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Subchapter 4. Construction Safety Orders
Article 36. Fire Protection and Prevention

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§1931. Inside Storage.

(a) Inside storage rooms shall be constructed in accordance with NFPA 30-1984.

(b) Materials which will react with water shall not be stored in the same room with flammable or combustible liquids.

(c) Storage in inside storage rooms shall comply with the following:

Automatic                                          Total Allowable   
Fire Protection *    Fire         Maximum                Quantities         
Provided             Resistance   Floor Area   Gals./sq. ft./floor area 
  yes                2-hour       500 sq. ft.                 10     
  no                 2-hour       500 sq. ft.                  4 **    
  yes                1-hour       150 sq. ft.                  5      
  no                 1-hour       150 sq. ft.                  2      

* Fire protection system shall be sprinkler, water spray, carbon dioxide, dry chemical, halon or other approved system.

** Total allowable quantities of Class IA and IB Liquids shall not exceed that permitted in Table 4-4.2.7 and the provisions of 4-4.2.10 of NFPA 30-1984.

(d) Electrical wiring and equipment located in inside storage rooms used for Class I liquids shall be approved for Class I, Division 2 Locations in accordance with the Low Voltage Electrical Safety Orders.

(e) Provisions shall be made for ventilation of inside storage rooms in accordance with General Industry Safety Orders, Section 5143.

(f) In every inside storage room there shall be maintained one clear aisle at least three feet wide. Containers over 30 gallons capacity storing Class I or Class II liquids shall not be stacked one upon the other. Dispensing shall be by approved pump or self-closing faucet only.

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


1. Amendment filed 10-9-86; effective thirtieth day thereafter (Register 86, No. 43).

2. Editorial correction of subsection (e) (Register 95, No. 21).

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