Pennsylvania Code
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
TUNNEL CONSTRUCTION
Section 43.29 - Means of communication
Universal Citation: 34 PA Code ยง 43.29
Current through Register Vol. 54, No. 38, September 21, 2024
When tunnels are driven from shafts more than 250 feet deep, a telephone system shall be maintained which communicates with the surface at each shaft. The system shall include a station or stations readily and quickly accessible to the men at the working level.
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