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Subchapter 7. General Industry Safety Orders
Group 18. Explosives and Pyrotechnics
Article 122. Ammonium Nitrate Storage

§5361. Structures.

(a) Ammonium nitrate storage buildings shall be only one-story buildings without basements.

(b) Storage buildings shall have adequate ventilation or be capable of adequate ventilation in the event of fire.

(c) The wall on the exposed side of a storage building within 50 feet of a combustible building, forest, piles of combustible materials and similar exposure hazards shall be of fire-resistive construction. In lieu of the fire-resistive wall, other suitable means of exposure protection such as a free standing wall may be used.

(d) All flooring in storage and handling areas shall be of noncombustible material or protected against impregnation by ammonium nitrate and shall be without open drains, traps, tunnels, pits or pockets into which any molten ammonium nitrate could flow and be confined in the event of fire.

(e) Buildings and structures shall be dry and free from water seepage through the roof, walls and floors.

NOTE

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

HISTORY

1. Amendment filed 7-16-76; effective thirtieth day thereafter (Register 76, No. 29).

2. Amendment of subsections (a), (b) and (e) and new Note filed 7-11-2003; operative 8-10-2003 (Register 2003, No. 28).

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