Feasibility of Fish Passage at Alameda Creek Diversion Dam

Appendix A Minimum Viable Population Size Technical InformationTable A-1Summary of Capital Costs for Passage Design Components (Continued)ID Description Quantity Unit Unit Cost ($) Amount ($) AssumptionsConfluence Fish Facility1.0 Diversion StructureExcavation 100 CY 80.00 8,000 10' W x 5' H x 50' LDewatering 1 LS 65,000.00 65,000Weir 100 CY 1,200.00 120,000 40' L x 8' H2.0 Fish Ladder StructureExcavation 55 CY 80.00 4,400 8' W x 3' H x 60' LBase of Fish Ladder Box 20 CY 800.00 16,000 6' W x 1.5' H x 60' LSide Forms of Fish Ladder Box 1,200 SF 50.00 60,000 5' x 4 sides x 60 LFWall Concrete 30 CY 1,000.00 30,000 1' W x 6' H x 2 sides x 60 LFCross Walls 15 CY 1,200.00 18,000 6' L x 6' H x 1' W at 6' O.C.3.0 Holding PoolBase of Holding Pool 5 CY 800.00 4,000 8' W x 1.5' H x 10' LSide Walls of Holding Pool 10 CY 1,000.00 10,000 4 sides x 6' H x 1' W x 10' LScreen Cover 1 EA 150,000.00 150,000 10' x 10' predation screenFlow Pipes 150 LF 150.00 22,500 24" dia. culvertsFlow Screens 2 EA 50,000.00 100,0004.0 Loading AreaPrepare Subgrade 100 SY 30.00 3,000Asphalt Surfacing Plus Base 100 SY 65.00 6,5005.0 Mobilization, O&F AllowanceContractor Mobilization and O&FAllowance (30%)1 LS 185,220.00 185,220Total Raw Cost (March 2009 Dollars) $802,620ACDD Passage June 2009 Page A-3