Princeton University
Friend Engineering Building
Princeton, NJ

Architect: Pei Cobb Freed & Partners

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Cosentini Associates provided full MEP/FP engineering and specialty lighting design services for this 150,000 square foot, 3-story structure that includes a library and classrooms. Designing the fire suppression system involved assessing fire partitions and hazard classifications to determine appropriate sprinkler zones and system densities. The ultimate design combined a standpipe system operating in conjunction with the fire pump and service that exists in an adjacent building. Sprinklers were designed in accordance with NFPA and local New Jersey code requirements. Hydraulic calculations were prepared to ensure that the sprinkler system performed as required. What made this a complicated design was the higher density demanded by library stacks and the exceptional depth of the structural steel required to support the library.