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INTEROFFICE MEMORANDUM TO: BYRON WA1.KfJ'12 FROM: JANGI' BINNS SUBJECT: FOIULI. CRIi ~ StI li 511222 RECI,ASIATION COST IS1'ISU\'PE DATE: 8/22/2007 CC: DAN i-IERNdNUG/. I have reviewed Twentymile Coal Company's MR220 application for reclamation costs associated with paving of the east parking area and addition of a helipad. Since this area has previously been approved as a graveled parking area certain costs have already been included in the approved reclamation cost estimate. Already approved reclamation tasks include, ripping, regrading, topsoil replacement, seeding and reseeding for potential vegetation failure, and equipment mobilization/demobilization. The only additional task associated with this minor revision entails excavating the asphalt over the pazking area and hauling it to the portal azea pit. Since this distance is greater than 500 feet, simply pushing the material with a dozer would be uneconomic. A truck loader team was determined to be more logical to complete the task. No job supervisor costs were included since this task would be conducted in coordination with other on site tasks approved in the permit. No engineering work would be required. Other indirect costs that are required by contract are included in the estimate. The CICRES program does not have material weight or swell factor for asphalt. I substituted shale as a similar material for weight and swell, based upon the material choices available in the program. The Division's estimate totaled $1,013.00 for costs associated with reclamation of the additional parking area. CIRCES estimating sheets aze attached to this memo. TCC's estimate for the same task totaled $910.00 This is a difference of $103.00. TCC's estimate does not describe how the task would be completed, Truck haul versus dozer push. Unless additional information is provided by the operator to justify the lower reclamation cost, TCC should adjust their estimate to be in agreement with the Division's estimate.