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PROJECT SPECIFIC SWPPP INFORMATION:
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<br /> I. GENERAL CONSTRUCTION ACTIVITY INFORMATION PROJECT LOCATION AND RECEIVING WATERS MAP: 0 Z U Q
<br /> PERMANENT STORMWATER MANAGEMENT (SITE SPECIFIC ITEMS) SWPPP TRAINING (SECTION 21). 0 ._ 2 L
<br /> PROJECT NAME: HUGO WEST APARTMENTS L
<br /> PROJECT LOCATION: UNASSIGNED (SEE MAP) _J N a)
<br /> HUGO, MN 55038 I 1. Will the project result in one acre or more of new impervious surface or result in one acre or more of new SWPPP PREPARER: COMPANY: CARBON ENGINEERING, INC.
<br /> impervious in total if the project is part of a larger plan of development? CONTACT: NATHAN NOHNER, 612-224-6725, 0 rn '
<br /> PROJECT CONTACTS Yes. NNOHNER@LARSONENGR.COM •- _ m �
<br /> t If yes, a water quality volume of one inch of runoff from the cumulative new impervious surfaces must be COURSE, INSTRUCTOR: DESIGN OF SWPPP, ONLINE COURSE � _? � w
<br /> MARK LAMBERT N v o
<br /> 6770 STILLWATER BLVD N, SUITE 110 I retained on site (Section 15)through infiltration unless prohibited due to one of the reasons in item 16.14 TRAINING ENTITY: UNIVERSITY OF MINNESOTA Lo � �
<br /> �`� through 16.21. If infiltration is prohibited, identify other methods of stormwater treatment used (e.g. filtration, EXPIRATION: MAY 31, 2026 IJ.I co c� �
<br /> STILLWATER, MN 55082 � �'�
<br /> CONTACT: 612-689-2202 �p `x wet sedimentation basin, regional ponding, or equivalent method): o
<br /> MLAMBERT@SUMMITRE.NET - Stormwater volume will be provided in two previously constructed wet sedimentation basins that SWPPP CONTACT: CONTRACTOR: (TBD) U
<br /> were constructed for this future impervious. CONTACT: NAME, PHONE, EMAIL 8
<br /> COURSE, INSTRUCTOR:
<br /> ENGINEER: LARSON ENGINEERING, INC.
<br /> 3524 LABORE ROAD I 2. Attach design parameters for the planned permanent stormwater management system, including volume TRAINING ENTITY:
<br /> `-- I calculations, discharge rate calculations, construction details including basin depth, outlet configurations, EXPIRATION:
<br /> WHITE BEAR LAKE, MN 55110 location, design of re-treatment devices, and timing for installation. r ,
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<br /> CONTACT: BRYAN MILLER, P.E., 651-481-9120, J '�
<br /> BMILLER LARSONENGR.COM �� i~ �- =Ir '�rl I See the project plans and stormwater calculations. This SWPPP was prepared by personnel certified in design of construction SWPPP's as listed above. Copies of J
<br /> r�' �'=� respective certifications are available upon request. In accordance with Section 21 of the permit, the following
<br /> 3. For infiltration systems, provide at least one soil boring, test pit, or infiltrometer test in the location of the individuals must receive training, and the content and extent of the training is commensurate with the individual's J LLI
<br /> CONTRACTOR: COMPANY (TBD) I infiltration practice for determining infiltration rates. job duties and responsibilities with regard to activities covered under the permit: N
<br /> ADDRESS _=- I I 00
<br /> See the geotechnical evaluation reports contained within the stormwater calculations. Additional a. Individuals preparing the SWPPP for the project.
