Group 26. DIVING AND PRESSURIZED WORKSITE OPERATIONS
ARTICLE 154. PRESSURIZED WORKSITE OPERATIONS
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(b) In tunnels 16 feet or more in diameter, hanging walkways shall be provided from the face to the air lock, as high in the tunnel as practicable, with at least 6 feet of head room. Walkways shall be constructed of noncombustible material. Standard railing shall be securely installed throughout the length of all walkways on open sides. Where walkways are ramped under safety screens, the walkway surface shall be skidproofed by cleats or equivalent means.
(c) Bulkheads used to contain compressed air shall be tested, where practicable, to prove their ability to resist the highest air pressure which may be expected to be used.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
1. New section filed 4-4-2006; operative 5-4-2006 (Register 2006, No. 14).