Standards, Specifications and DrawingsStandards, Specifications and Drawings revised 02/2025OCSD Standard Plan S-4 (Sewer Cleanout)OCSD Standard Plan S-5 (Sewer Lateral)OCSD Standard Plan W-1 (Fire Hydrant Assembly)OCSD Standard Plan W-3 (Water Valve)OCSD Standard Plan W-4 (Thrust Blocks Requirement)