Pennsylvania Code (Last Updated: April 5, 2016) |
Title 34. LABOR AND INDUSTRY |
PART I. Department of Labor and Industry |
Chapter 43. Tunnel Construction and Compressed Air Work |
SubChapter A. TUNNEL CONSTRUCTION AND WORK IN COMPRESSED AIR |
Section 43.54. Pressure gauges
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(a) When practicable to do so, a recording gauge shall be attached to the exterior of each man-lock to show the rate of decompression when the pressure exceeds 17 pounds per square inch.
(b) There shall be on the outer side of each working chamber at least one back pressure gauge, which shall be accessible at all times and shall be kept in accurate working order. Additional fittings shall be provided so that test gauges may be attached at all necessary times. Back pressure gauges shall be tested every 24 hours and a record kept of the test.
(c) A competent man shall be placed in charge of the valves and gauges which regulate and show the pressure in the working chamber. He shall not be employed more than eight hours in any 24-hour period. At no time shall he operate more than two separate air lines.
Notation
This Section cited in 34 Pa. Code § 43.53 (relating to decompression).