone near built areas, possibly making them more vulnerable to nest predators, such as raccoons, that can be favored by human activity. As recommended by the DNR, residents of the new subdivision would be informed via signage and flyers of the importance of avoiding impacts to Blanding' s turtles and their habitats. 12. Physical impacts on water resources. Will the project involve ' the physical or hydrologic alteration —` dredging, filling, stream diversion, outfall structure, diking, and impoundment — of any surface waters such as a lake, pond, wetland, stream or drainage ditch? X Yes _No If yes, identify water resource affected and give the )NR Protected Waters Inventory numbers) if the water resources affected are on the PWI: N/A . Describe alternatives considered and proposed mitigation measures to minimise impacts. The existing drainage area was estimated based upon the 2 ft contours supplied by the City of Lino Lakes as developed by Markhurd and Associates. This was based upon a flight and ground survey performed in the fall of 2005. In addition, available site specific survey information from E.G. Rudd was used to supplement this information to determine internal drainage boundaries and selected aerial photographs and the Anoka County soils map were reviewed. There are no MN DNR Protected Waters Wetlands on the property. The general landscape drainage is to the southeast, but most of the site is actually drained through constructed drainage ditches that connect several wetlands and lead westward past the west site boundary into the ditch system that turns southward and eventually southeastward to Marshan Lake. Pre- Settlement Conditions The site is the headwater of the watershed within the Anoka Sandplain. Unlike many other headwaters, this drainage is dominated by a groundwater system, is very flat, and lacks a naturally formed drainage network. The Environmental Assessment Worksheet Nature's Refuge Conservation Development Lino Lakes, Anoka County, Minnesota Draft Document — September 25, 2006 Page 11 pre - settlement conditions likely did not include a surficial outlet from the area and the system developed over time as a series of landlocked basins. Historic Anthropogenic Impacts Activity at the site that has impacted the site and contributing watershed hydrology includes: • clearing / timber harvest • development including roadway networks, school, residential, commercial • agricultural activity • development of an outlet ditch from the large wetland complex and a large wetland within the site • construction of downstream ditch crossings (by others) • fire suppression (which modifies the vegetative cover) • internal unpaved roadway and all- terrain vehicle (ATV) trails Historic aerial photos indicate the wetland complexes were cut for hay in the late 1930's and all but small patches in the northeastern 80 -acre parcel were deforested for agriculture. Much of the area has reforested naturally and some areas have been planted. The majority of the southwestern 80 -acre parcel was cleared in the last 5 years by the previous owner. There is no known internal tiling or subsurface drainage network on the site. Existing Conditions Drainage Area - The existing landform is very flat. The large wetland complex is enclosed by a 904 contour at approximately 52 acres. However, the 906 contour does not close anywhere in the vicinity and loops north of Pine Street, south of Main Street and west of Wood Duck Trail. It appears to extend over a square mile. In addition, it appears there are two surficial outlets to the system. Specifically, to the southwest via the private ditch and overland to the west and eventually to the judicial ditch system CD #10- 22 -32. The site is shown to be partially within subwatersheds MRC1 and MRCS as defined by the Rice Creek Watershed District. However, review of the recently available 2 ft contour data indicates there is significant opportunity for interbasin transfer and a very subtle overland drainage divide. As previously described local infiltration is a significant component of the surficial stormwater drainage the area. Based upon this understanding, the following conclusions have been made: • A conventional stage- storage routing of stormwater discharge is a relatively academic exercise based upon the existing topography and watershed characteristics • A planning flood elevation for the large wetland complex has been developed for the RCWD and the City of Lino Lakes. However, this elevation must be considered within the context of the assumptions and method limitations. The incremental impact analysis is not considered a regulatory elevation, but rather presented for information and general planning purposes only. The regulatory flood level will need to be revised and established based on the grading plan for the project. • It is considered very unlikely that the flood elevation of any of these basins would reach 906. • Based upon the characteristics of the watershed and the basin, it is considered that the proposed development activity will not raise the regional flood elevation. Proposed Conditions: The project will include alterations to surface water features on the property including the filling of wetlands and the construction of a new roadway crossing of the outlet ditch. The general objectives of the stormwater management for the site have been identified as follows General Project Objectives: • Enhance the wetland community that will sustain the threatened and endangered vegetation / retain function of natural system • Maintain existing hydrologic regime as much as practicable • Maintain physical context of wetland complex • Maintain existing biochemical environment for threatened and endangered species as much as practicable. 13. Water use. Will the project involve installation or abandonment of any water wells, connection to or changes in public water supply or appropriation of any ground or surface water (including dewatering)? X Yes " No Environmental Assessment Worksheet Nature's Refuge Conservation Development Lino Lakes, Anoka County, Minnesota Draft Document — September 25, 2006 Page 12 General project approaches have been utilized to meet these objectives and include: • Develop understanding of local water table system, collecting data regarding existing water table elevations, soil properties, and surficial hydrology. • Develop a hydrologic model to evaluate existing and proposed conditions. • Control the source of pollutants and develop facilities that will treat the surface runoff prior to entering sensitive areas. • Distribute (as opposed to centralizing) runoff and providing storage and treatment near the source. Among the design elements considered will be micro - grading lots, retention of buffers, maximizing overland flow routes, minimizing grading limits, construction of treatment systems, examination of lot sizes and locations. Specific project design elements include: • A revised roadway section that eliminates conventional curbing and allows sheet flow into an open swale that will provide infiltration and treatment of stormwater • Small sedimentation basins to provide additional treatment prior to discharge to constructed "rain gardens" • Infiltration basins and stormwater ponds within the property limits • Construction staging and control to minimize impact to local infiltration capacities especially at areas of identified treatment facilities. The new roadway crossing at the outlet of the large wetland complex will be constructed to allow adaptive management options such as potential drawdown to accommodate burning activity and/or mimic drought conditions or react to changes in the hydrologic regime. The peak discharge rates to downstream will be consistent with RCWD requirements. Placement of the control structure and subsequent adjustments to water level will follow all permitting requirements of the Rice Creek Watershed District and other authorities. An element of the process for reviewing the wetland mitigation plan for the project will include determining the public agency that will have responsibility for management of the control structure and water level. If yes, as applicable, give location and purpose of any new wells; public supply affected, changes to be made, and water quantities to be used the source, duration, quantity and purpose of any appropriations; and unique well numbers and DNR appropriation permit numbers, if known. Identify any existing and new wells on the site map. If there are no wells known on site, explain methodology used to determine. There are no known project wells on the site. Any wells discovered during construction will be sealed by a licensed well contractor in accordance with Minnesota Rules Chapter 4725. If required for construction, dewatering will be performed in accordance with a permit obtained from the Minnesota DNR. A temporary water appropriations permit will likely be needed for the excavation of material for the development of ponding areas and as a local borrow site. Eleven (11) piezometers have been installed on the site in April 2006. A data logger has been installed on one piezometer and on the ditch outlet to measure water level fluctuations. The other wells have been read periodically and show a general gradient to the south. Local groundwater has fluctuated over a foot to date in some of the piezometers. These piezometers can be potentially maintained as practicable to monitor the impact of dewatering activities as part of the Mn/DNR Appropriations Permit process. The project will connect to previously constructed municipal watermains, so the 278 expected new homes, would draw water from the City water supply. Thus, assuming usage of 275 gallons per residential unit per day, the project will ultimately require an estimated 76,450 gallons of water per day when all the planned homes are constructed and occupied. Environmental Assessment Worksheet Nature's Refuge Conservation Development Lino Lakes, Anoka County, Minnesota Draft Document — September 25, 2006 Page 13 4_ Water - related land use management district. Does any part of the project involve a shorelan d zoning district, a delineated 100 -year flood plaint or a state or federally designated wild or scenic river land use district? X Yes No If yes, identify the district and discuss project compatibility with district land use restrictions. A portion of the property includes an area with a surface flood hazard area (SFHA) identified as an approximate study area (Unnumbered A Zone) that does not have a previously determined base flood elevation (BFE). The Rice Creek Watershed District has done a study of the regional drainage system, but the basin within the property was not included in that study. The City has not performed a detailed hydrologic study of the basin. The property is not part of a wild or scenic land use district and not within a shoreland overlay district. According to the FEMA Flood Insurance Rate Map, a portion of the site surrounding the main drainage ditch and Wetland 7 is within the 100 -year flood plain surrounding the main east -west drainage ditch. The project is designed to minimize impacts within the floodplain. The only proposed construction within the floodplain are: 1) one street and two pedestrian trails will cross the floodplain and ditch, and 2) the rear portions of 8 lots will lie within the floodplain boundary. The project will necessitate changes to the flood plain boundary. Flood elevation will be established based on the final grading plan for the project. Any floodplain fill proposed will be compensated for. Building and temporary equipment - storage elevations will be determined based on the new floodplain contour. It is probable that the FEMA map will need to revised (Letter of Map Revision or LOMR) or amended (Letter of Map Amendment or LOMA). 15. Water surface use. Will the project change the number or type of watercraft on any water br If yes, indicate the current and projected watercraft usage and discuss any potential overcrow with other uses. There are no navigable water bodies on the project site, and none will be created by the project. 16. Erosion and sedimentation. Give the acreage to be graded or excavated and the cubic yards of soil to be moved. Describe any steep slopes or highly erodible soils and identify them on the site map. Describe any erosion and sedimentation control measures to be used during and after project construction. The estimated area to be graded is approximately 100 acres. Because of the high water table in the upland portions of the site, grade in the build area will be raised 4 to 6 feet to ensure that building elevations are high enough to avoid water - table- related problems. Thus, an estimated 392,000 cubic yards of imported fill material and an estimated 97,000 cubic yards of on -site excavation and fill will be needed. The majority of the material will not be excavated on -site because most non -build portions of the site will be designated as conservation areas and placed under a conservation easement. Excavation of such areas would be counterproductive in view of the long -term restoration goals for the site. Thus, most fill material will be trucked in from off -site sources. There are no existing steep slopes or highly erodible soils on the site. With the exception of street embankments at the proposed wetland impacts and storm water pond banks, no steep slopes will be constructed on the site. Erosion and sedimentation control measures will follow the Storm Water Pollution Prevention Plan (SWPPP) to be developed for the site. The SWPPP will include the incorporation of Best Management Practices (BMPs) as prescribed by the MPCA and required by the City of Lino Lakes and Rice Creek Watershed District. The granular nature of the soils in the Anoka County area has created issues with wind erosion from construction sites. These problems generally occur when there is a combination of unfavorable conditions that include large areas of exposed soil, hot, dry, windy weather, and improper construction practices such as insufficient silt fence, insufficient dust Environmental Assessment Worksheet Nature's Refuge Conservation Development Lino Lakes, Anoka County, Minnesota Draft Document — September 25, 2006 Page 14 control measures for construction traffic, and lack of phased turf establishment. BMPs to reduce the potential for wind erosion during construction will be implemented. Water erosion will also be controlled through BMPs, including prompt turf re- establishment on graded areas (de- compacting, mulching, and seeding), and reduction of sediment transport by using silt fences, ditch checks, stone exit pads, and storm sewer inlet protection. The project will be constructed in phases and the aerial extent of exposed grading will be minimized. Infiltration facilities will be protected during the construction phase to ensure they are not compacted by construction activities that will decrease the infiltration capacity or filled with local sediment runoff during the construction phase. 17. Water quality: surface water runoff a. Compare the quantity and quality of site runoff before and after the project. Describe permanent contro manage or treat runoff Describe any stormwater pollution prevention plans. The effects of residential land use on the groundwater quality in the Anoka Sand Plain is described in USGS Water Resources Investigations Report 93 -4074 entitled "Effects of Agricultural and Residential Land Use on Ground - Water Quality, Anoka Sand Plain Aquifer, East Central Minnesota ". This report shows that conversion to residential land use has a tendency to increase chloride, sodium, hardness (CaCO3) and other constituents. In addition, phosphorus is considered a pollutant of concern and is generally associated with lawn care. Source control Since the development will be connected to city sewer systems much of the impact will be reduced and the sources will be from `non - point' sources. The development will require zero - phosphorus fertilizer be applied for established lawns and will be administered through homeowner covenants. Treatment Treatment of stormwater will focus on treatment near the source that will increase the amount of infiltration and contact with the soil medium prior to discharge to downstream resources. The use of ribbon curb in selected areas will allow drainage from paved surfaces into open swales. Drainage into swales, rain gardens, and sedimentation basins will treat the stormwater prior to discharge to the large wetland complex and downstream resources. The use of rain barrels to capture and treat rooftop runoff will be encouraged throughout the development. Infiltration areas will be designed and installed in accordance with the MPCA requirements in Permit No. R100001. Skimming measures will be used to protect downstream water quality. If runoff modeling so indicates, rate control measures will be used in the ditch outlets to limit the post - development runoff rates to that of the pre - development conditions. Conversely, the site grading and pond discharge structures will be designed such that the post - development runoff rates do not decrease the runoff supplied to the wetlands. The treated runoff will be released to the existing wetlands to minimize the potential of adversely affecting the value and function of these wildlife resources. The rain gardens will serve primarily to meet water quality requirements as well as provide some rate control. The ponds will be designed primarily to provide rate control and temporary storage for a 100 -year storm event. Water quality will also be protected by these ponds and the above - mentioned skimming measures. b. Identify routes and receiving water bodies for runoff from the site; include major downstream water bodies as well as the immediate receiving waters. Estimate impact runoff on the quality of receiving waters. As described above in Section 12, the landscape generally drains toward the southeast, but the site drains through the county ditch system that routes stormwater off -site to the west, and ultimately to Marshan Lake about two miles south - southwest of the project site. The focus of the stormwater management plan will be to sustain the ecological function of the large wetland complex contained within the site. The implementation of the stormwater treatment systems described herein will minimize the impact to downstream resources. Thus, the overall quantity of runoff is estimated to remain approximately the same as a result of the design of the project's runoff and infiltration system. 