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Utilities Codes, Standards and Projects

Introduction
	Codes

Sewer Engineering Standards
	2013 Sewer Engineering Standard Details
	2012 Sewer Engineering Standard Details
	2011 Sewer Engineering Standard Details
	Previous Sewer Engineering Standards

Surface Water Engineering Standards
	2013 Surface Water Engineering Standard Details
	2012 Surface Water Engineering Standards
	2011 Surface Water Engineering Standard Details
	Previous Surface Water Engineering Standards & 1998 Details

Water Engineering Standards
	2013 Water Engineering Standard Details
	2012 Water Engineering Standards
	2011 Water Engineering Standard Details
	Previous Water Engineering Standards

Maps and Forms

Coal Creek Parkway Culvert Replacement

2011 Water Engineering Standard Details

2011 Water Engineering Standards

Detail Drawings	Number
CONCRETE BLOCKING	W-1
VERTICAL BLOCKING WITH RESTRAINED JOINTS FOR NEW LINES	W-2
VERTICAL BLOCKING FOR CONNECTING TO EXISTING MAIN	W-3
CONCRETE SLOPE ANCHOR DETAIL	W-4
PIPE CLAMP AND ANCHOR RODS FOR CONCRETE BLOCKING	W-5
TYPICAL TRENCH DETAIL	W-6
CASING INSTALLATION	W-7
TYPICAL A.C. WATERMAIN CROSSING REPLACEMENT DETAIL	W-8
FILLING NEW WATER MAINS	W-9
TAPPING TEES	W-10
VALVE BOX INSTALLATION	W-11
VALVE OPERATING EXTENTION	W-12
FIRE HYDRANT ASSEMBLY	W-13
FIRE HYDRANT GUARD POST & VALVE MARKER POST	W-14
2” BLOW-OFF ASSEMBLY	W-15
1” AIR & VACUUM RELEASE VALVE ASSEMBLY	W-16
STANDARD PRESSURE REDUCING STATION	W-17
TYPICAL P.R.V. SCHEMATIC	W-18
PRESSURE REDUCING STATION ACCESS LADDER AND PRESSURE RELIEF DRAIN	W-19
INDIVIDUAL PRESSURE REDUCING VALVE ASSEMBLY (RESIDENTIAL)	W-20
INDIVIDUAL PRESSURE REDUCING VALVE ASSEMBLY (MULTI-FAMILY OR COMMERCIAL)	W-21
INDIVIDUAL PRESSURE REDUCING VALVE ASSEMBLY WITH PRESSURE RELIEF (MULTI-FAMILY OR COMMERCIAL)	W-22
SINGLE WATER SERVICE OR DOMESTIC IRRIGATION SERVICE (HORIZONTAL METER SETTER)	W-23
SINGLE WATER SERVICE OR DOMESTIC IRRIGATION SERVICE (VERTICAL METER SETTER)	W-24
1 ½” DOMESTIC WATER AND/OR FIRE SERVICE	W-25
1 ½” DOMESTIC WATER SERVICE (COMMERCIAL AND MULTI-FAMILY)	W-26
1 1/2” IRRIGATION WATER SERVICE	W-27
1 1/2” IRRIGATION WATER SERVICE (COMMERCIAL AND MULTI-FAMILY)	W-28
2” DOMESTIC WATER AND/OR FIRE SERVICE	W-29
2” DOMESTIC WATER AND (COMMERCIAL AND MULTI-FAMILY)	W-30
2” IRRIGATION WATER SERVICE	W-31
2” IRRIGATION OR FIRE SPRINKLER WATER SERVICE (COMMERCIAL AND MULTI-FAMILY)	W-32
3” TO 6” DOMESTIC METER INSTALLATION	W-33
8” DOMESTIC METER INSTALLATION	W-34
3” TO 6” IRRIGATION METER INSTALLATION	W-35
1” TO 2” DOUBLE CHECK VALVE ASSEMBLY FOR IRRIGATION SYSTEMS (OUTSIDE INSTALLATION)	W-36
INSIDE DCVA INSTALLATION FOR RESIDENTAL FIRE SPRINKLER SYSTEMS	W-37
DOUBLE CHECK VALVE ASSEMBLY (INSIDE INSTALLATION)	W-38
OUTSIDE DCVA INSTALLATION FOR 1 ½” TO 2” COMMERCIAL FIRE SPRINKLER SYSTEMS	W-39
OUTSIDE DCVA INSTALLATION FOR 3” OR LARGER COMMERCIAL FIRE SPRINKLER SYSTEMS	W-40
1 ½” TO 2” DOMESTIC DOUBLE CHECK VALVE ASSEMBLY FOR CONTINUOUS SUPPLY (OUTSIDE INSTALLATION)	W-41
3” TO 6” DOMESTIC DOUBLE CHECK VALVE ASSEMBLY FOR CONTINUOUS SUPPLY (OUTSIDE INSTALLATION)	W-42
8” AND 10” DOMESTIC DOUBLE CHECK VALVE ASSEMBLY FOR CONTINUOUS SUPPLY (OUTSIDE INSTALLATION)	W-43
3” TO 10” DOUBLE CHECK VALVE ASSEMBLY FOR DOMESTIC AND IRRIGATION SERVICES (OUTSIDE INSTALLATION)	W-44
3” TO 10” DOUBLE CHECK DETECTOR ASSEMBLY FOR FIRE SPRINKLER SYSTEMS (OUTSIDE INSTALLATION)	W-45
3” TO 10” REDUCED PRESSURE PRINCIPLE BACKFLOW ASSEMBLY FOR DOMESTIC AND IRRIGATION SERVICE (OUTSIDE INSTALLATION)	W-46
3” TO 10” REDUCED PRESSURE DETECTOR ASSEMBLY FOR FIRE SPRINKLER SYSTEMS (OUTSIDE INSTALLATION)	W-47
REDUCED PRESSURE PRINCIPLE BACKFLOW ASSEMBLY FOR DOMESTIC AND IRRIGATION SERVICE (INSIDE INSTALLATION)	W-48
REQUIREMENTS FOR FDC AND CHECK VALVE ROUTED THROUGH BACKFLOW ASSEMBLY VAULT 1	W-49
REQUIREMENTS FOR FDC AND CHECK VALVE ROUTED THROUGH BACKFLOW ASSEMBLY VAULT 2	W-50
FDC ASSEMBLY	W-51
FDC BOLLARDS	W-52
PROJECT SIGN DETAIL	W-53
ROADWAY CLEARANCES FOR ABOVE GROUND APPURTENANCES	W-54
FIRELINE VALVE MARKER	W-55
THRUST BLOCK ADJACENT TO VAULT	W-56

Contact Information

Development Services
450 110th Ave. NE
P.O. Box 90012
Bellevue, WA 98009
Contact: Service First
Phone: 425-452-6800
Business Hours: 8 a.m.-4 p.m., Mon, Tue, Thu and Fri; 10 a.m.-4 p.m., Wed