Park Service contractor deploys vacuum lifting for new White House steps

Sources: Vacuworx, Tulsa, Okla.; CP staff

The National Park Service’s Frederick, Md.-based Historic Preservation Training Center (HPTC) deployed a Vacuworx lifting system to set 46 new Missouri limestone slabs, topping out at 2,400 lbs., during the recent White House South Portico stairway reconstruction. The diesel-powered device pulls a vacuum between lifting pads and objects to be placed, securing a positive seal.

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