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SENT BY:Xerox Telecopier 7020 ;12-23-93 ; 10:04 ; <br />- -- ~ 1Y641~[I • <br />_- <br />_- = >~. <br />- -= A SLb~orj <br />-_ is IIY~Yrn PrJr <br />=_ = AmrlaM7r. h¢. <br />Malud J. Wel~nd, P.E <br />Mar A(angQrr <br />December 22, 1993 <br />Ms. Barbara Pavlik <br />Reclamation Specialist <br />Division of Mineral and Geology <br />Office of Mined Land Reclamation <br />1313 Sherman Street <br />Denver, CO 80203 <br />3036755229y <br />• <br />303 966 6147:71 3 <br />III Illilllllllllill <br />999 <br />Re: Annual Professional Certification Document for All Sediment <br />Control Ponds (List Attached) on the Deserado Mine Property, <br />Bonanza Power Project File No. C-018-81. <br />Dear Me. Pavlik: <br />On December 16 and 17, Tim Chervick, Environmental Coordinator, <br />performed an inspection of all Sediment Control Ponds at Lhe <br />Deserado Mine. Z have assigned Tim Chervick ae my designsttd <br />inspector. <br />I am a professional engineer registered in the State of Colorado <br />and my experience fulfills the requirements of the Colorado Surface <br />Coal Mining Reclamation Act. <br />The purpose of this inspection and certification was to ensure <br />proper construction of all Sediment Control Ponds and to satisfy <br />the requirements of Rule 4.05.6 (11) (a) of the Colorado Mined Land <br />Reclamation Board. in completing this certification, an inspection <br />was conducted of all Sediment Control Ponds and construction site. <br />The inspection showed no problems at the DP-1 Sediment Pond <br />concerning cracking, erosion, rodent activity, or displacements in <br />tht following areas; upstream face, downstream face, and the crest. <br />No seepage was located on any of the dam areas. The outlet conduit <br />was in good shape and no leakage was noted. The emergency spillway <br />showed no signs of deterioration or trosion and the riprap was in <br />good condition. No effluent quality could b~ noted at inspection <br />time, alnce the pond was not discharging at the outlet. <br />beetle Wm <br />Pl0. La [067 <br />RIn/11'~ falortlo [1611 <br />1Yi~hee lg1l67SNS1 <br />r. tnvauoto <br />