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I I I I I I I I I I I I I I I I I I I TABLEll-6(cont.) Unit Total Basin No. Item Quantity Unit Cost Item Cost Basin 8 Clear and Grub 1.0 AC $750 $750 Excavation 8,980 CY $3.75 $33,675 Embankment Fill 2,120 CY $3.75 $7,950 Bedding Material for Riprap 82 CY $35 $2,870 Riprap 184 CY $35 $6,440 30-in CMP (Transfer Basin 7 flows) 60 LF $34.50 $2,070 12-in CMP (Basin 8 outlet) 80 LF $12.00 $960 Revegetation 1.5 AC $2,300 $3,450 Total Cost = $58,165 Basin 9 Clear and Grub 0.4 AC $750 $300 Excavation 3,950 CY $3.75 $14,813 Embankment Fill 2,120 CY $3.75 $7,950 Bedding Material for Riprap 84 CY $35 $2,940 Riprap 189 CY $35 $6,615 12-in CMP 80 LF $12.00 $960 Revegetation 0.6 AC $2,300 $1,380 Total Cost = $34,958 Mobilization Cost = $5,000 Total Construction Cost (6 Basins) = $388,310 25% Contineencv = $97 .078 Construction Subtotal = $485,388 20% Engineering and Administration $97,078 Land Acouisition Cost = $54.810 Total Cost (6 Basins) = $637,000 Notes: 1. It has been assumed that excess excavated material will be disposed of by filling in depressions adjacent to work areas. This will be done so as not to impact existing drainage patterns 2. Total Cost (6 Basins) has been rounded to the nearest $1,000. CostEst 1121198