18. Water quality: wastewaters a. Describe sources, composition and quantities of all sanitary, municipal and industrial wastewater produced or treated at the site. c. Describe the soils on the site, giving NRCS (SCS) classifications, if known. Discuss soil granularity and potential for groundwater contamination from wastes or chemicals spread or spilled onto the soils. Discuss any mitigation measures to prevent such contamination. Environmental Assessment Worksheet Nature's Refuge Conservation Development Lino Lakes, Anoka County, Minnesota Draft Document — September 25, 2006 Page 15 The wastewater generated will be domestic strength sewage from the homes on the site. Assuming usage of 275 gallons per residential unit per day, the project will ultimately generate 76,450 gallons of wastewater per day. b. Describe waste treatment methods or pollution prevention efforts and give estimates of composition after treatment. Identify receiving waters, including major downstream water bodies, and estimate the discharge impact on the quality of receiving waters. If the project involves on -site sewage systems, discuss the suitability of site conditions for such systems. The project will be served by municipal sewer mains installed along the centerline of the proposed streets. These mains will connect to a lift station, and sewage will be routed through existing infrastructure to be treated by the Metropolitan Council treatment plant. No individual sewage treatment systems (ISTS) would be approved by the City of Lino Lakes for the project. No on -site pre - treatment measures are proposed. c. If wastes will be discharged into a publicly owned treatment facility, identify the facility, describe any pretreatment provisions and discuss the facility's ability to handle the volume and composition of wastes, identifying any improvements necessary. The sewage from the site will be treated at the MCES Metro wastewater treatment facility located in St. Paul. There are no facility improvements needed to treat wastewater generated by the project. d. If the project requires disposal of liquid animal manure, describe disposal technique and location and discuss capacity to handle the volume and composition of manure Identify any improvements necessary. Describe any required setbacks for land disposal systems. This project does not involve liquid animal manure. 19. Geologic hazards and soil conditions a. Approximate depth (in feet) to ground water: 0 minimum 8 average to bedrock: 100 minimum 125 average b. Describe any of the following geologic site hazards to ground water and also identify them on the site map: sinkholes, shallow limestone formations or karst conditions. Describe measures to avoid or minimize environmental problems due to any of these hazards. There are no known hazards related to these geologic conditions. The Soil Survey of Anoka County identifies ten soil map units in the project site. The distribution of soil map units is fairly even throughout the site, with no particular units being predominant The soils on the site are generally sandy loams with peat in the lowest wetland areas. The following is a summary of the soils identified in the Soil Survey: 20. Solid wastes, hazardous wastes, storage tanks a. Describe types, amounts and compositions of solid or hazardous wastes, including solid animal manure, sludge and ash, produced during construction and operation. Identify method and location of disposal. For projects generating municipal solid waste, indicate if there is a source separation plan; describe how the project will be modified for recycling. If hazardous waste is generated, indicate if there is a hazardous waste minimization plan and routine hazardous waste reduction assessments Identify any toxic or hazardous materials to be used or present at the site and identify measures to be used to prevent them from contaminating groundwater If the use of toxic or hazardous materials will lead to a regulated aste, discharge or emission, discuss any alternatives considered to minimize or eliminate the waste, discharge emission. Environmental Assessment Worksheet Nature's Refuge Conservation Development Lino Lakes, Anoka County, Minnesota Draft Document — September 25, 2006 Soil Name (Symbol) Hayden Fine Sandy Loam (T) Blomford Loamy Fine Sand (N) Peat (P) Bluftom Loam & Silty Clay Loam (Bc) Hayden Fine sandy Loam (Td) Ames Fine Sandy Loam (Ys) Isanti Loamy Fine Sand (Is) Braham Loamy Fine Sand (Nu) Lino Loamy Fine Sand (L) Anoka Loamy Fine Sand (Gu) Depth to High Groundwater (ft) 6 to 10 2 to 4 0 to 1 1 to 2 6 to 10 1 to 2 0.5 to 1 2 to 4 2 to 4 3 to 5 Slopes ( %) 2 to 7 0 to 2 0 to 2 0 to 2 Ito 12 0 to 2 0 to 2 2 to 7 0 to 2 2 to 7 Page 16 The soils on the site are susceptible to groundwater contamination if significant quantities of wastes or chemicals were discharged on to the ground. The proposed residential use of the site, however, is not anticipated to generate wastes or chemicals that have the potential of contaminating the groundwater. The type of spill that could be somewhat more likely would be a spill from equipment fueling during construction. This soil, if contaminated, will be transported to a licensed hazardous waste reclamation facility. The residential development will generate normal types and amounts of solid waste. The development is not expected to generate hazardous wastes. The solid waste will be collected by private haulers and disposed in landfills. The landfills have sufficient remaining capacity to receive solid waste from this project. Recycling services, which are required by the City, are provided by private solid waste haulers in the area. Chemicals, fuel, and other petroleum -based products related to construction operations may be temporarily stored on portions of the site during the construction period. These and other toxic and hazardous materials will be removed from the site in a safe manner. Soil in the area of such materials, if significantly contaminated, will be removed and disposed of properly. Building products used for home construction will be used, stored, and disposed of properly. c. Indicate the number, location, size and use of any above or below ground tanks to store petroleum products or other materials, except water. Describe any emergency response containment plans. No above or below ground petroleum- product storage tanks are now located on the site, and none will be placed above or below ground as part of the project. Small spills from equipment fueling may occur during construction. Hydraulic oil could be discharged onto the ground if a hydraulic hose on a piece of construction equipment would fail. Equipment will be parked in designated areas during non -work hours. These areas will also be used for fueling and servicing, and will be in upland locations, away from wetlands. Impoundment dikes will be constructed to contain fuels if a spill should occur. Soil, if significantly contaminated, will be removed from the site and taken to a licensed hazardous waste reclamation facility. Environmental Assessment Worksheet Nature's Refuge Conservation Development Lino Lakes, Anoka County, Minnesota Draft Document — September 25, 2006 Page 17 21. Traffic. Parking spaces added 0 public spaces, 278 private driveways when new homes are built . Existing spaces (if project involves expansion) 0 . Estimated total average daily traffic generated 2660 vehicles . Estimated maximum peak hour traffic generated (if known,) and time of occurrence 281 (one hour between 4:00 PM and 6:00 PM), Provide an estimate of the impact on traffic congestion on affected roads and describe any traffic improvements necessary. If the project is within the Twin Cities metropolitan area, discuss its impact on the regional transportation 'System. Access to the project site would be off of Main St. (CSAH 14) and Pine St. These two roads differ greatly in their construction, function, and needs. Pine St. is a city street and currently is surfaced with aggregate. Pine St. forms the border between the Cities of Lino Lakes and Columbus (formerly Columbus Twp.). The two municipalities have discussed paving Pine St., though the issue was not resolved. The construction of the Nature's Refuge project would add a small number of vehicle trips to Pine St. Perhaps a more important issue is that Pine St. provides a second access to the new neighborhood. Pine St. should be paved. This will require cooperation between the two cities and will involve financial participation by the developer of Nature's Refuge. The specifics are yet to be worked out. Main St. (CSAH 14) access raises more complex challenges. The functional classification of CSAH 14 is principal arterial. Minimizing the number of access points is an important factor in maintaining mobility and improving safety. Anoka County, in partnership with numerous municipalities and agencies, prepared an access management study for CSAH 14 in 1999, and Lino Lakes adopted it in 2000. The study envisions a four -lane divided road with turn lanes at public intersections. Full access points are to be 1/2 mile apart (2640 ft.). Other accesses are to be planned as right in/right out accesses, with a minimum spacing between them of 880 feet (1/6 mile). The County's 2003 development standards also require spacing of mile between full accesses and 'A mile (1320 ft.) between secondary accesses, and the secondary accesses are right in/right out. The access management study designates Wood Duck Trail as a full access as well as CSAH 23 (Lake Drive). The proposed Nature's Refuge access point is approximately 1800 ft. from CSAH 23 and 1600 ft. from Wood Duck Trail. This meets the spacing criterion for a secondary access (right in/out), but not for a full access. In order to the project to utilize Wood Duck Trail for access, it would require the acquisition of right of way through an existing residential property. The developer informed City staff that he contacted those property owners and they were not interested in selling such a right of way. Lino Lakes Elementary School, east of the project site, has two driveways onto CSAH 14. The 1999 access management study labels these driveways "no change" regarding access. These driveways are full access and should remain so in order to allow access for school buses. The developer and the City want a full access to serve the Nature's Refuge project. The City is working with the school on the possibility of combining the western school access with the new street serving the development. That is, the western school driveway would be closed, and a new connection made to the new street leading into the development. This option may offer safety improvements for school buses because they would access the school site from a local road rather than directly from a busy arterial. This concept poses some challenges because, though the school site abuts the Nature's Refuge site, they are separated along CSAH 14 by a small lot of about 0.4 acres with 100 ft. of frontage. The new, combined access must be designed around this existing residential lot. School site circulation for buses and other vehicles will need to be examined to ensure efficient and safe movement. The school day starts at 9:15 am, with bus drop -off between 9:00 and 9:10 am. The school day ends at 3:30 pm, with buses departing at 3:40 pm. The peak hours for vehicle trips are 7:00 to 8:00 am, and 4:30 to 5:30 pm. The traffic study analysis concluded that combining the accesses will not cause congestion problems on the new access road for the school or for other traffic. A traffic study was completed to examine the impacts of the proposed project on the surrounding roadway network. (see Traffic Study Report, Attachment B). The following principal traffic questions are addressed in the report: Environmental Assessment Worksheet Nature's Refuge Conservation Development Lino Lakes, Anoka County, Minnesota Draft Document — September 25, 2006 Page 18 a) Is the proposed development access plan feasible and will it provide adequate traffic operations? b) Would adequate traffic operations be provided at the following intersections upon full completion of the proposed development? o CSAH 14 /CSAH 23 o CSAH 14 /4's Avenue North o CSAH 23/Pine Street o CSAH 14 /development access o Pine Street/development access To effectively address the traffic questions above, traffic forecasts were completed for the 2011 analysis year, which is one year after expected full completion of the proposed project. Capacity analyses were completed for the subject intersections under 2006 Existing, 2011 No- Build, and 2011 Build traffic scenarios. Based on the analysis presented in the traffic study, the following basic conclusions were established: • Upon full completion of the Nature's Refuge residential development, adequate traffic operations will be provided at the proposed development access locations and the following studied intersections: o CSAH 14 /4th Avenue North o CSAH 23/Pine Street o CSAH 14 /development access (if full access to project) o Pine Street/development access • Analysis indicates that the CSAH 14 /CSAH 23 intersection is currently approaching capacity and will experience excessive delays under the 2011 No -Build traffic volumes. These delays will increase upon the addition of the proposed development traffic. As described in the report, the peak hour volume signal warrant is satisfied during the AM and PM peak hours for all scenarios. Under traffic signal operation and existing geometry, the intersection will operate at LOS C or better, though some movements at the intersection would operate at LOS D. The feasibility of installing a signal should be investigated further through the completion of a full signal justification report. • The location of a new development access to CSAH 14 does not satisfy the County's current spacing requirements for a full - movement intersection. However, it does satisfy spacing requirements for the right - in/right -out operation. The option of combining it with the western school access would reduce two access points into one full access intersection. A cooperative effort between the County, City, school board, and developer is needed for this option. This will include what improvements are needed to CSAH 14, including turn lanes. • The proposed development will have the following impacts on the overall regional transportation system: • A small increase in traffic volumes on the overall system. Volume generated by this development is distributed in multiple directions and therefore will result in modest increase in any one particular area. This small increase in traffic volumes will have a small effect on the level of service at CSAH 14 /CSAH 23, but that intersection will experience unsatisfactory levels of service (LOS E) even without the additional trips generated by the development. • The option of consolidating the new project access onto CSAH 14 with the school access would result in one access (a full access city street) rather than two (the full access school driveway and one new partial access city street). This design would be a better way to pursuit the goals of the City /County CSAH 14 access management study. Environmental Assessment Worksheet Nature's Refuge Conservation Development Lino Lakes, Anoka County, Minnesota Draft Document — September 25, 2006 Page 19 22. Vehicle- related air emissions. Estimate the effect of the project's traffic generation on air quality, including carbon monoxide levels. Discuss the effect of traffic improvements or other mitigation measures on air quality impacts. Note: If the project involves 500 or more parking spaces, consult EAW Guidelines about whether a detailed air quality analysis is needed. The attached traffic analysis report indicates that the CSAH 14 /CSAH 23 intersection is currently approaching capacity and will experience excessive delays, even under a No -Build scenario. These delays will increase upon the addition of the proposed development traffic. Thus, the report recommends the placement of a traffic signal at this intersection. Assuming that the recommended traffic signal is installed, the planned transportation improvements associated with the Nature's Refuge project are expected to adequately manage the traffic demand and eliminate significant delays and congestion, the primary cause of traffic air quality impacts. If turn lanes are added to CSAH 14 (to be determined) where this project's access point is located, this will have the effect of minimizing the potential for creating concentrations of vehicle - related emissions, such as carbon monoxide. The current concentration of carbon monoxide in the immediate area is low. Concentrations are expected to be the highest at intersections with poor levels of service that cause regular vehicle idling. Additional information regarding level of service is contained in the response to Question 21 above. 23. Stationary source air emissions. Describe the type, sources, quantities and compositions of any emissions from stationary sources of air emissions such as boilers, exhaust stacks or fugitive dust sources. include any hazardous air pollutants (consult EAW Guidelines for a listing) and any greenhouse gases (such as carbon dioxide, methane, nitrous oxide) and ozone.- depleting chemicals (chloro- fluorocarbons, hydrofluorocarbons, perfluorocarbons or sulfur hexa#iuoride). Also describe any proposed pollution prevention proposed air pollution control devices. Describe the mpacts on air quality. ration techniques and This project does not involve any stationary sources of air emissions such as boilers, exhaust stacks, or fugitive dust sources. Like other single - family residential subdivisions, it is not anticipated that this project will produce hazardous air pollutants, greenhouse gases, or ozone depleting chemicals. 