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Stormwater Pollution Prevention Plan
<br />The war* described to implement the following Storm Water Pollution Prevention
<br />Plan (SWPPP) shell be considered part of the Contract Documents and shall be
<br />performed by the Contractor. The work to install and maintain the Best
<br />Management Practices ( BMP's) to prevent erosion and provide sediment control
<br />shall be in accordance with Permit No. MN R100001 and shall include. but are
<br />not necessarily be limited to, the requirements contained herein.
<br />1. Construction Activity Information
<br />Project Name: QOtrdin OF HOME
<br />Project Address /Location:
<br />City/ Township: fate of LM1O LAKKSStote: MN Zip Code: 55014
<br />County Parcel ID Number(s):
<br />3- 119 -21 -22 -0011
<br />3- 119 -21 -22 -0020
<br />.3-119-21-22-0008
<br />3- 119 -21 -22 -0007
<br />3- 119 -21 -22 -0001
<br />3- 119 -21 -22 -0017
<br />All cities where construction will occur ay of Lino Lakes
<br />All townships where construction will occur. Not Applicable
<br />All counties where construction will occur. Moira
<br />Project Size (number of acres to be disturbed): 16.85
<br />Project Type: a Residential
<br />_ Road Construction _Other (describe)
<br />Cumulative Impervious Surface:
<br />Existing area of impervious surface to nearest quarter acre: 0
<br />Post construction area of impervious surface to nearest quarter acre: 10.5
<br />Receiving Waters:
<br />Nome of Water Body jyRa Appendix A Special Water?
<br />XX WEfAAID No
<br />Dates of Construction
<br />Estimated Construction Start Date: AUGUST 1, 2006 Estimated Completion
<br />Date: AUGUST 1, 2007
<br />Contact Information
<br />Owner of Project Site: CORE DEVELOPMENT
<br />Business /Firm Nome: CORE DEVELOPMENT
<br />Federal Tax ID Number able as needed
<br />State Tow ID Number available as needed
<br />Contact Person: Mork Birdbath Tit /e: President
<br />Phone: (851) 481 -9027
<br />Moiling Address: 1793 Buse& Circle City !pits Bear Lake State: MN Zip
<br />Code: 55110
<br />E -mail Address: none
<br />Contractor (Party who will oversee implementation of the SWPPP. May be same
<br />party as Owner above):
<br />Business /firm Name: CORE DEVELOPMENT
<br />Federal Tax ID Number. available as needed
<br />State Tax ID Number available as needed
<br />Contact Person: Mark Elgelaach Title: sons
<br />Phone: some
<br />Mailing Address: same City an State: MN
<br />Zip Code: same
<br />E -mail Address: none
<br />Altemote Contact Person: 7B0 Phone: 780
<br />E -mail: nee
<br />General Construction Project Information
<br />Descipfion of the construction activity (what will be built genera! timeline, etc.):
<br />Comforts of toms is a MC lot commercial and residential subdivision on o
<br />17.18 acre property. Lot / and Lot 2 are restilmtiaL Lot 1 being a
<br />condominium complex and Lot 2 consisting of to,nhome. Lots 3, 4, and 5 ace
<br />commercial sites. The conbuaten actAsities will include grading operation for
<br />the construction of surface drainage, sedimentation ponds, and an uvbah section
<br />street Siam sewer construction. exposed sap stabilization, and bituminous
<br />paw will fallow pasting operations.
<br />Description of soil types found at the project:
<br />Axodng to soil borings taken by a g otedmical engineering consultant, the
<br />majority of the sops as poorly graded.
<br />2. General Site Information
<br />Description of the location and type of all temporary and permanent erosion
<br />prevention and sediment control BMP's to be used, including the timing for
<br />installation and procedures used to establish additional temporary BMP's as
<br />necessary:
<br />Contractor shall install and maintain the temporary and permanent erosion
<br />prevention and sediment control BMP's as shown on the accompanying drawing
<br />and as described herein. The timing shall be in accordance with the
<br />Construction Activity Sequence below and in accordance with sound and
<br />proactive construction scheduling and practices
<br />Accompanying this SWPPP is a site plan that includes the following features:
<br />• Existing and proposed grades, including dividing lines and direction of flow for
<br />all pre- and post- construction stormwater runoff drainage areas located
<br />within the project limits.
<br />• Locations of impervious surfaces and soil types.
