Statutes, codes, and regulations
Washington Administrative Code
Title 51 - Enterprise Services, Department of (Building Code Council)
Chapter 51-50 - State Building Code adoption and amendment of the 2021 edition of the International Building Code
Section 51-50-0509 - Section 509-Incidental uses

Wash. Admin. Code § 51-50-0509

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Current through Register Vol. 25-01, January 1, 2025
Section 51-50-0509 - Section 509-Incidental uses

Table 509.1

Incidental Uses

Room or Area

Separation and/or Protection

Dry type transformers over 112.5 kVA and required to be in a fire resistant room per NEC (NFPA 70) Section 450.21 (B)1

1 hour or provide automatic sprinkler system

1 Dry type transformers rated over 35,000 volts and oil-insulated transformers shall be installed in a transformer vault complying with NFPA 70.

(Remainder of table unchanged)

Wash. Admin. Code § 51-50-0509

Amended by WSR 19-02-038, Filed 12/26/2018, effective 7/1/2019
Amended by WSR 22-13-094, Filed 6/14/2022, effective 7/1/2023
Amended by WSR 23-23-102, Filed 11/15/2023, effective 3/16/2024

Statutory Authority: RCW 19.27.031 and chapters 19.27 and 34.05 RCW. 13-04-067, § 51-50-0509, filed 2/1/13, effective 7/1/13. Statutory Authority: RCW 19.27.031 and 19.27.074. 10-03-097, § 51-50-0509, filed 1/20/10, effective 7/1/10. Statutory Authority: RCW 19.27.074, 19.27.020, and chapters 70.92, 19.27, and 34.05 RCW. 07-01-091, § 51-50-0509, filed 12/19/06, effective 7/1/07.