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STATE OF COLORADO <br /> DIVISION OF MINERALS AND GEOLOGY <br /> Department of Natural Resources Pow, ,T, <br /> 1313 Sherman St., Room 215 <br /> Denver,Colorado 80203 <br /> Phone (303)866-3567 <br /> FAX (303)832-8106 ilol <br /> DEPARTMENT OF <br /> NATURAL <br /> RESOURCES <br /> MEMORANDUM <br /> Roy Romer <br /> Governor <br /> Jame.5 Loc hhi r! <br /> Date• June 5, 1996 EW(011,e t)irri t <br /> Michael f3 I :, <br /> To: All Bidders on the Coal Basin/Rock Tunnel Project <br /> From: Steve Renner, Project Manager <br /> Subject: Amendment Number 2 to PRA-6-372 <br /> A prospective bidder requested some clarification regarding the <br /> construction of the surface channel for the rock tunnel discharge. <br /> In order to clarify the location of the channel to be constructed, <br /> the following addition to Task 6, Surface Drainage, Rock Tunnel <br /> Discharge, is provided: <br /> 1. In order to minimize the amount of excavation necessary <br /> to construct the surface channel, the channel shall be <br /> completed so that it follows the existing contour while <br /> maintaining the required channel profiles. The intent of <br /> this work is to convey the mine drainage from the mine <br /> tunnel outlet to Dutch Creek above the rock tunnel dump <br /> road culvert. During the prebid meeting held on May 24 , <br /> 1996, all prospective bidders where shown the approximate <br /> location of the channel route. [The channel shall be <br /> constructed on contour from the point just south of the <br /> low water crossing of the haul road to its confluence <br /> with Dutch Creek. ] Channel design and grade together <br /> with the additional clarifiers in the bid document remain <br /> unchanged. As indicated in the prebid meeting and the <br /> bid document, contractors are encouraged to survey this <br /> prospective channel location to minimize the amount of <br /> material which will have to be excavated for channel <br /> construction. <br /> 2 . All terms and conditions of the Invitation and Bid other than <br /> as changed by this amendment remain the same. <br /> 3 . Receipt and acceptance of this amendment shall be acknowledged <br /> on the bid form. <br />