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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<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>Figure 4-10Typical Inclined Fl<strong>at</strong>-Pl<strong>at</strong>e ScreenFigure 4-11Vertical Fl<strong>at</strong>-Pl<strong>at</strong>e <strong>Fish</strong> Screen in Oper<strong>at</strong>ionHORIZONTAL FLAT-PLATE SCREENSFl<strong>at</strong>-pl<strong>at</strong>e screens may also be oriented horizontally such th<strong>at</strong> w<strong>at</strong>er sheets over the top <strong>of</strong> the fishscreen. This type <strong>of</strong> configur<strong>at</strong>ion has been deemed “experimental” by NMFS and therefore fl<strong>at</strong>-pl<strong>at</strong>escreen install<strong>at</strong>ions require much gre<strong>at</strong>er scrutiny during design and oper<strong>at</strong>ion. Install<strong>at</strong>ions <strong>of</strong> thisscreen type generally occur where resident fishes are present and the lack <strong>of</strong> anadromy precludes theACDD <strong>Passage</strong> June 2009 Page 4-20