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Load-Out Bin Liner System Enhancements <br />The liner system in the vicinity of the Load-Out Bin ("LOB") will be enhanced to ensure that <br />all vehicular traffic on the VLF occurs over a liner system. No leaching is planned for the <br />areas covered by the proposed new liner. This project will include the installation of 80 mil <br />Linear Low Density Polyethylene ("LLDPE") Gundseal, or equivalent, installed by a <br />qualified liner contractor per specifications outlined within the AMEC letter dated May 17, <br />2010. <br />Please refer to attached AMEC drawing "LOB Pad, GM/GCL Liner Additions" dated May <br />11, 2010 for additional detail. Construction quality assurance will be provided by AMEC. <br />An as-built report will be submitted to DRMS in a timely manner upon completion of the <br />project. <br />CC&V has reviewed these minor changes for impacts to the financial warranty calculations. <br />Calculations (attached to this letter) for the Phase IV B/C liner project indicate a cost of $17,207 <br />for reclaiming this additional liner area based on a ratio of costs, considering the entire VLF as a <br />whole. The cost of reclamation for the LOB Pad Area has been captured under the heading <br />"Crusher and Fuel Island" area in Amendment No. 9, Volume VII, Appendix 11. Also please <br />refer to the attachment to this letter showing the area of concern. Therefore, no additional <br />warranty for the LOB Liner Project is necessary. <br />According to our records, prior to the approval of TR 58 for the E-Train, Hydrojex, and Pump <br />Caisson projects, DRMS held an unallocated bond in the amount of $405,335. Applying the TR <br />58 amount ($133,866) to this surplus left an unallocated bond in the amount of $271,469. <br />Applying this TR59 bond amount of $17,207 leaves an unallocated bond in the amount of <br />$254,262. <br />A check in the amount of $1,006 for this technical revision request is attached. <br />Please contact me at (719)-689-4055 should you have questions or wish to discuss this request <br />for a technical revision. <br />Sincerel <br />12 <br />l <br />Timm Comer <br />Manager, Environmental Resources <br />xc: Paul Clarkson, Director, Teller County Planning Department <br />Byron Hake, Mayor, City of Victor <br />Enclosed in triplicate: <br />Letter from AMEC dated May 17, 2010 from John Lupo, P.E. to Timm Comer of CC&V <br />AMEC Drawing: Phase IV B/C Triangle Project, Liner Details <br />AMEC Drawing: LOB Pad, GM/GCL Liner Additions <br />TR 59 Bond Calculations (5-17-10) by M.D.E.