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Reclamation Time Frame. A reasonable time frame for a job of this magnitude is estimated at approximately <br />2000 hours for backfilling, grading, and 1000 hours for topsoiling. This is based on three D11 Ns working two • <br />shifts per day and four 637s working one shift per day. Some of the topsoiling can overlap the backfilling <br />and grading; therefore, total project time is estimated at eight months. <br />Mobilization and Demobilization Costs. Mobilization and demobilization costs were based on mobilizing the <br />equipment as listed on Worksheet MOB-1. <br />En~ineerino Redesign Fee <br />The reclamation plan as submitted is based on a planned I'rfe-of-mine operation. If mining should cease <br />before the planned date, some projects may need to be re-engineered or field engineered. To account for <br />these costs, PWCC used the chart provided by CDMG. This was estimated at five percent of the direct <br />costs. <br />Contractor Profit and Overhead <br />Profit and overhead for the contractor was estimated at ten percent of the direct cost. <br />Reclamation Management Fee <br />This fee represents the cost for management of the entire project. Usually this is performed by a fine • <br />spedalizing in reclamation oversight. This was estimated per Graph 3, OSMRE Handbook at 4.0 percent of <br />the direct costs. <br />• <br />TR-37 7354 Revised 04105 <br />