Standard Drawings

The standard drawings available on this page have been prepared with the guidance of Western Water’s Operations, Engineering staff and consultants for contractors and developers who have an interest in the preparation of plans and the construction of facilities and improvements under the jurisdiction of Western Water.

Drawing No. Description Revision Date
W-0020 3/4" Through 2" Outlet Saddle Steel Cylinder Pipe 06/25/2025
W-0040 Typical Plan Layout Water Systems 04/17/2024
W-0050 Typical Plan Layout 05/11/2022
W-0070 Domestic Water Service, 3/4" and 1" 04/30/2025
W-0080 1" or 2" Service Manifold Coming Soon
W-0110 Domestic Water Service, 1 1/2" and 2" 04/30/2025
W-0110a Domestic Water Service with Backflow Assembly 04/30/2025
W-0125 Hot Tap 6-inch, 8-inch, 10-inch & 12-inch Mains 05/22/2025
W-0130 Abandonment 3/4-inch to 2-inches Coming Soon
W-0131 Abandonment 3-inches & above Coming Soon
W-0140 Reinforced Pipe Outlets Steel Cylinder Pipe 01/01/2011
W-0150 Gate Valve Assembly 10/07/2024
W-0155 Typical Valve Installation AWWA C-900 P.V.C. Pipe 05/11/2022
W-0214 4" Blowoff Assembly (Above Ground) 01/15/2020
W-0310 Bell and Spigot Joint Bonding Detail Steel Cylinder Pipe 01/01/2011
W-0320 Formed Bell & Spigot Joint Steel Cylinder CML-CC & CML-AW 01/01/2011
W-0350 Formed Bell & Spigot Joint Full Welded Detail CML & CC Pipe 01/01/2011
W-0354 Carnegie Joint CML & CC Pipe 14" Diameter and Larger 01/01/2011
W-0360 Lap Welded Slip Joint Belled End (CML-CC & CML-AW) 01/01/2011
W-0370 Weld Bell to Formed Spigot Joint Field Connection CML-CC & CML-AW 01/01/2011
W-0390 Slip On Weld Flange Joint CML & CC Pipe, 14" & Larger 01/01/2011
W-0410 Slip On Weld Flange Joint CML & CC, 4" thru 12" 01/01/2011
W-0440 Split Butt Strap Field Connection Steel Cylinder Pipe 01/01/2011
W-0460 1" or 2" Air Vacuum & Air Release Valve Assembly 01/15/2020
W-0490 Cathodic Protection Test Station Flange Insulation Gasket Kit 01/01/2011
W-0500 Cathodic Protection Underground Test Station Steel Cylinder Pipe 01/01/2011
W-0510 Cathodic Protection Above Ground Test Station Steel Cylinder Pipe 01/01/2011
W-0520 Double Check Valve Backflow Prevention Assy. (Do not use) 01/01/2011
W-0530 Double Check Alternate - Fire Department Connection 4”, 6”, 8” or 12” 11/29/2025
W-0531 Reduced Pressure Backflow Preventer Detector Assembly 04/30/2025
W-0532 Compact Reduced Pressure Detector Assembly for Large Services (N Style) 04/30/2025
W-0540 Casing for Metallic Pipe 01/01/2011
W-0580 Standard & Super Fire Hydrant 06/25/2025
W-0670 Butterfly Valve Assembly 05/11/2022
W-0680 Water Quality Sampling Station 01/01/2011
W-0690 Pitot Installation 01/01/2011
W-0700 Utility Vault 01/01/2011
W-0705 Ventilation Duct for Vaults 05/13/2015
W-0710 Standard Restraint Tee, Dead End, Bend (for P.V.C. C-900) 04/17/2024
W-0720 Locator Wire Installation 05/08/2025
W-0800 Anode Test Station Installation Detail 01/01/2011
