PROJECT NAME OR TYPE:

Remove and replace cooling towers in a high traffic area

PROBLEM OR TASK:

Removing and replacing four roof top cooling towers, the piping and the associated electrical/instrumentation work.

OUR SOLUTION OR DESCRIPTION OF WHAT WE DID:

This would typically be a big crane to D+R and load the roof with the new piping and then roll back in a month later with a bigger crane to set the cooling tower units. The challenge came into view when we realized that the original cooling towers weren’t structurally safe to rig off the roof in any sort of sizable section. We opted to demolish the towers and piping and store them in the mechanical lofts below the roof. At night and on weekends, we ran the scrap from the loft down the freight elevator and out of the building and into dumpsters.

UNIQUE CHARACTERISTICS OF OUR WORK:

That got our roof clear but how would we load the roof with the new 16” piping without the use of a crane. We designed the entire new piping systems in sections that would fit into the freight elevator and loaded the roof in reverse of how it had been cleared. During the next few weeks, we placed the piping, and handled the prep work in the panels for the electrical and instrumentation package. Over the final weekend of the project, we installed the new units, connected the piping, installed the instrumentation and had the system working by Monday morning.

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