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<br />' COST <br />r CM <br /> <br /> <br />1 <br />1 <br />1 <br />• Practid App~es for Effative E & S Conwl - SO <br />Material Costs <br />This is the actual cost of the material, including shipping costs to the site. In <br />order to evaluate materials against other dissimilar products (i.e. hydraulic <br />mulches vs blankets, dry straw mulches vs soil sealants), the costs are related to <br />area. <br />For example, rather than give the cost of recycled paper mulch per ton, the cost <br />is converted into a per acre or per square foot cost: <br />Paper mulch <br />Shipping <br />Application rate <br />CM <br />or <br />or <br />_ $200.00/ton <br />_ $ 20.00/ton <br />= 2 tons per acre <br />= 5440.00 per acre <br />= 5 .09 per sq yd <br />= S .O1 per sq ft <br /> <br /> <br />Another example can be given for erosion control blankets: <br />Straw blanket <br />S~PP~B <br />Application Rate <br />CM <br />or <br />or <br />_ $ 33.00 per roll <br />_ $ 3.00 per roll <br />= 80.67 rolls per acre <br />= 52,904.12 per acre <br />= S .60 per sq yd <br />= 5 .54 per sq ft <br /> <br /> <br />1 <br /> <br />Field Note: Hydraulic applications are usually estimated on a per acre or <br />square foot basis; rolled products on the otherhand are estimated <br />on a square yard basis. For comparison purposes, the same unit <br />of area measurement should be used. <br /> C <br />Add <br /> ,,~ <br />-otts <br />' This variable reflects the costs associated with additional materials necessary to <br /> install an erosion control product. e.g. staples or geotextile pins for rolled <br />' products; tackifier or bonding agent for blown straw mulch or rebar for <br />geo[extile confinement systems. These costs should be calculated in the same <br /> units as the material costs. <br />1 <br /> <br />1 © 1995 IECA <br />