Industry regulations

OSHA 1926; Part Title: Safety & Health Regulations for Construction; Subpart: F; Subpart Title: Fire Protection and Prevention; Standard Number: 1926.152; Title: Flammable Liquids; Applicable Standards: 1920.106(b)

Flammable liquid tanks located inside of buildings, except in one-story buildings designed and protected for flammable liquid storage, shall be provided with an automatic-closing heat-actuated valve on each withdrawal connection below the liquid level, except for connections used for emergency disposal, to prevent continued flow in the event of fire in the vicinity of the tank. This function may be incorporated in the valve required in paragraph (i)(4)(iv)(B) of this section, and if a separate valve, shall be located adjacent to the valve required in paragraph (i)(4)(iv)(B) of this section.