24. Odors, noise and dust. Will the project generate odors, noise or dust during' construction or during operation? Yes'' _No If yes, describe sources, characteristics, duration; quantities or "intensity and any proposed measures to mitigate adverse impacts. Also identify locations of nearby sensitive receptors and estimate impacts' on them. Discuss potential impacts on. human health or q»ality of life. (Note' 'fugitive dust generated by operations may be discussed at item 23 nstead ofhere.) Noise and dust will be generated at various times by construction activity. The large amount of imported fill material needed will require approximately 3920 truckloads to be brought in to the site each year for about four years. This level of truck traffic will be noticeable in the area and may generate somewhat higher levels of noise and dust in the immediate vicinity of the construction zone. Water will be applied to exposed soils during dry weather to mitigate dust movement. The hours of construction will be limited according to the City of Lino Lakes and State of Minnesota noise regulations. City practice is to limit construction to 7:00 am to 7:00 pm Monday through Friday, 9:00 am to 5:00 pm Saturday, with no construction on Sundays or federal holidays. Residential neighborhoods and an elementary school are in the immediate vicinity of the project site. There are 22 existing residences and the school site within 100 feet of the site. The above measures will be employed to minimize inconveniences to them. Environmental Assessment Worksheet Nature's Refuge Conservation Development Lino Lakes, Anoka County, Minnesota Draft Document — September 25, 2006 Page 20 25. Nearby resources. Are any of the following resources on or in proximity to the site? Archaeological, historical or architectural resources? Yes X No Prime or unique farmlands or land within an agricultural preserve? Yes X No Designated parks, recreation areas or trails? X Yes _No Scenic views and vistas? Yes X No Other unique resources? Yes X No If yes, describe the resource and identify any project- relateci impacts on the resource. Describe any measures to minimize or avoid adverse impacts. According to the State Historic Preservation Office, "no archaeological sites or historic structures were identified in a search of the Minnesota Archaeological Inventory and Historic Structures Inventory for the search area requested." During May of 2006, The 106 Group conducted a Phase I archaeological survey and architectural history assessment for the Nature's Refuge Development project (see Archaeological Survey, Attachment C). The proposed housing development project area encompassed approximately 232 acres, of which one acre was tested for archaeological resources. Shovel testing was performed within three identified areas of high archaeological potential. A total of 28 shovel tests were excavated to an average depth of 83 cmbs, but no archaeological materials were recovered. Based on the lack of archaeological materials found within the surveyed areas, no further archaeological work is recommended prior to construction of the proposed project. The athletic fields and wooded/wetland area immediately north of (and belonging to) Lino Lakes Elementary School are adjacent to the project property. The wetland area is an off -site part of Wetland 7. Also, the small portion of the project site that extends to the east and lies within Section 4 is part of Wetland 7 and is currently designated as City Park land. No permanent adverse impacts are expected to affect these resources. Temporary impacts would include exposure to routine construction- related noise and dust. 26. Visual impacts. Will the project create adverse visual impacts during construction or operation? Such as glare from intense lights, Lights visible in wilderness: areas and large visible plumes from cooling towers or exhaust stacks? Yes X No If yes, explain. In regard to "scenic views and vistas ", the EAW Guidelines states: These may include spectacular viewing points along lakes, rivers, or bluffs; virgin timber tracts; prairie remnants; geological features; waterfalls; specimen trees; or plots of wildflowers. Many are not officially designated or marked, but because of their local or statewide interest should be considered by the RGU. Impacts on the visual quality or integrity of these resources should be addressed as well as the physical impacts. The proposed project site is presently a large, open area presenting a view from Main Street of a varied quasi - natural expanse of grassland, forest, and wetland. From Pine Street it presents a view of forest with unbroken canopy, except at wetland openings. The southern portion of the site visible from Main Street was recently clearcut and can be expected to be a weedy and scrubby field for many years to come if no further action is taken. These views may well be regarded by some as scenic, although "spectacular" would probably be an overstatement because the views of fields, wetlands, and woods present on the project site are common in the Lino Lakes region. If the project goes forward, the views for local residents will include new houses in places that presently have no buildings. The appearance of new homes is a common change in any outer suburb in a metropolitan area. Most of the existing wetlands and some of the forested area will become part of the conservation area, and thus will be restored and preserved. New trails and boardwalks created as part of the project will allow the public access to viewing points at the margins of several of the wetland conservation areas. Temporary visual impacts will occur as a result of restoration and management activities in the conservation areas. These activities will involve brush cutting, use of mechanised equipment, and prescribed burning during specific Environmental Assessment Worksheet Page 21 Nature's Refuge Conservation Development Lino Lakes, Anoka County, Minnesota Draft Document — September 25, 2006 periods. Some of this activity will be visible from publicly accessible areas along Main Street and Pine Street, and possibly from adjacent neighborhoods and the elementary school. 27. Compatibility with plans and land use regulations. Is the project subject to an adopted local comprehensive plan, land use plan or regulation, or other applicable land use, water, or resource management plan of a local, regional, state or federal agency? X Yes No. If Yes, describe the plan, discuss its compatibility with the project and explain how any conflicts will be resolved. If no, explain. The Lino Lakes Comprehensive Plan includes goals and policies for a wide variety of issues relevant to new development such as the natural environment, land use and growth management, and transportation. The Comprehensive Plan guides the project site for Low Density Sewered Residential land use. "Low- density" indicates a target housing density of 1 to 3 units per acre. The proposed project will result in a housing density of approximately 1.2 units per acre (278 units on approximately 232 acres) if the entire property is considered, or about 2.78 units per acre (278 units on approximately 100 acres) if the conservation areas are excluded from the calculation. The site is in a City - designated first -stage growth zone, meaning that development may be considered during the period from 1998 to 2010. Most of the site is within the existing Metropolitan Urban Service Area (MUSA), so the City may extend sanitary sewer service to this area. Additional MUSA will be needed for the remaining part of the site. The project site is in the City of Lino Lakes, City Planning District 3. The project is compatible with all planning recommendations for District 3 listed in the City's Comprehensive Plan, especially the establishment of greenways and using innovative development techniques to preserve high quality natural amenities. The City has a growth management policy that regulates the number of new platted lots /units per year and the amount of MUSA that can be used annually. However, the policy removes most growth restrictions from conservation development projects as an incentive. City planning documents prioritize the preservation of the natural environmental assets of Lino Lakes. Also encouraged is the use of "conservation development" to integrate preservation with appropriate development of City land. The Nature's Refuge development has been designed as a conservation development that will restore, manage, and preserve natural assets while providing new housing. The restoration and conservation aspects of the project are consistent with numerous goals stated in the Natural Environment section of the Policy Plan chapter of the City's Comprehensive Plan. To realize those goals, the Plan establishes a set of policies. The Nature's Refuge project is specifically consistent with the following: General Policies General Policy 3: Integrate new development to the natural characteristics of the land to enhance the development through the preservation of attractive natural amenities (i.e., wetlands, waterways, wooded areas, slopes, etc.). Consider new development regulations that serve to preserve unique natural areas. General Policy 5: Promote greenway planning to protect environmentally sensitive areas of the City, to preserve natural area and open space, and to define neighborhoods: Comment: The project is specifically designed to integrate the residential area with green space and protected natural areas, including forest and wetland, including rare wetland communities. The project will actively restore and conserve these natural areas, providing greater preservation of Lino Lakes' natural assets than a passive - conservation easement approach would provide. Environmental Assessment Worksheet Nature's Refuge Conservation Development Lino Lakes, Anoka County, Minnesota Draft Document — September 25, 2006 Page 22 Vegetation Policies Vegetation Policy 1: Encourage the preservation of natural vegetation including plants of Oak Savannas, prairies, woodlands, wetlands and aquatic vegetation to be a design consideration for new subdivisions. Vegetation Policy 5: Promote the use of native grasses, forbs, shrubs and trees in development site restoration. Vegetation Policy 7: Implement strategies for the control of invasive /exotic plant species in greenways, natural areas, and open spaces. Comment: The project is specifically designed to restore and preserve native vegetation, and to manage the natural areas to eradicate exotic plant species and minimize the chance of further invasions. Storm Water/Wetlands/Drainage Policies Storm Water/Wetlands/Drainage Policy 2: Restrict or prohibit development on wetlands, floodplains and other natural features that perform important environmental functions in their natural state. Where desirable and practical, maintain such natural features in a condition for appropriate storm water system or recreational uses. Storm Water/Wetland Drainage Policy 3: Prohibit development on or alteration of natural drainage system components where storm water can be adequately managed without construction of storm sewer. Storm Water/Wetland Drainage Policy 4: Require subdivisions to plat lots with minimum lot area above the designated wetland boundaries to insure adequate buildable area and usable yards. Storm Water/Wetland Drainage Policy 6: Promote higher quality surface water treatment facilities through the use of infiltration and bioretention where appropriate. Storm Water/Wetland Drainage Policy 7: Utilizing the Shoreland Ordinance, establish natural vegetative buffer areas along all lakes, wetlands, creeks, and drainage ways in new developments. Comment: The City has a Surface Water Management Plan, with which all development projects are required to comply. The project will require fill of approximately 7.5 acres of existing wetland, but will restore and preserve the large majority of wetlands on site, including those directly connected via surface channels /ditches to the City ditch system that leads to Marshan Lake. Storm drainage will be handled on site using local -scale infiltration and bioretention solutions: rain gardens, swales, retention ponds. This will prevent direct runoff impacts to wetlands, allowing the existing drainage system to continue functioning without significant alteration. Buffer zones and greenway areas will separate built areas from wetlands, ensuring retention of vegetated filter/buffer strips along all wetland boundaries. Pedestrian/Bicycle Trails Policies Pedestrian/Bicycle Trails Policy 1: Implement the trail planning recommendations of the 1992 Lino Lakes Comprehensive Park Plan and Development Guide, as may be amended. Pedestrian/Bicycle Trails Policy 2: Where feasible, provide pedestrians separated rights -of -way apart from all forms of moving traffic in heavily traveled pedestrian zones, along major thoroughfares and in the more densely developed portion of the community. Comment: The project will establish new public - access trails that will join Main Street and Pine Street, allowing pedestrians to traverse the entire development in rights -of -way that will be separate from vehicular traffic. The Parks plan also gives considerable priority to the City's developing Greenway and Trails systems. According to the Preliminary Park, Greenway, and Trail System Plan, the project site is slated to be part of the City greenway system, with a portion of the City trail network crossing through the property. Much of the site's upland acreage is proposed Natural Resource Conservation Area. The main wetland complex (including Wetlands 3, 4, 6, 7, and some smaller wetlands) is proposed Natural Resource Protected Area. The project is largely consistent with these designations, in that it will restore, manage, and conserve in perpetuity most of the wetland acreage on the site, and will restore, manage, and conserve a portion of the upland acreage as buffer area. Further, as noted above, the 30. Other potential environmental impacts. If the project may cause any adverse environmental impacts not addressed by items 1 to 28, identify and discuss them here, along with any proposed mitigation. Environmental Assessment Worksheet Nature's Refuge Conservation Development Lino Lakes, Anoka County, Minnesota Draft Document — September 25, 2006 Page 23 project will provide public access trails through the property, outside of the built area and adjacent to conserved natural areas. In addition to the above -noted priorities, the Lino Lakes Parks, Natural Open Space /Greenways and Trail System Plan (August, 2004) establishes the City's interest in maintaining a high level of environmental quality and a nature- oriented development context (the "city as a park" concept) by promoting "ecological protection, responsible land stewardship, long -term sustainability, and economic viability ". In order to achieve these aims, it emphasizes the need to explore "combining standard regulatory controls with alternative approaches to the development process (such as conservation development) ", in order to ensure that funding and other mechanisms will be put in place to ensure the realization of environmental goals. The Nature's Refuge project is consistent with these interests because it jointly prioritizes conservation and residential development. Further, it builds the conservation costs into the development funding, minimizing the City's financial obligation. Zoning and Subdivision Ordinances The majority of the site is zoned R -1 Single Family Residential, while 60 acres is zoned R -X Rural Executive. To accommodate the conservation development, the entire project site would be rezoned to Planned Unit Development (PUD). The zoning ordinance provides for the creation of a PUD to allow flexibility of site design for the conservation of land and open space. A PUD allows for deviation from strict zoning provisions to encourage such things as preserving and enhancing desirable site characteristics and promoting desirable and creative environments that might be prevented through the strict application of regulations. A PUD includes the platting of land according to the subdivision ordinance. Platting requirements of the Subdivision Ordinance will apply to the project. 28_ Impact on infrastructure and public services. Will new or expanded utilities, roads, other infrastructure or public services be required to serve the project? X Yes No. If yes, describe the new or additional infrastructure or services needed. (Note: any infrastructure that is a connected action with respect to the project must be assessed in the EAW; see EA W Guidelines for details.) As part of this development, public roads will be developed within the site. All new roads will be designed to City of Lino Lakes Standards. All of the customary urban services will be provided as the site develops. Sanitary sewer with a lift station and watermain will be connected to existing facilities. A trunk watermain is proposed for the site. This watermain and lift station will serve this site and future sites as well as providing utility access to existing subdivisions. 29_ Cumulative impacts. Minnesota Rule part 4410.1700, subpart 7, item B requires that the RGU consider the "cumulative potential effects of related or anticipated future projects" when determining the need for an environmental impact statement. Identify any past, present or reasonably foreseeable future projects that may interact with the project described in this EAW in such a way as to cause cumulative impacts. Describe the nature of the cumulative impacts and summarize any other available information relevant to determining whether there is potential for significant environmental effects due to cumulative impacts (or discuss each cumulative impact under appropriate item(s) elsewhere on this form). There are no known projects that would interact with this project that would cause cumulative impacts. Background traffic growth is addressed in Item 21, Traffic. Surface water runoff is addressed by the design of the project so that water quality will be maintained, and wetland hydrology maintained or restored, as explained in Items 6, 12, 17. Adjacent land is largely developed already. Development of land downstream in the drainage system has potential for impacts, but with the conservation development approach utilized on the Nature's Refuge project, such impacts will be minimised to a much greater degree than under standard development practices. Municipal infrastructure needed to serve development is being planned to accommodate development in accordance with city policies. All anticipated adverse environmental impacts are discussed above in items 1 to 28. Environmental Assessment Worksheet Page 24 Nature's Refuge Conservation Development Lino Lakes, Anoka County, Minnesota Draft Document — September 25, 2006 31. Summary of issues. Do not complete this section if the EAW is being done for EIS scoping- instead, address relevant issues in the draft Scoping Decision document, which must accompany the .EAW List any impacts and issues identified above that may require further investigation before the project is begun. Discuss any alternatives or mitigative measures that have been or may be considered for these impacts and issues, including those that have been or may be ordered as permit conditions. Conservation Development The project will combine desired infill residential development in Lino Lakes with conservation of a valuable wetland complex. This rare wetland type and its rare plant species will be restored to higher- quality conditions and managed to remain a high - quality system dominated by native plant species, while maintaining its present suite of wetland services and values (e.g. flood retention, protection of downstream public waters). The revenue generated by the development of the residential subdivision will allow for the full funding of the restoration and management plan. A small percentage of wetland area and a quantity of forested upland will be lost as a result of the development, in exchange for creation of the high- quality conservation reserve including the remaining wetlands and surrounding forested uplands. This plan has been given initial provisional support by several regulatory agencies. Wetland Impacts The project will result in filling of 7.5 acres of wetland, and in the restoration, management, and preservation of 132 acres under a conservation easement with an ongoing management plan in perpetuity. Most wetland area to be filled is presently in a disturbed, degraded condition. All wetland acreage to be put under conservation management will be restored to higher- quality conditions with greater floristic diversity and reduced abundance of exotic invasive plant species. The conservation plan will also include restoration and management of upland wooded areas and other vegetated buffers along wetland boundaries. Wetland losses are expected to be mitigated by wetland credits generated through the establishment and management of the conservation area. It is hoped that this area will be designated as an area of Exceptional Natural Resource Value (ENRV) based on the existence of several rare (state - listed) plant species and a rare wetland community. The BWSR Wetland Committee has expressed initial approval of this approach for this site (April 2006 meeting). This designation will allow greater wetland credit generation. It is expected that the conservation plan will allow accumulation of excess wetland credit, which will be banked for future mitigation needs. Forest and Tree Impacts The project will cause the conversion of 51 acres of forest, resulting in the loss of forest wildlife habitat and a large number of trees. The development is designed to preserve existing trees and forested upland buffers wherever possible. Remaining forest patches will be restored and maintained as part of the