Pennsylvania Code & Bulletin

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The Pennsylvania Code website reflects the Pennsylvania Code changes effective through 52 Pa.B. 3204 (May 28, 2022).

34 Pa. Code § 6.22. Ladder jack scaffolds.

§ 6.22. Ladder jack scaffolds.

 (a)  Platforms. Platform planks shall be at least 2 inches in thickness and 10 inches in width and shall extend over the full bearing surface of the ladder jack. Platform planks shall overlap the bearing surface by at least 4 inches, but not more than 6 inches. Platform planks shall not have a span of more than 10 feet unless provided with a truss in the center when the span shall not exceed 15 feet.

 (b)  Height limit. No ladder jack shall be used at a height greater than 22 feet above the ground or working level, and in no case shall ladder jacks be used with extension ladders.

 (c)  Persons permitted. Not more than one person shall be allowed on a ladder jack scaffold at any one time unless the platform plank is trussed in the center.

 (d)  Approval. All ladder jacks shall be of approved type. The ladder jack shall be clamped or otherwise securely fastened to the ladder and shall bear on the side rails.

 (e)  Construction of ladders. All ladders used in conjunction with ladder jacks shall be designed, constructed and maintained according to the requirements of Chapter 21 (relating to ladders).

 (f)  Prevention of slipping. All ladders used in conjunction with ladder jacks shall be equipped with approved devices or shall be so placed, fastened or held as to prevent slipping.

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