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ae <br /> <br /> TABLE II <br /> <br /> STORM SEWER <br /> ESTIMATED COSTS <br /> <br />36-Inch Trunk Storm Sewer Costs <br /> <br />Construction Costs <br />Construction Overhead (30%) <br /> <br /> Total Estimated Trunk Cost: <br />12-Inch Subdrain Costs <br /> <br />Construction Costs <br />Construction Overhead <br /> <br /> Total 12-Inch Subdrain Cost: <br />Total Estimated Project Costs <br /> <br />36-Inch Trunk Cost <br />12-Inch Subdrain Cost <br /> <br /> Total Estimated Cost: <br /> <br />$298,000 <br />, 89t400 <br /> <br />$387,400 <br /> <br />$33,000 <br /> 9,900 <br /> <br />$42,900 <br /> <br />$387,400 <br /> 421900 <br /> <br />$430,300 <br /> <br />In projecting the estimated Costs of'construction, data from <br />projects constructed in the metropolitan area over the last <br />several years and a working knowledge of the construction <br />activity in the area were Used. These costs are expressed in <br />current dollars based on the Engineering News Record (ENR)' <br />Construction Cost Index of 4193 for November 28, 1985. This <br />index is adjusted weekly to reflect changes in labor and materials <br />and can be used to adjust the estimated costs. <br /> <br />6 <br /> <br /> <br />