Water Standard Details

For access to these documents or any questions about utility requirements, contact Utilities Engineering at (650) 566-4503. These documents can be purchased in book form at Revenue Collections, 1st floor, 250 Hamilton Avenue, Palo Alto, CA 94301, (650) 329-2317. 

General Standard Details Description
(Click here for the Complete WGW Standards)

Standard Detail No.

Water, Gas, Sewer Main & Service Location

WGW - 01

Trench Backfill

WGW - 02

Trench Backfill for Shallow Water Mains

WGW - 03

Pipe Bedding

WGW - 04

Commercial Bollard Standard Detail

WGW - 05

Residential Bollard Standard Detail

WGW - 06

Gas and Water Valve Concrete Collar

WGW - 07

Water - Sewer Separation Criteria

WGW - 08

Water Standard Detail Description

Standard Detail No.

2" HDPE Water Service with 1" or 5/8" Meter

WD- 01A

1" Copper Water Service with 1" or 5/8" Meter (for contaminated soil areas only)

WD - 01B

2" HDPE Water Service with 1-1/2" or 2" Meter

WD - 02A

2" Copper Water Service with 1-1/2" or 2" Meter (for contaminated soil areas only)

WD - 02B

4" thru 8" HDPE Pipe Domestic and /Fire Service Connection

WD - 03A

2" HDPE Pipe Dedicated Fire Service Connection

WD - 03B

4" or 6" Water Meter Set with 2" By-Pass

WD - 05

2" HDPE Water Service with Two 5/8" or 1" Meters

WD - 06

2" Water Service Manifold with Two or More Meters

WD - 07

2" HDPE Water Service Tap Fire Service

WD - 08

Combination Fire and 4" Water Service Connection

WD - 10

Combination Fire and 4" Water Service Connection with Two or More Meters

WD - 11

1730 Meter Box with Multiple 1" or 5/8" Water Meters

WD - 12A

2448 or 2460 Meter Box with Multiple 1" or 5/8" Water Meters

WD - 12B

Reduced Pressure Principle Assembly - RPPA

WD - 17-A

Parallel Reduced Pressure Principal Assemblies

WD - 17B

Reduced Pressure Detector Assembly - RPDA For Automatic Fire Sprinkler

WD - 18A

Reduced Pressure Detector Assembly - RPDA Inside Instillation

WD - 18B

Double Check Assembly - DCA Vault Installation

WD - 18C

Double Check Assembly - DCA - Vertical Installation  WD - 18D
Residential Double Check Assembly - DCA Vault Installation WD - 18E

Thrust Block Table

WD - 19

Gate Valve Assembly

WD - 20

Fire Hydrant Assembly

WD - 21

Fire Hydrant Abandonment

WD - 22

Vertical Bends - HDPE Pipe Connection to Non-HDPE Pipe

WD - 23

Valve Tie-Back During Construction

WD - 24

Valve Stem Extensions

WD - 25

1" Water Service Line Replacement and Reconnection

WD - 26

Cut and Cap Existing Main

WD - 27

Fire Hydrant Blow-Off

WD - 28

Air Release Valve

WD - 29

New Gate Valve on Existing Water Main

WD - 30

Last Updated: Apr 30, 2015