Chapter 51-50 WAC
STATE BUILDING CODE ADOPTION AND AMENDMENT OF THE 2009 EDITION OF THE INTERNATIONAL BUILDING CODE
(Formerly chapter 51-40 WAC)
Last Update: 12/20/11

WAC SECTIONS

51-50-001 Authority.
51-50-002 Purpose.
51-50-003 International Building Code.
51-50-005 International Building Code requirements for barrier-free accessibility.
51-50-007 Exceptions.
51-50-008 Implementation.
51-50-009 Recyclable materials and solid waste storage.
51-50-0108 Temporary structures and uses.
51-50-0200 Chapter 2 -- Definitions.
51-50-0305 Section 305 -- Educational Group E.
51-50-0308 Section 308 -- Institutional Group I.
51-50-0310 Section 310 -- Residential Group R.
51-50-0403 Section 403 -- High-rise buildings.
51-50-0406 Reserved.
51-50-0407 Reserved.
51-50-0420 Section 420 -- Groups I-1, R-1, R-2, R-3.
51-50-0422 Section 422 -- Ambulatory health care.
51-50-0502 Reserved.
51-50-0504 Section 504 -- Height.
51-50-0506 Building area modifications.
51-50-0509 Reserved.
51-50-0708 Section 708 -- Shaft enclosures.
51-50-0710 Section 710 -- Smoke barriers.
51-50-0902 Section 902 -- Definitions.
51-50-0903 Section 903 -- Automatic sprinkler systems.
51-50-0907 Section 907 -- Fire alarm and detection systems.
51-50-0908 Section 908 -- Emergency alarm systems.
51-50-0909 Section 909 -- Smoke control systems.
51-50-0911 Section 911 -- Fire command center.
51-50-1005 Section 1005 -- Egress width.
51-50-1007 Section 1007 -- Accessible means of egress.
51-50-1008 Section 1008 -- Doors, gates and turnstiles.
51-50-1009 Section 1009 -- Stairways and handrails.
51-50-10100 Section 1010 -- Ramps.
51-50-1014 Exit access.
51-50-1015 Reserved.
51-50-1018 Section 1018 -- Corridors.
51-50-1019 Reserved.
51-50-1101 Section 1101 -- General.
51-50-1106 Section 1106 -- Parking and passenger loading facilities.
51-50-1107 Section 1107 -- Dwelling units and sleeping units.
51-50-1203 Section 1203 -- Ventilation.
51-50-1204 Section 1204 -- Temperature control.
51-50-1208 Section 1208 -- Interior space dimensions.
51-50-1210 Section 1210 -- Surrounding materials.
51-50-1403 Section 1403 -- Performance requirements.
51-50-1405 Section 1405 -- Installation of wall coverings.
51-50-1602 Reserved.
51-50-1607 Reserved.
51-50-1609 Section 1609 -- Wind loads.
51-50-1613 Reserved.
51-50-1702 Section 1702 -- Definitions.
51-50-1715 Section 1715 -- Preconstruction load tests.
51-50-2104 Section 2104 -- Construction.
51-50-2106 Reserved.
51-50-21070 Section 2107 -- Allowable stress design.
51-50-2108 Section 2108 -- Strength design of masonry.
51-50-2111 Section 2111 -- Masonry fireplaces.
51-50-2114 Section 2114 -- Emission standards.
51-50-2400 Chapter 24 -- Glass and glazing.
51-50-2900 Chapter 29 -- Minimum plumbing fixtures and sanitation facilities.
51-50-3001 Reserved.
51-50-3004 Section 3004 -- Hoistway venting.
51-50-3006 Section 3006 -- Machine rooms.
51-50-3103 Temporary structures.
51-50-3108 Section 3108 -- Telecommunications and broadcast towers.
51-50-3109 Section 3109 -- Swimming pool enclosures and safety devices.
51-50-31200 Section 31-2 -- Standard test method for particulate emissions from fireplaces.
51-50-3401 Section 3401 -- General.