conservation area, but will be a smaller and more fragmented habitat than presently exists, and habitat for a variety of forest - interior animals and plants will be lost or degraded. All mature trees have been surveyed and tagged in accordance with City ordinance. Rare Species Impacts Blanding's turtles and five rare plant species have been recorded on the site. At present, it is unknown how many turtles use the site, but they are most likely to occur in and around the larger, deeper wetlands, which will be protected from loss or impact by the project. By including upland wooded buffer zones in the planned conservation areas, upland foraging and nesting habitat for Blanding' s turtles will be maintained, though there may be some permanent reduction in this type of habitat. As recommended by DNR, signs will be installed to inform residents and visitors of the need for caution around turtle habitat. The installation of ribbon curbs in some places will reduce barriers to turtle movements. Flyers will be given to all contractors working in the area, and future residents will be informed of the presence of the turtles and their habitat needs. Silt fencing will exclude the turtles from construction areas, but will be removed after construction and revegetation to allow free turtle movement. Culverts connecting wetlands and ponding areas will be of recommended size and shape to allow turtle passage. The runoff and sedimentation controls, and restriction on fertilizer use, will help maintain habitat quality for the turtles. In general, the placing of the conservation areas under easement and long -term management will maintain habitat quality. Environmental Assessment Worksheet Nature's Refuge Conservation Development Lino Lakes, Anoka County, Minnesota Draft Document — September 25, 2006 Page 25 The rare plant species found on the site are all native wetland plants that respond well to wetland restoration measures that are planned for the conservation areas. However, a minority of populations of these plants presently occur in wetlands that would be filled by the project. This will constitute a taking of rare plant populations which will require a permit from the DNR. The DNR has expressed initial support for this approach on condition that the conservation areas be fully restored and maintained as improved habitat for these plant species. Also, attempts will be made to transplant existing populations from those wetlands that will be filled into wetlands that will be restored. Because future active restoration and management activities are primarily aimed at restoring and maintaining native plant communities, the populations of rare species are expected to continue and possibly expand. Flood Elevation A portion of the site lies within a delineated 100 -year flood plain. The project will result in a re- grading of part of the site, so changes to the flood elevation contour will be required. Construction and re- grading in the present flood zone will be minimized, because only one street will cross the flood plain and no houses will be located within it. Compensatory storage will be created for any floodplain fill. The FEMA floodplain map will be revised. Drainage and Sedimentation The project will be designed to avoid altering drainage conditions. Runoff will be directed to vegetated swales, rain gardens, and infiltration ponds. Sedimentation ponds and rain gardens will be designed in accordance with City of Lino Lakes requirements and both are proposed to treat storm water runoffbefore discharge. The ponds will be designed to retain a 100 -year storm event and control the discharge rate to pre - development conditions. Drainage from residential areas and impervious surfaces will be directed into infiltration areas in order to prevent sedimentation or contamination of wetlands, to control inflow rates, and to maintain present hydrology as well as possible. Infiltration ponds will be protected from soil compaction by construction equipment, and any compacted areas will be disked to de- compact the soil, which will ensure water infiltration and successful re- vegetation. Erosion Control Erosion control measures will be implemented in accordance with the Storm Water Pollution Prevention Plan (SWPPP) developed for this project to mitigate the potential for adverse surface water and air quality impacts from runoff and wind erosion during construction. The SWPPP will incorporate Best Management Practices prescribed by the MPCA. These measures, including silt fencing, ditch checks, stone exit pads, and prompt turf restoration (including de- compacting, mulching, seeding) in graded areas. The phasing of construction will minimize the area of soil exposed at any given time. Water Use and Wastewater The development, when fully occupied by residents, is expected to consume approximately 76,450 gallons of water from City water supply each day. An approximately equal amount of waste water will be delivered to the City sewage treatment system. These demands are within the capacity of existing infrastructure and systems. Construction- Related Hazardous Materials, Noise, and Dust Typical liquid materials associated with construction equipment, such as engine oils and coolants, may be temporarily stored on site during construction. Spills are also possible. Standard BMPs will be employed to minimize the likelihood of spills, and the impact of any spills that may occur. Similarly, dust -and- erosion - reduction BMPs will be employed. Additional noise generation will be typical of any residential construction activity and will cease after the construction phase. Traffic and Air Quality The project will generate a considerable quantity of new traffic, particularly on CSAH 14. Completing the improvements indicated in the Traffic Impact Analysis will mitigate the additional traffic volume so as to not adversely impact the traffic flow on adjacent roadways. Air quality will not be significantly impacted by the traffic increase and proposed residential land use. Environmental Assessment Worksheet Nature's Refuge Conservation Development Lino Lakes, Anoka County, Minnesota Draft Document — September 25, 2006 Page 26 RGU CER'TIFICATION. The Environmental Quality Board will only accept SIGNED Environmental Assessment Worksheets for public notice in the EQB Monitor. I hereby certify that: • The information contained in this document is accurate and complete to the best of my knowledge. • The EAW describes the complete project; there are no other projects, stages or components other than those described in this document, which are related to the project as connected actions or phased actions, as defined at Minnesota Rules, parts 4410.0200, subparts 9b and 60, respectively. • Copies of this EAW are being sent to the entire EQB distribution list. Signature Date Title City Planner Environmental Assessment Worksheet was prepared by the staff of the Environmental Quality Board at the Administration Department. For additional information, worksheets or for EAW Guidelines, contact: Environmental Quality Board, 658 Cedar St., St. Paul, MN 55155, 651- 296 -8253, or http: / /www.egb.state_mn.us FIGURES September 8, 2006 Critical Connections Ecological Services, Inc. <Pik ,.7.vrzt■ n ,1 Pi,ina ioiori traio r. ;St.., A. t Site Location In Anoka County. Minnesota Nature's Refuge Conservation Development Environmental Assessment Worksheet Figure 1 1 1 1 1 1 1 1 1 1 1 1 1 1 -** k d - . • I 6 • 5 • 1-1Nr ...II ...• • • i • • ..... 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Minnesota Environmental Assessment Worksheet Figure 2 Legend: • D Project Location and Property Boundaries Wetland Locations (With Wetland Number) State Listed Plant Species Locations • Fimbristylis autumnalis (Special Concern) • Polygala cruciata (Endangered) p Rotala ramosior (Threatened) Scirpus cliintonii (Special Concern) o viola lanceolate (Threatened) 1000 0 1000 Feet 1 September 8, 2006 I'6"10:14. +.1Ta11 M. M,ine nn Sint fait crltlto! Connertfons Ecoiogicni services. Inc. p: a %e 41.1.n•n f: fat..: 3.a. ti Delineated Wetlands and Rare Plant Species Locations Nature's Refuge Conservation Development Lino Lakes. Anoka County, Minnesota Environmental Assessment Worksheet Figure 3 1 1 1 1 1 •• 4.44 , • 444 Legend: j, et--; er E:1 Proposed Development Site Boundary Proposed Trail System Proposed Road Alignments Proposed Residential Lot Lines 1000 0 1000 Feet September 8, 2006 I 4 '5, 4,4. t4, e'■ • Soiwi Erni. Metall Connections Ecological Services. Inc. r. LI Proposed Site Plan with 2005 Aerial Photograph Nature's Refuge Conservation Development Lino Lakes. Anoka County, Minnesota Environmental Assessment Worksheet Figure 4 ATTACHMENT A (Minnesota DNR Natural Heritage Review Letter) Minnesota Department of Natural Resources January 30, 2006 Natural Heritage and Nongame Research Program, Box 25 500 Lafayette Road St. Paul, Minnesota 55155 -40_ Phone: (651) 259 -5107 Fax: (651) 296 -1811 E -mail: sarah.hoffmann @dnr.state.mn.us Jason Husveth Critical Connections Ecological Services, Inc. 14760 Oakhill Road Scandia, MN 55073 Re: Request for Natural Heritage information for vicinity of proposed Carlson / Peterson Conservation Development, T3 1N R22W Sections 4 & 5, Anoka County NHNRP Contact #: ERDB 20060543 Dear Mr. Husveth, The Minnesota Natural Heritage database has been reviewed to determine if any rare plant or animal species or other significant natural features are known to occur within an approximate one -mile radius of the area indicated on the map enclosed with your information request. Based on this review, there are 31 known occurrences of rare species or native plant communities in the area searched (for details, see enclosed database printout and explanation of selected fields). Following are specific comments for only those elements that may be impacted by the proposed project. Rare feature occurrences not listed below are not anticipated to be affected by the proposed project. • As you are aware, several rare plant species including Tubercled Rein- Orchid (Platantltera} lava var. herbiola), Cross - Leaved Milkwort (Polygala cruciata), and Twisted Yellow -Eyed Grass (Xyris torta), all endangered species; Lance - Leaved Violet (Viola ianceolata) and Tooth —Cup (Rotala ramosiar), both threatened species; and Autumn Fimbristylis (Fimbristylis autumnalis), Marginated Rush (Juncus marginatus), and Clinton's Bulrush (Scirpus clintonii), all special concern species, have been documented within or immediately adjacent to the proposed development site. These locations should be identified as high priority areas for protection and/or restoration. If these areas are not protected and the project will impact any species listed as either endangered or threatened, you willl need to contact Bonita Eliason, Supervisor, Natural Heritage and Nongame Research Program, at (651) 259 -5090 to discuss the endangered species permitting process. Minnesota's endangered species law (MS 84.0895) and associated rules (Chapter 6212.1800 - 6212.2300 and 6134) prohibit taking, importing, transporting, or selling endangered or threatened plants or animals, including their parts or seeds, without a permit. For plants, taking includes picking, digging, or destroying. For additional information on the permitting process, please see http:llwww.dnr.state.mn.us /ecological services /nhnrn /endangered permits.html • The project area is within a "known concentration" area of Blanding's Turtles (Emydoidea blandingii), a state threatened species. There are 15 such areas in the state. These areas have been determined by the DNR to be locations of highest priority for research and management activities, and are relied upon to maintain the species' security in the state. Blanding' s Turtles spend much of their time in shallow wetlands (1 -3 feet deep), but they nest in open, sandy uplands up to 1 mile from wetlands. Nesting is in June and eggs hatch in September, at which time young turtles enter deep wetlands where they over - winter in soft sediments. Factors believed to DNR Information: 651- 296 -6157 • 1- 888 - 646 -6367 • TTY: 651- 296 -5484 • 1 -800- 657 -3929 An Equal Opportunity Employer �/ Printed on Recycled Paper Containing a Minimum of I Orlf Post- Consumer Waste 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 contribute to the decline of this species include wetland drainage and degradation, development on upland nesting areas, and possibly collection for the pet trade. In addition, because of the tendency for Blanding's Turtles to travel long distances over land, they are often forced to cross roads in developed areas. Many of the records we have of Blanding's Turtles are from turtles killed crossing roads. For your information, I have attached a fact sheet and a flyer about the Blanding's Turtle. The fact sheet is intended to provide you with background information regarding habitat use, life history, and reasons for the species' decline, as well as recommendations for avoiding and minimizing impacts to this rare turtle. As you will note, there are two lists of recommendations. The first list contains recommendations to prevent harm to turtles during construction work, and is relative to all areas inhabited by Blanding's Turtles. The second column expands on the first column, and contains greater protective measures to be considered for areas known to be of state -wide importance to Blanding's Turtles. Because your project is within one of these areas, please refer to both list of recommendations. The flyer, which should be given to all contractors working in the area, contains an illustration and description of the Blanding's Turtle, as well as a summary of the recommendations provided in the fact sheet. Please note that the majority of the project area is within an area identified as a Regionally Significant Ecological Area (RSEA). In 2003 the DNR Central Region, in partnership with the Metropolitan Council, conducted this landscape -scale assessment of the seven - county metro area that identified ecologically significant terrestrial and wetland areas. The mapping of RSEAs was done using two primary data sources. The first data source was native plant communities mapped by the Minnesota County Biological Survey. The remaining areas were derived using a modeling process that predicts the likelihood that high quality native animal habitats exist in a contiguous area. GIS shapefiles of the RSEAs are available on the DNR's data deli website at http: / /deli.dnr.state.mn.us (referred to as "Twin Cities Metro Regionally Significant Ecological Areas)." To view pdf versions of the final RSEA maps, ref ^r to http:// www. dnr.state.mn.us /rsea/index.html . If you would like help interpreting the data, contact Hannah Texler, Regional Plant Ecologist, at 651 -772 -7570 or hannah.texler @dnr.state.mn.us The Natural Heritage database is maintained by the Natural Heritage and Nongame Research Program, a unit within the Division of Ecological Services, Department of Natural Resources. It is continually updated as new information becomes available, and is the most complete source of data on Minnesota's rare or otherwise significant species, native plant communities, and other natural features. Its purpose is to foster better understanding and protection of these features. Because our information is not based on a comprehensive inventory, there may be rare or otherwise significant natural features in the state that are not represented in the database. A county -by- county survey of rare natural features is now underway, and has been completed for Anoka County. Our information about native plant communities is, therefore, quite thorough for that county. However, because survey work for rare plants and animals is less exhaustive, and because there has not been an on -site survey of all areas of the county, ecologically significant features for which we have no records may exist on the project area. Because our information is not based on a comprehensive inventory, there may be rare or otherwise significant natural features in the state that are not represented in the database. A county -by- county survey of rare natural features is now underway, but has not been completed for Anoka County. Therefore ecologically significant features for which we have no records may exist on the project area. The enclosed results of the database search are provided in two formats: index and full record. To control the release of locational information which might result in the damage or destruction of a rare element, both printout formats are copyrighted. The index provides rare feature locations only to the nearest section, and may be reprinted, unaltered, in an Environmental Assessment Worksheet, municipal natural resource plan, or report compiled by your company for the project listed above. If you wish to reproduce the index for any other purpose, please contact me to request written permission. The full- record printout includes more detailed locational information, and is for your personal use only. If you wish to reprint the full- record printouts for any purpose, please contact me to request written permission. Please be aware that review by the Natural Heritage and Nongame Research Program focuses only on rare natural features. It does not constitute review or approval by the Department of Natural Resources as a whole. If you require further information on the environmental review process for other natural resource- related issues, you may contact your Regional Environmental Assessment Ecologist, Wayne Barstad, at (651) 772 -7940. An invoice in the amount of $92.85 will be mailed to you under separate cover within two weeks of the date of this letter. You are being billed for map and database search and staff scientist review. Thank you for consulting us on this matter, and for your interest in preserving Minnesota's rare natural resources. Sincerely, Sarah D. Hoffmann Endangered Species Environmental Review Coordinator encl: Database search results Rare Feature Database Print -Outs: An Explanation of Fields Fact sheets: Blanding's Turtles Cc: Wayne Barstad A H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H to Z m 0 0 0 0 0 000000000000000000000000 0 0 t r r n . a W W 4J W la W W W W W W W 4.1 W W W W lJ 40 W 40 La W W W W W(0 W ro o N N N N N N N H H H H H H H H H H Y H H N V N H H N H H H 3 A Z 2 Z z 2 Z z z z z z z z Z z Z 2 z Z z Z z 2 Z z Z 2 2 z Z Z 7 CD m O 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 7G A 01 A A 01 A A A A A A =1 A A A A A A A A A A Z rf 0 N IQ N N. N tJ 10 Al N N N N N(0 N N Al N 20 N 1J N N N N Al N 20 N N A 17 N N N N N 1J N N N N IJ N N Al N N N N 10 N N N N N 20 N 10 N N N 20 0 0 w A E E E E £ S E E S E . Z £ E =EX E E£ Z E T E E E E E. 00 2 N .Z. W W W(0 H 1. W 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 O m .0 C w a A a W (4 N Al 0 m LT 01 01 m (T N tT U+ 01 Ul 01 VR fT Vl tT A A W W W W W [a M M IT 0 20 (H H 7 CD 11 w R 1--. Z ••4 1D x A m O 'i O r. Fj H H H 0 0 .4 b 0.4 N 42 to 0 w n n Pi n n n a 3 o 0 n n n z z n n 'II n P 34 m (0(0 m d A En m m m a a N a &I-4g,21.,,,,,%, (0 5q X< G G ro A A ro 'V X20 'n 'a 20 (0 G 20 m 8 d (0 pKp t" b rO �+ O+ 1--. .3 H r t. Y 3� FC O M ?VV O y y limy3 CCT1 EO O X 91 O m c' ; � Y+ C X1 �1'A' .+ O- A i i O H m 'a M O A z En M 3 y m p 01m1 777777y 04 8nPJ U+ m 01 x 3 3 3 7 01 .y< r yyr 01 01� .