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76 <br />f. Delivery unit cost $4:60 per cubic yard <br />g. Spreading unit cost for sand or gravel $1 fl3 per cubic yard <br />h. Compaction unit cost for sand $1.49 per cubic yard_ <br />i. Compaction unit cost for gravel $1.22 per cubic yard <br />j. Total drainage unit cost $10.70 per cubic yard <br />k. Percent compaction 5% <br />1. Total Drainage Layer Cost $0.-00 <br />IV. On-Site Clay <br />a. Area to be capped- 25.9 acres <br />b. Depth of clay needed 18 inches <br />c. Quantity of ol-ay needed 62,678 cubic yards <br />d. Excavation unit cost $1.36 per cubic yard <br />e. Placement/spreadirig unit cost $0.92 per cubic yard <br />f. Compaction unit cost $0.16 per cubic yard <br />g. Total on-site clay unit cost .$2.44 per cubic yard <br />h. Percent compaction 25% <br />i. Total On-Site Clay Cost $191,167.90 <br />V. Off=Site Cf$y <br />a. Area to be capped 25.9 acres <br />b. Depth of clay needed 0 inches <br />c. Quantity of clay needed 0 cubic yards <br />d. Purchase unit cost $4.75 per cubic yard <br />e. Delivery unit cost $0.00 per cubic yard <br />f. Spreading unit cost $1.03 per cubic yard <br />g. Compaction unit cost $2.41 per cubic yard <br />h. Total off-site clay unit cost $8.19 per cubic yard <br />i. Percent compaction 4% <br />j. Total Off-Site Clay Cost $0.00 <br />VI. Drainage Tile <br />a. Length of drainage the needed 4680 linear feet <br />b. Tile unit cost (for PVC pipe) $0.54 per linear foot <br />c. Trenching and backfilling unit cost $0.61 per linear foot <br />d. Total drainage unit cost ~ 1.15 per linear foot <br />e. Total Drainage Tile Cost $5,382.00 <br />VII. Synthetic Membrane <br />a. Quantity of synthetic membrane needed 125,356 square yards <br />b. Purchase unit cost $2.83 per square yard <br />c. Delivery unit cost $0.27 per square yard <br />South Side -Page 10 08/23/2011 <br />