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8.2.2 Implementation Schedule <br /> An estimated schedule for implementation of the preferred Remedial Action <br /> Alternative is presented below. <br /> Schedule <br /> Demolish Building 2 weeks <br /> Demolish Paving 1 week <br /> Excavate Clean Overburden 1 week <br />' Excavate Contaminated Soils I week <br /> Prepare Landfarming Pad 3 weeks <br />' Excavate Clean Backfill 1 week <br /> Chemical Landfarming 24 weeks <br /> Repair Areas 2 weeks <br />' Total Time 35 weeks <br />' 6.2.3 Cost Estimate <br /> Estimated costs for implementing the preferred Remedial Action Alternative <br /> are presented below. <br />' Task gty,- I nit Cost Total <br /> Demolish paving 4500 $ 0.35 SF $ 1,575.00 <br />' Demolish building 4000 1.94 SF 17,460.00 <br /> Ezcavate overburden 4100 4.00 CY 16,000.00 <br /> Excavate contaminated soil 1100 5.00 CY 51500.00 <br /> Prepare landfarm pad and <br /> biograde soil 1100 50.00 CY 55,000.00 <br /> Excavate backfill material 1100 3.00 CY 3,300.00 <br /> Place backfill 5100 6.00 CY 30,600.00 <br /> Subgrade and pave, 3" ac/8" base 4500 2.50 SF 11,250.00 <br /> Contr. mob and overhead (20%) 28,137.00 <br /> Engineering Management and <br /> Laboratory Testing 57,000.00 <br /> Contingency (30%) 42,205.00 <br /> TOTAL 268,027.00 <br /> 8-4 <br /> GGA/0209b/275a <br /> 1 <br />