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Design Report <br /> Goose Haven Reservoir Cell 2A <br /> May 14, 2021 <br /> Page 6 of 7 <br /> 11 COST ESTIMATE <br /> The following table provides a cost estimate for construction of Cell 2A, including the construction <br /> of the embankment and various pipelines and other hydraulic structures. The cost estimate was <br /> prepared with input from Weiland, Inc. and Rock Products. Note that all costs include contractor <br /> overhead and profit. <br /> RESERVOIR Unit Unit Cost Quantity Extended Cost <br /> Embankment Costs <br /> Excavation for embankment only Cubic Yards 1.50 261,280 391,920 <br /> Dewatering Per Month <br /> Cost 500.00 36 18,000 <br /> General Embankment Fill & <br /> Embankment Core material Cubic Yards <br /> placement' 5.00 283,548 1,417,740 <br /> Chimney, Blanket, &Toe Drain <br /> Sand/Aggregate Cubic Yards 11.00 9,327 102,597 <br /> Toe Drain Pipe, 6-inch diameter Linear Feet 30.00 3,643 109,290 <br /> Rip Rap Ton 65.35 11,875 776,031 <br /> Type II Rip Rap Bedding Ton 32.00 9,037 289,184 <br /> Topsoil Replacement Cubic Yards 2.75 2,556 7,029 <br /> Reseeding Topsoil Acres 1,500.00 2 3,564 <br /> Hydraulic Element Costs <br /> Cell 2A-2 Transfer Box Lump Sum 300,000.00 1 300,000 <br /> Tunneling and 36-inch diameter <br /> Casing Pipe for Outlet Linear Feet 954.00 160 152,640 <br /> Diversion Boxes Lump Sum 50,000.00 2 100,000 <br /> Inlet Pipe/Bypass Pipe Linear Feet 354.00 3,431 1,214,574 <br /> Outlet Pie Linear Feet 354.00 400 141,600 <br /> Gage Rod Lump Sum 10,000.00 1 10,000 <br /> Design Engineering 200,000 <br /> Construction Engineering Oversight 100,000 <br /> Total 5,334,169 <br /> Notes: <br /> 1. Assumes material is generated onsite <br /> 2. Quantities for the embankment were generally provided by Weiland, Inc. Costs for the <br /> embankment and hydraulic elements were generally provided by Rock Products of Colorado <br /> BRIERLEY <br /> ASSOCIATES <br /> Creating Space Underground <br />