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<br />I
<br />I TABLE n.3
<br /> PARTIAL DETENTION ALTERNATIVE COST ESTIMATES
<br />I Unit Total
<br /> Basin No. Item Quantity Unit Cost Item Cost
<br />I Basin 2 Clear and Grub 1.2 AC $750 $900
<br /> Excavation 3,480 CY $3.75 $13,050
<br />I Embankment Fill 980 CY $3.75 $3,675
<br /> Bedding Material for Riprap 88 CY $35 $3,080
<br /> Riprap 197 CY $35 $6,895
<br />I 24-in CMP 60 LF $26.50 $1,590
<br /> Revegetation 1.8 AC $2,300 $4,140
<br /> Total Cost = $33,330
<br />I Basin 3 Clear and Grub 1.0 AC $750 $750
<br /> Excavation 3,950 CY $3.75 $14,813
<br /> Embankment Fill 1,200 CY $3.75 $4,500
<br />I Bedding Material for Riprap 106 CY $35 $3,710
<br /> Riprap 237 CY $35 $8,295
<br /> 24-in CMP 60 LF $26.50 $1,590
<br />I Revegetation 1.5 AC $2,300 $3,450
<br /> Total Cost = $37,108
<br /> Basin 4 Clear and Grub 0.6 AC $750 $450
<br />I Excavation 3,230 CY $3.75 $12,113
<br /> Embankment Fill 1,200 CY $3.75 $4,500
<br /> Bedding Material for Riprap 31 CY $35 $1,085
<br />I Riprap 68 CY $35 $2,380
<br /> 24-in CMP 60 LF $26.50 $1,590
<br /> Revegetation 0.9 AC $2,300 $2,070
<br />I Total Cost = $24,188
<br />Basin 5 Clear and Grub 0.7 AC $750 $525
<br /> Excavation 2,860 CY $3.75 $10,725
<br />I Embankment Fill 1,090 CY $3.75 $4,088
<br /> Bedding Material for Riprap 32 CY $35 $1,120
<br /> Riprap 73 CY $35 $2,555
<br />I 24-in CMP 60 LF $26.50 $1,590
<br /> Revegetation 1.1 AC $2,300 $2,530
<br /> Total Cost = $23,133
<br />I Basin 8 Clear and Grub 0.9 AC $750 $675
<br /> Excavation 3,250 CY $3.75 $12,188
<br />I Embankment Fill 1,090 CY $3.75 $4,088
<br /> Bedding Material for Riprap 72 CY $35 $2,520
<br /> Riprap 162 CY $35 $5,670
<br /> 30-in CMP (Transfer Basin 7 flows) 60 LF $34.50 $2,070
<br />I 24-in CMP (Basin 8 outlet) 60 LF $26.50 $1,590
<br /> Revegetation 1.4 AC $2,300 $3,220
<br /> Total Cost = $32,020
<br />I CostEst
<br /> 1121/98
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