Laserfiche WebLink
/.°14N. DANE COUNTY <br /> LAND CONSERVATION DEPARTMENT <br /> LYMAN F.ANI)ERSON AGRICULTURE&CONSERVATION CENTER <br /> 1 Pen Oak Ct.,Rm.208,Madison,Wisconsin 53718-8812 <br /> PH:608/224-3730•FAX:608/224-3745 • <br /> www.co_danc.wims/landconservation/ <br /> DATE: November 02,2004 <br /> TO: Pete Conrad <br /> Zoning Administrator <br /> FROM: Aicardo Roa,PhD. • <br /> Urban Conservationist <br /> RE: HEPTA Quarry,#74-98,Town of Christiana <br /> The submitted Erosion Control and Storm Water Management plan meets the needs of the site. <br /> The site consists of approximately 156 acres that will be used for gravel products and other foams <br /> of mineral extraction.The proposed future land use is agriculture(pasture,row-crops) after the <br /> minerals are extracted,the slopes of the-future agricultural land less than 22%as shown in <br /> drawings 1 and 2.Presently,the runoff goes to the north from south and is internally drained.All <br /> of the runoff from the 156 acres of the gravel pit will be directed to the existing three sediment <br /> pond areas,and are internally drained. <br /> The following conditions must be implemented: <br /> 1. The sediment pond must he expanded and updated according to the needs of the site. The <br /> site is internally drained and will remain internally drained. <br /> 2. The entire berm area and slopes are vegetated according to the reclamation plan. <br /> 3. The existing internally drained system meets the needs of the site.The detention basin <br /> will be enlarged,as needed. <br /> 3 4. The reclamation plan and final slopes are presented on map of the last page of the plan. <br /> i The stockpiles awl soil berms around the perimeter of the quarry will be graded as <br /> presented in the plan. The bottom of the quarry will be top soiled 9 to 12 inches; and the <br /> 3 6. Tihn es opooiuei�a o f 9 t ie oewe ap ogn atd <br /> the site area will be graded 3:1. The vertical <br /> faces will be blasted down into a bench pattern,and where possible,slopes 3:1 will be <br /> established. <br /> 7. The entire berths at the east of the property will be restored and slope according to the <br /> reclamation plan. <br /> 8. All berms are seeded and mulched. The berm at the east side of the property has stable <br /> �'^� vegetation and drains to the south of the property. <br /> 3 V62-4"' <br /> Y. <br /> 9Z£-d 9100/9000d 9LL-1 96Z6-899 -WOad £0:60 9L.-9Z-it <br />