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SENT t1Y~DUFFORD & BROWN <br />.. ~. <br />4-11-96 ;10: 28AM <br />• <br />1'ticlurd Fox <br />Fox $rtgineaing <br />1110 Odc Circle S. <br />Broomfield, CO 60020.1065 <br />April 11, 1996 <br />Mr. Allen G Soraraan <br />DlvWoa of Mlnsrw4 sad GeOM{Y <br />Deparustcrt of Natural I8eaolaoee <br />1313 Shy St, Roam 21 S <br />1)mtvet, CO 80203 <br />lte: Wafer Sptey I.atrd Application Ibsigq hold Hill Mill <br />File No. M-94117 <br />Iha Mr. Sormteat: <br />3038940969 <br />• <br />303 832 8106;# 2/ 3 <br />We have reviewed the wear plmiping systan d the Bold Hill Mill and propose the following <br />pttlgrntn to esmbtieh a land application of Hanel A water on the arse above tlta taitir~+ pond. <br />Water alurent-y is pumped Avm the Hanel A end is pumped into two process water tattles et the <br />west end of the mill building When the tanks Fro futi, water overflown the taolta old L piped W <br />the tailitt®r pond by gravity flow thra~¢t a 3-md- tine. Weser [or mill makeup water is pumped <br />free the two looks (appsolrimately 16,000 gallom each) b variow mill eireuit+ ea flesh watra <br />makeup. <br />We plan b replumb the water aomirrg 8vm the tarp after the process water pump so dmr the <br />water will be ptlmped through a Z-irk}- line to thtse parallel diatnbutian linca tlrt will contain <br />itopulse type sprinklers with s throw radius of epploxitostely 20 to 23 teat. The sptinklass will <br />be placed every ~0.faet long the three lines. The linen will be spied appreaimdely 30 feet <br />apart 1)te heed spacing will allow some overhipping corsage. Water flow will be [roar 60 to 75 <br />gallons par mimrto. Eetimered pumped flow from the Hazel A is SO to 75 gallons per mimes. <br />Water from the tanks can also be dtedrerged into the tailirlgv pond througtr the main 2-inch <br />lateral. The process tanks will be used u autge tanks w evm flow to the lard application and <br />provide storage for Hanel A water wham the ground is atatuated. ]f the tanks are full, water nett <br />still Overflow W rho tailit~ pond oK it does now. <br />ff [here is any other information that you neat, please cell. <br />Sinard~y, <br />ltiehard Fox <br />