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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

West Side Storage Project

Pervious pavement codes, engineering standards, maps and comprehensive plans related to utilities are presented here. You can download the Adobe Acrobat Reader to view files presented in portable document format (PDF). Utilities engineering standards are updated annually.

The sewer, surface water, and water engineering standards have been updated for 2012, with revisions taking effect on January 1, 2013.

The 2013 surface water, and water engineering standards are available here; hard copies are available at the Service First desk at City Hall.

Current (2013) Water Engineering Standards
Current (2013) Surface Water Engineering Standards
Current (2013) Sewer Engineering Standards
2010 Storm Maintenance Standards
Single Family Residential Stormwater Guidelines

Natural Drainage Practice Guidelines for Single Family Residential Development

Amended Soil and Post Construction Soil Quality and Depth
Pervious Pavement

Note to utility extension permit applicants
Generally, the standards in effect when a permit is applied for will apply to the project. See the Standards Update Notice for details.

Utilities Comprehensive Plans

2006 Water Comprehensive Plan

Projects

Coal Creek Parkway Culvert Replacement

INSPECTION SURVEY: If you have had an inspection recently, we would like to hear from you.
Why take the 3-minute survey? Inspection Services Customer Survey Supervisor phone #s

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