51-50-3404 Section 3404 -- Alterations.
51-50-3410 Section 3410 -- Moved structures.
51-50-3411 Section 3411 -- Accessibility for existing buildings.
51-50-480000 2009 International Existing Building Code.
INTERNATIONAL EXISTING BUILDING CODE

2009 EDITION
51-50-480101 Section 101 -- General.
51-50-480102 Section 102 -- Applicability.
51-50-480302 Reserved.
51-50-480305 Reserved.
51-50-480307 Section 307 -- Change of occupancy.
51-50-480405 Section 405 -- Alteration -- Level 3.
51-50-480506 Reserved.
51-50-480607 Section 607 -- Energy conservation.
51-50-480704 Section 704 -- Fire protection.
51-50-480711 Section 711 -- Energy conservation.
51-50-480807 Section 807 -- Structural.
51-50-480808 Section 808 -- Energy conservation.
51-50-480912 Section 912 -- Change of occupancy classification.
51-50-481101 Chapter 11 -- Historic buildings -- Section 1101 -- General.
51-50-481102 Reserved.
51-50-481103 Section 1103 -- Fire safety.
51-50-481104 Alterations.
51-50-481105 Section 1105 -- Change of occupancy.
51-50-481106 Reserved.
51-50-481201 Section 1201 -- General.
51-50-481301 Reserved.
51-50-481500 Reserved.
DISPOSITIONS OF SECTIONS FORMERLY CODIFIED IN THIS CHAPTER
51-50-004 Conflicts with Washington State Ventilation and Indoor Air Quality Code. [Statutory Authority: RCW 19.27.031 and 19.27.074. 04-01-108, § 51-50-004, filed 12/17/03, effective 7/1/04.]  Repealed by 10-03-097, filed 1/20/10, effective 7/1/10. Statutory Authority: RCW 19.27.031 and 19.27.074. 
51-50-0107 Temporary structures and uses. [Statutory Authority: RCW 19.27.074, 19.27.020, and chapters 70.92, 19.27, and 34.05 RCW. 07-01-091, § 51-50-0107, filed 12/19/06, effective 7/1/07.]  Decodified and amended by 10-03-097, filed 1/20/10, effective 7/1/10. Statutory Authority: RCW 19.27.031 and 19.27.074. Recodified as WAC 51-50-0108. 
51-50-0302 Section 302 -- Classification. [Statutory Authority: RCW 19.27.031 and 19.27.074. 04-01-108, § 51-50-0302, filed 12/17/03, effective 7/1/04.]  Repealed by 07-01-091, filed 12/19/06, effective 7/1/07. Statutory Authority: RCW 19.27.074, 19.27.020, and chapters 70.92, 19.27, and 34.05 RCW. 
51-50-0313 Section 313 -- Licensed Care Group LC. [Statutory Authority: RCW 19.27.031 and 19.27.074. 04-01-108, § 51-50-0313, filed 12/17/03, effective 7/1/04.]  Repealed by 07-01-091, filed 12/19/06, effective 7/1/07. Statutory Authority: RCW 19.27.074, 19.27.020, and chapters 70.92, 19.27, and 34.05 RCW. 
51-50-0419 Section 419 -- Group LC. [Statutory Authority: RCW 19.27.031 and 19.27.074. 04-01-108, § 51-50-0419, filed 12/17/03, effective 7/1/04.]  Repealed by 07-01-091, filed 12/19/06, effective 7/1/07. Statutory Authority: RCW 19.27.074, 19.27.020, and chapters 70.92, 19.27, and 34.05 RCW. 
51-50-0707 Section 707 -- Shaft enclosures. [Statutory Authority: RCW 19.27.074, 19.27.020, and chapters 70.92, 19.27, and 34.05 RCW. 07-01-091, § 51-50-0707, filed 12/19/06, effective 7/1/07. Statutory Authority: RCW 19.27.031 and 19.27.074. 04-01-108, § 51-50-0707, filed 12/17/03, effective 7/1/04.]  Decodified and amended by 10-03-097, filed 1/20/10, effective 7/1/10. Statutory Authority: RCW 19.27.031 and 19.27.074. Recodified as WAC 51-50-0708. 
