Pay My Bill Get Fiber Residential Services Business Services Outage and Safety Center Conservation Rebates Start/Stop Services Update Your Account Information Community Services and Discounts Street Lighting Rates and Policies Contact Us Home / My PUD Services / Residential Services / Water Service / Water Standard Details / Water Standard Details The drawings below are designed to help customers with water line extensions. If you have questions about these drawings, please contact Ron Slabaugh, Water/Wastewater Manager, at (509) 661-4131 or by email. 1" Single Water Service For Pressure Less Than 150psi 1" Single Water Service For Pressure Greater Than 150psi Double Water Service For Pressure Less Than 150psi Double Water Service For Pressure Greater Than 150psi 1 1/2" Single Water Service 2" Single Water Service 3" Single Water Service 4" Single Water Service 6" Single Water Service Blow Off Hydrant 1" Combination Air Valve Assembly Pressure Reducing Station Water Service, Air Valve, Blow Off Vault Installation Placement Water Main Trench Casing Pipe Horizontal Thrust Blocking Polyethylene Encasement Polyethylene Encasement Specifications Reduced Pressure Backflow Assemblies "RPBA's & RDDA's" Hydrant Assembly Hydrant Location Connection to Existing Main & Hot Tap Pipe Restraint Requirements General Construction Notes Resilient Seated Gate Valve