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Y <br /> id , i , ``, Land Conservation Division <br /> , s Dane County Land &Water Resources Department <br /> ?�CO21gd Patrick J.Sutter,County Conservationist <br /> DATE: April 15, 2008 <br /> TO: William Clemens <br /> Owner <br /> FROM: Jeremy Balousek, P.E. <br /> Urban Conservation Engineer <br /> RE: Mad-City Power Sports—Shoreland Erosion Control and Stormwater <br /> Management Plan,SS2008-0032 <br /> The submitted shoreland erosion control and stormwater management plan meets the needs of <br /> the site. The plan includes the following requirements: <br /> 1. The site may only be accessed off Daentl Road using stone tracking pads. The pads must <br /> be a minimum of 50' long x 24' wide x 12" deep and be constructed of 3-inch clear <br /> stone.No other site access may be used and material deposited in the road will be <br /> cleaned up throughout and at the end of each workday. <br /> 2. Silt fence must be installed prior to grading in the locations shown on the plan and where <br /> deemed necessary, including the down slope of all soil stockpiles. The silt fence must be <br /> maintained until the site is vegetated and stabilized. <br /> 3. Stone check dams must be installed in the locations identified in the plan prior to other <br /> grading. Sediment must be removed from the upslope side of the check dams once it <br /> reaches '/z the their height. The check dams may be removed once vegetation has been <br /> established. <br /> 4. Inlet filter bags (WisDOT Type D or equivalent)must protect the stormwater inlets <br /> receiving runoff from disturbed areas. Filter fabric under the grate is not an acceptable <br /> method of protection. <br /> 5. Culvert and pipe outfalls will be protected by rock riprap. The riprap will be installed <br /> such that it forms a"bowl"with a depth of at least 12-inches to dissipate runoff energy. <br /> 6. Two stormwater basins must be constructed according to the submitted plan prior to <br /> other grading. As the basins will be utilized to remove sediment from runoff during <br /> construction, sediment must be periodically excavated to maintain trapping efficiency. <br /> Lyman F.Anderson Agriculture&Conservation Center <br /> 1 Fen Oak Court,Room 208,Madison,Wisconsin 53718-8812-PH:608/224-3730,FAX:608/224-3745 <br /> www.countyofdane.com/landconservation <br />