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1926.1436(c)(3) Cranes & Derricks in Construction, Stiffleg Derricks
The mast must be supported in the vertical position by at least two stifflegs; one end of each must be connected to the top of the mast and the other ...
1926.1436(d)(3) Cranes & Derricks in Construction, Stiffleg Derricks
The mast base and stifflegs must be designed to withstand maximum horizontal and vertical forces encountered when operating within rated capacity ...
1926.1436(d)(3)(ii) Cranes & Derricks in Construction,
The mast base and stifflegs must be designed to withstand maximum horizontal and vertical forces encountered when operating within rated capacity ...
1926.1436(c)(2)(iv) Cranes & Derricks in Construction,
The mast base must permit the mast to rotate freely with allowance for slight tilting of the mast caused by guy slack ...