Specifications
The standard specifications for the West Bay Sanitary District (WBSD) govern the design and construction of sanitary sewers in the service area of the District. The District’s service area is the City of Menlo Park, portions of the Town of Portola Valley, portions of Town Atherton, portions of the City of East Palo Alto, portions of the City of Redwood City, and portions of unincorporated San Mateo County.
WBSD’s Standard Specifications are available in PDF form at the link below. The file is large and will not appear immediately. Please wait for it to load
Read more about specification in our Code of Regulations here
Details
Detail 01 – Manhole Frame and Cover
Detail 02 – Screw Down Type Manhole Frame and Cover
Detail 03 – Manhole For 21-inch Diameter and Smaller Pipe
Detail 04 – Manhole For 24-inch Diameter and Larger Pipe
Detail 05 – Standard Inside Drop Manholes (4, 6 and 8-inch Diameter Pipes Only)
Detail 06 – Sanitary Sewer Lateral Connections
Detail 07 – Service Lateral Cleanout
Detail 08 – Excavation, Backfill and Surface Restoration
Detail 09 – Drop Manhole Detail for Connection of Existing Sewer to New Manhole
Detail 10 – Air Release Assembly for Step Main
Detail 11 – Cleanout 2-3-inches Forcemain (Step and Grinder Pump Systems)
Detail 12 – 1.25 inch Lateral Check Valve Station
Detail 15 – Typical STEP or Grinder Pump System
Detail 16 – Forcemain Service Connection
Detail 17 – Control Panel Step-Grinder Systems
Detail 18 – Single Family Septic Tank Effluent Pumping (Step) System
Detail 19 – Single Family Grinder Pump Installation Detail
Detail 20 – Single Family Grinder Pump Information Detail
Detail 21 – Pump Detail-Single Family Septic Tank Effluent Pump (Step) System
Detail 22 – Sanitary Sewer Water Main Crossings
Detail 23 – Sanitary Sewer Lateral Utility Crossings (Excluding Water)
Detail 24 – Sanitary Sewer Lateral Disconnections
Detail 25 – Repair Coupling for 15-inch Diameter and Larger Pipe
