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b) Prior to the start of any excavation or land disturbing activity for the site, the Applicant or <br /> contractor must have in place a functional and approved method of erosion and sediment control. <br /> The contractor must have received authorization from the City prior to commencing construction <br /> activities. <br /> c) Development projects subject to the NPDES Construction Permit shall meet the requirements of <br /> the NPDES permit program, including the requirement to prepare and follow a storm water <br /> pollution prevention plan (SWPPP). The Applicant shall submit proof of receipt and approval by <br /> Minnesota Pollution Control Agency and/or watershed district of the permit application prior to <br /> commencing construction if required. A copy of the SWPPP prepared in accordance with the <br /> NPDES permit requirements, shall be submitted to the City if requested by the City Engineer. <br /> 8) Storm Water Plan Submittals. <br /> a) Property lines and delineation of lands included in the project application. <br /> b) Delineation of the subwatersheds contributing runoff from off-site, and proposed and existing <br /> subwatersheds on-site. <br /> c) Location, alignment and elevation of proposed and existing storm water facilities. <br /> d) Delineation of existing on-site wetlands, shoreland and/or floodplain areas. Removal or <br /> disturbance of stream bank and shoreland vegetation should be avoided. The plan shall address <br /> how unavoidable disturbances to this vegetation will be mitigated per the City's ordinances. <br /> e) Existing and proposed inlet and outlet elevations <br /> f) The 10-year and 100-year high water elevations on-site. For landlocked basins, the higher of the <br /> elevations determined in Part 4h. of these standards shall also be identified. <br /> g) The lowest opening elevation of all buildings and structures. <br /> h) Existing and proposed site contour elevations related to NGVD, 1929 datum. <br /> i) Construction plans and specifications of all proposed storm water management facilities. <br /> j) Storm water runoff volume and rate analyses for existing and proposed conditions. <br /> k) All hydrologic and hydraulic computations completed to design the proposed storm water quality <br /> management facilities. Computations shall include a summary of existing and proposed <br /> impervious areas. <br /> 1) All pollutant removal computations for practices not meeting the volume control/infiltration <br /> requirement. <br /> m) Provision of outlots or easements for maintenance access to detention basins, retention basins, <br /> constructed wetlands, and/or other storm water management facilities. <br /> n) Maintenance agreement between developer and City which addresses sweeping, pond inspection, <br /> sediment removal and disposal, etc. <br /> o) Inlets to detention basins, wetlands, etc., shown at or below the outlet elevation. <br /> p) Identification of receiving water bodies (lakes, streams, wetlands, etc). <br /> Page 7 of 8 12/11/14 <br />