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Peak Project Management, LLC <br />34115 County Road 20.8 <br />Trinidad, CO 81082 <br />Telephone/Fax: (719) 846-4975 <br />Cell: (779) 859.011'1 <br />e-mail: ronthompson@sensonies.org <br />LORENCITO COAL COMPANY <br />Permit No. CO-96-084 <br />Re: As-Built Certification for Sedimentation Pond 009A <br />Design plans for sedimentation pond number 009A, 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 Chazes M`Glothlin, a <br />Registered Professional Engineer in the State of Colorado. Mr. Thompson monitored all <br />phases of construction on a regulaz 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 req"i^ng this certification, and any material modifications, if any, as <br />noted above. <br />I HEREBY CERTIFY THAT POND 009A 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 SPILLWAY DIMENSION. PRIMARX SPILLWAY CONSTRUCTION <br />CONFORMS TO THE ORIGINAL PLAN DIMENSIONS DESIGNED AND <br />CERTIFIED BY MIKE KOLIN, REGISTERED PROFESSIONAL ENGINEER. <br />~' ~ . <br />Chazles M` tothlin, P.E. <br />_~ ", <br />. _.? ~' <br />,- <br />