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REGE~~~~ <br />DEC 2 31992 <br />TRAPPER MINING INC. <br />~. <br />CRAIG, COLORADO nnwe ;~`~ ~ --- ` - <br />DAM CONSTRUCTION CERTIFICATION <br />1, Mark W. Wehmanen, a Registered Professional Engineer in the State of Colorado, in accordance with <br />2CCR407-2, Section 4.05.6(7), certify that Far East Buzzard Dam No. 1 was inspected by me during <br />construction. Construction activities commenced on September 18, 1992 and were completed on <br />November 3, 1992. <br />During construction, the dam was inspected daily to insure compliance with prudent construction methods. <br />Compaction was accomplished by laying fill material in thin layers with scrapers and compacting with a Rex <br />compactor working with a water truck. <br />Two field modifications were made to the spillway during construction. The spillway was constructed on the <br />• soutltwest end o[ the embankment and the bottom width of the emergenry spillway was reduced from fifteen <br />to ten feet Also, the top width of the embankment as constructed, varies from fifteen feet to a minimum of <br />eleven tee[. The attached output from Sedimot accurately describes the stage-storage relationships and <br />modelled hydrologic performance of Far East Buzzard Dam No. 1. <br />~latr^f~ ~ 2.Jp,~s...u~~ <br />Mark W. Wehmanen <br />~,p0 REp~ Colorado PE No. 25518 <br />Ems. `sTq <br />oo~~v+~w `k~C, <br />25518 <br /> <br />.,, <br />M W W/mg/12-18-92 <br />ENG/D.4M~EBZ1 <br />