All Industrial Services Inc. of New Jersey| 190 Boundary Rd, Marlboro, NJ 07746
quote@rbaker.com| 732-222-3553|            
 
All Industrial Services Inc. of New Jersey| 190 Boundary Rd, Marlboro, NJ 07746
quote@rbaker.com| 732-222-3553|            
190 Boundary Rd, Marlboro, NJ 07746 732-222-3553
asset recovery, rigging team with sling and interior demolition

What is a Critical Lift?

Image of Critical Lifting

In the crane and rigging industry, a critical lift is a rigging activity in which a comprehensive plan is necessary to minimize risk of crane failure or catastrophic loss. As for the term “critical lift”, though there is no universally-accepted single definition or industry standard used for categorization, there are a number of items that are common to various agencies and rigging industry associations. OSHA characterizes the definition thusly: a critical lift is one that a) exceeds 75% of the rated capacity of the crane or derrick, or b) requires the use of more than one crane or derrick. Various other government agencies and industry associations such as NIOSH, the US Army Corps of Engineers, and the Department of Energy use their own criteria to classify a critical lift that will require development of a critical lift plan.  Following are some of the most commonly-appearing elements of a critical lift (keeping in mind that specific projects have unique conditions that should be taken into consideration): 

  • Any lift that requires more than one crane 

  • Loads exceeding 75% of a crane’s rated capacity

  • Lifting of personnel

  • Load suspension above rigging personnel

  • Loads not in view of the crane operator

  • Loads of exceptional value

  • Loads that have the potential for becoming unstable during rigging

If it is determined that a lift is to be considered critical, a detailed critical lift plan must be prepared. Following an analysis by qualified rigging personnel, a critical lift plan should include details such as size and weight of the load, equipment needed, boom length and angle, crane and boom positioning, required personnel, crane capacity, sequencing, and environmental conditions, among others.  The critical lift plan should be thoroughly reviewed with the rigging crew prior to the lift to ensure that all necessary details and required safety procedures are in place. 

R. Baker & Son, a leading rigging contractor since 1936, has conducted countless critical lifts for a vast array of clients in a variety of industries throughout the U.S., Canada and Puerto Rico. We are staffed by experienced master riggers, engineers, and skilled rigging tradespersons and equipped with all of the necessary equipment to handle even the most complex rigging projects with the highest safety standards.  

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