CONTENTS 



Page 



Traveling screens, for collection of juvenile salmon (Models I 



andn), by Daniel W. Bates and John G, Vanderwalker 1 



Introduction ^ 



Traveling screen 1 



Design '■ 



Drive unit '■ 



Tracking unit 1 



Screen belt and supports 1 



Operating 3 



Model I 3 



Model II 3 



Method of testing screen 4 



Description of flume ^ 



Bypass ^ 



Test fish 4 



Efficiency of the screen 4 



Advantages of the screen 5 



Literature cited 5 



Design and operation of a cantilevered traveling fish screen 

 (Model V), by Daniel W. Bates, Ernest W. Murphey, and 



Earl F. Prentice • ° 



Introduction o 



Description of traveling screen 6 



Structural design 7 



Suspension system 8 



Torque tube and cables 8 



Track design and support 9 



Mechanical aspects 10 



Drive system 10 



Bull wheels 10 



Haul line 10 



Screen support systenn 10 



Carriages 10 



Stiff -legs 10 



Netting and attachment 10 



Bypass design 11 



Operation of traveling screen 11 



Rate of travel 12 



Loss of head 12 



Efficiency of deflection 12 



Self -cleaning capabilities 13 



Bypass 13 



Effectiveness of traveling screen 14 



Summary 14 



Literature cited 15 



