4.6 UNLOADING FRAMING LIFTING CABLES AND SPREADER BARS FOR THE GENERAL STEEL BUILDING

In all instances the length of the lifting cables should be such that the angle between the rafter and the lifting cables is no less than 45 degrees. To reduce the severe compression stresses at the ridge of the rafters which are created by the angle of lifting cables, a spreader bar is recommended, which allows

NOTE:
Stay well in the clear of loads being moved by any lifting device. Hands and feet should be kept
clear of moving loads and never stand under a load being lifted. Remember, SAFETY FIRST!

Completing and Plumbing the First Bay >>