CONTENTS 



Page 



Introduction 1 



Description of traveling debris screen 2 



Structural design 2 



Suspension system 2 



Stiffening members and cables 3 



Track design and support 3 



Mechanical aspects 3 



Drive system 3 



Bull wheels 3 



Haul line 3 



Screen and support system 3 



Carriages 4 



Screen and attachment 4 



Bypass and debris impoundment area 4 



Operation of traveling debris screen 4 



Effectiveness of traveling debris screen 5 



Summary and conclusion 5 



Literature cited 6 



FIGURES 



1. The traveling debris screen and supporting structure 2 



2. Elevation view of traveling debris screen 2 



3. View of track and carriage system of traveling debris screen 3 



4. Elevation view of a section of the traveling debris screen 4 



5. Plan view of the traveling debris screen 4 



6. Curves of drag forces on debris screen 5 



TABLE 



1. Comparative horsepower requirements of traveling debris screen as 

 factor of water approach velocity and debris load 



in 



