Washington Administrative Code

[Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 22-13-093, 23-12-107, and 23-20-027, § 51-54A-0607, filed 6/14/22, 6/7/23, and 9/25/23, effective 3/15/24; WSR 21-04-003, § 51-54A-0607, filed 1/20/21, effective 2/20/21; WSR 20-01-162, § 51-54A-0607, filed 12/18/19, effectiv…

[Statutory Authority: RCW 19.27.035 and 19.27.074. WSR 21-02-059, § 51-54A-0609, filed 1/4/21, effective 2/4/21. Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 19-24-058, § 51-54A-0609, filed 11/27/19, effective 7/1/20; WSR 16-03-055, § 51-54A-0609, filed 1/16/16, effectiv…

[Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 22-13-093, 23-12-107, and 23-20-027, § 51-54A-0701, filed 6/14/22, 6/7/23, and 9/25/23, effective 3/15/24; WSR 20-01-162, § 51-54A-0701, filed 12/18/19, effective 7/1/20. Statutory Authority: RCW 19.27.031, 19.27.074 and chap…

806.1.1 Restricted occupancies. Natural cut trees shall be prohibited in the following occupancies:1. Group I; and2. R-2 occupancies providing licensed care to clients in one of the categories listed in the International Building Code, Section 310.1, licensed by Washington state.…

901.4.2 Nonrequired fire protection systems and life safety systems. A fire protection and life safety system or portion thereof not required by this code or the International Building Code shall be allowed to be furnished for partial or complete protection provided such installe…

903.2 Where required. Approved automatic sprinkler systems in new buildings and structures shall be provided in the locations described in Sections 903.2.1 through 903.2.12.EXCEPTIONS:1. Spaces or areas in telecommunications buildings used exclusively for telecommunications equip…

904.1.1 Certification of service personnel for fire-extinguishing equipment. Service personnel performing system design, installation, or conducting system maintenance or testing on automatic fire-extinguishing systems, other than automatic sprinkler systems, shall possess the ap…

907.2.3 Group E. Group E occupancies shall be provided with a manual fire alarm system that initiates the occupant notification signal utilizing one of the following:1. An emergency voice/alarm communication system meeting the requirements of Section 907.5.2.2 and installed in ac…

[Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 16-03-055, § 51-54A-0908, filed 1/16/16, effective 7/1/16. Statutory Authority: Chapters 19.27, 19.27A, and 34.05 RCW. WSR 13-24-017, § 51-54A-0908, filed 11/21/13, effective 4/1/14. Statutory Authority: RCW 19.27A.031, 19.27…

909.21.12 Hoistway venting. Hoistway venting need not be provided for pressurized elevator shafts.909.21.13 Machine rooms. Elevator machine rooms shall be pressurized in accordance with this section unless separated from the hoistway shaft by construction in accordance with Secti…

913.2.1 Protection of fire pump rooms and access. Fire pumps shall be located in rooms that are separated from all other areas of the building by 2-hour fire barriers constructed in accordance with Section 707 of the International Building Code or 2-hour horizontal assemblies con…

915.1.1 Where required. Carbon monoxide detection shall be provided in Group I and R occupancies and in classrooms in Group E occupancies in the locations specified in Section 915.2 where any of the conditions in Sections 915.1.2 through 915.1.6 exist.EXCEPTIONS:1. R-2 occupancie…

[Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 20-01-162, § 51-54A-0916, filed 12/18/19, effective 7/1/20; WSR 16-03-055, § 51-54A-0916, filed 1/16/16, effective 7/1/16.]

[Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 22-13-093, 23-12-107, and 23-20-027, § 51-54A-0918, filed 6/14/22, 6/7/23, and 9/25/23, effective 3/15/24; WSR 20-01-162, § 51-54A-0918, filed 12/18/19, effective 7/1/20.]

