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<br />I <br /> <br />---- <br />I <br />I <br />I <br />II <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />i I <br />, <br /> <br />71 <br /> <br />I <br />I <br /> <br />Table 2B. ~lternatives 2 and 3, Boxelder Creek Reach <br />Quantities and Cost Estimate for 2000 cfs <br />Design Channel Improvements. <br /> <br />Table 27. summary of Unit Costs for Construction <br /> <br />I <br /> <br />Item Quantity Unit Cost <br />Excavation 70,700 cubic yards $ 3 <br />Fill 13,100 cubic yards 2 <br />Trickle channel 3,800 linear feet 34 <br />Seeding 380,000 square feet 0.08 <br />Culverts, 4 - 5' x 10' 40 linear feet 2,400 <br /> 4 - 6' x 10' 20 linear feet 1,500 <br />Riprap 1,500 cubic yards 50 <br />Drop structure 1 each 45,600 <br />Erosion control check 5 each 33,500 <br /> <br />I <br /> <br />Item Unit Cost <br />Excavation $ 3 per cubic yard <br />Backfill 2 per cubic yard <br />Seeding and mulching 0.08 per square foot <br />Trickle Channel 34 per linear foot <br />Concrete for channel lining 250 per cubic yard <br />Asphalt 20 per ton <br />Riprap 50 per cubic yard <br />Culverts, 48 inch CMP 40 per linear foot <br /> 3 - 3'xS' 1000 per linear foot <br /> 2 - 41x7' 700 per linear foot <br /> 1 - 4'xl0' 550 per linear foot <br /> 3 - 4'xl0' 1500 per linear foot <br /> 4 - 4'xl0' 1900 per linear foot <br /> 1 - 4'x12' 600 per linear foot <br /> B - 4'x12' 4000 per linear foot <br /> 2 - 4'x12' 1100 per linear foot <br /> 4 - 5'xl0' 2400 per linear foot <br /> 3 - 6'xS' 1800 per linear foot <br /> 4 - 6'x8' 2300 per linear foot <br /> 2 - 6'xl0' 1500 per linear foot <br /> 4 - 6'xl0' 2900 per linear foot <br /> 1 - 6'x121 900 per linear foot <br />Fencing (chain link) 16 per linear foot <br /> <br />Operation and maintenance <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />TOTAL CONSTRUCTION COST <br /> <br />I <br />I <br /> <br />Engineering & contingencies (35 percent of construction cost) <br /> <br />Land (14 acres @ $10,000) <br /> <br />Fiscal, legal and administration (5 percent of construction, engi- <br />neering & contingencies, & land) <br /> <br />I <br />I <br /> <br />TOTAL COST <br /> <br />Annual Cost, 50-year life, 7-3/8 percent <br /> <br />I <br /> <br />TOTAL ANNUAL COST <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />70 <br /> <br />I <br /> <br /> Total <br />$ 212,100 <br /> 26,200 <br /> 129,200 <br /> 30,400 <br /> 96,000 <br /> 60,000 <br /> 75,000 <br /> 45,600 <br />$ 167,500 <br />$ 842,000 <br /> 295,000 <br /> 140,00 <br /> <br />63,900 <br /> <br />$1,340,900 <br /> <br />101,800 <br /> <br />5,500 <br /> <br />$ 107,300 <br />