WAC 296-307-45525:

WACs > Title 296 > Chapter 296-307 > Section 296-307-45525

296-307-45520 << 296-307-45525 >> 296-307-45535

You must:

• Provide at least one automatic fire extinguishing system or an automatic dip tank cover if the tank:

– Holds one hundred fifty gallons or more of liquid

– Has four square feet or more of liquid surface area.

• 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:
	• Holds less than five hundred gallons
	or
	• 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 metal-clad material with locked metal joints.

[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 03-10-068, § 296-307-45525, filed 5/6/03, effective 8/1/03.]