Washington Administrative Code

3309.1 Storage of flammable and combustible liquids. Storage of flammable and combustible liquids shall be in accordance with Section 5704.3309.1.1 Class I and Class II liquids. The storage, use and handling of flammable and combustible liquids at construction sites shall be in a…

3310.1 Storage. Combustible materials associated with construction, demolition, remodeling or alterations to an occupied structure shall not be stored in exits, enclosures for stairways and ramps, or exit access corridors serving an occupant load of 30 or more.EXCEPTIONS:1. Where…

3311.1 Separations between construction areas. Separations used in Type I and Type II construction to separate construction areas from occupied portions of the building shall be constructed of materials that comply with one of the following:1. Noncombustible materials.2. Material…

3312.1 Fire safety requirements for buildings of Types IV-A, IV-B, and IV-C construction. Buildings of Types IV-A, IV-B, and IV-C construction designed to be greater than six stories above grade plane shall comply with the following requirements during construction unless otherwi…

This section is not adopted.[Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 23-23-106, § 51-54A-3313, filed 11/15/23, effective 3/16/24.]

This section is not adopted.[Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 23-23-106, § 51-54A-3314, filed 11/15/23, effective 3/16/24.]

This section is not adopted.[Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 23-23-106, § 51-54A-3315, filed 11/15/23, effective 3/16/24.]

This section is not adopted.[Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 23-23-106, § 51-54A-3316, filed 11/15/23, effective 3/16/24.]

This section is not adopted.[Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 23-23-106, § 51-54A-3317, filed 11/15/23, effective 3/16/24.]

This section is not adopted.[Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 23-23-106, § 51-54A-3318, filed 11/15/23, effective 3/16/24.]

3601.3 Permits. For permits to operate marine motor fuel-dispensing stations, application of flammable or combustible finishes, and hot works, see Section 105.5.[Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 22-13-093, 23-12-107, and 23-20-027, § 51-54A-3601, filed 6/14/2…

3602.1 Definitions. The following terms are defined in Chapter 2:COVERED BOAT MOORAGEFLOATGRAVITY-OPERATED DROP OUT VENTSMARINAPIERVESSELWHARF[Statutory Authority: RCW 19.27A.031, 19.27.074 and chapters 19.27 and 34.05 RCW. WSR 13-04-063, § 51-54A-3602, filed 2/1/13, effective 7/…

3604.2 Standpipes. Marinas and boatyards shall be equipped throughout with Class I manual, dry standpipe systems in accordance with NFPA 303. Systems shall be provided with hose connections located such that no point on the marina pier or float system exceeds 150 feet from a stan…

[Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 21-04-003, § 51-54A-3800, filed 1/20/21, effective 2/20/21; WSR 19-24-058, § 51-54A-3800, filed 11/27/19, effective 7/1/20. Statutory Authority: Chapter 19.27 RCW. WSR 17-03-104, § 51-54A-3800, filed 1/17/17, effective 5/1/17…

[Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 22-13-093, 23-12-107, and 23-20-027, § 51-54A-3900, filed 6/14/22, 6/7/23, and 9/25/23, effective 3/15/24; WSR 21-04-003, § 51-54A-3900, filed 1/20/21, effective 2/20/21. Statutory Authority: RCW 19.27.031, 19.27.074 and chap…

[Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 22-13-093, 23-12-107, and 23-20-027, § 51-54A-3904, filed 6/14/22, 6/7/23, and 9/25/23, effective 3/15/24; WSR 21-04-003, § 51-54A-3904, filed 1/20/21, effective 2/20/21; WSR 19-24-058, § 51-54A-3904, filed 11/27/19, effectiv…

[Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 22-13-093, 23-12-107, and 23-20-027, § 51-54A-4000, filed 6/14/22, 6/7/23, and 9/25/23, effective 3/15/24; WSR 21-04-003, § 51-54A-4000, filed 1/20/21, effective 2/20/21.]

4901 Scope NFPA 130.4901.1 General. Fixed guideway transit and passenger rail systems shall be in accordance with NFPA 130, as modified below.4901.2 NFPA 130 Section 3.3.44.2. Add new definition as follows:3.3.44.2 Traction power sub station (TPSS): A TPSS is an electrical substa…

[Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 22-13-093, 23-12-107, and 23-20-027, § 51-54A-5003, filed 6/14/22, 6/7/23, and 9/25/23, effective 3/15/24; WSR 19-24-058, § 51-54A-5003, filed 11/27/19, effective 7/1/20.]

5306.1 General. Compressed gases at hospitals and similar facilities intended for inhalation or sedation including, but not limited to, analgesia systems for dentistry, podiatry, veterinary and similar uses shall comply with Sections 5306.2 through 5306.5 in addition to other req…

[Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 20-01-162, § 51-54A-5307, filed 12/18/19, effective 7/1/20. Statutory Authority: Chapter 19.27 RCW and RCW 19.27.031. WSR 17-10-028, § 51-54A-5307, filed 4/25/17, effective 5/26/17.]

