Pennsylvania Code
Title 34 - LABOR AND INDUSTRY
Part I - Department of Labor and Industry
Chapter 39 - SAFETY STANDARDS-GENERAL
Subchapter B - ELECTRIC SAFETY
UNDERGROUND LINE OPERATION-SIGNAL SYSTEMS
Section 39.542 - Testing for gas
Current through Register Vol. 54, No. 38, September 21, 2024
(a) Employes shall not enter manholes until they have ascertained that such manholes are free from dangerous gases, as indicated by approved safety lamps, by ventilation, or by other adequate methods.
(b) When work is being carried on in manholes for any length of time where gas collects, suitable ventilation shall be provided or tests with the safety device should be repeated at regular intervals to make certain that gas is not accumulating in the manhole in dangerous quantities.
This section cited in 34 Pa. Code § 39.433 (relating to testing for gas); and 34 Pa. Code § 39.501 (relating to general requirements).