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Performing an extensive remodel on a 48-year-old building meant that Hoffman Construction would need to use high-tech tools.
Cade Lawrence of Hoffman Construction said crews used ground-penetrating radar to locate cables in slabs of concrete for determining where to install new piping and ductwork. The system was required because crews were working with post-tensioned concrete in the building remodel. "We were very successful in being able to penetrate the slab," said Lawrence.
That was just one of the challenges Hoffman faced converting the Toronto National Building at 550 S.W. Oak St. to the Courtyard Marriott - Portland City Center. The building had been unoccupied for many years.
The Marriott, with 16 floors and 256 rooms, was designed by SERA Architects to meet LEED gold standards. The hotel is on course to be the city's first to be certified LEED gold. [Read full article]
By Sam Bennett,
DJC Oregon - Friday, April 17, 2009