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Chapter 51-51 WAC

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STATE BUILDING CODE ADOPTION AND AMENDMENT OF THE 2021 EDITION OF THE INTERNATIONAL RESIDENTIAL CODE

WAC Sections

HTMLPDF51-51-001Authority.
HTMLPDF51-51-002Purpose.
HTMLPDF51-51-003International Residential Code.
HTMLPDF51-51-007Exceptions.
HTMLPDF51-51-008Implementation.
HTMLPDF51-51-01010Section R101—Scope and general requirements.
HTMLPDF51-51-0102Section R102—Applicability.
HTMLPDF51-51-0106Reserved.
HTMLPDF51-51-0202Section R202—Definitions.
HTMLPDF51-51-0301Section R301—Design criteria.
HTMLPDF51-51-0302Section R302—Fire-resistant construction.
HTMLPDF51-51-0303Section R303—Light, ventilation and heating.
HTMLPDF51-51-0307Section R307—Toilet, bath and shower spaces.
HTMLPDF51-51-0308Reserved.
HTMLPDF51-51-0309Section R309—Garages and carports.
HTMLPDF51-51-03100Section 310—Emergency escape and rescue openings.
HTMLPDF51-51-0311Section R311—Means of egress.
HTMLPDF51-51-0312Section R312—Guards and window fall protection.
HTMLPDF51-51-0313Section R313—Automatic fire sprinkler systems.
HTMLPDF51-51-0314Section R314—Smoke alarms and heat detection.
HTMLPDF51-51-0315Section R315—Carbon monoxide alarms.
HTMLPDF51-51-0317Reserved.
HTMLPDF51-51-0322Reserved.
HTMLPDF51-51-03240Section R324—Solar energy systems.
HTMLPDF51-51-0325Section R325—Mezzanines.
HTMLPDF51-51-0326Section R326—Habitable attics.
HTMLPDF51-51-0327Section R327—Swimming pools, spas, and hot tubs.
HTMLPDF51-51-0328Section R328—Energy storage systems.
HTMLPDF51-51-0329Reserved.
HTMLPDF51-51-0330Section R330—Adult family homes.
HTMLPDF51-51-0331Section R331—Family home child care.
HTMLPDF51-51-0332Section R332—Protection against radon.
HTMLPDF51-51-0333Section R333—Lofts.
HTMLPDF51-51-0334Section R334—Stationary fuel cell power systems.
HTMLPDF51-51-0403Section R403—Footings.
HTMLPDF51-51-0404Reserved.
HTMLPDF51-51-0408Section R408—Under-floor space.
HTMLPDF51-51-0501Reserved.
HTMLPDF51-51-0502Section R502—Reserved.
HTMLPDF51-51-0507Section R507—Decks.
HTMLPDF51-51-0602Section R602—Wood wall framing.
HTMLPDF51-51-0608Reserved.
HTMLPDF51-51-0609Section R609—Exterior windows and doors.
HTMLPDF51-51-0612Reserved.
HTMLPDF51-51-0702Section R702—Interior covering.
HTMLPDF51-51-0703Section R703—Exterior covering.
HTMLPDF51-51-0806Section R806—Reserved.
HTMLPDF51-51-0903Section R903—Weather protection.
HTMLPDF51-51-1001Section R1001—Masonry fireplaces.
HTMLPDF51-51-1002Section R1002—Masonry heaters.
HTMLPDF51-51-1004Section R1004—Factory-built fireplaces.
HTMLPDF51-51-1006Section R1006—Exterior air supply.
HTMLPDF51-51-1201Section M1201—General.
HTMLPDF51-51-1301Section M1301—General.
HTMLPDF51-51-1302Section M1302—Reserved.
HTMLPDF51-51-1307Section M1307—Appliance installation.
HTMLPDF51-51-1413Section M1413—Evaporative cooling equipment.
HTMLPDF51-51-1415Section M1415—Reserved.
HTMLPDF51-51-1501Reserved.
HTMLPDF51-51-1503Section M1503—Domestic cooking exhaust equipment.
HTMLPDF51-51-1504Section 1504—Exhaust ducts and exhaust openings.
HTMLPDF51-51-1505Section M1505—Mechanical ventilation.
HTMLPDF51-51-1507Reserved.
HTMLPDF51-51-1508Section M1508—Reserved.
HTMLPDF51-51-1600Chapter 16—Duct systems.
HTMLPDF51-51-1700Chapter 17—Combustion air.
HTMLPDF51-51-2000Chapter 20—Boilers and water heaters.
HTMLPDF51-51-2101Section M2101—Hydronic piping systems installation.
HTMLPDF51-51-2103Section M2103—Floor heating systems.