<< 3 ac 0 ym < f E c b 01~ A 7 01 C b n m K K K b z "3 E z c C< w 0 If 0 Ey 01y m 01 E Y to�o++ gym++ m 0 0 0 A A •01 N N 1D RI 'V N A 01 2)) ocn C 20 C 0 0 0 0 n rot� Y Y Y 7 Y z C C A O N2 H C" Z n 0 rotor) m (00 ro c(:] 01H-3Hz AAAaYb y �d nn,-, frwm o 0 N 3— 2 N m O N Y Y Y N H H< N Y x R t O[xna G2')xL+7H L2]ro nmm F+.�.3 -7yYY Yy yy -grr- O [yya tnaY 22 rY- NiFKn�Z,)2, f'12 PQ N n s t" M cxC'£trod c2 r O m —" tt" xi 0 m 7n O acm ommmmz mw vlmmte mm CC K H FAm n N m r y n n 2) m V1 '.L m m Co E 01 rt 01 m ro[Ca0m rr["ro00 0 m - - -01 m Y O— 2 01 O O m m m z 20 ro 0 r r A Y a Y m Y o H. w 2) m rm 0H n1 n1CYYY vi CC Y C mmm d HO G .b H n A H H y 1 C C C m 01 .3 H N C G .ro m (0 H 7.. m r m 'L K r m [d m [+1 7G ae at C G 01 m m _C" [' 2 .h1 0 d CJ) m 0 G7 4 O K 0 d d m r F H m m L'C'. o O C7 C7 r 0 m o m my� (2) 010<CCCO'a 01ddT mC ym 01 1C ❑.Am tG 22- H K S pH m L3 L) O O O C r r tltl Gf 0 m X K m r- 7 G .-1 K M mm— A [r7 Ira m 1 701 r 01 r r r ^' O T+ 0 '47 —.3 H m H H H E 01 m al 01 1 -3 A 20 .- ^' at 4G tT b m C 7t x r m # m H P m a "' A O 70 n A to. m N N m r m m at it 0 H. w^ H 9 N it r -- A Co " N it at 7t H H H r H H 3- 7t '-3 . 0.., 16 °0 H 0 a N it A A A t11 +• m +< K.< MK.. t0 J A N a a tT H to >D .1 02-2-2-0102-04 H A A O co N A O H yt it H H H 01 H b A 01 d m o H A m m m 0 N (0 m W a m A H Li) •• ^• 10 G fl .0 It '1 N N N N 0 P. O nA CO a 0 to Y 7"z R H 0 RICE CREEK CHAIN OF LAKES REGIONAL PAR a 9 to 0 r Rare Features Database Print -outs: An Explanation of Fields The Rare Features database is part of the Natural Heritage Information System, and is maintained by the Natural Heritage and Nongame Research Program, a unit within the Division of Ecological Services, Minnesota Department of Natural Resources (DNR). * *Please note that the print -outs are copyrighted and »lay not be reproduced without permission ** Field Name: [Full (non- abreviated) field name, if different]. Further explanation of field. -c- CBS Site: [County Biological Survey site number]. In each county, the numbering system begins with 1. CLASS: A code which classifies features by broad taxonomic group: NC = natural community; SA = special animal; SP = special plant GP = geologic process; GT = geologic time; OT = other (e.g. colonial waterbird colonies, bat hibernacula). Cty; [County). Minnesota counties (ordered alphabetically) are numbered from 1 (Aitkin) to 87 (Yellow Medicine). CURRENT STATUS: Present protection status, from 0 (owner is not aware of record) to 9 (dedicated as a Scientific and Natural Area). -D- DNR Region: 1 =NW, 2=NE, 3 =E Central, 4=SW, 5 =SE, 6= Minneapolis/St. Paul Metro. DNR Quad: [DNR Quadrangle code]. DNR- assigned code of the U.S. Geologic Survey topographic map on which the rare feature occurs. -E- ELEMENT or Element See AElement Name (Common Name)@. Element Name (Common Name): The name of the rare feature. For plant and animal species records, this field holds the scientific name, followed by the common name in parentheses; for all other elements (such as plant communities, which have no scientific name) it is solely the element name. EO RANK: [Element Occurrence Rank]. An evaluation of the quality and condition of natural communities from A (highest) to D (lowest). EO Size: [Element Occurrence Size]. The size in acres (often estimated) of natural communities. FED STATUS: [Federal Status]. Status of species under the Federal Endangered Species Law: LE= endangered, LT =threatened, C= species which have been proposed for federal listing. Federal Status: See AFED STATUS@ Forestry District; The Minnesota DNR =s Division of Forestry district number. GLOBAL RANK: The abundance of an element globally, from G1 (critically imperiled due to extreme rarity on .a world -wide basis) to G5 (demonstrably secure, though perhaps rare in parts of its range). Global ranks are determined by the Conservation Science Division of The Nature Conservancy. -1- INTENDED STATUS: Desired protection status. See also ACURRENT STATUS.@ If a complete list of protection status codes is needed, please contact the Natural Heritage Program. -L- LAST OBSERVED or Last Observed Date or Last Observation: Date of the most recent record of the element at the location. Latitude: The location at which the occurrence is mapped on Natural Heritage Program maps. NOTE: There are various levels of precision in the original information, but this is not reflected in the latitudellangitude data. For some of the data, particularly historical records, it was not possible to determine exactly where the original observation was made (e.g. "Fort Snelling ", or "the south shore of Lake Owasso "). Thus the latitude/longitude reflect the mapped location, and not necessarily the observation location. Legal: Township, range and section numbers. Long: [Longitude]. See NOTE under ALatitude@ -M- MANAGED AREA or Managed Area(s): Name of the federally, state, locally, or privately managed park, forest, preserve, etc., containing the occurrence, if any. If this field is blank, the element probably occurs on private land. If "(STATUTORY BOUNDARY)" occurs after the name of a managed area, the location may be a private inholding within the statutory boundary of a state forest or park. Map Sym: [Map Symbol]. MN STATUS: [Minnesota Status]. Legal status of plant and animal species under the Minnesota endangered species law: END= endangered, THR =threatened, SPC= special concern, NON=no legal status, but tracked. This field is blank for natural communities and colonial waterbird nesting sites, which have no legal status in Minnesota, but are tracked by the database. -N- NC Rank: [Natural Community Rank]. -O- Occ #: [Occurrence Number]. The occurrence number, in combination with the Element name, uniquely identifies each record. OCCURRENCE NUMBER: See AOcc #@ # OF OCCURS: The number of records existent in the database for each element within the area searclted. Ownership: Indicates whether the site is publicly or privately owned; for publicly owned land, the agency with management responsibility is listed. -P- Precision: Precision of locational information of occurrence: C (confirmed) = known within 1/4 mile radius, U (unconfirmed) _ known within 1/2 mile, N (non - specific) = known within 1 mile, G (general) = occurs within the general region, X (unmappable)= location is unmappable on USGS topographic quadrangles (often known only to the nearest county), 0 (obscure/gone)= element no longer exists at the location. PS: [Primary Section]. The section containing all or the greatest part of the occurrence. -4- Quad Map: See ADNR Quad@ Rec #: [Record number]. RNt�' or Rut [Range number). -S- SECTION or Section: [Section number(s)]. Some records are given only to the nearest section (s), but most are given to the nearest quarter - section or quarter - quarter - section (e.g., SWNW32 denotes the SW 1/4 of the NW I/4 of section 32). A "0" is used as a place holder when a half - section is specified (e.g., ONO3 refers to the north 1/2 of section 3). When a. occurrence crosses section boundaries, both sections are listed, without punctuation (e.g., the NE1 /4 of section 19 and NW I/4 of section 20- is displayed as ANE19NW20 "). Site: A name which refers to the geographic area within which the occurrence lies. If no name for the area exists (a locally used name, for example), one is assigned by the County Biological Survey or the Natural Heritage. Program. Source: The collector or observer of the rare feature occurrence. 5 RANK: [State Rank]. A rank assigned to the natural community type which reflects the known extent and condition of that community in Minnesota. Ranks range from 1 (in greatest need of conservation action in the state) to 5 (secure under present. ' conditions): A " ?" following a rank indicates little information is available to rank the community. Communities for which information is especially scarce are given a "U ", for Arank undetermined@. The ranks do not represent a legal status. They are . used by the Minnesota Department of Natural Resources to set priorities for research, inventory and conservation planning. The state ranks are updated as inventory information becomes available. State Status: See AMN STATUS@ . TWP or Twp: [Township number]. -V- Verification: A reflection of the reliability of the information on which the record is based. The highest level of reliability is "verified," which usually indicates a collection was made or, in the case of bird records, nesting was observed. Plant records based on collections made before 1970 are unverified. Voucher: The museum or herbarium where specimens are maintained, and the accession number assigned by the repository. In the case of bald eagles, this is the breeding area number. -W- Wildlife Area: The Minnesota DNR =s Division of Wildlife administrative number. Data Security Locations of some rare features must be treated as sensitive information because widespread knowledge of these locations could result in harm to the rare features. For example, wildflowers such as orchids and economically valuable plants such as ginseng are vulnerable to exploitation by collectors; other species, such as bald eagles. are sensitive to disturbance by observers. For this reason, we prefer that publications not identify the precise locations of vulnerable species. We suggest describing the location only to the nearest section. if this is not acceptable for your purposes, please call and discuss this issue with the Environmental Review Specialist for the Natural heritage and Nongame Research Program at 651/296 -7863. Revised 9/2002 0 0 a £ O a rt • O X r t2 ' Az O m 63 50 R ro a I� s ro e7.. + r 2 7 3 E O rY. 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N M z 0' aK R D O Z n 4 K •f r 04 a m o n. 0 m 2 Gr K .. 3 m -H.. 0 rt a 0, 33 • K •• N 0 n O 00 O R O R O, H to m b H g 6 CM ATTACHMENT B (Traffic Study Report) Wenck File #1344 -05 Prepared for: OAKWOOD LAND DEVELOPMENT Prepared by: WENCK ASSOCIATES, INC. 1800 Pioneer Creek Center P.O. Box 249 Maple Plain, Minnesota 55359 -0249 (763) 479 -4200 T:\ 1344 \05\Report \1344 -05 update.doc Traffic Study for Proposed Nature' s Refuge Residential Development Lino Lakes, MN August 31, 2006 enck Table of Contents 1.0 PURPOSE AND BACKGROUND 1 -1 2.0 EXISTING CONDITIONS 2 -1 3.0 TRAFFIC FORECASTS 3 -1 4.0 TRAFFIC ANALYSES 4 -1 5.0 CONCLUSIONS AND RECOMMENDATIONS 5 -1 TABLES 1 TYPICAL WEEKDAY PEAK HOUR TRIP GENERATION FOR PROPOSED DEVELOPMENT 2 WEEKDAY A.M. PEAK HOUR LEVELS OF SERVICE 3 WEEKDAY P.M. PEAK HOUR LEVELS OF SERVICE FIGURES 1 PROJECT LOCATION 2 SITE PLAN 3 WEEKDAY PEAK HOUR DEVELOPMENT TRIPS 4 WEEKDAY PEAK HOUR MOVEMENT VOLUMES 5 AVERAGE DAILY TRAFFIC VOLUMES 6 RECOMMENDED ACCESS PLAN 1 1.0 Purpose and Background This traffic study is to fulfill the requirements of question 21 in the Environmental Assessment Worksheet (EAW) completed for the proposed Nature's Refuge residential development. The site for the proposed development is located in the City of Lino Lakes, MN. The subject site, presently undeveloped, is bounded by County State Aid Highway 14 (CSAH 14) frontage to the south and Pine Street to the north. The development is generally located between 4th Avenue N. and CSAH 23 (Lake Drive). See Figure 1 for project location. The following principal traffic questions are addressed in this study: a) Is the proposed development access plan feasible and will it provide adequate traffic operations? b) Would adequate traffic operations be provided at the following intersections upon full completion of the proposed development? • CSAH 14 /CSAH 23 • CSAH 14/4t Avenue North • CSAH 23/Pine Street • CSAH 14 /development access • Pine Street/development access The proposed development will consist of 278 single - family detached homes. Upon full completion of the development one access connection will be provided at the south end of the property to CSAH 14 and one connection at the north end of the property to Pine Street. At this time, there are no provisions for connection of this local street to adjacent parcels. The current site plan is shown in Figure 2. Full completion of the proposed development is expected to occur by 2010. PINE MAIN CARL 4 PALOMINO •' LA. f � 'PPALOOSZ • (• CT. TECCRLA ;1'+LILAC CT. ST. CIA ILE N t THOMAS ST. APPROXIMATE SCALE S ST. 135th AVE. ANOALL ST. JJ w tr z WOOOOUCK1, 1 ANDALL LA iytP• v 4 f�f 4t ARLO p' LOIS N PROJECT LOCATION JAMES LA. �'79th ST. ■ o SNeR W000 C LA. g e v 11 3 GREENWOOD LA. PRAIRIE VIEW PL TTt LOIS LA. LA. BARBARA LA. OAK LA. sT• 2000' • ANALYSIS INTERSECTION OAKWOOD LAND DEVELOPMENT Wenck Wenck. Associates, Inc. 1800 Pioneer Creek Center Environmental Engineers Maple Plain, MN 55359 TRAFFIC STUDY FOR NATURE'S REFUGE RESIDENTIAL DEVELOPMENT IN LINO LAKES, MN 1 -2 George Watch Lake c 1 C George Watch f nbe FIGURE 1 PROJECT LOCATION PINE ST. OAKWOOD LAND DEVELOPMENT _ Wenck Wenck Associates, Inc. 1800 Pioneer Creek Center Environmental Engineers Maple Plain, MN 55359 CSAH 14 (MAIN ST.) TRAFFIC STUDY FOR NATURE'S REFUGE RESIDENTIAL DEVELOPMENT IN LINO LAKES, MN 1 -3 N t APPROXIMATE SCALE 0 800' FIGURE 2 SITE PLAN 2.0 Existing Conditions Geometrics and Traffic Control Existing geometrics and traffic control at the subject intersections are as follows: CSAH 14 /CSAH 23 This intersection is presently controlled by stop signs on all approaches. Control at this intersection is supplemented by an overhead intersection control beacon providing a flashing, circular red signal indication for each approach. The north approach provides one through -left turn lane and one right turn lane. The south approach provides one through -left turn lane and one right turn lane. The east approach provides one through -left turn lane and one channelized right turn lane under yield condition. The west approach provides one through -left tum lane and one channelized right turn lane under yield condition. The speed limit for the north and south approaches is 50 mph. The speed limit for the east and west approaches is 40 mph. Intersection lighting is provided in the northwest and southeast corners. CSAH 14/4`h Avenue North This intersection is currently controlled by stop signs on the north and south approaches. The north approach provides one left - through -right turn lane. The south approach provides one left - through -right tum lane. The east and west approaches provide one through -left turn lane and one right turn lane. The speed limit for the north approach is 45 mph. The speed limit for the east, west, and south approaches is 50 mph. CSAH 23 /Pine Street This "T" intersection is currently controlled by a stop sign on the west approach. The north approach provides one through lane and one right turn lane. The south approach provides one through -left turn lane. The west approach provides one left- turn/right- turn lane. The speed limit for the north and south approaches is 55 mph. The speed limit for the west approach is 30 mph. Pine Street is aggregate surfaced. Existing Traffic Volumes To better understand the existing traffic conditions at the subject intersections, turning movement counts were completed during the AM and PM peak periods on April 26th and 27th and May 2nd and 3rd, 2006. The existing peak hour volumes are presented in the Traffic Forecasts section. The collected turn movement data indicated the AM peak hour occurs from 7:00 to 8:00 AM and the PM peak hour from 4:30 to 5:30 PM. 3.0 Traffic Forecasts To effectively address the traffic questions presented at the beginning of this report, traffic forecasts were completed for 2011. It is standard practice to analyze traffic conditions for the year after full completion of the proposed development. Specifically, AM and PM peak hour traffic volumes were developed for the three subject intersections, as well as for the proposed access points to CSAH 14 and Pine Street. Analysis of each location includes the following three scenarios: • 2006 Existing • 2011 No -Build • 2011 Build The following methodology was used to develop traffic volumes for the above three scenarios: • 2006 Existing. Peak hour traffic volumes for this scenario were established based on AM and PM peak period traffic counts completed at the three subject intersections on a typical weekday. • 2011 No- Build. To account for natural background traffic growth, existing volumes at the subject intersections were increased at a rate of 5.0 percent per year. This growth factor was established based on review of historic traffic volume maps and information published in the TH 242 /CSAH 14 Access Management Study (May 1999). Traffic volumes generated by other area developments that include a trips through the subject intersections are expected to be accounted for in this conservative growth rate. • 2011 Build. Volumes due to the proposed Nature's Refuge residential development were added to the 2011 No -Build volumes to establish 2011 Build volumes. The approach and the various steps involved in establishing development volumes are described next: • Trip Generation. Trip generation estimates for the 278 single - family detached houses were developed based on data presented in the Institute of Transportation Engineers Trip Generation, Seventh Edition. Trip generation estimates for the Nature's Refuge development are shown in the Table 1. 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Table 1 Typical Weekday Peak Hour Trip Generation for Proposed Development Land Use Size Unit AM Peak Hour Trips PM Peak Trips In Hour Out Weekday Trips In Out Single - Family Detached Housing 278 DU 52 157 177 104 2,660 Total Trips 52 157 177 104 2,660 DU = Dwelling Units Trip distribution percentages for the proposed development (i.e. routes that motorists would use) were established based on existing traffic counts, historical traffic flow maps, the TH 242 /CSAH 14 Access Management Study (May 1999), locations of major trip attractions relative to the site, and an overall review of the roadway system expected to be in -place in 2011. The distribution percentages applied to the development trips are: • 45 percent to and from the south on CSAH 23 • 10 percent to and from the north on CSAH 23 • 25 percent to and from the east on CSAH 14 • 15 percent to and from the west on CSAH 14 • 5 percent to and from the south on 4th Avenue North The resulting weekday peak hour development trips as distributed to the roadway network are shown in Figure 3. Accounting for existing volumes and background growth, the total 2006 Existing, 2011 No- Build, and 2011 Build traffic volumes for the AM and PM peak hours are presented in Figure 4. The daily volumes are shown in Figure 5. 3 -2 PINE ST. CV N M 1/4 7/23 —4. 