51-50-1010 Section 1010 -- Ramps. [Statutory Authority: RCW 19.27.031 and 19.27.074. 04-01-108, § 51-50-1010, filed 12/17/03, effective 7/1/04.]  Repealed by 07-01-091, filed 12/19/06, effective 7/1/07. Statutory Authority: RCW 19.27.074, 19.27.020, and chapters 70.92, 19.27, and 34.05 RCW. 
51-50-1017 Corridors. [Statutory Authority: RCW 19.27.074, 19.27.020, and chapters 70.92, 19.27, and 34.05 RCW. 07-01-091, § 51-50-1017, filed 12/19/06, effective 7/1/07.]  Decodified and amended by 10-03-097, filed 1/20/10, effective 7/1/10. Statutory Authority: RCW 19.27.031 and 19.27.074. Recodified as WAC 51-50-1018. 
51-50-1024 Section 1024 -- Assembly. [Statutory Authority: RCW 19.27.031 and 19.27.074. 04-01-108, § 51-50-1024, filed 12/17/03, effective 7/1/04.]  Repealed by 07-01-091, filed 12/19/06, effective 7/1/07. Statutory Authority: RCW 19.27.074, 19.27.020, and chapters 70.92, 19.27, and 34.05 RCW. 
51-50-1103 Section 1103 -- Scoping requirements. [Statutory Authority: RCW 19.27.031 and 19.27.074. 04-01-108, § 51-50-1103, filed 12/17/03, effective 7/1/04.]  Repealed by 07-01-091, filed 12/19/06, effective 7/1/07. Statutory Authority: RCW 19.27.074, 19.27.020, and chapters 70.92, 19.27, and 34.05 RCW. 
51-50-1104 Section 1104 -- Accessible route. [Statutory Authority: RCW 19.27.031 and 19.27.074. 04-01-108, § 51-50-1104, filed 12/17/03, effective 7/1/04.]  Repealed by 07-01-091, filed 12/19/06, effective 7/1/07. Statutory Authority: RCW 19.27.074, 19.27.020, and chapters 70.92, 19.27, and 34.05 RCW. 
51-50-1105 Section 1105 -- Accessible entrances. [Statutory Authority: RCW 19.27.031 and 19.27.074. 04-01-108, § 51-50-1105, filed 12/17/03, effective 7/1/04.]  Repealed by 07-01-091, filed 12/19/06, effective 7/1/07. Statutory Authority: RCW 19.27.074, 19.27.020, and chapters 70.92, 19.27, and 34.05 RCW. 
51-50-1109 Section 1109 -- Other features and facilities. [Statutory Authority: RCW 19.27.020, 19.27.031, 19.27.074 and chapters 19.27 and 34.05 RCW. 05-01-014, § 51-50-1109, filed 12/2/04, effective 7/1/05. Statutory Authority: RCW 19.27.031 and 19.27.074. 04-01-108, § 51-50-1109, filed 12/17/03, effective 7/1/04.]  Repealed by 07-01-091, filed 12/19/06, effective 7/1/07. Statutory Authority: RCW 19.27.074, 19.27.020, and chapters 70.92, 19.27, and 34.05 RCW. 
51-50-1605 Section 1605 -- Load combinations. [Statutory Authority: RCW 19.27.020, 19.27.031, 19.27.074 and chapters 19.27 and 34.05 RCW. 05-01-014, § 51-50-1605, filed 12/2/04, effective 7/1/05.]  Repealed by 07-01-091, filed 12/19/06, effective 7/1/07. Statutory Authority: RCW 19.27.074, 19.27.020, and chapters 70.92, 19.27, and 34.05 RCW. 
