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Spray-applied fireproofing is one of the final scopes completed before a building is ready for inspection. It is also one of the first things inspectors scrutinize. If the fireproofing fails inspection, the project can stall even when every other trade has finished its work. That happens more often than many project teams expect, and almost always for the same reason: the fireproofing was treated as a spray operation instead of a coordinated fire protection system. Spray-appl

Most construction projects have the luxury of an empty building. The crew shows up, the space is theirs, and the work proceeds on its own schedule. Occupied building construction is a different situation. The patients are still in the rooms down the hall. The students are still in class on the floor above. The government office is still processing applications two corridors away. Working in that environment is not simply a matter of being careful. It requires a fundamentally

When the Battery Park City Authority needed to protect the Museum of Jewish Heritage from storm surge without blocking its views of New York Harbor, the engineering answer was a 250-foot flood barrier topped with toughened glass. It was the first flood wall of its kind in New York City, and only the second in the United States. 4D Construction, Inc. was the contractor that built it. That project, completed as part of the $298 million South Battery Park City Resiliency Project