The Challenge: Installing a unit with a total lift weight of over 200,000 lbs
ENTREC was tasked to install the components to a slurry preparation plant, which included 2 launder units weighing in at over 200,000 lbs. Supporting steel was erected along with equipment in the plant which made some of the lifts a challenge.
ENTREC's engineering team was set out to design a safe erection plan for the surrounding support steel and safe lift plan for the installation of the underflow launder line which was to be placed atop a pumpbox in the plant. A 500 ton capacity Manitowoc crawler crane with 220 feet of boom and specialized rigging, designed by ENTREC's engineering team including a 37’ long pipe spreader bar capable of lifting over 240,000 lbs, was designed to place the unit.
The resulting lift was achieved with 691,200 lbs of counterweight, 220 feet of boom at an 80 foot set radius and a total lift weight of 237,355 lbs.
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