1003.7 Elevators, escalators, and moving walks. Elevators, escalators, and moving walks shall not be used as a component of a required means of egress from any other part of the building.EXCEPTIONS:1. Elevators used as an accessible means of egress in accordance with Section 1009…

1004.5 Areas without fixed seating. The number of occupants shall be computed at the rate of one occupant per unit of area as prescribed in Table 1004.5. For areas without fixed seating, the occupant load shall be not less than that number determined by dividing the floor area un…

1005.1 General. All portions of the means of egress system shall be sized in accordance with this section.EXCEPTIONS:1. Aisles and aisle access ways in rooms or spaces used for assembly purposes complying with Section 1030. 2. The capacity in inches, of means of egress components…

1006.2.1 Egress based on occupant load and common path of egress travel distance. Two exits or exit access doorways from any space shall be provided where the design occupant load or the common path of egress travel distance exceeds the values listed in Table 1006.2.1. The cumula…

[Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 16-03-055, § 51-54A-1007, filed 1/16/16, effective 7/1/16. Statutory Authority: RCW 19.27A.031, 19.27.074 and chapters 19.27 and 34.05 RCW. WSR 13-04-063, § 51-54A-1007, filed 2/1/13, effective 7/1/13.]

1008.2.3 Exit discharge. This subsection is not adopted.[Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 22-13-093, 23-12-107, and 23-20-027, § 51-54A-1008, filed 6/14/22, 6/7/23, and 9/25/23, effective 3/15/24; WSR 16-03-055, § 51-54A-1008, filed 1/16/16, effective 7/1/16.…

1009.1 Accessible means of egress required. Accessible means of egress shall comply with this section. Accessible spaces shall be provided with not less than one accessible means of egress. Where more than one means of egress is required by Section 1006.2 or 1006.3 from any acces…

1010.2.4 Locks and latches. Locks and latches shall be permitted to prevent operation of doors where any of the following exists:1. Places of detention or restraint.2. In buildings in occupancy Group A having an occupant load of 300 or less, Groups B, F, M, and S, and in places o…

1011.17 Stairways in individual dwelling units. Stairs or ladders within an individual dwelling unit used for access to areas of 200 square feet (18.6 m2) or less, and not containing the primary bathroom or kitchen, are exempt from the requirements of Section 1009.[Statutory Auth…

1012.1 Scope. The provisions of this section shall apply to ramps used as a component of a means of egress.EXCEPTIONS:1. Other than ramps that are part of the accessible routes providing access in accordance with Sections 1108.2 through 1108.6 of the International Building Code r…

1014.2 Height and location. Handrails serving flights of stairways, ramps, stepped aisles, and ramped aisles shall comply with the provisions of Sections 1014.2.1 and 1014.2.2.1014.2.1 Height.Handrail height, measured above stair tread nosings, or finish surface of ramp slope, sh…

1015.2 Where required.Guards shall be located along open-sided walking surfaces, including mezzanines, equipment platforms, lofts in accordance with Section 420.14 of the International Building Code, aisles, stairs, ramps, and landings that are located more than 30 inches (762 mm…

Table 1017.2Exit Access Travel DistanceaOccupancyWithout Sprinkler System (feet)With Sprinkler System (feet)A, E, F-1, M, R, S-1200e250bI-1Not Permitted250bB200300cF-2, S-2, U300400cH-1Not Permitted75dH-2Not Permitted100dH-3Not Permitted150dH-4Not Permitted175dH-5Not Permitted200…

[Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 16-03-055, § 51-54A-1018, filed 1/16/16, effective 7/1/16. Statutory Authority: RCW 19.27A.031, 19.27.074 and chapters 19.27 and 34.05 RCW. WSR 13-04-063, § 51-54A-1018, filed 2/1/13, effective 7/1/13.]

[Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 23-23-106, § 51-54A-1019, filed 11/15/23, effective 3/16/24; WSR 22-13-093, 23-12-107, and 23-20-027, § 51-54A-1019, filed 6/14/22, 6/7/23, and 9/25/23, effective 3/15/24.]

1020.6 Air movement in corridors. Corridors shall not serve as supply, return, exhaust, relief or ventilation air ducts.EXCEPTIONS:1. Use of a corridor as a source of makeup air for exhaust systems in rooms that open directly onto such corridors, including toilet rooms, bathrooms…

[Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 16-03-055, § 51-54A-1021, filed 1/16/16, effective 7/1/16. Statutory Authority: RCW 19.27A.031, 19.27.074 and chapters 19.27 and 34.05 RCW. WSR 13-04-063, § 51-54A-1021, filed 2/1/13, effective 7/1/13.]

1023.12 Smokeproof enclosures. Where required by Section 403.5.4, 405.7.2 or 412.2.2.1, of the International Building Code, interior exit stairways and ramps shall be smokeproof enclosures in accordance with Section 909.20 of the International Building Code. Where interior exit s…

[Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 20-01-162, § 51-54A-1028, filed 12/18/19, effective 7/1/20; WSR 16-03-055, § 51-54A-1028, filed 1/16/16, effective 7/1/16.]

