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Name: Ramsey Parkway Center Median Analysis <br />Date: February 19, 2018 <br />Page: 3 of 3 <br />overflow structures, adjacent vegetation, erosion and sediment control, and any other construction item <br />not related to the bioretention facilities. Costs include 30 percent for construction contingencies and <br />administrative allowances. <br />Median Width/Type <br />Liner Type <br />Estimated <br />Cost / LF <br />Estimated <br />Project Cost <br />20' Raised <br />NA <br />$41.00 <br />$64,000 <br />47' Raised <br />NA <br />$114.00 <br />$178,000 <br />20' Depressed <br />Woven Geotextile Liner <br />$216.00 <br />$338,000 <br />20' Depressed <br />Clay Liner <br />$221.00 <br />$346,000 <br />20' Depressed <br />EPDM Rubber Liner <br />$237.00 <br />$371,000 <br />47' Depressed <br />Woven Geotextile Liner <br />$599.00 <br />$937,000 <br />47' Depressed <br />Clay Liner <br />$618.00 <br />$967,000 <br />47' Depressed <br />EPDM Rubber Liner <br />$703.00 <br />$1,100,000 <br />* Project costs are rounded to the nearest $1,000. <br />