4/4 N T _co T N 13/47 21/14 6/3 2/5 9/31 -t WEEKDAY A.M. PEAK HOUR WEEKDAY P.M. PEAK HOUR OAKWOOD LAND DEVELOPMENT - Wenck Wenck Associates, Inc. 1800 Pioneer Creek Center Environmental Engineers Maple Plain, MN 55359 r 28/94 7/6 33/20 t— 4/13 9/31 9/5 28/19 —+ 49/33 TRAFFIC STUDY FOR NATURE'S REFUGE RESIDENTIAL DEVELOPMENT IN LINO LAKES, MN 3 -3 CO to MAIN ST. N NOT TO SCALE FIGURE 3 WEEKDAY PEAK HOUR DEVELOPMENT TRIPS XX/XX/XX A.M. PEAK HOUR PINE ST. 4— 5/7/7 -1-/13 10 CO Ncb 25/31/31 --3 -1 -12 —4, t-- 3/4/4 N CO 4— 218/278/299 sr' 63/80/86 MAIN ST. II �t 0 t— -/ -/28 4— 249/318/318 9/11/18 — ' 16/20/53 u q -3 '�— 19/24/28 4— 89/114/123 k— 144/184/184 4/5/6 —1` 310/396/403 —3 43/55/55 —4, 4-Tr 2006 2011 NO -BUILD 2011 BUILD timm tn(DCO i0 CO 4J 15/19/23 —1' 300/383/406 8/10/10 —1, -1 -19 387/494/494 nt o a t 7- .4 72/92/101 —a 217/277/305 —3 103/131 /180", N co Co co CO cv P.M. PEAK HOUR PINE ST. 14/18/18 —3 -1 -15 15/19/19 4— 387/494/508 20/26/29 MAIN ST. 10 N 0 tO o to m - 4J L -1 -/31 —� 398/508/508 —* 4— 17/22/22 -/ -/47 am N �-- -1 -194 4— 372/475/475 NOT TO SCALE 6/8/14 —� 8/10/30 3 39/50/63 4— 222/283/314 116/148/148 149/190/195 115/147/166 68/87/120 -4, OAKWOOD LAND DEVELOPMENT Wenck Wenck Associates, Inc. 1800 Pioneer Creek Center Environmental Engineers Maple Plain, MN 55359 TRAFFIC STUDY FOR NATURE'S REFUGE RESIDENTIAL DEVELOPMENT IN LINO LAKES, MN FIGURE 4 WEEKDAY PEAK HOUR MOVEMENT VOLUMES 3 -4 T. A 7100/9100/9400 PROJECT LOCATION T. 8100/10300/10800 N APPROXIMATE SCALE 0 2000' 6700/8500/9200 OAKWOOD LAND DEVELOPMENT Wenck Wenck Associates, Inc. 1800 Pioneer Creek Center Environmental Engineers Maple Plain, MN 55359 15100/19300/20600 2006 2011 NO -BUILD I i I 2011 BUILD X xxxxp TRAFFIC STUDY FOR NATURE'S REFUGE RESIDENTIAL DEVELOPMENT IN LINO LAKES, MN W. Lake FIGURE 5 AVERAGE DAILY TRAFFIC VOLUMES 3 -5 4.0 Traffic Analyses The questions presented earlier are addressed next. Q: Is the proposed development access plan feasible and will it provide adequate traffic operations? As previously stated, access to the development would be provided by a local street with one connection at the south end of the property to CSAH 14 and one connection at the north end of the property to Pine Street. The first step in assessing the feasibility of the proposed access plan is to identify the applicable access spacing guidelines in the vicinity of the project. The following sections address each access individually. CSAH 14 Access The County's access spacing guidelines are based on roadway functional classification and area type. CSAH 14, within the study limits, is functionally classified as a "Principal Arterial ". Considering the surrounding area and the 40 mile per hour speed limit on CSAH 14 at the proposed development access, the most applicable area type for this roadway section is "urbanizing ". The Anoka County access spacing guidelines published in the Anoka County Highway Department Development Review Process (Dec. 2003) are; 1/2 -mile (2640 feet) for primary full movement intersections, 1/4 -mile (1320 feet) for conditional secondary intersections, and 1/2 -mile (2640 feet) signal spacing for a principal arterial in an urbanizing area. A secondary source of access guidance for CSAH 14 is the TH 212 /CSAH 14 Access Management Study (1999). This study provides an access management plan for the TH 242 /CSAH 14 corridor that promotes management consistent with the routes function (principal arterial) and the mobility needs of the region. Guidance provided in this secondary source differs only in the spacing of the secondary intersections, indicating 1/6 -mile (880 feet) as recommended spacing for secondary intersections. The access management study identifies these secondary intersections as right - in/right -out only. The access management study identified the following existing locations along CSAH 14 as full - movement intersections: • CSAH 14/4`h Avenue North • CSAH 14/Wood Duck Trail • CSAH 14 /CSAH 23 (Lake Drive) The distance between the proposed development access to CSAH 14 and Wood Duck Trail is approximately 1600 feet. The distance between the proposed development access and CSAH 23 is approximately 1800 feet. Based on these distances, the proposed access to CSAH 14 does not satisfy the County's criteria for a full- movement intersection. Secondary intersection spacing is satisfied (using 1/6 mile criteria) since there is 1600 feet between the access and Wood Duck Trail and 950 feet between the access and Aenon Place. Anoka County's Development Review Process includes provisions encouraging all access from local streets. Therefore, consideration was given to the possibility of CSAH 14 access to the site exclusively via Wood Duck Trail, the nearest local street providing full- movement access. Currently, the property along Wood Duck Trail is divided into single - family lots. It is our understanding that the current residents are not interested in selling property which would be used to provide access to the proposed development, resulting in increased traffic in their neighborhood. Development access to other local streets connecting to the county system was reviewed and dismissed, since connections of those particular streets (i.e. Aenon Place, Diane Street) do not correlate with full- access locations identified in the TH 242 /CSAH 14 Access Management Study. Another option for future access to CSAH 14 would involve the combination of two access points into one access point. This option would combine the proposed development access with the existing school access on the north side of CSAH 14 which is located immediately east of the proposed access. This option is illustrated in Figure 6. Under this option, Woodduck Trail and the existing Nancy Drive access would be limited to right turn access in the future. This option warrants consideration for the following reasons: (1) it combines two separate full access points into one full access point, (2) it provides full access for higher volume cross streets as compared to the Woodduck Trail location, and (3) it provides full access for the school, which will assist in the routing of school buses. In regards to the geometry of the proposed access to CSAH 14, the County typically requires left and right turn lanes to be constructed for developments of this size. In our opinion, the left turn lane requirement could be omitted due to the following: • Consistency with existing local street intersection treatments along CSAH 14 and CSAH 23 in the project vicinity. • The future vision for CSAH 14 is a four -lane urban facility with left and right turn lanes at public intersections. If the combined access option is chosen, turn lanes would be constructed at that time in conjunction with the reconstruction of access approaches. • Existing commuter pattern to the east (source: TH 242 /CSAH 14 Access Management Study) Based on the above information, all options for access should be reviewed and studied in detail to determine the best access provisions for this particular area. connection School Close access ec•f :;ss• CSAH 14 area right ttarrl ;'r:cess OAKWOOD LAND DEVELOPMENT .rte Wenck Wenck Associates, Inc. 1800 Pioneer Creek Center Environmental Engineers Maple Plain, MN 55359 fV APPROXIMATE SCALE TRAFFIC STUDY FOR NATURE'S REFUGE RESIDENTIAL DEVELOPMENT IN LINO LAKES, MN 4 -3 0 200' FIGURE 6 RECOMMENDED ACCESS PLAN Pine Street Access Currently Pine Street is a low volume local road with aggregate surfacing. The County's access spacing guidelines for local roads are; 1/8 -mile (660 feet) for primary full movement intersections, no applicable guidance for conditional secondary intersections, and 1/2 -mile (2640 feet) signal spacing for a local roadway in an urbanizing area. The distance between the proposed development access and Zodiac Street NE is approximately 900 feet. The distance between the proposed access and CSAH 23 is approximately 3100 feet. The distance between the proposed access and 4th Avenue North is approximately 4100 feet. Based on these distances, the proposed access satisfies the spacing requirements applicable to local roads. Access Conclusions Based on the above information, cooperative effort between the County, City and developer is needed to arrive at a long term solution for the proposed access to CSAH 14. As proposed, the development access to CSAH 14 does not satisfy the County's current spacing requirements for a full- movement intersection. However, it does satisfy spacing requirements for the right- in/right- out operation. Another access option involves the combination of two access points into one full access intersection. Therefore, during planning for the upgrading of CSAH 14 to a four -lane divided urban facility, all options for access should be reviewed and studied in detail to determine the best access provisions for this particular area. 1 1 ' Q: Would adequate traffic operations be provided at the following intersections upon full completion of the proposed development? 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 • CSAH 14 /CSAH 23 • CSAH 14/4`h Avenue North • CSAH 23 /Pine Street • CSAH 14 /development access • Pine Street /development access To address this question, AM and PM peak hour capacity analyses, using the Highway Capacity Software (HCS), were completed for the 2006 Existing, 2011 No- Build, and 2011 Build scenarios. Analyses for the 2011 build scenario were completed using the geometry described in the Existing Conditions section. In addition, the geometry used in the analyses for the proposed access to CSAH 14 consists of one left -right turn lane on the north approach, one through lane and one right turn lane on the east approach, and one through -left turn lane on the west approach. The geometry used in the analyses for the proposed access to Pines Street consists of a left -right turn lane on the south approach, a through -left turn lane on the east approach, and a through -right turn lane on the west approach. Capacity analysis results are presented in terms of level of service (LOS), which ranges from A to F. LOS A represents the best intersection operation, with very little delay for each vehicle using the intersection. LOS F represents the worst intersection operation with excessive delay. Results of the capacity analyses are presented in Table 2 and Table 3. Table 2 Weekday A.M. Peak Hour Levels of Service 4 -5 Northbound Southbound Eastbound Westbound CR 23 /CR 14 LT TH RT LT TH RT LT TH RT LT TH RT 2006 B B B C C C C C B C C A 2011 no build C C B E E B E E B D D B 2011 build C C B F F B F F C E E B 2011 build signal control B B A B B A B B A C C A CR 23/Pine St LT TH RT LT TH RT LT TH RT LT TH RT 2006 A A - - A A B - B - - - 2011 no build A A - - A A B - B - - - 2011 build A A - - A A B - B - - - CR 14/4`n Ave LT TH RT LT TH RT LT TH RT LT TH RT 2006 B B B C C C A A A A A A 2011 no build C C C C C C A A A A A A 2011 build C C C C C C A A A A A A Pine St/access LT TH RT LT TH RT LT TH RT LT TH RT 2011 build A - A - - - - A A A A - CR 14 /access LT TH RT LT TH RT LT TH RT LT TH RT 2011 build - - - C - C A A - - A A 4 -5 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Table 3 Weekday P.M. Peak Hour Levels of Service As indicated in Table 2 and Table 3, adequate level of service will be provided at all intersections with the exception of the CSAH 14 /CSAH 23 intersection. The CSAH 14 /CSAH 23 intersection is approaching capacity under existing PM traffic volumes and is expected to experience level of service problems (i.e. excessive delay) during the PM peak period under the 2011 No -Build volumes. This difficulty will increase with 2011 Build volumes. During the AM peak period, this intersection is expected to approach capacity under 2011 No- Build volumes, and experience level of service problems under 2011 Build volumes. As part of this analysis, the peak hour traffic signal warrant requirements were reviewed for the study scenarios. Based on the un- factored warrant requirements, 2006 Existing, 2011 No- Build, and 2011 Build scenarios satisfy the peak hour volume warrant for the AM and PM peak hours. With a signal in- place, this intersection will function at LOS C or better. Traffic Operations Impacts for Lino Lakes Elementary School The school has two existing full movement access points on CSAH 14. The western access is signed for exiting movements only while the eastern access is used for both entering and exiting movements. The site is currently signed for east to west flow through the drop -off lane and the parking lot. As shown in Figure 6, the recommended access plan includes closure of the western access and the construction of a connection road to the proposed development roadway system. Under this plan, all school traffic would still enter at the east access point. Two options for exiting traffic are: 4 -6 Northbound Southbound Eastbound Westbound CR 23 /CR 14 LT TH RT LT TH RT LT TH RT LT TH RT 2006 E E B C C B C C B D D B 2011 no build F F C C C C E E B F F B 2011 build F F C D D C F F B F F B 2011 build signal control D D A B B A D D A C C A CR 23/Pine St LT TH RT LT TH RT LT TH RT LT TH RT 2006 A A - - A A B - B - - - 2011 no build A A - - A A B - B - - - 2011 build A A - - A A B - B - - - CR 14/4`h Ave LT TH RT LT TH RT LT TH RT LT TH RT 2006 C C C C C C A A A A A A 2011 no build D D D C C C A A A A A A 2011 build D D D C C C A A A A A A Pine St/access LT TH RT LT TH RT LT TH RT LT TH RT 2011 build A - A - - - - A A A A - CR 14 /access LT TH RT LT TH RT LT TH RT LT TH RT 2011 build - - - D - D A A - - A A As indicated in Table 2 and Table 3, adequate level of service will be provided at all intersections with the exception of the CSAH 14 /CSAH 23 intersection. The CSAH 14 /CSAH 23 intersection is approaching capacity under existing PM traffic volumes and is expected to experience level of service problems (i.e. excessive delay) during the PM peak period under the 2011 No -Build volumes. This difficulty will increase with 2011 Build volumes. During the AM peak period, this intersection is expected to approach capacity under 2011 No- Build volumes, and experience level of service problems under 2011 Build volumes. As part of this analysis, the peak hour traffic signal warrant requirements were reviewed for the study scenarios. Based on the un- factored warrant requirements, 2006 Existing, 2011 No- Build, and 2011 Build scenarios satisfy the peak hour volume warrant for the AM and PM peak hours. With a signal in- place, this intersection will function at LOS C or better. Traffic Operations Impacts for Lino Lakes Elementary School The school has two existing full movement access points on CSAH 14. The western access is signed for exiting movements only while the eastern access is used for both entering and exiting movements. The site is currently signed for east to west flow through the drop -off lane and the parking lot. As shown in Figure 6, the recommended access plan includes closure of the western access and the construction of a connection road to the proposed development roadway system. Under this plan, all school traffic would still enter at the east access point. Two options for exiting traffic are: 4 -6 • Allow exiting traffic to flow back to the east access point through the parking lot. The existing parking lot drive aisle is wide enough for safe two way traffic flow, which would allow exiting traffic the opportunity to exit at the same location where they entered the site. • Exit to the proposed development roadway system and then access CSAH 14 at the new proposed access location. For the latter option, further investigation was completed to determine how the new access would operate with both residential and school traffic volumes. School district staff indicated there are approximately 435 students at the Lino Lakes elementary school. School district staff also indicated that approximately 375 of the students are bussed to school each day. The remaining 60 students are dropped off and picked up by a parent. This results in approximately 60 passenger cars and 10 school busses accessing the site to drop off or pick up students in both the morning and afternoon. The elementary school day starts at 9:15 AM, with bus drop -off occurring between 9:00 and 9:10 AM. The school day ends at 3:30 PM, with the buses departing at 3:40 PM. As noted earlier in this report, the weekday AM peak hour for the surrounding roadway system is 7:00 to 8:00 AM and the PM peak hour is 4:30 to 5:30 PM. Therefore, the vast majority of school traffic occurs at times other than either peak hour. During the AM peak hour, which ends one full hour before students are dropped off, very few school trips would occur. A similar time difference occurs for the PM peak hour. Even if 50 percent of the school traffic exited during the peak hours, which is very unlikely considering the time difference, all movements at the CSAH 14 intersection with the proposed access point operate at the same levels of service as shown in Tables 2 and 3. During both the AM and PM peak hours, the maximum expected queue length is 50 feet on the southbound approach. Therefore, the intersection is expected to operate in an acceptable manner in the 2011 Build condition. 5.0 Conclusions and Recommendations Based on the information presented in this report, we have established the following basic conclusions: • Upon full completion of the Nature's Refuge residential development, adequate traffic operations will be provided at the proposed development access locations and the following studied intersections: • CSAH 14/4`" Avenue North • CSAH 23 /Pine Street • CSAH 14 /development access • Pine Street /development access • Analysis indicates that the CSAH 14 /CSAH 23 intersection is currently approaching capacity and will experience excessive delays under the 2011 No -Build traffic volumes. These delays will increase upon the addition of the proposed development traffic. As described in the report, the peak hour volume signal warrant is satisfied during the AM and PM peak hours for all scenarios. Under traffic signal operation and existing geometry, the intersection will operate at LOS C or better. We recommend that the feasibility of installing a signal be further investigated through the completion of a full signal justification report. • A cooperative effort between the County, City and developer is needed to arrive at a long term solution for the proposed access to CSAH 14. As proposed, the development access to CSAH 14 does not satisfy the County's current spacing requirements for a full - movement intersection. However, it does satisfy spacing requirements for the right - in/right -out operation. Another access option involves the combination of two access points into one full access intersection. Therefore, during planning for the upgrading of CSAH 14 to a four -lane divided urban facility, all options for access should be reviewed and studied in detail to determine the best access provisions for this particular area. ATTACHMENT C (Archeological Survey Report) PHASE I ARCHAEOLOGICAL SURVEY AND ARCHITECTURAL HISTORY ASSESSMENT FOR THE NATURE'S REFUGE DEVELOPMENT, LINO LAKES, ANOKA COUNTY, MINNESOTA Submitted to: Oakwood Land Development Submitted by: The 106 Group Ltd. May 2006 PHASE I ARCHAEOLOGICAL SURVEY AND ARCHITECTURAL HISTORY ASSESSMENT FOR THE NATURE'S REFUGE DEVELOPMENT, LINO LAKES, ANOKA COUNTY, MINNESOTA SHPO File Number: Pending The 106 Group Project Number: 06 -17 Submitted to: Oakwood Land Development 1611 Highway 10 NE Spring Lake Park, MN 55432 Submitted by: The 106 Group Ltd. The Dacotah Building 370 Selby Avenue St. Paul, MN 55102 Report Authors: Katherine A. Guidi, M.A. and William E. Stark, M.A. May 2006 Nature's Refuge Development Phase I Archaeological Survey and Architectural History Assessment Page i MANAGEMENT SUMMARY During May of 2006, The 106 Group Ltd. (The 106 Group) conducted a Phase I archaeological survey and architectural history assessment for the Nature's Refuge Development project. The proposed project consists of the construction of 278 residential houses on varying sized lots surrounded by a nature conservation area. The survey was conducted under contract with Oakwood Land Development. The project will require completion of an Environmental Assessment Worksheet (EAW). This report is intended to provide preliminary cultural resources