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I I I I I I I I I I I I I I I I I I I City of Brush Opinion of Probable Construction Costs Downtown Clayton Street Alternative 4. 25-Year Event Asphalt Removal Asphalt Paving Asphalt Overlay Waterline Relocation 18" RCP Class III 24" RCP Class III 30" RCP Class III 54" RCP Class III 3' Type 13 Combination Inlet 6' Type 13 Combination Inlet 9' Type 13 Combination Inlet Inlet RE!mOval 6' manhole Removal Manhole C&G RI3moval C&G Install Detention Pond Grading Regrading of Clayton Street, N. Railway to Edmunds Street Asphalt Removal Concrete Removal Asphalt Paving CONTINGENCY (25%) ENGINEERING (10%) *Assumes Surface Storage-Underground Detention $4,300,000 QUANTITY UNIT UNIT COST AMOUNT 4890 SY $3.00 $14,670.00 4850 SY $18.00 $87,300.00 15000 SY $5.00 $75,000.00 803 LF $100.00 $80,300.00 30 LF $40.00 $1,200.00 50 LF $60.00 $3,000.00 70 LF $85.00 $5,950.00 2200 LF $160.00 $352,000.00 2 EA. $2,500.00 $5,000.00 6 EA. $4,700.00 $28,200.00 1 EA. $6,900.00 $6,900.00 9 EA. $1,000.00 $9,000.00 24 EA. $4,500.00 $108,000.00 2 EA. $1,500.00 $3,000.00 70 LF $5.00 $350.00 70 LF $10.00 $700.00 16.4 AC-FT $16,000.00 $262,400.00 2710 SY $3.00 $8,130.00 2710 SY $15.00 $40,650.00 6400 SY $18.00 $115,200.00 Total $1,206,950.00 25% $301,737.50 SUBTOTAL $1,508,687.50 10% $150,868.75 GRANDTOTAL $1,659,556.25 Note: Costs noted as " Regrading of Clayton Street, N. Railway to Edmunds Street are additional costs, above and beyond typical storm sewer construction costs, required to remove the excessive asphalt crown and underlying concrete pavement tOI provide improved conveyance capacity.