Agenda - Council - 06/12/2018 - Laserfiche WebLink

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STORM WATER POLLUTION PREVENTION PLAN (SWPPP) 2018 STREET & STORM SEWER IMPROVEMENTS CITY OF RAMSEY ANOKA COUNTY, MINNESOTA UNIVERSITY OF M INN ESOTA JASON COOK Design of Construction SWPPP (May 31, 2020) RESPONSIBLE PARTIES: The Contractor and Owner must apply for coverage under the MPCA's General Storm Water Permit for Construction Activity as required by the National Pollutant Discharge Elimination System (NPDES) Phase II program. Coverage under the permit will begin automatically 7 calendar days after the electronic submittal date or after the postmarked date of a complete application. [Longer time frames apply to sites that disturb areas greater than 50 acres.] CITY OF RAMSEY ANOKA COUNTY, MINNESOTA The Contractor shall provide one or more trained Construction SWPPP Manager(s) knowledgeable and experienced in the application of erosion prevention and sediment control BMPs that will oversee the implementation of the SWPPP, and the installation, inspection and maintenance of the erosion prevention and sediment control BMPs. A Construction SWPPP Manager must be available for an on -site inspection within 72 hours upon request by the MPCA. The Contractor shall provide one or more trained BMP Installer(s). The BMP Installer will perform and/or supervise the installation, maintenance and repair of BMPS. At least one individual on project must be trained in these job duties. OWNER: SWPPP DESIGNER: CONTRACTOR: CONSTRUCTION SWPPP MANAGER: PARTY RESPONSIBLE FOR LONG TERM O&M: COMPANY City of Ramsey Bolton & Menk, Inc. TBD TBD CONTACT PERSON PHONE Bruce Westby 763-433-9825 Jason Cook, P.E. 763-433-2851 City of Ramsey Bruce Westby 763-433-9825 The SWPPP Designer and Construction SWPPP Manager must have appropriate training. Documentation showing training commensurate with the job duties and responsibilities is required to be included in the SWPPP prior to any work beginning on the site. Training documentation for the SWPPP Designer is included on this sheet. The Contractor shall attach training documentation to this SWPPP for the Construction SWPPP Manager prior to the start of construction. This information shall be kept up to date until the project NOT is filed. ADDITIONAL COMPENSATION Payment for all work associated with Erosion and Sediment Control shall be as described in the Project Manual. Unless otherwise authorized by the Owner no additional payment shall be made for any work required to administer and maintain the site erosion and sediment control in compliance with the Minnesota Pollution Control Agency (MPCA) - General Storm Water Permit for Construction Activity (MN R100001) including but not limited to inspection, maintenance, and removal of BMPs or addition of BMPs to accommodate Contractor phasing. SPECIAL ENVIRONMENTAL CONSIDERATIONS: Was an environmental review required for this project or any part of a common plan of development or sale that includes all or any portion of this project? Does any portion of the site have the potential to affect threatened or endangered species or their critical habitat? 1) 2) 3) Does any portion of this site discharge to a Calcareous fen. 4) 5) Have any Karst features have been identified in the project vicinity? 6) 7) Will any portion of the site potentially affect properties listed on the National Register of Historic Places or a known or discovered archeological site? Is compliance with temporary or permanent stormwater management design requirements infeasible for this project? Has the MN DNR promulgated "work in water restrictions' for any Public Water this site disharges to during fish spawning? NO NO NO NO NO NO NO GENERAL STORMWATER DISCHARGE REQUIREMENTS All requirements listed in Part III of the Permit for the design of the permanent stormwater management system and discharge have been included in the preparation of this SWPPP. These include but are not limited to:: 1. The expected amount, frequency, intensity, and duration of precipitation. 2. The nature of stormwater runoff and run-on at the site 3. Peak flow rates and stormwater volumes to minimize erosion at outlets and downstream channel and stream bank erosion. 4. The range of soil particle sizes expected to be present on the site. • 9olton & Menk, Inc. 2018, A11 Rights Reserved H:\RAMS\R16114473\CAD\114473C201._S W PPPdwg.dwg 3/16/2018 12:54 PM LEGEND PROJECT AREAS: Total Project Size (disturbed area) = Existing area of impervious surface = Post construction area of impervious surface = Total new impervious surface area created = 1 MILE I IMPAIRI PROJEC 4.6 2.0 3.1 1.1 Planned Construction Start Date: 06/01/2( Estimated Construction Completion Date: 11/30/2( PERMANENT STORMWATER MANAGEMENT SYSTEM: Type of storm water management used if more than 1 ac I x Wet Sedimentation Basin Infiltration/Filtration Regional Pond Permanent Storm Water Management Ni PROJECT LOCATION: COUNTY ANOKA TOWNSHIP T32N RANGE R25W BMP SUMMARY SEDIMENT CONTROL: SILT FENCE SEDIMENT CONTROL LOG STABILIZED CONSTRUCTION EXIT SEEDING (MIX 25-121, FERT TYPE 3 (22-5-10), HYDRAULI MATRIX) RANDOM RIP RAP CLASS III STORM DRAIN INLET PROTECTION DESCRIPTION OF CONSTRUCTION ACTIVITIES AND STORM Construction activities include: Storm sewer construction concrete curb & gutter, and permanent erosion and sedir Trunk Storm Sewer network is being added to the Puma'_ to be reconstructed & widened to include a shared left to existing filtration pond West of Puma Street. The storm w ditch system along the south side of the roadway. Existing drainage patterns and discharges are proposed tc this SWPPP shall be approved by the Engineer and remain DOCUMENT RETENTION The following documentation will be retained for a period NOT in compliance with Part III.E of the Permit. 1. The final SWPPP 2. Copies of all stormwater related permits required fi 3. Records of all inspection and maintenance conducts covenants and other binding requirements regardir 5. All required calculations for design of the temporar BOLTON 75 & MENK