5601.1 Scope. The provisions of this chapter shall govern the possession, manufacture, storage, handling, sale and use of explosives, explosive materials, and small arms ammunition. The manufacture, storage, handling, sale and use of fireworks shall be governed by chapter 70.77 R…

5704.2.11 Underground tanks. Underground storage of flammable and combustible liquids in tanks shall comply with Section 5704.2 and Sections 5704.2.11.1 through 5704.2.11.4.2. Corrosion protection shall comply with WAC 173-360-305.[Statutory Authority: RCW 19.27.031 and 19.27.074…

5706.5.4.5 Commercial, industrial, governmental or manufacturing. Dispensing of Class II and III motor vehicle fuel from tank vehicles into the fuel tanks of motor vehicles located at commercial, industrial, governmental or manufacturing establishments is allowed where permitted,…

5707.1 General. On-demand mobile fueling operations that dispense Class I, II and III liquids into the fuel tanks of motor vehicles shall comply with Sections 5707.1 through 5707.6.6.EXCEPTION:Fueling from an approved portable container in cases of an emergency or for personal us…

6108.1 General. Storage, handling and transportation of liquefied petroleum gas (LP-gas) and the installation of LP-gas equipment pertinent to systems for such uses shall comply with this chapter and NFPA 58. Properties of LP-gas shall be determined in accordance with Appendix B …

NFPA 13-19: Standard for the Installation of Sprinkler Systems (except 9.3.6.3(5)) . . . .903.3.1.1,903.3.2, 903.3.8.2, 903.3.8.5, 904.13, 905.3.4, 907.6.4, 914.3.2, 1019.3, 1103.4.8, 3201.1, 3204.2, 3205.5, Table 3206.2, 3206.4.1, 3206.10, 3207.2, 3207.2.1, 3208.2.2, 3208.2.2.1,…

[Statutory Authority: Chapter 19.27 RCW and RCW 19.27.031. WSR 17-10-028, § 51-54A-8100, filed 4/25/17, effective 5/26/17. Statutory Authority: RCW 19.27A.031, 19.27.074 and chapters 19.27 and 34.05 RCW. WSR 13-04-063, § 51-54A-8100, filed 2/1/13, effective 7/1/13.]

[Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 22-13-093, 23-12-107, and 23-20-027, § 51-54A-8200, filed 6/14/22, 6/7/23, and 9/25/23, effective 3/15/24; WSR 20-01-162, § 51-54A-8200, filed 12/18/19, effective 7/1/20. Statutory Authority: Chapter 19.27 RCW and RCW 19.27.0…

Reserved.[Statutory Authority: RCW 19.27.031, 19.27.074, and 19.27.560. WSR 26-07-075, s 51-55-001, filed 3/17/26, effective 4/17/26; WSR 23-02-056, 23-12-109, and 23-20-028, § 51-55-001, filed 1/3/23, 6/7/23, and 9/25/23, effective 3/15/24.]

Reserved.[Statutory Authority: RCW 19.27.031, 19.27.074, and 19.27.560. WSR 26-07-075, s 51-55-002, filed 3/17/26, effective 4/17/26; WSR 23-02-056, 23-12-109, and 23-20-028, § 51-55-002, filed 1/3/23, 6/7/23, and 9/25/23, effective 3/15/24.]

Reserved.[Statutory Authority: RCW 19.27.031, 19.27.074, and 19.27.560. WSR 26-07-075, s 51-55-003, filed 3/17/26, effective 4/17/26; WSR 23-02-056, 23-12-109, and 23-20-028, § 51-55-003, filed 1/3/23, 6/7/23, and 9/25/23, effective 3/15/24.]

Reserved.[Statutory Authority: RCW 19.27.031, 19.27.074, and 19.27.560. WSR 26-07-075, s 51-55-008, filed 3/17/26, effective 4/17/26. Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 23-23-107, § 51-55-008, filed 11/15/23, effective 3/16/24. Statutory Authority: RCW 19.27.03…

Reserved.[Statutory Authority: RCW 19.27.031, 19.27.074, and 19.27.560. WSR 26-07-075, s 51-55-0100, filed 3/17/26, effective 4/17/26; WSR 23-02-056, 23-12-109, and 23-20-028, § 51-55-0100, filed 1/3/23, 6/7/23, and 9/25/23, effective 3/15/24.]