information for completion of the EAW and to assist in future compliance requirements under federal and state law. Furthermore, this project will require a United States Army Corps of Engineers (USACE) wetland permit and, therefore, must comply with Section 106 of the National Historic Preservation Act of 1966, as amended. Because there is federal involvement in this project, consultation with and between the USACE and Minnesota State Historic Preservation Office (SHPO) will be required. The project is located in the east 1/2 of Section 5, Township 31N Range 22W, City of Lino Lakes, Anoka County, Minnesota. Due to the proximity of the project area to the Rice Creek Chain of Lakes Archaeological District, a Phase I archaeological investigation was deemed necessary. The purpose of the Phase I archaeological investigation was to determine whether the project area contains previously recorded or unrecorded intact archaeological resources that may be potentially eligible for listing on the National Register of Historic Places (NRHP). The purpose of the architectural history assessment was to identify any historic buildings or structures within the project area of the Nature's Refuge Development project that require further investigation in order to determine their potential eligibility for listing on the National Register of Historic Places (NRHP) and to eliminate those properties that are clearly not eligible. The area of potential effect (APE) for archaeology is the same as the project area and includes all areas of proposed construction activities or other potential ground disturbing activities associated with construction of the Nature's Refuge Development. The Phase I archaeological investigation consisted of a review of documents of previously recorded sites within one mile (1.6 kilometers) of the project area and of previously conducted surveys within the project area, as well as a Phase I archaeological field survey to identify any intact archaeological sites within the APE. The archaeological survey consisted of a visual reconnaissance of the entire project area to identify areas of high potential for containing intact archaeological sites and shovel testing in high potential areas with poor ground surface visibility. The project area includes approximately 240 acres (97 hectares) within the Anoka Sand Plain, Undulating archaeological sub - region. Due to the high water table, standing water and the lack of topographically prominent features, only one acre (0.4 hectares) of the 240 acres (97 hectares) was archaeologically tested. K. Anne Ketz, M.A., RPA, served as Principal Investigator for archaeology. Nature's Refuge Development Phase I Archaeological Survey and Architectural History Assessment Page ii The study area for architectural/historical properties included all properties located within the project area. Should the project be altered from the present proposal, the study area for architectural history will need to be adjusted as appropriate. The architectural history assessment included background research and a visual reconnaissance of the survey area. William E. Stark, M.A. served as Principal Investigator for architectural history. During the Phase I archaeological survey for the Nature's Refuge Development project, no archaeological materials were identified. Therefore, The 106 Group recommends no further testing within the current project area. The 106 Group identified three buildings within the project area older than 45 years of age. Three houses were constructed in the 1960s and one house is believed to be a circa - 1900 farmhouse, but has been significantly altered by modern modifications. The properties have low potential to be eligible for listing on the NRHP. Nature's Refuge Development Phase I Archaeological Survey and Architectural History Assessment Page iii TABLE OF CONTENTS MANAGEMENT SUMMARY LIST OF TABLES iv 1.0 INTRODUCTION 1 2.0 METHODS 4 2.1 OBJECTIVES 4 2.2 BACKGROUND RESEARCH 4 2.3 ARCHAEOLOGICAL FIELD METHODS 4 2.3.1 Shovel Testing 5 2.4 ARCHITECTURAL HISTORY METHODS 5 3.0 LITERATURE SEARCH 6 3.1 PREVIOUS ARCHAEOLOGICAL STUDIES 6 3.2 PREVIOUS ARCHITECTURAL HISTORY INVESTIGATIONS 6 3.3 ENVIRONMENTAL HISTORY OVERVIEW 6 4.0 RESULTS 8 4.1 ARCHAEOLOGY 8 4.1.1 Work Summary 8 4.1.2 Results 8 4.2 ARCHITECTURAL HISTORY 10 5.0 RECOMMENDATIONS 13 REFERENCES CITED 14 APPENDIX A: PHOTOGRAPHS OF ARCHITECTURAL HISTORY PROPERTIES APPENDIX B: PROJECT PERSONNEL Nature's Refuge Development Phase I Archaeological Survey and Architectural History Assessment Page iv LIST OF FIGURES FIGURE 1. PROJECT LOCATION 2 FIGURE 2. ARCHAEOLOGICAL TEST LOCATIONS 9 FIGURE 3. ARCHITECTURAL HISTORY RESULTS 12 LIST OF TABLES TABLE 1. PREVIOUSLY IDENTIFIED ARCHAEOLOGICAL SITES WITHIN ONE MILE OF THE PROJECT AREA 6 TABLE 2. PROPERTIES 45 YEARS IN AGE OR OLDER WITHIN STUDY AREA 11 Nature's Refuge Development Phase I Archaeological Survey and Architectural History Assessment Page 1 1.0 INTRODUCTION During May of 2006, The 106 Group Ltd. (The 106 Group) conducted a Phase I archaeological survey and architectural history assessment for the Nature's Refuge Development project. The proposed project consists of the construction of 278 residential houses on varying sized lots surrounded by a nature conservation area. The survey was conducted under contract with Oakwood Land Development. The project will require completion of an Environmental Assessment Worksheet (EAW). This report is intended to provide preliminary cultural resources information for completion of the EAW and to assist in future compliance requirements under federal and state law. Furthermore, this project will require a United States Army Corps of Engineers (USACE) wetland permit and, therefore, must comply with Section 106 of the National Historic Preservation Act of 1966, as amended. Because there is federal involvement in this project, consultation with and between the USACE and Minnesota State Historic Preservation Office (SHPO) will be required. The project is located in the E 1/2 of Section 5, Township 31N Range 22W, City of Lino Lakes, Anoka County, Minnesota (Figure 1). The UTM coordinates for the project area are Zone 15, northeast corner: E 492077 N 5006163; southeast corner: E 491990 N 5005113; southwest corner: E 491227 N 5004607; and northwest corner: E 491262 N 5005792. All UTM coordinates were obtained electronically through the use of Topozone (http: / /www.topozone.com). The purpose of the Phase I archaeological investigation was to determine whether the project area contains previously recorded or unrecorded intact archaeological resources that may be potentially eligible for listing on the National Register of Historic Places (NRHP). The purpose of the architectural history assessment was to identify any historic buildings or structures within the study area of the Nature's Refuge Development project that require further investigation in order to determine their potential eligibility for listing on the NRHP and to eliminate those properties that are clearly not eligible. Due to the proximity of the project area to the Rice Creek Chain of Lakes Archaeological District, a Phase I archaeological investigation was deemed necessary. The area of potential effect (APE) for archaeology is the same as the project area and includes all areas of proposed construction activities or other potential ground disturbing activities associated with construction of the Nature's Refuge Development (Figure 1). The Phase I archaeological investigation consisted of a review of documents of previously recorded sites within one mile (1.6 kilometers) of the project area and of previously conducted surveys within the project area, as well as a Phase I archaeological field survey to identify any intact archaeological sites within the APE. The archaeological survey consisted of a visual reconnaissance of the entire project area to identify areas of high potential for containing intact archaeological sites and shovel testing in high potential areas with poor ground surface visibility. The project area includes approximately 240 acres (97 hectares), ` �zzyyyN••WrN • HENN r . r ANOK 11� i T ••!• 3L • • p • S • 1� • K.. • : a WASH RAMS / €l: Source: USGS Quadrangles. 7.5 Minute Series. Circle Pines, MN 1967; Centerville, MN 1967.; SHPO 21 M0.1111 .ti CRF.E i_ pair. it! 1 Nature's Refuge Development Project Phase I Archaeological Survey and Architectural History Assessment Anoka County, Minnesota 0 0.25 0.5 0.75 1 Miles Key O Project Location C Archaeology Study Area (One Mile) ® Previously Recorded Archaeological Site Project Location Figure 1 Nature's Refuge Development Phase I Archaeological Survey and Architectural History Assessment Page 3 within the Anoka Sand Plain, Undulating archaeological sub - region. Due to the high water table, standing water and the lack of topographically prominent features, only one acre (0.4 hectares) of the 240 acres (97 hectares) was tested. K. Anne Ketz, M.A., RPA, served as Principal Investigator for archaeology. The study area for architectural/historical properties included all properties located within the project area. Should the project be altered from the present proposal, the study area for architectural history will need to be adjusted as appropriate. The architectural history assessment included background research and a visual reconnaissance of the survey area. William Stark, M.A. served as Principal Investigator for architectural history. The following report describes project methodology, environmental setting, previous investigations, results, and recommendations for the Nature's Refuge Development project area. Because no archaeological resources were encountered during the survey, the inclusion of contexts would be extraneous to the report; therefore, none are presented here. Nature's Refuge Development Phase I Archaeological Survey and Architectural History Assessment Page 4 2.0 METHODS 2.1 OBJECTIVES The primary objective of the Phase I archaeological investigation was to determine whether the project area contains previously recorded or unrecorded intact archaeological resources that may be potentially eligible for listing on the NRHP. All work was conducted in accordance with the SHPO Guidelines for Archaeological Projects in Minnesota (Anfinson 2001) and The Secretary of the Interior's Standards and Guidelines for Archeology and Historic Preservation [48 Federal Register 44716 - 44740] (National Park Service 1983). The objective of the architectural history assessment was to identify any historic buildings or structures within the study area of the Natures Refuge Development project that require further investigation in order to determine their potential eligibility for listing on the National Register of Historic Places (NRHP) and to eliminate those properties that are clearly not eligible. 2.2 BACKGROUND RESEARCH On April 28 of 2006, prior to the start of the field survey, staff from The 106 Group conducted background research at the SHPO for information on previously identified archaeological sites or architectural/historical properties within one mile (1.6 km) of the project area and on surveys previously conducted within the project area. In addition, USGS topographic quadrangles, historical plat maps, aerial photographs, and data on project soils were reviewed in order to assess the portions of the project area that possessed a higher potential for containing archaeological sites. 2.3 ARCHAEOLOGICAL FIELD METHODS Intensive field investigation focused on areas assessed as having a greater probability to contain significant archaeological sites. These areas included undisturbed portions of the project area: • within 500 feet (ft.) (150 meters [m]) of an existing or former water source of 40 acres (19 hectares) or greater in extent, or within 500 ft. (150 m) of a former or existing perennial stream; • located on topographically prominent landscape features; • located within 300 ft. (100 m) of a previously reported site; or • located within 300 ft. (100 m) of a former or existing historic structure or feature (such as a building foundation or cellar depression). Areas assessed as having a relatively low potential for containing archaeological resources included inundated areas, former or existing wetland areas, poorly drained areas, and areas with a 20 percent or greater slope. Low potential areas and areas in Nature's Refuge Development Phase I Archaeological Survey and Architectural History Assessment Page 5 which Holocene (less than 10,000 years old) deposits have been significantly disturbed were excluded from intensive field survey. 2.3.1 Shovel Testing Shovel tests were excavated in areas exhibiting greater potential to contain intact archaeological deposits where less than 25 percent of the ground surface was visible. Tests were small, circular excavations, measuring approximately 35 to 45 centimeters (cm) in diameter. A 15 — 30 m (50 — 100 ft.) testing interval was employed for shovel tests, with test transects placed 15 m (50 ft.) apart. All excavated soil matrices were passed through % -inch hardware mesh to ensure the consistent recovery of artifacts. Tests were excavated down to the C horizon, the level of culturally sterile subsoil, or the water table. Survey data were recorded through standardized forms and the field director's daily log. Recorded information included: test locations and methods of testing; the numbers, types and locations of recovered cultural materials; the depth of shovel tests and the thickness of excavated soil layers; soil textures and inclusions (both natural and cultural); and soil color according to Munsell® color charts. 2.4 ARCHITECTURAL HISTORY METHODS During the field survey, the field surveyors completed an inventory of the buildings and structures within the project area in order to identify properties that appeared to be 45 years of age or older. Those resources were photographed and assessed for historical integrity. Along with professional field observations, the Anoka County tax assessor's office web site database was used to determine the approximate date of construction. Nature's Refuge Development Phase I Archaeological Survey and Architectural History Assessment Page 6 3.0 LITERATURE SEARCH 3.1 PREVIOUS ARCHAEOLOGICAL STUDIES Research indicated that no archaeological surveys have been conducted within the project area. No sites have been recorded (confirmed), and no sites have been reported (not field checked) within the current project area. One site had been recorded (confirmed), and no sites have been reported (not field checked) within one mile of the project area (see Table 1). In 1977, an artifact scatter (21AN110) was identified. This site is located on a blow -out on a high, level area northwest of George Watch Lake. A surface inspection was conducted in the blow -out area and no shovel tests were excavated at the site. Three flakes were recovered from 21AN110, two chert and one quartzite. No ceramics were recovered. (Minnesota Archaeological Site File, 21AN110, on file at the SHPO). TABLE 1. PREVIOUSLY IDENTIFIED ARCHAEOLOGICAL SITES WITHIN ONE MILE OF THE PROJECT AREA Site No. Site Name T R S '/ Section Description 21AN110 N/A 31N 22W 8 SW, NW, SE, SE Lithic Scatter 3.2 PREVIOUS ARCHITECTURAL HISTORY INVESTIGATIONS Research indicated that no architectural history surveys have been conducted within the project area and no previously recorded architectural history properties are located within the project area. 3.3 ENVIRONMENTAL HISTORY OVERVIEW The Nature's Refuge Development project area is located in Section 5, Township 31N, Range 22W, City of Lino Lakes, Anoka County, Minnesota. The housing development will be constructed in a low - lying, relatively flat wooded area adjacent to a wetland. Geologically, the project area lies within the Anoka Sand Plain, Undulating geomorphic region. The project area is situated within the SSPL soil landscape unit, described as sandy over sandy, poorly drained, light colored soils. The SSPL soil landscape unit makes up approximately two percent of the Anoka Sand Plain, Undulating geomorphic region (Agricultural Experiment Station 1977). Nature's Refuge Development Phase I Archaeological Survey and Architectural History Assessment Page 7 The soil associations for the project area include the Zimmerman- Isanti -Lino association and the Rifle - Isanti association. The Zimmerman - Isanti -Lino association is found on nearly level to undulating, excessively drained, somewhat poorly drained and very poorly drained soils that are dominated by fine sands throughout (Agricultural Experiment Station 1977). The Rifle -Isanti Association is found on nearly level, very poorly drained soils formed in organic material and fine sand (Agricultural Experiment Station 1980). Nature's Refuge Development Phase I Archaeological Survey and Architectural History Assessment Page 8 4.0 RESULTS 4.1 ARCHAEOLOGY 4.1.1 Work Summary Staff from The 106 Group conducted a Phase I archaeological survey of the Nature's Refuge Development project area from May 2 to May 3, 2006. K. Anne Ketz, M.A., RPA, served as Principal Investigator. Katherine A. Guidi, M.A. served a Field Supervisor and conducted the fieldwork with Christopher Moose, B.S., and Ayla Aymond, B.A. Field methods included an initial visual reconnaissance of the entire project area to assess areas of archaeological potential, followed by shovel testing in areas with low - visibility that were assessed as having a high probability to contain intact archaeological resources. Field conditions presented a less than 15 percent surface visibility over a low- lying, relatively flat, wooded area adjacent to a wetland. There were also various low -lying areas filled with standing water or deep mud. Approximately 239 acres (96.7 hectares) were determined to have low archaeological potential due to the high water table, standing water and/or lack of topographical prominence. Three areas within the project area were determined to have high potential for archaeological resources based on higher elevation in conjunction to their vicinity to standing water (Figure 2). For ease of reference, those portions of the project area that were considered to have high potential for containing intact archaeological resources, and were therefore subject to shovel testing, were designated Survey Areas A, B, and C (Figure 2). The three areas of high archaeological potential encompassed approximately one acre (0.4 hectares). All three areas are located in a cleared grassy area in the approximate center of the project area adjacent to a wetland. A total of 28 shovel tests were excavated in the three areas, the results of which are discussed individually below. 