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Regional Storm Water Detention Pond <br />Item Estimated Unit <br />No. Description Quantity Unit Price <br />1. Detention pond earthwork, 438,300 CY $ 2 <br />excavation and haul to <br />location adjacent to site. <br />2. Detention pond earthwork, 26,200 CY $ 5 <br />embankment fill of berm, <br />(includes 15 % compaction) <br />Total <br />Price <br />$ 876,600 <br />$ 131,000 <br />3. Inlet pipe and emergency 1 LS $40,000 $ 40,OQ0 <br />overflow structure <br />4. Concrete trickle channel 2,100 LF $ 15 <br />5. Outlet structure and box <br />$ 31,500 <br />culvert extension 1 LS $90,000 $ 90,000 <br />6. Culvert from sub-basins 150 LF $ 80 $ 12,000 <br />201,202,203 into pond <br />7. Utility relocation 1 LS $ 20,000 $ 20,000 <br />8. Revegetation 60 AC $ 700 $ 42,000 <br />Sub-Total $1,243,1OQ <br />Construction Contingency (20 %) $ 248,620 <br />Construction Total $ 1,491,720 <br />Design, surveying, construction <br />Engineering (15%) <br />Estimated land purchase cost <br />TOTAL ESTIMATED COST <br />$ 223,758 <br />$ 350,000 <br />$ 2,Ob5,478 <br />►T1] <br />