![]() Northwest Steel Erection (NSE) created the critical lift plan and provided a step by step process for the ISU lift. ![]() Once the lift was complete and NSE was connecting it to the building OSHA defines a critical lift as any lift that (1) exceeds 75% of a crane’s rated capacity (2) utilizes more than one crane or (3) is lifting personnel. The two cranes were rated at 300 tons and 500 tons, respectively and after the calculations were run each crane was calculated at almost 70% capacity. It was a very large lift that required two cranes to get the job done. ![]() That’s about as long as the wingspan of a Boeing 747 and weighs around 16 elephants. This project needed to lift a 38′ tall, 220′ long truss that weighed 92 tons. Before the lift took place while the team disconnected the support beams Recently, Neumann Brothers project team completed a critical lift at Iowa State University’s Sports Performance Center on the north end of Jack Trice Stadium.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |