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 43.21 - Timbering; sumps
Universal Citation: 34 PA Code ยง 43.21
Current through Register Vol. 54, No. 38, September 21, 2024
(a) When necessary, every shaft or tunnel, and any working place in the shaft or tunnel, shall be adequately and securely timbered to prevent injury to any person from falling material. The timbering shall include wood, steel, or concrete.
(b) All sumps shall be securely covered or fenced, except when being cleaned or repaired.
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