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Subchapter 7. General Industry Safety Orders
Group 20. Flammable Liquids, Gases and Vapors
Article 136. Dip Tanks
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§5435. Dip Tank Covers.

(a) Covers arranged to close automatically in the event of fire shall be actuated by approved automatic devices and shall also be arranged for manual operation.

(b) Covers shall be of substantial noncombustible material or of tin-clad type with enclosing metal applied with locked joints.

NOTE: For the construction of dip tank covers, refer to NFPA 34-1982.

(c) Chains or wire rope shall be used for cover support or operating mechanism where the burning of a cord would interfere with the action of a device.

(d) Where drain boards return drippings to tanks, special means shall be provided to permit the cover to close tightly and prevent water from sprinklers or other sources draining into dip tank in the event of fire.

(e) Covers shall be kept closed when tanks are not in use.

NOTE: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.


1. Amendment of subsections (b) and (c) filed 12-5-86; effective thirtieth day thereafter (Register 86, No. 51).

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