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FLOOD05186
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Last modified
1/25/2010 6:48:32 PM
Creation date
10/5/2006 1:18:58 AM
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Floodplain Documents
County
Jefferson
Community
Golden
Stream Name
Ralston Creek
Basin
South Platte
Title
Floodplain Analysis and Design Recommendations Schwarzwalder Mine
Date
3/1/1982
Prepared For
Cotter Corporation
Prepared By
McDermid Engineering
Floodplain - Doc Type
Floodplain Report/Masterplan
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<br /> Table 3 <br />l<e Cost Estimates <br />~ Water Treatment Plant <br /> Unit <br />Item Quantity Cost Cost <br /> Waste Rock 404 T $1.00 $404 <br /> WWF 4,000 SF $0.25 $1,000 <br /> Anchors 60 ea. $40 $2,400 <br /> Backfill 270 T $1.00 $ 270 <br /> Subtotal $4,074 <br /> 25% Contingencies $1 ,026 <br /> Total $5,100 <br /> Emergency Water Pond <br /> Unit <br /> Item Quant ity Cost Cost <br /> Waste Rock 1,030 T $1.00 $ 1,030 <br /> WWF 10,000 SF $0.25 $ 2,500 <br /> Anchors 150 ea. $40 $ 6,000 <br />~. Back fi 11 750 T $1.00 $ 750 <br /> Subtotal $10,280 <br /> 25% Contingencies $ 2,520 <br /> Total $12,800 <br /> Tributary Orainage <br /> Unit <br /> Item Quant ity Cost Cost <br /> 36" ~ CSP 190 LF $45 $ 8,550 <br /> Headwall/ <br /> Trashrack LS $ 5,000 <br />I Subtota 1 $13 ,550 <br /> 25% Contingencies ,$ 3,450 <br /> Total $17,000 <br />l <br />~ <br />'. <br />~ <br />l-. <br />r 8-2 <br />
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