Feasibility of Fish Passage at Alameda Creek Diversion Dam
Feasibility of Fish Passage at Alameda Creek Diversion Dam
Feasibility of Fish Passage at Alameda Creek Diversion Dam
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Approxim<strong>at</strong>ely 1.8 miles toCalaveras Reservoir<strong>Alameda</strong> <strong>Creek</strong><strong>Diversion</strong> TunnelNew WallSediment ChannelBypass ChannelTie-In New Wallto Existing StructureProposed CDRPNew Valve 1Sluiceway 2Existing Trash RacksProposed CDRP FlowBypass Tunnel 1Main Channel<strong>Alameda</strong> <strong>Creek</strong>Vertical Fl<strong>at</strong> - Pl<strong>at</strong>e ScreenConfigur<strong>at</strong>ion Outside<strong>of</strong> the Sediment Channel<strong>Alameda</strong> <strong>Creek</strong>Control Outlet StructureUpstreamApronOgee Crest SpillwayRemove ExistingTrash RacksSluiceway 1<strong>Fish</strong> ScreenBypass ChannelDownstreamApronExisting Fe<strong>at</strong>ures (in black)Screen Design Components(in red)NCDRP Proposed Fe<strong>at</strong>ures(in purple)Concrete <strong>Diversion</strong><strong>Dam</strong> Structure1 Based on URS 2008 and SFPUC 2008aPlanNot to scale<strong>Alameda</strong> <strong>Creek</strong>Screen System Outside <strong>of</strong> the Sediment Channel<strong>Feasibility</strong> <strong>of</strong> <strong>Fish</strong> <strong>Passage</strong> <strong>at</strong> <strong>Alameda</strong> <strong>Creek</strong> <strong>Diversion</strong> <strong>Dam</strong>Technical MemorandumJune 2009Figure 4-14
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