51-50-1709 Section 1709 -- Structural observations. [Statutory Authority: RCW 19.27.031 and 19.27.074. 04-01-108, § 51-50-1709, filed 12/17/03, effective 7/1/04.]  Repealed by 07-01-091, filed 12/19/06, effective 7/1/07. Statutory Authority: RCW 19.27.074, 19.27.020, and chapters 70.92, 19.27, and 34.05 RCW. 
51-50-1714 Section 1714 -- Preconstruction load tests. [Statutory Authority: RCW 19.27.074, 19.27.020, and chapters 70.92, 19.27, and 34.05 RCW. 07-01-091, § 51-50-1714, filed 12/19/06, effective 7/1/07.]  Decodified and amended by 10-03-097, filed 1/20/10, effective 7/1/10. Statutory Authority: RCW 19.27.031 and 19.27.074. Recodified as WAC 51-50-1715. 
51-50-2107 Section 2107 -- Working stress design. [Statutory Authority: RCW 19.27.020, 19.27.031, 19.27.074 and chapters 19.27 and 34.05 RCW. 05-01-014, § 51-50-2107, filed 12/2/04, effective 7/1/05.]  Repealed by 07-01-091, filed 12/19/06, effective 7/1/07. Statutory Authority: RCW 19.27.074, 19.27.020, and chapters 70.92, 19.27, and 34.05 RCW. 
51-50-2406 Section 2406 -- Safety glazing. [Statutory Authority: RCW 19.27.020, 19.27.031, 19.27.074 and chapters 19.27 and 34.05 RCW. 05-24-070, § 51-50-2406, filed 12/5/05, effective 7/1/06.]  Repealed by 07-01-091, filed 12/19/06, effective 7/1/07. Statutory Authority: RCW 19.27.074, 19.27.020, and chapters 70.92, 19.27, and 34.05 RCW. 
51-50-3002 Section 3002 -- Hoistway enclosures. [Statutory Authority: RCW 19.27.031 and 19.27.074. 04-01-108, § 51-50-3002, filed 12/17/03, effective 7/1/04.]  Repealed by 07-01-091, filed 12/19/06, effective 7/1/07. Statutory Authority: RCW 19.27.074, 19.27.020, and chapters 70.92, 19.27, and 34.05 RCW. 
51-50-3003 Section 3003 -- Emergency operations. [Statutory Authority: RCW 19.27.031 and 19.27.074. 04-01-108, § 51-50-3003, filed 12/17/03, effective 7/1/04.]  Repealed by 07-01-091, filed 12/19/06, effective 7/1/07. Statutory Authority: RCW 19.27.074, 19.27.020, and chapters 70.92, 19.27, and 34.05 RCW. 
51-50-3005 Section 3005 -- Conveying systems. [Statutory Authority: RCW 19.27.031 and 19.27.074. 04-01-108, § 51-50-3005, filed 12/17/03, effective 7/1/04.]  Repealed by 07-01-091, filed 12/19/06, effective 7/1/07. Statutory Authority: RCW 19.27.074, 19.27.020, and chapters 70.92, 19.27, and 34.05 RCW. 
51-50-3408 Section 3408 -- Moved structures. [Statutory Authority: RCW 19.27.031 and 19.27.074. 04-01-108, § 51-50-3408, filed 12/17/03, effective 7/1/04.]  Decodified and amended by 10-03-097, filed 1/20/10, effective 7/1/10. Statutory Authority: RCW 19.27.031 and 19.27.074. Recodified as WAC 51-50-3410. 
51-50-3409 Section 3409 -- Accessibility for existing buildings. [Statutory Authority: RCW 19.27.074, 19.27.020, and chapters 70.92, 19.27, and 34.05 RCW. 07-01-091, § 51-50-3409, filed 12/19/06, effective 7/1/07. Statutory Authority: RCW 19.27.031 and 19.27.074. 04-01-108, § 51-50-3409, filed 12/17/03, effective 7/1/04.]  Decodified and amended by 10-03-097, filed 1/20/10, effective 7/1/10. Statutory Authority: RCW 19.27.031 and 19.27.074. Recodified as WAC 51-50-3411.