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The Pennsylvania Code website reflects the Pennsylvania Code changes effective through 54 Pa.B. 1806 (March 30, 2024).

34 Pa. Code § 25.41. Construction.


§ 25.41. Construction.

 (a)  Factor of safety. The structural steel members shall be designed to conform with the A.I.S.C. Code, as amended. All other apparatus shall be designed with not less than a factor of safety of five under static full-rated load conditions, based on the ultimate strength of the material used, as noted in the following table:

MaterialFactor of Safety
Cast iron12
Cast steel 8
Forged steel 5
Cables and hooks 5

 (b)  Capacity notices. A notice shall be placed on every crane and hoist showing the maximum allowable load in pounds or tons. This notice shall be placed so as to be clearly legible from the floor.

 (c)  Lubrication. The construction of cranes shall be such that all parts may be lubricated and inspected safely when cranes are not in operation. No cranes shall be manually lubricated while in operation.

 (d)  Tool boxes. Where a toolbox or receptacle is used for the storing of oil cans, tools, and the like, it shall be permanently secured in the cage or on the footwalk of outside cranes, and on the footwalk of inside cranes. Toolboxes of hot metal cranes shall be constructed of metal.

 (e)  Guarding of gears. All gears on cranes shall be provided with suitable guards at points of danger to prevent contact.

 (f)  Projecting keys. Keys projecting from revolving shafts shall be guarded.

 (g)  Brakes. A braking apparatus shall be provided on every type of crane and shall be so designed and installed as to be capable of stopping a moving weight of at least 1 1/2 times the full rated load of the crane.

 (h)  Unauthorized operators. Means shall be provided to prevent the starting of equipment by unauthorized persons.

 (i)  Control levers. The control levers of traveling cranes shall be located so that the operator faces the direction of travel.

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