<br /> CITY, STATE, ZIP y.. in-field testing and geotechnical observations are planned during construction to verify soil b. Individuals overseeing implementation of, revising and/or amending the SWPPP, and individuals F_ U) LO
<br /> CONTACT: NAME, PHONE, EMAIL -_ wir st J - characteristics at the proposed basin location. performing inspections for the project. �' L0
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<br /> CITY WHERE WORK WILL TAKE PLACE: HUGO, MN I -- -=___ +L c. Individuals performing or supervising the installation, maintenance and repair of BMP's. Z
<br /> COUNTY WHERE WORK WILL TAKE PLACE: WASHINGTON I T � �� m 4. For projects that discharge to trout streams, including tributaries to trout streams, identify method of w 1 2
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<br /> R� I U I D incorporating temperature controls into the permanent stormwater management system. Individuals must receive training from local, state, federal agencies, professional organizations, or other entities m
<br /> LATITUDE/LONGITUDE OF APPROXIMATE CENTROID OF PROJECT: 45' 09' 53" N, 93' 00' 51"W N/A with expertise in erosion prevention, sediment control, permanent stormwater treatment and the MN C 2 Of w
<br /> [ I NPDES/SDS Construction Stormwater permit. Individuals shall attend a refresher-training course every three (3) G LIJ
<br /> PROJECT TYPE (CIRCLE ONE): < RESIDENTIAL COMMERCIAL/INDUSTRIAL Cr � o-a -N SEQUENCE OF CONSTRUCTION ACTIVITIES years. w P Q
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<br /> ROAD CONSTRUCTION RESIDENTIAL & ROAD CONSTRUCTION 0��64 I � J 1. Install stabilized rock construction entrances. SWPPP IMPLEMENTATION RESPONSIBILITIES: 0 (f� V _J J
<br /> 2. Install perimeter erosion control BMP's (silt fence, bio-logs, etc).
<br /> OTHER (DESCRIBE): I 3. Install temporary construction fencing at infiltration areas and other areas not be disturbed. 1. The Owner and Contractor are Permittee(s) as identified by the NPDES permit. \`
<br /> % 4. Install inlet protection throughout project area and downstream inlets. 2. The Contractor shall be responsible for all on-site implementation of the SWPPP, including all U z U) U)
<br /> DATES OF CONSTRUCTION (ESTIMATED): _ v_ gd$i St;= 1dth St 5. Construct temporary sediment basins/traps as necessary. Subcontractor activities. O
<br /> Construction start date: 09/2024 (TBD) ' F -,��' f - 6. Strip and stockpile topsoil. 3. The Contractor shall provide knowledgeable and experienced person(s) in the application, installation,
<br /> Construction completion date: 12/2025 (TBD) 7. Complete rough grading of site. and maintenance of Erosion and Sediment Control BMP's throughout the project. CD
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<br /> 8. Stabilize denuded areas and stockpiles. 4. The Contractor shall provide person(s) meeting the training requirements of the NPDES permit to condu
<br /> PROJECT DESCRIPTION: {, i `ti�i _ ., 9. Install site utilities. inspection and maintenance of all erosion prevention and sediment control BMP's in accordance with ��//••�� v
<br /> This project will consist of the construction of a new multi-family apartment complex located between ,` � -== �% 10. Install temporary inlet protection at newly installed catch basins/inlets. permit requirements. One of these individuals must be available for an on-site inspection within 72 hoursuJ
<br /> Rosemary Way and Victor Hugo Boulevard just east of Festival Foods in Hugo, MN. The project will y * fiR ` _'i 11. Install curb and gutter and pavement sections. upon request by the MPCA. z
<br /> consist of the construction of a new apartment building, garages, parking lots, drives, sidewalks, and __ = 12. Place topsoil and final grading of areas to be vegetated. 5. The Contractor shall provide training documentation for all individual(s) required by the permit. This
<br /> related erosion control and utilities. 13. Remove accumulated sediment from basins/ponds. training documentation shall be recorded in the SWPPP prior to construction, or as soon as personnel fo0
<br /> 14. Final grade pond and infiltration areas, including soil de-compaction as specified. the project have been determined. Documentation shall include: U
<br /> PROJECT LIMITS: 15. Complete stormwater basin as-built surveys (as required by project specifications and/or local a. Names of personnel associated with the project required to be trained (as listed above and
<br /> See the project plans, in particular the grading &erosion control plans, for site disturbance limits. jurisdictional authorities). under Section 21 of the permit).
<br /> 16. Complete permanent stabilization including plantings, seeding, and mulch. b. Dates of training, name of instructor, and entity providing training. O
<br /> SITE DISTURBANCE SUMMARY (to nearest tenth acre): III. PROJECT PLANS AND SPECIFICATIONS 17. Upon completion of construction activity and satisfactory vegetation establishment, remove remaining c. Content of training course or workshop including number of hours of training.
