WAC 296-835-12025:

WACs > Title 296 > Chapter 296-835 > Section 296-835-12025

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296-835-12020 << 296-835-12025 >> 296-835-12035

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PDFWAC 296-835-12025

Provide additional fire protection for large dip tanks.

(1) You must provide at least one automatic fire extinguishing system or an automatic dip tank cover if the tank:

(a) Holds one hundred fifty gallons or more of liquid; or

(b) Has four square feet or more of liquid surface area.

(2) You must make sure automatic fire extinguishing systems or automatic dip tank covers meet the requirements of Table 1.

Exemption: An automatic fire extinguishing system or an automatic dip tank cover is not required for a hardening or tempering tank that:

1. Holds less than five hundred gallons; or

2. Has less than twenty-five square feet of liquid surface area.

Table 1: Automatic Fire Protection System Requirements

IF YOU PROVIDE:	THEN YOU MUST:
An automatic fire extinguishing system	• Use extinguishing materials suitable for a fire fueled by the liquid in the tank • Make sure the system protects the: – Tanks – Drain boards – Stock over drain boards.
A dip tank cover	• Make sure the cover is: – Closed by approved automatic devices in the event of fire – Able to be manually activated – Kept closed when the tank is not being used - Made of noncombustible material or tin-clad material with locked metal joints.

Reference: Automatic fire extinguishing systems have specific requirements. See:

1. WAC 296-24-622 for automatic dry chemical extinguishing system requirements.

2. WAC 296-24-623 for automatic carbon dioxide extinguishing system requirements.

3. WAC 296-24-627 for automatic water spray extinguishing system and automatic foam extinguishing system requirements.

[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 17-18-075, § 296-835-12025, filed 9/5/17, effective 10/6/17; WSR 07-03-163, § 296-835-12025, filed 1/24/07, effective 4/1/07. Statutory Authority: RCW 49.17.010, [49.17].040, and [49.17].050. WSR 02-15-102, § 296-835-12025, filed 7/17/02, effective 10/1/02.]