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(a) Each generating chamber shall be provided with an escape or relief pipe, installed without traps so that any condensate will drain back into the chamber.
(b) All relief pipes shall be carried to a suitable point outside the building and shall terminate in a suitable hood or bend located at least 12 feet above the ground and at least three feet from combustible construction. Each generator shall be provided with a vent pipe of Schedule 40 galvanized iron or steel, or equivalent.
(c) Generating chamber relief pipes shall not be interconnected but shall be led separately to the outside air.
NOTE: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
1. Amendment of subsection (b) filed 5-16-75; effective thirtieth day thereafter (Register 75, No. 20).
2. Amendment filed 7-16-76; effective thirtieth day thereafter (Register 76, No. 29).
3. Amendment of subsection (b) filed 9-19-80; effective thirtieth day thereafter (Register 80, No. 38).
4. Amendment of subsection (c) filed 6-12-87; operative 7-12-87 (Register 87, No. 26).