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Table 4 <br />Option Z - Phase I <br />Option 2, Phase 1 - City Constructed Detention <br />Item <br />No. <br />Item Description <br />Unit <br />Estimated <br />Quantity <br />Unit Price <br />Total Cost <br />1 <br />Mobilize & Prepare Right -of -Way (5% of Total) <br />LS <br />1 <br />$ 38,824 <br />$ 38,824 <br />01 -14.8 ac-ft Detention at Buyout Location <br />2 <br />Property at 8807 Gladwyne Ct. <br />+ 50% (Premium & Demo) <br />LS <br />1 <br />$ 143,700 <br />$ 143,700 <br />3 <br />Property at 8810 Gladwyne Ct. <br />+ 50% (Premium & Demo) <br />LS <br />1 <br />$ 190,050 <br />$ 190,050 <br />4 <br />Remove & Dispose of Existing Concrete Slope <br />Pavement <br />CY <br />153 <br />$ 6.70 <br />$ 1,024 <br />5 <br />Excavation 1.9 ac. Site w/ HCFCD ROW <br />CY <br />24,200 <br />$ 4.00 <br />$ 96,800 <br />6 <br />16" Reinf. Conc. Riprap Berm, 20' Wide, 2:1 Slope, <br />Ave, Depth 2 ft, (include Subgrade Work) <br />CY <br />127 <br />$ 270 <br />$ 34,375 <br />7 <br />Final Grading & SWQ <br />SY <br />9,196 <br />$ 1.00 <br />$ 9,196 <br />Subtotal D1 -14.8 ac--ft Detention at Buyout Location: $ 475,146 <br />DZ - 8.0 <br />ac-ft Detention at City Property on Bandridge Rd. <br />1 <br />Remove & Dispose of Existing Concrete Slope <br />Pavement <br />CY <br />76 <br />$ 6.70 <br />$ 512 <br />2 <br />Excavation 1.14 ac Site wl HCFCD ROW <br />CY <br />12,907 <br />$ 4.00 <br />$ 51,627 <br />3 <br />5" Reinf. Conc. Riprap Berm, 20' Wide, 2:1 Slope, <br />Ave. Depth 2 ft, (include Subgrade Work) <br />CY <br />64 <br />$ 270 <br />$ 17,188 <br />4 <br />Final Grading & SWQ <br />SY <br />5,808 <br />$ 1.00 <br />$ 5,808 <br />Subtotal D2 - 8.0 ac-ft Detention at City Property on Bandridge Rd.: $ 75,134 <br />D3 - 26.0 ac-ft Detention at City Property on Somerton <br />Rd. <br />1 <br />Remove & Dispose of Existing Concrete Slope <br />Pavement <br />CY <br />311 <br />$ 6.70 <br />$ 2,084 <br />2 <br />Excavation 2.5 ac Site wl HCFCD ROW <br />CY <br />41,947 <br />$ 4.00 <br />$ 167,787 <br />3 <br />j5" Reinf. Conc. Riprap Berm, 20' Wide, 2:1 Slope, <br />Ave. Depth 2 ft, (Include Subgrade Work) <br />CY <br />162 <br />$ 270 <br />$ 43,750 <br />4 <br />Final Grading & SWQ <br />SY <br />12,584 <br />$ 1.00 <br />$ 12,584 <br />Subtotal 03 - 26.0 ac-ft Detention at City <br />Property on Somerton Rd.: $ 226,205 <br />Klotz Associates Project No. 0127.011.000 8112-02-00 Drainage Study <br />July 20D9 1 of 2 City of La Porte <br />