Pennsylvania Code & Bulletin
COMMONWEALTH OF PENNSYLVANIA

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The Pennsylvania Code website reflects the Pennsylvania Code changes effective through 54 Pa.B. 488 (January 27, 2024).

34 Pa. Code § 43.21. Timbering; sumps.

§ 43.21. Timbering; sumps.

 (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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