If there are no underground obstacles, then you’re safe to do a core sample through the concrete. “You have to figure out where you are going to place the crane. But to begin, King asks for the underground engineering drawings for the site. King often requires that core samples be taken through the concrete and into the substrate. Floors and substrateĬoncrete flooring is not necessarily a safe foundation for heavy lifts (large rotors can weigh more than 80 tons). I need to know what the allowable ground bearing pressures are,” says Project Manager Billy King Sr, TNT Crane & Rigging, Longview, Tex. “The very first thing I want to know is what I will be setting the crane on. Work on the lift plan begins long before the crane shows up at the plant. Last minute changes can lead to disaster (Fig 1). If any significant change is made to the plan, the entire lift plan needs to be reconsidered.

Second, understand that the crane company will prepare a carefully thought out lift plan, one designed to assure a safe lift. And be prepared, because that operator is going to ask for a lot of information. So, what do plant operators need to know about cranes to prevent such events?įirst, hire a reputable crane company. The most infamous, perhaps, happened at Arkansas Nuclear One in April 2013, where one worker died and eight were injured.

Within the last year, there have been several serious crane accidents in powerplants. Avoid costly, lost-time accidents by understanding the ABCs of rigging, lifting, hauling

Crane lift safety plan report example