Director's Rules

Active Rules that interpret Building Code (Ch 22.100)

DR # Name
6-2023 A Method for the Seismic Improvement of Unreinforced Masonry (URM) Buildings
7-2021 Alternate Design Requirements for lateral force-resisting systems in buildings between 160 and 185 feet in height
8-2021 Alternate Design Requirements for Use of Special Reinforced Concrete Shear Walls in Over Height Buildings
15-2021 Seismic Evaluation Report Requirements for Buildings Undergoing Substantial Alterations
9-2018 Clarification and corrections to energy modeling procedures of the 2015 Seattle Energy Code
2-2017 Alternate for the use of lateral force-resisting systems in buildings between 160 and 185 feet in height
9-2017 Small Efficiency Dwelling Units
19-2017 Partial/phased occupancy, occupancy during construction & temp. c of occupancy
5-2016 General Duties & Responsibilities of Geotechnical Engineers
6-2016 Additional General Duties & Responsibilities of Structural & Geotech Special Inspection Agencies
15-2015 Structural Steel Welder Qualifications
5-2014 Seismic Design Alternative for Elevators
7-2014 Sprinkler Systems & Fire Alarms for Elevator Machinery Rooms, Cpontrol Rooms, Hoistways & Pits
10-2014 Steel fabricators
11-2014 Continuously Approved Concrete Design Mixes: Review Criteria & Procedure
12-2014 Shotcrete for Structural Applications, Including Duties & Responsibilities of Registered Special Inspectors
13-2014 Continuous & Periodic Batch Plant Inspection Procedures
14-2014 Post-tensioned concrete Installation & Special Inspection Requirements
23-2014 Method of Specifying Thickness of Spray-Applied Resistant Material (SFRM) for Structural Steel
24-2014 Field Inspection Procedures for Spray- Applied Fire Resistant Material (SFRM)
7-2012 Testing of stairway and hoistway pressurization systems in high rise buildings
4-2009 Demolition permits w/ waste diversion plan
10-2009 Small Diameter Pipe Piles (Pin Piles)
23-2008 Criteria for Allowing 6'-4" Ceiling Height in Dwelling Units
24-2008 Determining Level of Repair for Damaged Buildings
11-2006 Augercast Piles: Mix, Inspection, and Reporting Requirements
24-2005 Storage and Use of Hazardous Materials, Including Flammable And Combustible Liquids, in Freight Containers Outside of Buildings
29-2005 Structural Support of Ducts and Mechanical Equipment
30-2005 Ventilation Systems in Research and Educational Laboratories (Fume Hoods)
5-2004 Alteration and Repair of Unreinforced Masonry Chimneys
8-2000 Building Identification Plan Requirement for Properties Having More than Two Buildings
7-99 Fire Inspection Procedures for Spray-Applied Fire-Resistive Materials (SFRM)
23-87 General Duties and Responsibilities of Registered Special Inspectors

33 Rules Found

Keeping Your Rules Up-to-date

We publish official legal notice for all Director’s Rules in Seattle's Daily Journal of Commerce. We also publish notice about land use rules in our Land Use Information Bulletin through the Seattle Services Portal. To receive an email alert when the Land Use Information Bulletin is posted contact our Public Resource Center.


Draft Director's Rules


DDR 7-2024, Designation of Tier 2 Trees

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DDR SDCI 2-2024/SDOT 02-2024 City of Seattle Light Rail Design Guidelines

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Still Need Help?

If you have questions about superseded or rescinded rules, please contact Hillarie Lee at (206) 503-5710.