Reserved.[Statutory Authority: RCW 19.27.031, 19.27.074, and 19.27.560. WSR 26-07-075, s 51-55-0200, filed 3/17/26, effective 4/17/26; WSR 23-02-056, 23-12-109, and 23-20-028, § 51-55-0200, filed 1/3/23, 6/7/23, and 9/25/23, effective 3/15/24]

Reserved.[Statutory Authority: RCW 19.27.031, 19.27.074, and 19.27.560. WSR 26-07-075, s 51-55-0300, filed 3/17/26, effective 4/17/26. Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 23-23-107, § 51-55-0300, filed 11/15/23, effective 3/16/24. Statutory Authority: RCW 19.27.…

Reserved.[Statutory Authority: RCW 19.27.031, 19.27.074, and 19.27.560. WSR 26-07-075, s 51-55-0400, filed 3/17/26, effective 4/17/26; WSR 23-02-056, 23-12-109, and 23-20-028, § 51-55-0400, filed 1/3/23, 6/7/23, and 9/25/23, effective 3/15/24.]

Reserved.[Statutory Authority: RCW 19.27.031, 19.27.074, and 19.27.560. WSR 26-07-075, s 51-55-0500, filed 3/17/26, effective 4/17/26. Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 23-23-107, § 51-55-0500, filed 11/15/23, effective 3/16/24. Statutory Authority: RCW 19.27.…

Reserved.[Statutory Authority: RCW 19.27.031, 19.27.074, and 19.27.560. WSR 26-07-075, s 51-55-0600, filed 3/17/26, effective 4/17/26; WSR 23-02-056, 23-12-109, and 23-20-028, § 51-55-0600, filed 1/3/23, 6/7/23, and 9/25/23, effective 3/15/24.]

Reserved.[Statutory Authority: RCW 19.27.031, 19.27.074, and 19.27.560. WSR 26-07-075, s 51-55-0700, filed 3/17/26, effective 4/17/26; WSR 23-02-056, 23-12-109, and 23-20-028, § 51-55-0700, filed 1/3/23, 6/7/23, and 9/25/23, effective 3/15/24.]

Reserved.[Statutory Authority: RCW 19.27.031, 19.27.074, and 19.27.560. WSR 26-07-075, s 51-55-0800, filed 3/17/26, effective 4/17/26; WSR 23-02-056, 23-12-109, and 23-20-028, § 51-55-0800, filed 1/3/23, 6/7/23, and 9/25/23, effective 3/15/24.]

Reserved.[Statutory Authority: RCW 19.27.031, 19.27.074, and 19.27.560. WSR 26-07-075, s 51-55-0900, filed 3/17/26, effective 4/17/26; WSR 23-02-056, 23-12-109, and 23-20-028, § 51-55-0900, filed 1/3/23, 6/7/23, and 9/25/23, effective 3/15/24.]

Reserved.[Statutory Authority: RCW 19.27.031, 19.27.074, and 19.27.560. WSR 26-07-075, s 51-55-1000, filed 3/17/26, effective 4/17/26; WSR 23-02-056, 23-12-109, and 23-20-028, § 51-55-1000, filed 1/3/23, 6/7/23, and 9/25/23, effective 3/15/24.]

These rules are adopted under the authority of chapter 19.27 RCW.[Statutory Authority: RCW 19.27.031, 19.27.074. WSR 02-01-114, § 51-56-001, filed 12/18/01, effective 7/1/02.]

The purpose of these rules is to implement the provisions of chapter 19.27 RCW, which provides that the state building code council shall maintain the State Building Code in a status which is consistent with the purpose as set forth in RCW 19.27.020. In maintaining the codes, the…

The 2021 edition of the Uniform Plumbing Code, including Appendices A, B, I, and M, published by the International Association of Plumbing and Mechanical Officials, is hereby adopted by reference with the following additions, deletions and exceptions: Provided that chapters 12 an…

Where a conflict exists between the provisions of Appendix I and the manufacturer's installation instructions, the conditions of the listing and the manufacturer's installation instructions shall apply.[Statutory Authority: RCW 19.27.074, 19.27.031 and chapters 19.27 and 34.05 RC…

The exceptions and amendments to the model codes contained in the provisions of chapter 19.27 RCW shall apply in cases of conflict with any of the provisions of these rules.Codes referenced which are not adopted through RCW 19.27.031 or chapter 19.27A RCW shall not apply unless s…

The Uniform Plumbing Code adopted by chapter 51-56 WAC shall become effective in all counties and cities of this state on March 15, 2024.[Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 23-23-108, § 51-56-008, filed 11/15/23, effective 3/15/24; WSR 23-02-057, 23-12-110, and…

102.1 Conflict Between Codes. Delete paragraph.103.3.1 Certification. State rules and regulations concerning certification shall apply.[Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 16-02-044, § 51-56-0100, filed 12/30/15, effective 7/1/16. Statutory Authority: RCW 19.27.…