W-0801 2-Anode Test Station Installation Detail 06/02/2021
W-0810 Copper Sulfate Reference Electrode Detail 01/01/2011
W-0820 Insulating Flange Detail 01/01/2011
W-0830 Magnesium Anode Detail 01/01/2011
W-0840 Alumino – Thermic Weld Detail (page 1 of 2) 01/01/2011
W-0850 Cathodic Protection Wiring Diagram 01/01/2011
W-0860 3” & 4” Compound Meter Installation 01/01/2011
W-0870 3” Turbo Meter Installation 05/11/2022
W-1000 Typical Plan Layout Sewer Systems 03/04/2026
W-1010 Typical Pipe Bedding Vitrified Clay Pipe Extra Strength 01/01/2011
W-1020 Concrete Arch 01/01/2011
W-1030 Classes "BB", "B", "C" & "D" Beddings 01/01/2011
W-1040 Concrete Encasement 01/01/2011
W-1050 Sewer Lateral "Normal Cut" 01/01/2011
W-1060 Sewer Lateral "Deep Cut"  01/01/2011
W-1070 Precast Concrete Manhole 01/01/2011
W-1071 Sewer Precast Concrete Sampling Manhole 01/01/2011
W-1073 Blow Off Assembly 6-Inch Coming Soon
W-1080 Drop Manhole 01/01/2011
W-1090 Sewer Clean Out & Terminus Manhole 01/01/2011
W-1100 Manhole Cover & Frame 01/01/2011
W-1110 Connection to Existing Main 01/01/2011
W-1120 Backwater Installation for House Connections 01/01/2011
W-1130 5” Diameter Manhole with Cast in Place Base 06/30/2022
W-1140 Shallow Manhole 06/30/2022
W-1150 4” and 6” Sewer Cut-In Wye Connections 01/01/2011
W-1160 Sewer On-Site Cleanout 01/01/2011
W-1170 Sewer Sample Wye 01/01/2011
W-1175 Grease Interceptor 08/18/2017
W-1210 Recycled Water Service 1 ½” and 2” 01/01/2011
W-1220 ¾” Through 2” Outlet Saddle Steel Cylinder Pipe 01/01/2011
W-1225 1” Air Vacuum & Air Release Valve Assembly 01/01/2011
W-1230 Thrust Block Installation Class 150 & 200 01/01/2011
W-1235 2” Air Vacuum & Air Release Valve Assembly 01/01/2011
W-1255 Typical Valve Installation AWWA C-900 P.V.C. Pipe 01/01/2011
W-1265 6” Blow-off Assembly (Below Ground) 01/01/2011
W-1270 Recycled Water Service ¾” and 1” 01/01/2011
W-1290 Water/Sewer location 01/01/2011
W-1520 4” Guard Posts 01/01/2011
W-1525 Utility Marker Post 02/09/2026
W-1540 Trench Backfill Standard No. 818 01/01/2011
W-1550 Excavation and Backfill Details 01/01/2011
W-1560 Pressure Reducing Station Type "A" (Typical Layout) Page 1 of 4 01/01/2011
W-1564 Pressure Reducing Station Type "B" (Typical Layout) Page 1 of 3 01/01/2011
W-1566 Pressure Reducing Station Type "C" (Typical Layout) Page 1 of 3 01/01/2011
W-1570 Thrust Block Installation Class 150 & 200 05/22/2025
W-1580 Pressure Relief Valve Discharge Outlet 01/01/2011
W-1590 Chain Link Fence Detail 01/01/2011
W-1591 Chain Link Fence Detail 01/01/2011
LS-1 Sewer Lift Station Guidelines – Lift Station Plan 01/01/2011
LS-2 Sewer Lift Station Guidelines – Hatch Plan 01/01/2011
LS-3 Sewer Lift Station Guidelines – Lift Station Section 01/01/2011
LS-4 Sewer Lift Station Guidelines – Control Building Plan 01/01/2011
LS-5 Sewer Lift Station Guidelines – Control Building Section 01/01/2011