<br /> Total number of acres to be disturbed: 5.9 temporary erosion and sediment control BMPs. LL
<br /> Pre-Construction acres of impervious: 0.0 Refer to the project plans, specifications, geotechnical report, and stormwater calculations which depict various 18. Reseed /restore any areas disturbed during BMP removal. INSPECTIONS AND MAINTENANCE:
<br /> Post-Construction acres of impervious: 2.8 features that are relevant to this project. Such features may include, but are not limited to, the following: V) QO
<br /> Total new impervious acres: 2.8 SEEDING NOTES AND REQUIREMENTS: O w Z c'
<br /> 1. The Contractor shall provide person(s) meeting the training requirements to conduct inspection and C:)
<br /> • Project location and construction limits. maintenance of all erosion prevention and sediment control BMP's under this project in accordance with Z W `o
<br /> II. RECEIVING WATERS • Existing and final grades, including dividing lines and direction of flow for all pre and post-construction 1. The Contractor is responsible to salvage and preserve existing topsoil as necessary for final stabilization. permit requirements. LO
<br /> stormwater runoff drainage areas located within the project limits. All topsoil to be salvaged and re-used shall be processed as necessary to meet project specifications. 2. An example MPCA construction stormwater checklist can be found at the link below. Note: This template 75Z
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<br /> RECEIVING WATERS (WITHIN ONE MILE OF PROJECT PROPERTY EDGE): Soil types at the site. 2. Prior to final seeding, all areas to be vegetated shall be scarified/decompacted and amended as specified inspection report does not address all aspects of the NPDES Permit. The completion of this checklist J
<br /> • Locations of impervious surfaces. in the plans and specifications. does not guarantee that all permit requirements are in compliance; it is the responsibility of the O O
<br /> NAME OF WATER BODY TYPE SPECIAL WATER? IMPAIRED WATER? • Locations of areas not to be disturbed (e.g., buffer zones, wetlands, etc.) 3. Unless otherwise noted, all seed mixes and applications shall be in accordance with MNDOT Seeding Permittee(s)to read and understand the full permit requirements.
<br /> Clearwater Creek Creek No Yes • Steep slope locations. Manual, latest edition.
<br /> 8 Onsite Unamed Wetlands Wetland No No • Locations of areas where construction will be phased to minimize duration of exposed soils. 4. See the project plans and specifications for seed mixtures, mulch, slope stabilization, and all other https://www.pca.state.mn.us/sites/defauIt/files/wq-strm2-36.docx Q
<br /> • Locations of all temporary and permanent erosion control and sediment control best management practices landscaping requirements.
<br /> TOTAL MAXIMUM DAILY LOAD (TMDL)WATERS (BMP's). RECORDS RETENTION:
<br /> N/A • Buffer zones as required in item 9.17 and 23.11 of the permit. FINAL STABILIZATION: Q
<br /> • Locations of potential pollution-generating activities identified in Section 12 of the permit. The SWPPP, including all changes/amendments, and inspections and maintenance records shall be kept on co
<br /> IDENTIFY WETLAND IMPACTS: • Standard details for erosion and sediment control BMP's to be installed at the site. D
<br /> Ensure Final Stabilization of the site. Final Stabilization is not complete until all of the following requirements are site during normal working hours by individuals who have operational control of that portion of the site. •�
<br /> 1. Will construction result in any potential adverse impacts to wetlands, including excavation, complete: vJ
<br /> degradation of water quality, draining, filling, permanent inundation or flooding, conversion to a The anticipated erosion prevention and sediment control BMP quantities needed for the life of this project
<br /> g q Y g g P g 1. All soil disturbing activities at the site have been completed and soils are stabilized by a uniform perennial All Owner(s)shall keep the SWPPP, along with the following additional records, on file for three (3)years after
<br /> stormwater pond? include the following. These quantities are estimated only and shall be verified by the Contractor. vegetative cover with a density of 70 percent of its expected final growth over the entire pervious surface submittal of the NOT as outlined in Section 4:
<br /> Yes. BMP Estimated Quantity Final Quantity area, or other equivalent means necessary to prevent soil erosion under erosive conditions. a. The Final SWPPP;
<br /> If yes, describe impacts and mitigation measures that were taken to address the impacts and include 2. The permanent stormwater management system is constructed and operating as designed. Temporary or b. An other stormwater related permits required for the project; 0
