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STREAM CHANNEL EROSION PROTECTION <br />TASK 11 <br />TASK DESCRIPTION •Place Rip Rap and erosion control blanket in <br />• reclaimed stream channels. Channel R-13 designs are <br />included though there is no permitted disturbance for the <br />area at this time. No costs are calculated. <br />RIP RAP <br />CHANNEL <br />SEGMENT <br />Len h Base Channel <br />De th Rip Rap <br />De th <br />Width Volume <br />Cu d <br />R - 2 290 8.00 2 0.9 13 125.67 <br />R - 5 410 12.00 2 0.6 17 154.89 <br />R - 6 630 12.00 2 0.6 17 238.00 <br />R - 8 230 12.00 2 0.9 17 130.33 <br />R - 13 510 16.00 2 0.6 21 Future Pro"ect <br />TOTAL Volume 648.89 <br />Place Rip Rap @ 23.1 $tyd <br />RIP RAP COST = E14,989 <br />EROSION BLANKET Allow 10 % extra for overlap and hitching blanket <br />into the channel per manufacturers instructions <br />• <br />CHANNEL <br />SEGMENT <br />Len h Base Side <br />Slo es Surface <br />Area d <br />R - 1 170 6.00 2.00 453.33 <br />R - 3 100 3.50 2.00 155.56 <br />R -4 150 2.00 2.00 133.33 <br />R - 7 130 8.00 2.00 462.22 <br />R - 12 200 6.00 2.00 533.33 <br />Total Sq-yd 1738 <br />With 10% Overlap 1,911.56 <br />( 0.395 ACRES) <br />Manufacturer's cost estimate $525.00 per 100 sgyd roll <br />Fabric Cost = $10,035.67 <br />STAPLES Per REP. Use 2 Staples per square yard 3,476 <br />$31.OOperthousand Staple Cost= $124.00 <br />PLACE FABRIC <br />From Regevetation Costs -placing netting = $1,000 per acre <br />INSTALLATION = $394.95 <br /> <br />EROSION BLANKET COST = $10,554.62 <br />TOTAL EROSION PROTECTION COST = $25,543.95 <br />Mc VOL 1 - Tbl 3.7-1 TASK 11 11 - 19 - 98 <br />