Section 51-54A-0605 - Fuel fired appliances605.4.1.1Approval. Outdoor fuel oil storage tanks shall be in accordance with UL 142, UL 142A, or UL 2085.605.4.2.1Approval. Indoor fuel oil storage tanks shall be in accordance with UL 80, UL 142, UL 142A, or UL 2085.605.4.2.2Quantity limits. One or more fuel oil storage tanks containing Class II or III combustible liquid shall be permitted in a building. The aggregate capacity of all tanks shall not exceed the following:1. 660 gallons (2,498 L) in unsprinklered buildings, where stored in a tank complying with UL 80, UL 142, UL 142A, or UL 2085.2. 1,320 gallons (4,996 L) in buildings equipped with an automatic sprinkler system in accordance with Section 903.3.1.1, where stored in a tank complying with UL 142 or UL 142A. The tank shall be listed as a secondary containment tank, and the secondary containment shall be monitored visually or automatically.3. 3,000 gallons (11,356 L) in buildings equipped with an automatic sprinkler system in accordance with Section 903.3.1.1, where stored in protected above-ground tanks complying with UL 2085 and Section 5704.2.9.7. The tank shall be listed as a secondary containment tank, as required by UL 2085, and the secondary containment shall be monitored visually or automatically.Wash. Admin. Code § 51-54A-0605
Amended by WSR 13-24-076, filed 12/2/13, effective 4/1/2014Amended by WSR 16-03-055, Filed 1/16/2016, effective 7/1/2016Amended by WSR 17-10-028, Filed 4/25/2017, effective 5/26/2017Amended by WSR 17-18-060, Filed 9/1/2017, effective 10/2/2017Reserved by WSR 20-01-162, Filed 12/18/2019, effective 7/1/2020Amended by WSR 22-13-093, Filed 6/14/2022, effective 7/1/2023Statutory Authority: RCW 19.27A.031, 19.27.074 and chapters 19.27 and 34.05 RCW. 13-04-063, § 51-54A-0605, filed 2/1/13, effective 7/1/13.