<br /> P 9 Y P 9 g P rY Y P q P 1
<br /> copies of permits ora approvals from an official state wide wetland program issued specifically for this Rock Construction Entrance 3 EA U
<br /> P P PP P 9 P Y permanent sedimentation basins that are to be used as permanent water quality management basins c. Records of all inspection and maintenance conducted during construction;
<br /> project or site: Silt Fence 3,325 LF
<br /> pro 1 have been cleaned of any accumulated sediment. All sediment has been removed from conveyance d. All permanent operation and maintenance agreements that have been implemented, including all
<br /> The j roect includes +/-18,726 SF of wetland im act and will be miti ated via wetland credits. Sediment Log 325 LF
<br /> P P g systems and ditches are stabilized with permanent cover. Right-Of-Way, Contracts, Covenants, and other binding requirements regarding perpetual maintenance; � I hereby certify that this Ian,
<br /> Wetland impact is preliminary and permits/approvals rovals will be provided once finalized. Inlet Protection 22 EA Y Y P
<br /> P P Y P PP P 3. All temporary synthetic and structural erosion prevention and sediment control BMPs (such as silt fence, and CAI specifications or report was prepared
<br /> Concrete Washout 1 EA P P P P
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<br /> ENVIRONMENTALLY SENSITIVE AREAS:
<br /> Turf Seeding3.1 ACRE bio-logs, etc.) have been removed from the site. BMPs designed to decompose on site may be left in e. All required calculations for design of the temporary and permanent stormwater management systems. by me or under my direct supervision
<br /> place. N and that I am a duly licensed
<br /> 1. Identifyadjacent public waters where the MN DNR has declared "work in water restrictions" during Erosion Blanket 1,125 SY
<br /> 1 P 9 4. Upon correction of all erosion and sediment items and achieving vegetative cover, temporary erosion Professional Engineer under the laws
<br /> fish spawning timeframes: prevention and sediment control BMPs will be removed and properly disposed/recycled. O7 of the state of Minnesota.
<br /> None identified. 5. Within 30 days of final stabilization, a notice of termination shall be submitted to the MPCA(see Permit C)
<br /> SOIL INFORMATION Termination Req's) .
<br /> 2. Describe any stormwater mitigation measures that will be implemented, as a result of an
<br /> environmental review, endangered or threatened species review or archeological site review: Refer to geotechnical report for site specific soil information. GENERAL SWPPP NOTES: C)
<br /> N/A
<br /> Bryan D. Miller, P.E.
<br /> TEMPORARY SEDIMENT CONTROL (SITE SPECIFIC ITEMS) 1. The Contractor and all Subcontractors involved with construction activity that disturbs soil, or implements Date: xx.xx.2024 Lic. No.: 54950
<br /> a pollution control measure as part of the Storm Water Pollution Prevention Plan (SWPPP)for this project,
<br /> 1. Is the project required to install a temporary sediment basin due to 10 or more acres draining to a must comply with the requirements of the National Pollution Discharge Elimination System (NPDES)/
<br /> common location, or 5 acres or more if the site is located within 1 mile of a special or impaired water? State Disposal System (SDS) Program, General Permit MNR10001, Dated August 1, 2018. Rev. Date Description
<br /> No.
<br /> If yes, describe (or attach plans)showing how the basin will be designed and constructed in accordance 2. The Contractor and all Subcontractors shall be responsible for reviewing the NPDES Permit in its entirety,
<br /> with Section 14. to ensure that all SWPPP measures are in place and permit requirements fulfilled throughout the duration
<br /> N/A of the project.
<br /> 2. Will the project include dewatering, basin draining?
<br /> No.
<br /> If yes, describe measures to be used to treat/dispose of turbid or sediment-laden water and method to
<br /> prevent erosion or scour of discharge points (see Section 10 of the permit):
<br /> N/A. Based on soil boring results, dewatering is not anticipated. Project#: 12246027.000
<br /> 3. Will the project include use of filters for backwash water? Drawn By: NJN
<br /> No. Checked By: BDM
<br /> If yes, describe how filter backwash water will be managed on the site or properly disposed of: Issue Date: xx.xx.2024
<br /> N/A
<br /> Sheet Title:
<br /> SWPPP
<br /> Sheet:
<br /> C700
<br /> P:\Projects\Projects-2024\12246027- Hugo West Apartments\2. Design\b. Drawing Files\12246027-C700-SWPPP.dwg
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