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~~~ <br /> <br />STEEPEN ROBERTSON AND KIRSTEN <br />Consulting Engineers and Scientists <br />1 <br />Nuvemher 2. 1993 <br />SRK Project No. 14725 <br />Battle Mountain Gold Resources, Inc. <br />San Luis Project <br />P.O. Box 370 <br />San Luis. Colorado 81152 <br />Attention: Mr. Mike Yaung <br />RE: COLD WEATHER CONSTRUCTION ACTIVITIES <br />Dear ~9r. 1'uune: <br />Uur to defa}'s in the construction schedule for the Phase II expansion at the $an Luis projrrt. <br />construction activities will he required during periods of freezing weather. This letter has heer~ <br />prepared to address cold weather construction concerns expressed by the State Division of <br />Minerals and Geology during the on-site meeting of October 28. 1993. <br />The earthtaork specifications should be amended to include the following: JJ ` <br />-I G~ ~ <br />Section b.9 -Cold Weather Operations J//~.~~, •S ~{ f~ <br />. i ~ v~s~ <br />~h' ~s' <br />\o frozen materials shall be included within Material Type 1, 3 or 4' ill. \u till may <br />hr placed on frozen subgrade or previously placed fill. All frozen material shall he <br />remoard from the surface of previously placed fill material ar insi7m soils prior to <br />resumption ttf till placement operations. <br />Fill placement shall he suspended during periods of frigid weather if, Nn the opinion of <br />the Engineer or Eneineer's Representati.•e. the fill material can not he .ompacted prior <br />t.> rmrzing. In all cases the judgment of [he Engineer or his representative will hr final. <br />\on-frost susceptible granular fill material with a moisture content below 5 percent may <br />he placed during frigid weather. <br />Inclusion or burial of snow within or by fill materials beyond trace amounts shad not hr <br />permitted. The Engineer or Engineers Representative shall have the smle :mthuriro for <br />determining when snow accumulations exceed permissible amounts. The Engineer or his <br />Siei+en Robertson and Kasten iU.S.~ ~-~. <br />_--- ~o~:~-. !Unce Street. _a~ewood. Co~orsoc c-~~7. ~.5..;. <br />Tei. x3031 985-7333 Facsimile t303) 985-~~947 <br />"llher office=_ 'n' U S A .Canada Urnted ~i-~c^^- =.~d 4trc=. <br />