[Statutory Authority: Chapter 19.27 RCW. WSR 17-10-023, § 51-54A-1030, filed 4/25/17, effective 5/26/17. Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 16-03-055, § 51-54A-1030, filed 1/16/16, effective 7/1/16.]

1103.2 Emergency responder communication enhancement in existing buildings. Existing buildings other than Group R-3, that do not have approved in-building, emergency response communication enhancement system for emergency responders in the building based on existing coverage leve…

1104.1 General. Means of egress in existing buildings shall comply with Section 1032 and 1104.2 through 1104.25.EXCEPTION:Means of egress conforming to the requirements of the building code under which they were constructed and Section 1032 shall not be required to comply with 11…

1105.1 General. This section shall be applied by jurisdictions conducting surveys for compliance with the federal centers for medicare and medicaid reimbursement program. Existing Group I-2 shall meet all of the following requirements:1. The minimum fire safety requirements in Se…

1201.1 Scope. The provisions of this chapter shall apply to the installation, operation, maintenance, repair, retrofitting, testing, commissioning and decommissioning of energy systems used for generating or storing energy including, but not limited to, energy storage systems und…

[Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 22-13-093, 23-12-107, and 23-20-027, § 51-54A-1204, filed 6/14/22, 6/7/23, and 9/25/23, effective 3/15/24; WSR 21-04-003, § 51-54A-1204, filed 1/20/21, effective 2/20/21; WSR 20-01-162, § 51-54A-1204, filed 12/18/19, effectiv…

1205.1 General. Installation, modification, or alteration of solar photovoltaic power systems shall comply with this section. Due to the emerging technologies in the solar photovoltaic industry, it is understood fire code officials may need to amend prescriptive requirements of t…

1206.1 General. Stationary fuel cell power systems in new and existing occupancies shall comply with this section.EXCEPTION:The temporary use of a fuel cell-powered electric vehicle to power a Group R-3 or R-4 building while parked shall comply with Section 1206.13.1206.5 Residen…

1207.1 General. The provisions in this section are applicable to stationary and mobile electrical energy storage systems (ESS).EXCEPTION:ESS in Group R-3 and R-4 occupancies not exceeding thresholds in Section 1207.11.4 shall comply with Section 1207.11 through 1207.11.9.1207.1.1…

2404.2.1 Prohibited enclosures for spray application operations. Inflatable or portable enclosures shall not be used for spray application of flammable finishes.EXCEPTION:Enclosures for the spray application of flammable finishes in marinas, dry docking areas, or construction are…

3103.5 Use period. Temporary tents, air-supported, air-inflated or tensioned membrane structures are permitted to be erected for a period of less than 180 days within a 12-month period on a single premises. Such structures erected for 180 days or more within a 12-month period sha…

3303.1.1 Components of site safety plans.Site safety plans shall include the following as applicable:1. Name and contact information of site safety director.2. Documentation of the training of the site safety director and fire watch personnel.3. Procedures for reporting emergenci…

3304.1 Combustible debris, rubbish, and waste. Combustible debris, rubbish, and waste material shall comply with the requirements of Sections 3304.1.1 through 3304.2.3304.1.1 Combustible waste material accumulation. Combustible debris, rubbish, and waste material shall not be acc…

3305.1 Listed. Temporary heating devices shall be listed and labeled. The installation, maintenance and use of temporary heating devices shall be in accordance with the listing and the manufacturer's instructions.3305.1.1 Oil-fired heaters. Oil-fired heaters shall comply with Sec…

3306.1 Fire protection devices. The site safety director shall ensure that all fire protection equipment is maintained and serviced in accordance with this code. Fire protection equipment shall be inspected in accordance with the fire protection program.3306.2 Impairment of fire …

3307.1 Required access.Approved vehicle access for fire fighting shall be provided to all construction or demolition sites. Vehicle access shall be provided to within 100 feet (30,480 mm) of temporary or permanent fire department connections. Vehicle access shall be provided by e…

3308.1 Conditions of use. Internal-combustion-powered construction equipment shall be used in accordance with all of the following conditions:1. Equipment shall be located so that exhausts do not discharge against combustible material.2. Exhausts shall be piped to the outside of …