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<br />8.0 PRELIMINARY CONSTRUCTION COST ESTIMATE <br /> <br />A preliminary construction cost estimate was prepared for the proposed improvements <br />associated with this drainage plan. The preliminary construction cost estimate is provided below <br />in Table 14. <br /> <br />Table 14 <br /> <br />Preliminary Construction Cost Estimate <br /> <br />Description Q!y Unit Unit Price Total <br />Clearing and Grubbing 107.7 AC $ 1,500 $ 161,550 <br />Channel Excavation 346,400 CY $ 5 $ 1,732,000 <br />Waterway Excavation 48 AC-FT $ 6,000 $ 288,000 <br />Detention Excavation 291 AC-FT $ 6,000 $ 1,746,000 <br />Backslope Interceptor Structures 49 EA $ 1,500 $ 73,500 <br />Hydromulch Seeding 107.7 AC $ 1,500 $ 161,550 <br />Right-of-way Acquisition 107.7 AC $ 25,000 $ 2,692,500 <br />36 inch RCP Storm Sewer 615 LF $ 110 $ 67,650 <br />42 inch RCP Storm Sewer 600 LF $ 130 $ 78,000 <br />48 inch RCP Storm Sewer 900 LF $ 140 $ 126,000 <br />60 inch RCP Storm Sewer 900 LF $ 170 $ 153,000 <br />5 x 5 RCB Storm Sewer 600 LF $ 250 $ 150,000 <br />5 x 6 RCB Storm Sewer 1,200 LF $ 275 $ 330,000 <br />5 x 7 RCB Storm Sewer 600 LF $ 300 $ 180,000 <br />5 x 8 RCB Storm Sewer 686 LF $ 350 $ 240,100 <br />5 x 9 RCB Storm Sewer 1,580 LF $ 400 $ 632,000 <br />12 x 6 RCB Outfall Structure 110 LF $ 600 $ 66,000 <br />14 x 7 RCB Outfall Structure 110 LF $ 800 $ 88,000 <br /> Sub- Total $ 8,965,850 <br /> Contingencies 20% $ 1,793,170 <br /> Total $ 10,759,020 <br /> <br />ClvilT et::h <br />Engineering, Inc. <br /> <br />26 <br />