What is multiple lift rigging?
Category:
business and finance
construction industry
A multiple lift rigging assembly is used; A maximum of five members are hoisted per lift; Only beams and similar structural members are lifted; and. No crane is permitted to be used for a multiple lift where such use is contrary to the manufacturer's specifications and limitations.
Beside this, what is the minimum distance between structural steel members when hoisted on a multiple lift rigging assembly?
7 feet
Likewise, people ask, what is the required safety factor for components of a multiple lift rigging assembly?
Multiple-lift rigging assembly capacity, for the total assembly and for each individual attachment point, must [29 CFR 1926.753(e)(2)]: Be certified by the manufacturer or a qualified rigger. Be based on the manufacturer's specifications. Have a 5-to-1 safety factor for all components.
1 The factor of safety is the ratio between the minimum breaking load and the safe working load. 3.2. 2 The factor of safety for the following equipment must not be less than 6:1: (a) Web slings; (b) Round slings; (c) Shackles.