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,• /~.M <br />~~~, ~ ~ IIIIIIIIII~ <br />1NC. <br />A JL{Af9(fY(I, <br />Of <br />treslem Fuels <br />Acaxiatian. brc. <br />February 15, 1988 <br />Mr. 'Ilan Gillis <br />Reclamation Specialist <br />Colorado Mined Land Reclamation Division <br />1313 Sherman Street <br />Denver, CO. 80203 <br />RE: Professional Certification Doclmpnt for the Coal Processing Waste <br />Bank on Deserado Mine Property, Bonanza Power Project File No. C-018-81. <br />Dear Mr. Gillis: <br />On February 15, 1988, I performed an inspection of the Deserado Mine refuse <br />pile subareas 1 and 2-3. <br />I am a professional engineer registered in the State of Colorado and my <br />experience fulfills the requ~Y~nts of Colorado Surface Coal Mining <br />Reclamation Act. <br />The purpose of my inspection and certification was to ensure proper construction <br />of the refuse pile and to satisfy the requirerents of 13i1e 4.09 1 (11) of the <br />Colorado Mined land Reclamation Board. <br />There are no apparent points of seepage in the pile, and there is no indication <br />of slope failure. The surface drainage facilities were adequately maintained <br />and were working properly. No subdrain systan is required by our permit, since <br />geotechnical investigation for the disposal site revealed no ground water present. <br />Permanent out slopes have not yet begun to be built. <br />We have now, to date, a total of 369,643 tons of refuse placed in sub-area 1, <br />and 314,020 tons placed in sub-area 2-3. <br />Both the topsoil and subsoil piles for those areas have been seeded and are <br />stable. Ramval and stock piling of all organic material and topsoil prior <br />to disposal of refuse has been ca~lpleted. <br />7b the best of my knowledge, based upon my professional expertise, the <br />peananent refuse structures at the Deserado Mine are being constructed <br />in conformance with the prudent state~f-the-art of coal processing waste <br />bank construction. Further, the structures are being constructed in <br />compliance with the approved design, as specified within Section III-20 <br />of the approved permit docwnents and depicted on Maps 76,77,62 and 83. <br />Dcserado Aline <br />P.O. Box 1067 <br />Rangely Colorado 81648 <br />Telephone 303/675-8431 <br />Telernpier 303/675-5229 <br /> <br />FEa 1J 1908 <br />AAINcD LAPvO <br />;?ECLAMiA"i ir7rv DiVIS!ON <br />