<br />• Locations of areas not to be disturbed.
<br />• Location of areas of phased construction.
<br />• All surface waters and existing wetlands within one -half mile from the project
<br />boundaries that will receive stormwater runoff from the site (identifiable on
<br />maps such as USGPS 7.5- minute quadrangle maps or equivalent). Where
<br />surface waters receiving runoff associated with construction activity will not fit
<br />on the plan sheet, they must be identified with an arrow, indicating both
<br />direction and distance to the surface water.
<br />• Method(s) to be used for final stabilization of all exposed sal areas.
<br />Description of stormwater mitigation measures required as the result of an
<br />environmental, archaeological, or other required local, state, or federal review of
<br />the project
<br />Not applicable to this project
<br />Description of the type and locations of BMP's appropriate for this site and
<br />sufficient to comply with all applicable requirements of the TMDL implementation
<br />plan and identification of the receiving water and of the areas of project site
<br />discharging to on impaired water that has on approved TMDL implementation
<br />plan that contains requirements for construction Stormwater discharger
<br />Not applicable to this project
<br />Selection of Permanent Stormwater Management System
<br />Will the project create a new cumulative impervious surface greater than or
<br />equal to one acre? XX Yes _ No
<br />If yes, o water quality volume of )t inch of runoff from this area must be
<br />treated before leaving the site or entering surface waters (1 inch of runoff
<br />from this area if dischorging to special waters).
<br />Method(s) to be used to treat runoff from the new impervious surfaces created
<br />by the project
<br />dz Met sedimentation basin la Infiltration/Filtration basin
<br />Regional ponds _ Combination of practices
<br />Description of treatment method(s) to be used, including design information for
<br />each method :
<br />MIRE wet sedimentation basks wit be constructed as shown on the plan. fie
<br />basins have been designed to provide a water quality volume of 0.5 inch of
<br />runoff from the new impervious surfaces that drain to each respective bosh,
<br />Each bash has also been deigned to provide o permanent vdume of 1,800
<br />cubic feet d starge below the outlet invert pipe eMvation fair each an that
<br />drabs to the respective basin. The permanent depth of each basin will be
<br />between 3 and 10 feet Each basins outlet Is designed to &scheme the water
<br />quality polaris at no more than 5.66 cubic feet per sealed per acre of basin
<br />surface area. Access is provided to each bash for future bash maintenance.
<br />The outlet for each bosh has been located to minimize the potential for
<br />Eachhbb�, hoe been section and riized for energy
<br />designed vein o stabilized energeey overflow
<br />to accommodate storm events in excess of to basins hydroid= deign.
<br />Description of why if is not feasible to meet the treatment requirement for
<br />water quality volume. This can include proximity to bedrock or road projects
<br />where the lock of right -of -way precludes the installation of any permanent
<br />stormwater management practices. Description of what other treatment, such
<br />as grossed swales, smaller ponds, or grit chambers, will be implemented to
<br />treat runoff prior to discharge to surface waters:
<br />Not Apppcabe
<br />Description of how o proposed alternative method to treat runoff from new
<br />impervious surfaces will achieve approximotey BOX removal of total suspended
<br />solids on an annual overage basis:
<br />Not Applicable
<br />3. Erasion Prevention Practices
<br />Description of construction phasing, vegetative buffer strips, horizontal slope
<br />grading, and other construction practices to be used to minimize erosion:
<br />Stage the sal disturbing activities to minimize the amount of disturbed soil
<br />prior to stabilization. Disturbed areas will be considered stabilized when covered
<br />with materials such as anchored mulch, stoked sod. riprop, wood fiber blanket
<br />or other materials that prevent erosion from occurring. Grass seeding alone
<br />will not be considered stabilization.
<br />Disturb ony those areas where proposed contours and elevations are shown to
<br />differ from the existing and where removals and other operations are noted.
<br />Special areas of the project site that are not to be disturbed by construction
<br />activity are noted on the plan.
<br />Install wood fiber blanket where shown on the plan to provide temporary erosion
<br />protection.
