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Peak Project Management, LLC <br />34115 County Road 20.8 <br />Trinidad, CO 81082 <br />TelephonelFa~c (719) 848~i975 <br />Coll: (719) 859-0111 <br />e-mall: ronthompson~sensonics.org <br />LORENCITO COAL COMPANY <br />Permit No. CO-96-084 <br />Re: As-Built Certification for Sedimentation Pond 009 <br />Design plans for sedimentation pond number 009, compiled in Figure EX 15-14 of the <br />Lorencito Mining Permit, certified by Mike Kolin, dated 2/15/02, have been reviewed by <br />Ronald Thompson, a Mine Engineer experienced in sediment control design and <br />construction and a MSHA certified impoundment inspector, and Chares M`Glothlin, a <br />Registered Professional Engineer in the State of Colorado. Mr. Thompson monitored all <br />phases of construction on a regular basis under the direction of Mr. M`Glothlin who was <br />also present during various phases of construction. <br />This inspection was conducted as required by Section 4.05.6 of the Regulations of the <br />Colorado Mined Land Reclamation Boazd for Coal Mining. This is a follow-up <br />certification to the original certification of December 17, 2001. The purpose of this <br />recertification is to more cleazly reference the applicable design plans for this pond and <br />the regulations requiring this certification, and any material modifications, if any, as <br />noted above. <br />I HEREBY CERTIFY THAT POND 009 WAS CONSTRUCTED IN ACCORDANCE <br />WITH THE ABOVE REFERENCED DESIGN PLANS. FIELD MODIFICATIONS, AS <br />MAY BE NOTED ABOVE HAVE NOT ADVERSELY IMPACTED CRITICAL <br />DESIGN CRITERIA FOR POND VOLUME, AND EMBANKMENT AND <br />EMERGENCY SPII,LWAY DIMENSION. PRIMARY SPILLWAY CONSTRUCTION <br />CONFORMS TO THE ORIGINAL PLAN DIMENSIONS DESIGNED AND <br />CERTIFIED BY MIKE KOLIN, REGISTERED PROFESSIONAL ENGINEER. <br />- ; Charles Iv1~Glothlin, P.E. <br />^s. - <br />` _ .? <br />r' <br />4 ~~:~ <br />> - ... <br />i •- <br />_ 1\ <br />n~ <br />+~ <br />_r T <br />