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D. Reclamation of Stormwater Management Structures. The temporary sediment ponds <br />and diversion ditches will be backfilled using on-site soils. The volume required to <br />backfill these structures for the worst case scenario for one phase will total 1,812 cubic <br />yards. The cost to place and compact 1,812 cy of fill dirt would be $1.80/cy which <br />equals $3,262. The riprap outlet pads will be removed. The volume of riprap will total <br />10 cubic yards. The cost to remove and haul the riprap for off-site disposal will be <br />$10/cy which equals $100. The silt fence (or sediment control log) will be removed once <br />vegetation has been re-established to approximately 70% coverage. The silt fence to be <br />removed will total 1,360 linear feet. The cost to remove and dispose of the silt fence off- <br />site will be $0.50/lf which equals $680. <br />The total costs for reclamation of stormwater management structures is $4,042. <br />Based upon these estimates, it can be determined that the total direct reclamation <br />costs for this project will be approximately $ 41,951.