![]() ![]() Pipelayers installed the fire main according to a 3D computer model that general contractor Andersen Construction used to design the interior systems. ![]() It runs neatly along the bare concrete ceiling before it jogs sharply away for a few feet and returns to the ceiling in what could be a costly mistake.īut don’t be fooled. ![]() To the untrained eye, a fire sprinkler main on the fourth floor of Portland Adventist Medical Center’s under-construction North Pavilion appears to be installed incorrectly. ![]()
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