4.1.2 Results A total of 28 shovel tests were excavated in the three areas of high archaeological potential; however, no archaeological sites were identified within the project area. Area A was comprised of two transects placed at 15 m (50 ft.) intervals. Thirteen shovel tests were excavated in this 0.5 -acre (0.2 hectares) area. The shovel tests were excavated to an average depth of 65 centimeters below surface (cmbs), and showed uniformity in soil composition. The A horizon was a dark brown to dark yellowish brown (10YR 3/3 — 10YR 3/6) sandy loam, which overlaid the heavily mottled B horizon with a general matrix of dark yellowish brown to light yellowish brown (10YR 4/4 — 10YR 6/4) sand mottled with a brown (7.5YR 4/4) sand and a light gray (10YR 7/2) sand. The C horizon was not encountered in any of the shovel tests in Area A due to the high water table. Source: Farm Services Administration (FSA) Color Orthophotos 2003 -2004; The 106 Group Field Notes Nature's Refuge Development Project Phase I Archaeological Survey and Architectural History Assessment Anoka County, Minnesota 0 0.09 0.18 0.27 0.36 i Miles Archaeological Test Locations Key D Project Location o Archaeological Test Locations Figure 2 Nature's Refuge Development Phase I Archaeological Survey and Architectural History Assessment Page 10 The water table was encountered in twelve of the shovel tests at an average depth of 56 cmbs. No archaeological materials were encountered in Area A. Area B encompassed three transects placed at 15 m (50 ft.) intervals. Nine shovel tests were excavated in this 0.3 -acre (0.1 hectare) area. The shovel tests were excavated to an average depth of 97 cmbs, and showed uniformity in soil composition. The A horizon was a dark yellowish brown to a dark grayish brown (10YR 3/6 — 10YR 4/2) sandy loam, which overlaid the B horizon of a yellowish brown to light yellowish brown (10YR 5/4 — 10YR 6/4) sand. The C horizon was not encountered in any of the shovel tests in Area B due to the high water table. The water table was encountered in two of the shovel tests at an average depth of 85 cmbs. No archaeological materials were encountered in Area B. Area C encompassed three transects placed at 15 m (50 ft.) intervals. Six shovel tests were excavated in this .2 -acre (.1 hectare) area. The shovel tests were excavated to an average depth of 87 cmbs, and showed uniformity in soil composition. The A horizon was a brown to dark yellowish brown (10YR 4/3 — 10YR 4/4) sandy loam, which overlaid the B horizon of light brownish gray (10YR 6/2) sand mottled with a dark yellowish brown (10YR 4/4) sand. The C horizon was encountered in two of the shovel tests and had a general matrix of a light brownish gray (10YR 6/2) sand mottled with a brown (7.5YR 4/4) sand and a light gray (10YR 7/2) sand. The water table was encountered in five of the shovel tests at an average depth of 79 cmbs. No archaeological materials were encountered in Area C. 4.2 ARCHITECTURAL HISTORY The 106 Group identified four properties within the project area that are 45 years in age or older (Figure 3; Table 2). All of the properties in the project area are residential, comprised of single - family houses. One house (Field No. 1) was constructed in 1900 according to the Anoka County tax assessor web site. Historical plat maps dating to 1914 (Webb) illustrate a structure near that location on the 160 -acre parcel owned by Rich Gibbs. Although this house may be associated with that farm, it has since been significantly altered by the application of vinyl siding, replacement and re- sizing of windows, and the removal of all original architectural details. The three remaining houses were constructed in the 1960s and exemplify both the architectural styles of tract housing and the pattern of exurban settlement during that period. All of the properties located within the project area have low potential to be eligible for listing on the NRHP. Photographs of the properties are located in Appendix A. 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Nature's Refuge Development Phase I Archaeological Survey and Architectural History Assessment Page 11 TABLE 2. PROPERTIES 45 YEARS IN AGE OR OLDER WITHIN STUDY AREA Field No. Address Number of Buildin s g Building Types Dates (Estimated) Recommended for Further Study? 1 601 Main 2 Two -story, side - gabled house; garage c. 1900 No 2 625 Main 1 One -story, hipped -roof house 1961 No 3 635 Main 1 One - and -a- half -story, split -level house 1961 No 4 697 Main 1 One -story, hipped -roof house 1963 No Source: USGS Quadrangles. 7.5 Minute Series. Circle Pines, MN 1967; Centerville, MN 1967.; SHPO Nature's Refuge Development Project Phase I Archaeological Survey and Architectural History Assessment Anoka County, Minnesota 0 0.1 0.2 0.3 0.4 Miles Key O Project Location Architectural History Results Figure 3 Nature's Refuge Development Phase I Archaeological Survey and Architectural History Assessment Page 13 5.0 RECOMMENDATIONS During May of 2006, The 106 Group conducted a Phase I archaeological survey and architectural history assessment for the Nature's Refuge Development project. The proposed housing development project area encompassed 240 acres (97 hectares), of which one acre (0.4 hectares) was tested for archaeological resources. Shovel testing was performed within three identified areas of high archaeological potential. A total of 28 shovel tests were excavated to an average depth of 83 cmbs, but no archaeological materials were recovered. Based on the lack of archaeological materials found within the surveyed areas, no further archaeological work is recommended prior to construction of the proposed project. The 106 Group identified three buildings within the project area older than 45 years of age. Three houses were constructed in the 1960s and one house is believed to be a circa - 1900 farmhouse, but has been significantly altered by modern modifications. The properties have low potential to be eligible for listing on the NRHP. Nature's Refuge Development Phase I Archaeological Survey and Architectural History Assessment Page 14 REFERENCES CITED Agricultural Experiment Station 1977 Soil Survey of Anoka County, Minnesota. Agricultural Experiment Station, University of Minnesota, St. Paul. 1980 Minnesota Soil Atlas: Stillwater Sheet. Miscellaneous Report #171. Agricultural Experiment Station, University of Minnesota, St. Paul. Anfinson, Scott F. 2001 SHPO Guidelines for Archaeological Projects in Minnesota. State Historic Preservation Office, St. Paul. Foote, C. M. 1887 Map of Ramsey and Washington Counties with adjacent parts of Anoka, Dakota, & Hennepin Counties, and parts of St. Croix and Pierce Counties, Wisconsin. Minneapolis. National Park Service 1983 Secretary of the Interior's Standards and Guidelines for Archeology and Historic Preservation. Federal Register 48(190): 44716- 44740. Webb Publishing Company 1914 Atlas and farmers' directory of Anoka County and the eleven northern townships of Hennepin County, Minnesota. St. Paul. Nature's Refuge Development Phase I Archaeological Survey and Architectural History Assessment APPENDIX A: PHOTOGRAPHS OF ARCHITECTURAL HISTORY PROPERTIES 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Nature's Refuge Development Phase I Archaeological Survey and Architectural History Assessment Property 1, 601 Main Street Property 2, 625 Main Street Nature's Refuge Development Phase I Archaeological Survey and Architectural History Assessment Property 3, 635 Main Street Property 4, 697 Main Street Nature's Refuge Development Phase I Archaeological Survey and Architectural History Assessment APPENDIX B: PROJECT PERSONNEL Principal Investigators Archaeology Architectural History Project Manager Field Supervisor Field Archaeologists Graphics and GIS Nature's Refuge Development Phase I Archaeological Survey and Architectural History Assessment LIST OF PERSONNEL K. Anne Ketz, M.A., RPA William E. Stark, M.A. Jennifer Bring, B.A. Katherine A. Guidi, M.A. Christopher Moose, B.S. Ayla Aymond, B.A. Matthew Schillerberg • • • WS -3 WORK SESSION STAFF REPORT Work Session Item No. 3 Date: Council Work Session, October 2, 2006 To: City Council From: Gordon Heitke Re: Request for Exception from City Code Background City staff has received a request to grant an exception from Section 402.02 of the City Code to not require the connection of Old St. Joes Church to the city sewer system. A copy of the request with reasons is attached. It has been explained to staff that the restored building will be used for special events such as weddings. Staff finds that the proposed use of the facility, which includes human occupancy and human use of the building, does not meet the grounds for exemption by the council as allowed for in Section 402.02, first paragraph. Mr. Brausen has also inquired as to whether the code could be amended to accomplish his request. At this time staff has no recommendation for amendment of this section of the code. Requested Council Direction Staff is seeking direction from the City Council as to whether it will consider action to exempt the Old St. Joes Church building from the sewer connection requirement of Section 402.02 of the City Code, or whether the Council wishes to consider amending this section of the code to accomplish the request. Attachments 1. Letter of Request from Theodore S. Brausen 2. Excerpt from City Code, Section 402.02 • • • Ted Brausen 6763 Timberwolf Trail Lino Lakes, MN 55038 Gordon Heitke City Administrator 600 Town Center Parkway Lino Lakes, MN 55014 Dear Mr. Heitke, After speaking with your staff regarding the issues with the renovation of Old St. Joes Church, I am asking for you to make an exception to the ordinance with special circumstances allowing us to install a storage tank for the sewer system. While talking with your staff, it is my understanding that if it is ok with the State; it is left up to the discretion of Lino lakes to allow us to install it. The renovation of this historical building has been done by volunteers using limited funds that have been donated for portions of the project we could not possibly do ourselves. This building was built in 1896 and is considered the oldest building in this city. We have restored it to the original design with the exception of a functional indoor restroom. The reason I am asking for special circumstances is that the bathroom may only used but once a month. Estimated costs for city sewer are over $30,000.00. A storage tank would be considerably less and would also allow us to have it or the labor to install it donated. The volunteers of Old St. Joes will be most grateful if you would give our cause special consideration. Sincerely, Theodore S. Brausen • • • 402. Sanitary Sewer System 402.01 General Operation. The city municipal sanitary sewer system shall be operated as a public utility and convenience from which revenues will be derived, subject to the provisions of this section. 402.02 Connections with Sewer Required. Any buildings used for human habitation or for human occupancy, including all business buildings, unless specifically exempted by the council on the grounds that no human beings occupy or use such buildings and no sewage wastes are generated therein, located on property adjacent to a sewer main, or in a block through which the system extends, shall be shall be required to petition for sanitary sewer service and to connect thereto when their present on -site sewage system fails. The owner of such property shall pay all assessments for sanitary sewer in accordance with Lino Lakes assessment policies. No permits will be granted for reconstruction or existing on -site systems when city sanitary sewer service is available to such property. Agricultural buildings hereafter constructed within the city on property adjacent to a sewer main or in a block through which the system extends, shall be provided with a connection to the municipal sanitary sewer system for the disposal of all human wastes. If water service is also available to the property, a petition for and a connection to the water system shall also be required and the owner of such property shall pay all assessments in accordance with the Lino Lakes assessment policies. (402.02 was amended by Ordinance No. 07 - 92 passed May 11, 1992) 402.03 Supervision. The city plumbing inspector shall supervise all house sewer connections made to the municipal sanitary sewer system and all excavations for the purpose of installing or repairing the same and all persons doing or causing such work to be done shall notify the city of the schedule for such work to allow for supervision. 402.04 Permits, Licenses, Fees, Bond and Insurance. Subdivision 1. Application. Any person desiring to make connection to the municipal sanitary sewer system shall apply to the city for a permit for such connection. The application shall be submitted on blanks furnished by the city and shall be accompanied by plans, specifications and such other information as is required by the city to evaluate the application, together with a permit and inspection fee of $75.00. All costs and expenses incident to the installation and connection shall be borne by the owner and the owner shall indemnify the city for any loss or damage that may, directly or indirectly, be occasioned by the installation of the sewer connection including restoring streets and street surfaces. 84 • Memorandum Date: September 7, 2006 To: Stephanie McNamara From: Gordon Heitke Re: VLAWMO JPA The Lino Lakes City Council discussed the VLAWMO draft joint powers agreement at its September 6 work session. As you may recall, the Council has had three areas of concern in the past — a lack of a water management plan, ongoing governance issues and discussions which seem to divert the focus of the agency from its water resource management purpose, and a lack of funding necessary to support a more effective agency work plan. While a draft water plan has been completed and the draft JPA attempts to resolve some of the past governance issues, the City Council is very concerned that the inadequate funding problem remains unsolved. Therefore, the past position of the Lino Lakes City Council that the VLAWMO should be merged with the Ramsey - Washington Metro Watershed District remains unchanged. Should the VLAWMO be continued and the City of Lino Lakes remain a member, the City requests that the term of the new JPA be two years and that within the two year period, the source of funding future annual operating budgets be changed from contributions by each member government unit to a VLAWMO special tax levy or a VLAWMO storm water utility fee. • • STAFF ORIGINATOR: CITY COUNCIL MEETING DATE: TOPIC: VOTE REQUIRED: AGENDA ITEM 6E Michael Grochala, October 9, 2006 Consideration of Resolution No. 06 -161, Approving Request for Payment from Municipal Turnback Account (Former Trunk Highway 49) Simple Majority BACKGROUND: In 1996 the City Council entered into an agreement with the State of Minnesota providing for a portion of Trunk Highway 49 to be turned back to the City. Approximately .28 miles of the roadway (4th Avenue from Lilac to the entrance of the Minnesota Correctional Facility) was transferred to City jurisdiction. The roadway is now part of the City's Municipal State Aid System (MSAS). Under State requirements the City is eligible to receive state aid reimbursement for reconstruction of the roadway or accept a lump sum payment. Eligibility for Turn Back proceeds terminates within 15 years of the local jurisdictions acceptance of the roadway. This segment of 4th Avenue is listed within the "Good" Category (Highest Category) of the City's Pavement Management Program. Based on the roadway condition rating there is no need to reconstruct 4th Avenue within the next five years. The City is currently eligible to receive a lump sum payment in the amount of $955,404.00. Funds provided by the payment originate from the Minnesota Highway Users Tax Distribution Fund. These funds are for use by the City on the state aid system. The City has several higher priority State Aid street needs, including the 35W /Lake Drive Interchange, where these funds can be used. 4th Avenue will remain on the City's State Aid System and is still eligible for funding from the City's State Aid account in future years. RECOMMENDATION: Staff recommends adoption of Resolution No. 06 -161 Approving request for payment from the Municipal Turnback Account. ATTACHMENTS • 1. Resolution No. 06 -161 2. Municipal Turnback Account Agreement • Council Member introduced the following resolution and moved its adoption: • • CITY OF LINO LAKES RESOLUTION NO. 06 -161 RESOLUTION APPROVING REQUEST FOR PAYMENT FROM THE MUNCIPAL TURNBACK ACCOUNT (FORMER TRUNK HIGHWAY 49) WHEREAS, a portion of State Trunk Highway 49 (4th Avenue from Lilac to the entrance of the Minnesota Correctional Facility) was turned back to the City of Lino Lakes in 1996; and WHEREAS, the City is eligible to receive a cash payment in lieu of reconstructing the portion of roadway at this time, and WHEREAS, this segment of 4th Avenue is listed within the "Good" Category (Highest Category) of the City's Pavement Management Program. Based on the roadway condition rating there is no need to reconstruct 4th Avenue within the next five years, and WHEREAS, these funds are for use by the City on the state aid system. The City has several higher priority State Aid street needs where these funds can be used. NOW, THEREFORE, BE IT RESOLVED BY THE CITY COUNCIL OF THE CITY OF LINO LAKES, MINNESOTA: 1. Hereby approves the request for payment from the Municipal Turnback Account for former Trunk Highway 49 in the amount of $955,404.00, and 2. Authorizes staff to execute the necessary agreements on behalf of the City. John J. Bergeson, Mayor Julianne Bartell, City Clerk Adopted by the Lino Lakes City Council this 9th day of October, 2006. The motion for the adoption of the foregoing resolution was duly seconded by Council Member and upon vote being taken thereon, the following voted in favor thereof: The following voted against same: Whereupon said resolution was declared duly passed and adopted. • STATE AID FOR LOCAL TRANSPORTATION MUNICIPAL TURNBACK ACCOUNT IN LIEU PAYMENT AGREEMENT STATE OF MINNESOTA DEPARTMENT OF TRANSPORTATION Request In for Lieu Payment from the Municipal Turnback Account SAP 210 - 035 -01 MSAS No. 103 LOCATION: 4th Avenue North from Lilac Street to Minnesota Correctional Facility -Lino Lakes entrance. The City of Lino Lakes requests a lump sum payment from the Municipal Turnback Account in lieu of contracting work per Minnesota Rules, Chapter 8820, State -Aid Operations, 8820.2300, Subpart 6a, In Lieu Payment. The City requests a lump sum payment of Municipal Turnback Account funds in the amount of 955,404.00 dollars. City Engineer Date Agency MunicipaforCounty Tumback Account In Lieu Payment Request 9 /19 /2006Page 1 of 2 • PAYMENT SCHEDULE 2006 $955,404.00 BASIS OF PAYMENT —WORK SCOPE and ESTIMATES The scope of work eligible to receive Municipal Turnback Account funds is the basis for the payment amount. The amount of the payment includes the estimated 2006 construction, engineering, and right of way cost for the project scope described below. 4th Avenue North from Lilac Street to Minnesota Correctional Facility- Lino Lakes entrance: urban improvement, reconstruction from rural section to state aid standard urban street. MUNICIPAL TURNBACK ACCOUNT ELIGIBILITY Municipal Turnback Account (MTB) eligibility for the route segment described in this agreement will be terminated by this agreement. The segment will then become eligible for inclusion in the state aid needs study. USE OF FUNDS The funds provided by the in lieu payment originate from the Minnesota Highway Users Tax Distribution Fund. These funds are for use by the City on the state aid system. Expenditure of the funds will be in accordance with Minnesota Rules, State -Aid Operations, Chapter 8820. DIVISION OF STATE AID FOR LOCAL TRANSPORTATION APPROVED: District State Aid Engineer Director, State Aid for Local Transportation Date Date Attachment: Agency MunicipalorCounty Turnback Account In Lieu Payment Request 9 /19 /2006Page 2 of 2