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.~ <br />E~E C~ ~, <br />-~ -_ <br />EARTH ENGINEERING <br />CONSULTANTS, INC. <br />May 6. 1999 <br />Loveland Readv Mix. lnc. <br />P.O. Box 299 <br />Loveland, Colorado 8039 <br />Aun: Mr. Steve 1=ancher <br />Re: Proposed Pond Lining <br />Loveland Ready-Mix Pond #I <br />Loveland. Colorado <br />EEC Project No. 1994026 <br />Mr. Pancher: <br />As requested, a senior en~~ineer from Earth En~ineerim~ Consultants. Inc. (EEC) hays <br />revie+ved the information provided for the proposed lining of Loveland Ready->\1is Pond <br />#1 in Loveland, Colorado 'fhe Loveland Ready'-Alix Pond kl is located +vest of <br />Namaqua Road immediately north of the Bia Thompson Ricer and encompasses <br />approximately 20 acres. This area was formerly used as an a~~~~re~~ate sowce and is no+c <br />proposed for use as a lined storage pond to provide augmenuuion +catcr to the Bi <br />Thompson River. <br />The mining excavation at Pond #I extended to a depth of appro~intately 16 to 20 tier <br />below surrounding ground surface. During the mining operation. the overburden ~~~ils <br />were dozed off of the mineable aggregate and stockpiled un site. "the hose of thr <br />excavation extends to silty sandy claystone bedrock. \1'ith the adjacent flu+cs in the Isi;. <br />'fhomp;on Ricer, it is anticipated the depth to ,Irounchcatcr is rclati+~Ic shalluo. in the <br />area when pumping for the minis ~ operations ceases. <br />Across section dia~_ram of the proposed lining is attached. I h~ to++ h~rmcabilit} I:n_ ~r of <br />the lining mill be constructed of the stockpiled ocerburclen soils placed in S leer ++id~ <br />staggered lifts. The interior facing of the empondment +cill be coniposcd nl hedruek <br />CENTRE FOR ADVANCED TECNNOLOGY <br />2301 RESEARCH 6GULEVARD, SUITE 104 <br />FORT COLLINS, COLORADO 80526 <br /><970) 224-1522 (Fixl 224-4564 <br />