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Electrical equipment shall be permitted to be installed on the roof of a building, provided:
(a) The building structure has sufficient strength to support the entire installation.
(b) Where oil-insulated equipment is used, the roof shall be of two-hour, non-combustible fire resistive construction, and a curb high enough to contain the oil from the largest oil-filled equipment shall be provided. In no case shall the height of the curb be less than 6 inches. A drain shall be provided from the curbed enclosure to carry any oil which it may contain well away from the building.
(Title 24, Part 3, Section 3-110-39.)
NOTE: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code; and Section 18943(c), Health and Safety Code.
1. Editorial correction filed 11-2-83 (Register 83, No. 45).
2. Amendment filed 12-10-87; operative 1-9-88 (Register 88, No. 1).