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0- .,1 ,, h Water Resource Engineering Division <br /> Dane County Land&Water Resources Department <br /> s71sco 1839 rjg '' Jeremy Balousek,P.E.,Division Manager <br /> DATE: December 10, 2014 <br /> TO: Rob Nebel <br /> Dane County Public Works <br /> D'gaaey 1'9-d M hremY aaiwsek <br /> FROM: Jeremy Balousek, P.E. eE. <br /> Jeremy DN cn=leremY Balousek.PE. <br /> o=oae canes,on=tand ane water <br /> Balousek, P.E. <br /> +w+Iw,eE«wmydaane<�, <br /> =us <br /> Date:2011.12.10 0418:50-0600' <br /> RE: Dane County Highway and Medical Examiner Facilities— <br /> Stormwater Management Plan, SM2014-0024 <br /> Associated Permit SE2014-0023 <br /> The submitted stormwater management plan meets the needs of the site. The plan includes the <br /> following requirements: <br /> 1 Stormwater basins must be constructed as shown on the plan. As the basins will be <br /> utilized for sediment control during construction, sediment must be periodically removed <br /> as necessary. <br /> 2.I nfiltration and bioretention basins must be constructed once the tributary areas have been <br /> stabilized. Care must be taken to prevent runoff from disturbed areas from entering the <br /> facilities, once they have been constructed and stabilized. The bioretention basins must be <br /> installed with 36-inches of engineered soil and planted as specified in the plan. <br /> 3.Culvert and pipe outfalls must be protected by rock riprap as shown on the plan. The <br /> riprap must be installed such that it forms a bowl-shape with a depth of at least 6"to <br /> dissipate runoff energy. <br /> 4.The ar eas identified on the plan must be erosion matted during final site stabilization. <br /> The erosion matting must meet the WisDOT class and type as specified in the plan. <br /> 5.As -built plans and certification, performed by a professional engineer, will be required <br /> for all permanent stormwater management practices and facilities. <br /> This permit does not expire. This review is for the stormwater requirements of Chapter 14, Dane <br /> County Code of Ordinances only and other approvals may be necessary. The applicant must <br /> obtain a permit card from the Water Resource Engineering Division counter and display it on the <br /> site. <br /> Cc: Brett Biwer. P.E. and Louis Olson, P.E., Syder& Associates, Inc. (email) <br /> Dan Bekta, P.E., Wisconsin Department of Natural Resources (email) <br /> Lyman F.Anderson Agriculture&Conservation Center <br /> 5201 Fen Oak Drive,Room 208,Madison,Wisconsin 53718 -PH:608/224-3730,FAX:608/224-3745 <br /> www.countyofdane.com/lwrd/permit/ <br />