Subchapter 7. General Industry Safety Orders
Group 20. Flammable Liquids, Gases and Vapors
Article 141. Container and Portable Tank Storage

§5542. Storage Outside Buildings.

(a) Storage outside buildings shall be in accordance with Table FL-6 or FL-7 and (b) and (d).

(b) A maximum of 1,100 gallons of flammable or combustible liquids may be located adjacent to buildings located on the same premises and under the same management. Where the quantity stored exceeds 1,100 gallons a minimum distance of 10 feet between buildings and nearest container of flammable or combustible liquid shall be maintained.

(c) The storage area shall be graded in a manner to divert possible spills away from buildings or other exposures or shall be surrounded by a curb at least six inches high. When curbs are used, provisions shall be made for draining of accumulations of ground or rain water or spills of flammable or combustible liquids. Drains shall terminate at a safe location and shall be accessible to operation under fire conditions.

(d) Storage area shall be protected against tampering or trespassers where necessary and shall be kept free of weeds, debris and other combustible material not necessary to the storage. (Title 24, T8-5542)

                           Table FL-6 
                    Outdoor Container Storage  
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1             2            3               4              5       
                                       Distance to   Distance to 
           Maximum      Distance       Property Line      Street, 
           Per Pile     Between        That Can Be        Alley, 
           Gallons      Piles          Built Upon    Public Way 
Class     (See Note 1) (See Note 2)(See Notes 3 & 4)(See Note 4) 
------------------------------------------------------------------
IA           1,100       5 feet         20 feet         10 feet 
IB           2,200       5 feet         20 feet         10 feet 
IC           4,400       5 feet         20 feet         10 feet 
II           8,800       5 feet         10 feet          5 feet 
III         22,000       5 feet         10 feet          5 feet 

NOTE: 1: When two or more classes of materials are stored in a single pile, the maximum gallonage in that pile shall be the smallest of the two or more separate gallonages.

NOTE: 2: Within 200 feet of each container, there shall be a 12-foot wide access way to permit approach of fire control apparatus.

NOTE: 3: The distances listed apply to properties that have protection for exposures as defined. If there are exposures, and such protection for exposures does not exist, the distances in column four shall be doubled.

NOTE: 4: When total quantity stored does not exceed 50% of maximum per pile, the distances in columns four and five may be reduced 50%, but not less than three feet.

                            Table FL-7 
                    Outdoor Portable Tank Storage 
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1              2           3              4               5      
                                     Distance to     Distance to 
            Maximum     Distance     Property Line       Street, 
            Per Pile    Between      Property Line       Street, 
            Gallons     Piles        That Can Be Alley,   Public 
Class       (See Note 1)(See Note 2) Built Upon              Way 
-----------------------------------------------------------------
IA           2,200       5 feet         20 feet         10 feet 
IB           4,400       5 feet         20 feet         10 feet 
IC           8,800       5 feet         20 feet         10 feet 
II          17,600       5 feet         10 feet          5 feet 
III         44,000       5 feet         10 feet          5 feet 

NOTE: 1: When two or more classes of materials are stored in a single pile, the maximum gallonage in that pile shall be the smallest of the two or more separate gallonages.

NOTE: 2: Within 200 feet of each portable tank, there shall be a 12-foot wide access way to permit approach of fire control apparatus.

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. Repealer and new subsection (b) and relocation of Tables FL-6 and FL-7 filed 9-18-80; effective thirtieth day thereafter (Register 80, No. 38).