- Contractors will design, fabricate, furnish, and test a mechanically cleaned bar screen for the Lower Berkeley Wastewater Treatment Plant. The work includes the design and furnishing of a mechanically cleaned bar screen. - The mechanically cleaned bar screen shall consist of a hydraulically operated telescopic boom, rake head assembly, hydraulic power unit, mounting assembly, control panel and anchorage materials. - Design Summary: 1. Number of Screens....................................................................................1 2. Bar Screen Clear Spacing, inches..........................................................0.5 3. Channel Width, inches.......................................................................29.5” 4. Channel Depth, inches..........................................................................84” 5. Discharge height above channel, inches...............................................52” 6. Angle of Screen Installation, degrees .....................................................90 7. Area Classification.............................................................. Non-classified 8. Main Electrical Enclosure Type ...............................................NEMA 4X