<br />Description of temporary erosion protection or permanent cover to be used for
<br />exposed positive slopes within 200 lineal feet of a surface water (stream, lake,
<br />pond, marsh, wetland, reservoir, spring, river, storm water basin, storm water
<br />drainage system, waterways, water courses, and irrigation system whether
<br />surface water is natural or artificial, public or private with maximum time an
<br />exposed soil area con remain exposed when the area is not actively being
<br />worked:
<br />Provide year round stabilization to the above mentioned areas in accordance
<br />with the following table:
<br />Steepness of slope (H:V)
<br />Greater than 3:1
<br />.3:1 through 10:1
<br />Less than 10:1
<br />Maximum Exposure
<br />Duration When Area
<br />Is Not Actively Worked
<br />7 Days
<br />14 Days
<br />21 Days
<br />Description of practices to be used to stabilize the normal wetted perimeter of
<br />drainage or diversion ditches within 200 lineal feet of the property edge or
<br />point of discharge to o surface water within 24 hours of connecting the ditch
<br />to the surface water.
<br />Instal seed fertilizer, and dx anchasd mulch or temporary wood fiber blanket
<br />h alt hwe and ..ales within 24 hours of connecting the dads or steals to the
<br />surface rotor Mtge shown an to plat h accordance with the deters
<br />Description of other erosion prevention practices to be used:
<br />install the specified energy dissipation method each as dprap and geotexte
<br />fabric, at pipe outlets within 24 hours of installation. Permanently seed
<br />disturbed areas prior to end of seeding date specified by WIDE.
<br />4. Sediment Control Practices
<br />Description of sediment control practices to be used to minimize sediments
<br />from entering surface waters, including curb and gutter systems and storm
<br />drain inlets:
<br />Permanent sediment control practices loo be used on this project corset of
<br />sedimentation basins. Tempa ry sediment control predt es to be used as silt
<br />fence, eyelet ktlet protection, storm sewer inlet etch cheeks. and If riecesacry, street . protection. skins pad ends,
<br />5. Dewatering and Basin Draining
<br />If the project includes dewotering or basin draining, describe the BMP's to be
<br />used to prevent the discharge from adversely effecting the receiving waters and
<br />downstream landowners.
<br />Not apple to this project
<br />B. Additional BIfrir for Special Waters and Discharges to
<br />Wetlands
<br />This project does not discharge stormwater directy to Special Water. This
<br />project does not discharge stormwater directly to wetlands.
<br />7. Construction Activity Sequence
<br />In addition to performing and sequencing the tasks associated with implementing
<br />this SWPPP as described herein and shown on the plan, the Contractor shall
<br />perform construction activities in occonionce with the following sequence:
<br />(1) Install silt fence along property line of project site where shown on plan
<br />and where property line is down gradient and within 100 feet of areas to
<br />have disturbed soil and where property line is within 20 feet of soil disturbing
<br />and other construction activities.
<br />(2) Instal/ silt fence along edge of wetlands and of other locutions shown on
<br />the plan.
<br />(3) Install stone exit pods where shown on plan and at other locations where
<br />vehicles and equipment will leave the site onto poved and grovel surfaces.
<br />(4) Construct storm water ponds and related piping and control structures as
<br />shown on the project plans. Install and maintain temporary erosion
<br />prevention measures as shown on the plan.
<br />(5) Instal/ silt fence along bottom of storm water pond inslopes and where
<br />shown on the plan.
<br />(6) Complete earthwork activities. Install and maintain sediment control
<br />measures such as ditch checks and stormwater inlet protection.
<br />(7) Complete utility construction. Install and maintain sediment control
<br />measures such as inlet protection as work proceeds.
<br />(8) Remove silt deposits from site, remove silt deposits from stormwater basins.
<br />(9) Provide soil stabilization to disturbed oreos by preparing topsoil, seeding,
<br />fertilizing, mulching, anchoring mulch in accordance with plans and
<br />specifications.
<br />(10)Remove perimeter silt fence, other silt fence, check dams, and other
<br />sediment control measures upon
<br />achieving final stabilization and Owner submits the Notice of Termination.