HTMLPDF51-51-2105Section M2105—Ground-source heat-pump system loop piping.
HTMLPDF51-51-2300Section M2301—Solar thermal energy systems.
HTMLPDF51-51-2439Reserved.
HTMLPDF51-51-2904Section 2904—Dwelling unit fire-sprinkler systems.
HTMLPDF51-51-4400Referenced standards.
HTMLPDF51-51-4501Chapter 45—Existing buildings and structures.
HTMLPDF51-51-4502Section R4502—Compliance.
HTMLPDF51-51-4503Section R4503—Repairs.
HTMLPDF51-51-4504Section R4504—Alterations.
HTMLPDF51-51-4505Section R4505—Additions.
HTMLPDF51-51-4506Section R4506—Relocations.
HTMLPDF51-51-60101Appendix F radon control methods.
HTMLPDF51-51-60103Section AF103—Requirements.
HTMLPDF51-51-60104Appendix AQ—Tiny houses.
HTMLPDF51-51-60105Appendix U—Dwelling unit fire sprinkler systems.
HTMLPDF51-51-60106Appendix T—Solar-ready provisions-detached one- and two-family dwellings and townhouses.
HTMLPDF51-51-60107Appendix AWV—Fire sprinklers.
HTMLPDF51-51-60108Appendix Y—Construction and demolition material management.
HTMLPDF51-51-60109Appendix Z—Building deconstruction.
DISPOSITION OF SECTIONS FORMERLY CODIFIED IN THIS TITLE
51-51-0101Section R101—Title, scope and purpose. [Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 04-01-109, § 51-51-0101, filed 12/17/03, effective 7/1/04.] Repealed by WSR 07-01-090, filed 12/19/06, effective 7/1/07. Statutory Authority: RCW 19.27.074, 19.27.020, and chapters 19.27 and 34.05 RCW.
51-51-0310Section R310—Emergency escape and rescue openings. [Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 16-03-025, § 51-51-0310, filed 1/11/16, effective 7/1/16.] Repealed by stipulated order 16-2-00594-34 of Thurston County Superior Court, WSR 16-11-018, filed 5/6/16, effective 6/30/16.
51-51-0324Section R324—Adult family homes. [Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 04-01-109, § 51-51-0324, filed 12/17/03, effective 7/1/04.] Repealed by WSR 07-01-090, filed 12/19/06, effective 7/1/07. Statutory Authority: RCW 19.27.074, 19.27.020, and chapters 19.27 and 34.05 RCW.
51-51-0613Section R613—Exterior windows and glass doors. [Statutory Authority: RCW 19.27.074, 19.27.020, and chapters 19.27 and 34.05 RCW. WSR 07-01-090, § 51-51-0613, filed 12/19/06, effective 7/1/07.] Amended and decodified by WSR 10-03-098, filed 1/20/10, effective 7/1/10. Statutory Authority: RCW 19.27.031 and 19.27.074. Recodified as § 51-51-0612.
51-51-2401Section G2401 (101)—General. [Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 04-01-109, § 51-51-2401, filed 12/17/03, effective 7/1/04.] Repealed by WSR 07-01-090, filed 12/19/06, effective 7/1/07. Statutory Authority: RCW 19.27.074, 19.27.020, and chapters 19.27 and 34.05 RCW.
51-51-2415Section G2415 (404)—Piping system installation. [Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 04-01-109, § 51-51-2415, filed 12/17/03, effective 7/1/04.] Repealed by WSR 07-01-090, filed 12/19/06, effective 7/1/07. Statutory Authority: RCW 19.27.074, 19.27.020, and chapters 19.27 and 34.05 RCW.
51-51-4300Chapter 43—Referenced standards. [Statutory Authority: RCW 19.27.074, 19.27.020, and chapters 19.27 and 34.05 RCW. WSR 07-01-090, § 51-51-4300, filed 12/19/06, effective 7/1/07. Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 04-01-109, § 51-51-4300, filed 12/17/03, effective 7/1/04.] Amended and decodified by WSR 10-03-098, filed 1/20/10, effective 7/1/10. Statutory Authority: RCW 19.27.031 and 19.27.074. Recodified as § 51-51-4400.