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<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 <br />I <br />I <br />I <br />I <br /> <br />TABLE OF CONTENTS <br /> <br />Page No. <br /> <br /> <br /> <br />Introduction ................................................................. 1 <br /> <br /> <br /> <br />Basic Criteria ............................................................... 3 <br /> <br /> <br />Existing Facilities and Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 <br /> <br />Location and Site History ............................................... 4 <br /> <br /> <br /> <br />Operations ............................................................ 4 <br /> <br /> <br /> <br />Fish Passage Issues ........................................................... 5 <br /> <br /> <br /> <br />Hydrology .................................................................. 5 <br /> <br /> <br />Typical Screen Hydraulics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 <br /> <br /> <br /> <br />Geology ................................................................... 10 <br /> <br /> <br />Improvements to Protect Endangered Fish ........................................ 11 <br /> <br />Screen Design Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 <br /> <br />Option A - Vertical Flat Plate Screens in Single Line ............................... 12 <br /> <br /> <br /> <br />General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 <br /> <br /> <br /> <br />Estimated Cost . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 <br /> <br /> <br />Option B - Vertical Flat Plate Screens in V-Configuration ........................... 14 <br /> <br /> <br /> <br />General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 <br /> <br /> <br /> <br />Estimated Cost . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 <br /> <br /> <br />Option C - Rotary Drum Screens ............................................... 15 <br /> <br /> <br /> <br />General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 <br /> <br /> <br /> <br />Estimated Cost . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 <br /> <br /> <br />Option D - Louvered Screens .................................................. 16 <br /> <br />1 <br />