<br />8. Inspections and Maintenance
<br />Description of procedures to be token to routinely inspect the construction site:
<br />Contractor shall inspect erosion prevention and sediment control BMP's to
<br />ensure integrity and effectiveness. Repair. replace, or supplement
<br />non - functional BMP's to provide continualy functional BMP's. Contractor shall
<br />inspect the entire construction site o minimum of once every seven (7) days
<br />during active construction and within 24 hours after a rainfall event greater
<br />than 0.5 inches in 24 hours. Inspections shall include stabilized areas, erosion
<br />prevention and sediment control BMP's, and infiltration areas. Specific tasks
<br />associated with the inspection and maintenance of the BMP's include the
<br />following:
<br />• Maintain and retain at the construction site written records of the inspections
<br />and maintenance performed. Records of each inspection and maintenance
<br />activity shop include: Date and time of inspection /maintenance activity, Name
<br />of person(s) performing the activity Finding of inspection; Recommended
<br />corrective actions; Corrective actions token; and Date and amount of rainfall
<br />events greater than 0.5 inches in 24 hours.
<br />• Repair, replace, or supplement silt fences that become non - functional or
<br />accumulate sediment to the level of 1/3 the silt fence height or more within
<br />24 hours of discovery or as soon as conditions allow access.
<br />• Drain temporary and permanent sediment basins and remove sediment when
<br />the volume of sediment collected reaches 1/2 the permanent storage volume
<br />within 72 hours of discovery or as soon as conditions allow access.
<br />• Inspect surface waters, drainage ditches, and stormwater conveyance systems
<br />for evidence of sediment deposited by erosion. Remove deltas and deposited
<br />sediment and restablize areas where sediment removal results in exposed soil
<br />within seven (7) days of discovery unless precluded by legal, regulatory, or
<br />physical constraints. Removal and stabilization shall be completed within
<br />seven (7) days of obtaining access. The NPDES /SDS permit holder is
<br />responsible for contacting the local, regional, state. and federal authorities
<br />and receiving the applicable permits prior to performing this work.
<br />• Inspect construction site vehicle exit locations for evidence of sediment being
<br />track off-site onto paved surfaces. Remove tracked sediment from of -site
<br />paved surfaces within 24 hours of discovery.
<br />• Inspect perimeter of construction site. Remove off-site accumulations of
<br />sediment in o manner and at o frequency to minimize off -site impacts.
<br />a Pollution Prevention Management Measures
<br />Contractor shall implement the following pollution prevention management
<br />measures on the site:
<br />• Solid Waste: Collect and properly dispose of sediment asphalt and concrete
<br />millings, floating debris, paper, plastic, fabrics, construction and demolition
<br />debris. and other wastes in accordance with MPCA disposal requirements.
<br />• Hazardous Materials Properly store, provide required secondary containment,
<br />and dispose of all products, fuels, point products, and other hazardous
<br />substances to prevent spills, leaks, and other discharges in accordance with
<br />MPCA regulations. Provide restricted access storage oreos to prevent
<br />unauthorized access and vandalism.
<br />• Equipment Washing: Restrict external washing of trucks and other
<br />construction equipment to a defined area of site. Contain runoff and
<br />properly dispose of waste. Engine degreasing is prohibited on the property.
<br />• Spifl Prevention: Park construction equipment and store potentially hazardous
<br />materials in a designated area located as for as practicable from potential
<br />environmentally sensitive oreos. Construct impoundment dike and take other
<br />measures required to contain spilled material. Remove and dispose of
<br />contaminated soil. vegetation, and other materials and perform other
<br />mitigation measures as required in accordance with MPCA regulations.
<br />• Sanitary and Septic Waste: Provide and maintain temporary facilities in
<br />accordance with MPCA and Minnesota Department of Health regulations.
<br />10. Final Stabilisation
<br />Contractor shall achieve final stabilization of the construction site by achieving
<br />the following:
<br />• Soil disturbing activities hove been completed and soils are stabilized by e
<br />uniform perennial vegetative cover with a density of 70 percent over the
<br />entire pervious surface area or other equivalent means to prevent soil failure
<br />under erosive conditions.
<br />• Temporary synthetic and structural erosion prevention and sediment control
<br />BMP's are removed.
<br />• Sediment is removed from permanent sedimentation basins to return basins to
<br />the design capacity, removed from stormwater conveyance systems, and is
<br />stabilized or removed from the site.
<br />11. Notice of Termination
<br />Contractor shall notify Owner immediately upon achieving Final Stabilization.
<br />Owner must submit the Notice of Termination within 30 days after Final
<br />Stabilization or within 30 days of another owner assuming control according to
<br />Part 11.6.5. over all oreos of the site that have not undergone Final Stabilization.
<br />RE PIED
<br />JUL 1 0 2006
<br />CITY OF ! ii'!O LAKES p
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