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2016-04-26_PWETC_AgendaPacket
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2016-04-26_PWETC_AgendaPacket
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Commission/Committee
Commission/Authority Name
Public Works Commission
Commission/Committee - Document Type
Agenda/Packet
Commission/Committee - Meeting Date
4/26/2016
Commission/Committee - Meeting Type
Regular
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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 disturbance of <br /> stream bank and shoreland vegetation should be avoided. The plan shall address how unavoidable <br /> 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 impervious <br /> 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 applicant 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 /> q) Identification of existing and abandoned wells and septic tanks on the development site. <br /> r) Documentation indicating conformance with these standards. <br /> 9) Prohibition of Illicit Discharges (Roseville City Code Chapter 803.031. No person shall throw, drain, or <br /> otherwise discharge, cause, or allow others under its control to throw, drain, or otherwise discharge into the <br /> municipal separate storm sewer system any pollutants or waters containing any pollutants other than <br /> stormwater, i.e., swimming pool water which contains pollutants not found in stormwater. The following <br /> discharges are exempt from the prohibition provision above: <br /> a) Non-stormwater that is authorized by an NPDES point source permit obtained from the MPGA, <br /> provided that the discharger is in full compliance with all requirements of the permit, waiver, or order <br /> Page 7 of 8 DRAFT <br />
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