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City of Bellevue, WA Utilities
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2018 Water Engineering Standard Details

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    Water Engineering Standards

    • 2025 Details
    • 2024 Details
    • 2023 Details
    • 2022 Details
    • 2021 Details
    • 2020 Details
    • 2019 Details
    • 2018 Details
    • 2017 Details
    • 2016 Details
    • 2015 Details
    • Previous Years Details

    W-1CONCRETE BLOCKING

    W-2VERTICAL BLOCKING WITH RESTRAINEDJOINTS FOR NEW LINES

    W-3VERTICAL BLOCKING FOR CONNECTING TO EXISTING MAIN

    W-4CONCRETE SLOPE ANCHOR DETAIL

    W-5PIPE CLAMP AND ANCHOR RODS FOR CONCRETE BLOCKING

    W-6TYPICAL TRENCH DETAIL

    W-7CASING INSTALLATION

    W-8TYPICAL A.C. WATER MAIN CROSSING REPLACEMENT DETAIL

    W-9FILLING NEW WATER MAINS

    W-10TAPPING TEES

    W-11VALVE BOX INSTALLATION

    W-12VALVE OPERATING EXTENSION

    W-13FIRE HYDRANT ASSEMBLY

    W-14FIRE HYDRANT GUARD POST & VALVE MARKER POST

    W-152" BLOW-OFF ASSEMBLY

    W-161" AIR RELEASE VALVE ASSEMBLY

    W-17STANDARD PRESSURE REDUCING STATION

    W-18TYPICAL P.R.V. SCHEMATIC

    W-19PRESSURE REDUCING STATION ACCESS LADDER AND PRESSURE RELIEF DRAIN

    W-20INDIVIDUAL PRESSURE REDUCING VALVE ASSEMBLY (RESIDENTIAL)


     

    W-21INDIVIDUAL PRESSURE REDUCING VALVE ASSEMBLY(MULTI-FAMILY OR COMMERCIAL) 

    W-22INDIVIDUAL PRESSURE REDUCING VALVE ASSEMBLY WITH PRESSURE RELIEF (MULTI-FAMILY OR COMMERCIAL)

    W-231"X 1" SINGLE WATER SERVICE OR DOMESTIC RRIGATION SERVICE (HORIZONTAL METER SETTER)

    W-241" X 1" SINGLE WATER SERVICE OR DOMESTIC RRIGATION SERVICE (VERTICAL METER SETTER)

    W-251-1/2” DOMESTIC WATER AND/OR FIRE SERVICE

    W-26 1-1/2” DOMESTIC WATER SERVICE (COMMERCIAL AND MULTI-FAMILY)

    W-27 1-1/2” IRRIGATION WATER SERVICE

    W-281-1/2” IRRIGATION WATER SERVICE (COMMERCIAL AND MULTI-FAMILY)

    W-292" DOMESTIC WATER AND/OR FIRE SERVICE

    W-302" DOMESTIC WATER SERVICE (COMMERCIAL AND MULTI-FAMILY)

    W-312" IRRIGATION WATER SERVICE

    W-322" IRRIGATION OR FIRE SPRINKLER WATER SERVICE(COMMERCIAL AND MULTI-FAMILY)

    W-33a3” DOMESTIC METER INSTALLATION

    W-33b3” DOMESTIC METER MATERIALS LIST AND VAULT  REQUIREMENTS 

    W-33c4” DOMESTIC METER INSTALLATION 

    W-33d4” DOMESTIC METER MATERIALS LIST AND VAULT REQUIREMENTS 

    W-33e 6” DOMESTIC METER INSTALLATION 

    W-33f6” DOMESTIC METER MATERIALS LIST AND VAULT  REQUIREMENTS 

    W-34a 8" DOMESTIC METER INSTALLATION 

    W-34b 8” DOMESTIC METER MATERIALS LIST AND VAULTREQUIREMENTS 

    W-353" TO 6" IRRIGATION METER INSTALLATION

    W-361" TO 2" DOUBLE CHECK VALVE ASSEMBLY FOR IRRIGATION SYSTEMS (OUTSIDE INSTALLATION)

    W-37NOT USED

    W-38DOUBLE CHECK VALVE ASSEMBLY (INSIDE INSTALLATION)

    W-39OUTSIDE DCVA INSTALLATION FOR 1-1/2” AND 2"COMMERCIAL FIRE SPRINKLER SYSTEMS

    W-40OUTSIDE DCVA INSTALLATION FOR 3” AND LARGER COMMERCIAL FIRE SPRINKLER SYSTEMS

    W-411-1/2” AND 2" DOMESTIC DOUBLE CHECK VALVE ASSEMBLY FOR CONTINUOUS SUPPLY (OUTSIDE INSTALLATION)

    W-423" TO 6" DOMESTIC DOUBLE CHECK VALVE ASSEMBLY FOR CONTINUOUS SUPPLY (OUTSIDE INSTALLATION)

    W-438" AND 10" DOMESTIC DOUBLE CHECK VALVE ASSEMBLY FOR CONTINUOUS SUPPLY (OUTSIDE INSTALLATION)

    W-443" TO 10" DOUBLE CHECK VALVE ASSEMBLY FOR DOMESTIC AND IRRIGATION SERVICES (OUTSIDE INSTALLATION)

    W-453" TO 10" DOUBLE CHECK DETECTOR ASSEMBLY FOR FIRE SPRINKLER SYSTEMS (OUTSIDE INSTALLATION)

    W-46aREDUCED PRESSURE BACKFLOW ASSEMBLY FOR DOMESTIC AND IRRIGATION SERVICES (OUTSIDE INSTALLATION)

    W-46b 3" TO 10" REDUCED PRESSURE BACKFLOW ASSEMBLY FOR DOMESTIC AND IRRIGATION SERVICES (BURIED VAULT INSTALLATION)

    W-473" TO 10" REDUCED PRESSURE DETECTOR ASSEMBLY FOR FIRE SPRINKLER SYSTEM (OUTSIDE INSTALLATION)

    W-48REDUCED PRESSURE BACKFLOW ASSEMBLY FOR DOMESTIC AND IRRIGATION SERVICE (INSIDE INSTALLATION)

    W-49NOT USED

    W-50REQUIREMENTS FOR FDC AND CHECK VALVE ROUTEDTHROUGH BACKFLOW ASSEMBLY VAULT – 2

    W-51NOT USED

    W-52NOT USED

    W-53PROJECT SIGN DETAIL

    W-54ROADWAY CLEARANCES FOR ABOVE GROUND APPURTENANCES

    W-55FIRELINE VALVE MARKER

    W-56THRUST BLOCK ADJACENT TO VAULT

     

    [TS1] Update detail title

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