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Mr. Jason Wedel <br />September 3, 2013 <br />Page 2 <br />Erosion Control Plan showing: <br />• Storm Water Pollution Prevention Plan (SWPPP) conforming to NPDES permit <br />requirements <br />• Silt fence <br />• CB inlet protection <br />• Rock construction entrance <br />• Street sweeping <br />• Restoration <br />Stormwater Management Plan that includes: <br />• Narrative explaining how water quality standards are achieved <br />• Use of infiltration / volume control BMPs or justification why those BMPs are not <br />effective or desired on the site <br />• HydroCAD Report showing inputs and hydrographs <br />• Indirectly connected impervious must be modeled separately <br />• Wetlands must be shown on plans and any impacts noted <br />• Pretreatment to volume control / filtration facilities <br />• Skimmer device(s) <br />• Soil borings <br />• Tabulation of pre and post - development peak discharge rates <br />• Adequate freeboard from critical high water elevations and emergency overflows to <br />building low floor elevations and low building opening elevations <br />Please contact Paul Hudalla at 763 - 287 -7176 or phudalla @wsbeng.com if you have any <br />questions regarding the comments above. <br />• <br />• <br />• <br />S: Advisory Boards & Commissions\Planning & Zoning Board\Packets12013 Packets\ September 11, 20I3Utem 5ALFN\Updated Repat\4 Memo - JW - 090313 <br />