California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 7 - General Industry Safety Orders › Group 18 - Explosive Materials › Article 122 - Ammonium Nitrate Storage › Section 5360 - Storage

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) Ammonium
						nitrate shall be in a separate building or shall be separated by fire walls
						constructed to be of not less than one hour fire-resistance rating from storage
						of organic chemicals, acids or other corrosive materials, materials that may
						require blasting during processing or handling, compressed flammable gases,
						flammable and combustible materials or other contaminating substances. Walls
						referred to in this Section need extend only to the underside of the roof. In
						lieu of separation walls, ammonium nitrate may be separated from these
						materials by a space of at least 30 feet and if necessary, sills or curbs shall
						be provided to prevent mixing.
(b)
						Flammable and combustible liquids such as gasoline, kerosene, solvents and
						light fuel oils shall not be stored on the premises except when such storage
						conforms to Articles 135 and 141 of these orders and when walls and sills or
						curbs are provided in accordance with subsection (a) of this Section.
(c) Sulfur and finely divided metals shall
						not be stored in the same building with ammonium nitrate except when such
						storage conforms to the requirements of subsection (a) of this
						Section.
(d) Explosive materials
						shall not be stored in the same building with ammonium nitrate except on the
						premises of makers, distributors and user-compounders of explosive
						materials.
(e) Quantities of 2,500
						tons or more of bagged ammonium nitrate shall not be stored in buildings or
						structures unless equipped with automatic sprinkler systems. Sprinkler
						protection shall be required for the storage of less than 2,500 tons of
						ammonium nitrate where location of the building or the presence of other stored
						materials presents a fire or detonation hazard. Sprinkler systems shall be of
						approved type and installed in accordance with Article 159.
(f) Suitable fire control devices complying
						with Articles 157 and/or 158 shall be provided throughout the warehouse and in
						the loading dock areas.
(g) Where
						required by local fire authorities or the State Fire Marshal, lightning strike
						protection shall be provided.
1.
						  Amendment filed 7-16-76; effective thirtieth day thereafter (Register 76, No.
						  29).
2. Amendment of subsection (b) filed 11-18-76; effective
						  thirtieth day thereafter (Register 76, No. 47).
3. New subsection
						  (f)(1) filed 9-8-81; effective thirtieth day thereafter (Register 81, No.
						  37).
4. Editorial correction of subsections (f)(1) and (g) filed
						  11-9-81; effective thirtieth day thereafter (Register 81, No.
						  45).
5. Amendment of section and NOTE filed 7-11-2003; operative
						  8-10-2003 (Register 2003, No. 28).
Note: Authority cited: Section
							 142.3, Labor
							 Code. Reference: Section
							 142.3, Labor
							 Code.