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<br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br /> SIPHON PIPELINE INSTALLATION SYSTEM EARTHWORKS <br /> TABLE 2 1. Compacted Subgrade and Backfill <br /> Volumes (cubic yards, compacted <br /> in place; includes local borrow, <br /> OPINION OF PROBABLE COSTS TABLE FOR haulage, placement, and <br /> SELECTED SMITH ARROYO SIPHON PIPELINE ALTERNATIVE compaction operations) <br /> (OTERO COUNTY, COLORADO) Subgrade Preparation <br /> a. CY $25.00 $3,750 <br />WORK ITEM UNIT TOTAL (approximately 150 cubic yards) <br />AND OUANTITY UNIT PRICE PRICE b. Sand Bedding CY $20.00 $3,000 <br /> (approximately 150 cubic yards) <br />MOBILIZATIONI c. Class 1 Backfill CY $12.00 $36,000 <br />DEMOBILIZATION LS $20,000 $20,000 (approximately 3,000 cubic yards) <br />EARTHWORKS d. General Fill CY $6.00 $24,000 <br /> (approximately 4,000 cubic yards) <br />1. Diversion and Care of LS $2,000 $2,000 e. Topsoil Placement and Compaction CY $2.00 $2,000 <br /> Smith Arroyo in Disturbed Areas and Finished <br />2. Ground Water LS $5,000 $5,000 Grading Operations <br /> Dewatering (approximately 1,000 cubic yards) <br />3. Smith Arroyo Sediment CY $2.00 $1,000 f. Reclamation Seeding AC $2,000 $1,400 <br /> Removal and Temporary (approximately 0.7 acre) <br /> Stockpile Storage (approximately SIPHON PIPELINE AND CONCRETE WORK <br /> 500 bank cubic vards). <br /> .Sediment can be used for general 1. 310 Lineal Feet of 72-inch Diameter <br /> backfill, if approved by Engineer LF $109.00 $33,790 <br />4. Clearing and Grubbing - Light LS $1,000 $1,000 Reinforced Concrete Pipe w/Wall <br /> (approximately 0.7 acre); Thickness of 7 Inches (FOB Pueblo) <br />5. Topsoil Removal and CY $2.00 $2,000 <br /> Temporary Stockpiling for Later 2. 72-inch diameter RCP Elbows (4) EA $1,650 $6,600 <br /> Use in Site Reclamation <br /> (approximately 1,000 cubic yards) 3. Reinforced Concrete Support LS $500 $4,000 <br />6. Washing and Sealing EA $250 $1,000 Base Tie-ins to Existing Inlet and <br /> Existing Geologic! Outlet Structures <br /> Geotechnical Test (approximately 8 cubic yards) <br /> Borings at Existing <br /> Site (4 total) 4. General Concrete Re-surfacing LS $5,000 $5,000 <br />7. Excavation Volume. Repalr of Existing Inlet and Outlet <br /> - Overburden So\Js (7,000 CY) CY $4.00 $28,000 Structures <br /> - Bedrock (350CY) CY $55.00 $19,250 <br />EXISTING SIPHON PIPELINE AND APPURTENANCES DEMOLITION <br />1. RemovelDemollsh Existing LS $20,000 $20,000 <br /> Concrete-encased Wood Stave <br /> Pipeline and Appurtenances <br />