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sediment being drawn into the imgation system, inflow into the intake riser will occur <br />through a gravel filter at low pool levels. <br />Table G.2-1 Pond Stage Summary <br /> Storage Volume (acre-feet) <br /> Pool Area Elevation Freeboard <br />Condition Below Above (Acres) (tt-amsl) (tt-amsl) <br /> Tota] <br />Gradelt~ Gradett~ <br />Normal <br />operation, 134.4 61.5 72.9 11.3 8165.9 2.1 <br />average year <br />Maximum pool 158.5 61.5 97.0 11.8 8168,0 0 <br />Note: 1 Based on a statutory ground elevation of 8159.0 ft-amsl. <br />G.2.3 Irrigation Pipeline Design <br />Current plans call for the modifying the existing water supply pipeline, located on an <br />existing easement immediately north of and approximately parallel to the Rito Seco <br />Road, to transfer irrigation water from the West Pit azea to irrigation pond located on <br />the BMRI Ranch. The irrigation pipeline will convey water pumped from the West <br />Pit and interceptor wells to the pumping vault in the new irrigation pond at the ranch. <br />If after inspection, it appeazs that part, or all, of the existing pipeline will not be <br />serviceable in this function, they may be replaced with new sections. These sections <br />may be replaced by slip-lining (pulling new 6 or 8-inch sections of high density <br />polyethylene pipe through the existing 10-inch steel line), or by conventional <br />trenching methods as shown on the Design Drawings. In either case, the pipeline will <br />have the capacity to convey the flow from the West Pit wells and the two alluvial <br />aquifer interceptor wells. <br />The following design conditions were developed to guide the irrigation pipeline <br />design process: <br />Battle Mountain Resources, /nc. 2~ Telesm Solutions, Inc. <br />P:Uhvjecu\212-Newmovt(SenWis)\SaN.u¢\Peermit Amendmem- West Pil Mavgemevt\V4 Report&PDFS\PermitAmendmen~ v4.doc October 2006 <br />