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State of Colorado <br /> DEPARTMENT OF NATURAL RESOURCES <br /> DIVISION OF RECLAMATION, MINING AND SAFETY <br /> Page 7 of 13 <br /> Task VIA-Wattle Installation <br /> Reclamation requirements for the site include the development of slopes that have a maximum ratio of 2:1(H:V),or 4:1(H:V)and <br /> 5:1(H:V)in areas where applicable.All existing slopes appear to have been appropriately graded. However,minimal erosion is <br /> possible after slopes have been reduced to the aforementioned ratios.To help control erosion on finished slopes,installation of <br /> straw wattles(also known as"erosion logs")has been conservatively estimated for installation at the top of slopes with limited <br /> vegetation. <br /> Task Cost Summary <br /> Item Cost <br /> Equipment $ 1,375 <br /> Labor $ 588 <br /> Material Cost $ 6,505 <br /> Total Cost: $ 8,468 <br /> Equipment Cost <br /> Activity Equipment Quantity Total Hours $/Hour Cost <br /> Transportation Pickup Truck 1 48 $ 28.65 $ 1,375 <br /> Total: $ 1,375 <br /> Source:ColTrans Labor Surcharge and Equipment Rental Rates <br /> Labor Cost <br /> Activity Labor Category Quantity Hours $/Hour Cost <br /> Wattle Installation Landscape&Irrigation Laborer 1 48 $ 12.26 $ 588 <br /> Total: $ 588 <br /> Source:State of Colorado Prevailing Wage Rate Determinations(Davis-Bacon Act WD#CO20220008)El Paso,Pueblo,Teller County Rates <br /> Material Cost <br /> Activity Description Quantity Unit Unit Cost Cost <br /> Wattle Installation IStraw Wattle,9"diameter 2,000 L.F. $3.70 $ 7,400 <br /> Location Factor: 87.9% <br /> Total: $ 6,505 <br /> Source:RS Means Heavy Construction Cost Data,Sediment Log,9"(312514.16-0705),Unit Cost is the total cost per linear foot.The <br /> Location Factor for Colorado Springs has been applied to all RSMeans rates. <br /> Assumptions and Calculations <br /> Wattle Installation <br /> 2,000 Total straw wattle(L.F.),estimated from Site visit and Google Earth imagery <br /> 0.024 Installation Rate(labor hours/1 L.F.)from RSMeans rates <br /> 48 Total Labor Hours <br /> Exhibit L-Reclamation Cost Estimate www.sespeconsulting.com <br />