Client: U.S. Army Corps of Engineers

Location: Ft. Belvoir, VA

Job Description: Fire Protection and Life Safety Design

is responsible for the fire protection and life safety aspects of this $1.4 billion consolidation of the National Geospatial-Intelligence Agency's assets to the Ft. Belvoir Engineering Proving Grounds' New Campus East (EPG-NCE). Full design services are provided for a 2.1M ft2 main operations buildings, a central utility plant, a technology center, a visitor control center, a remote inspection facility and a 6-story 5,100 space parking garage.

Cherokee's design team provided system designs for fire pumps, standpipe systems, wet- and dry-pipe and preaction sprinkler systems, and fire alarm and mass notification systems. Cherokee also provided input to atrium smoke exhaust and stairwell and elevator lobby pressurization systems, kitchen suppression systems, underground water mains and fire hydrants. Project challenges included rack storage, redundant fire pump sequencing, battery systems, a 150-ft tall atrium, specialized computer data centers, telephone switching stations and system interactions with Chemical, Biological, Radiological, Nuclear and Explosive (CBRNE) monitoring considerations.

Cherokee also provided code summary/life safety evaluations for all buildings including the specification of fire rated partitions and walls, egress components (stair width, exit passageways, etc.) and fire extinguisher placement The life safety/egress analysis of the project's main building entailed analysis of 70,000 ft2 of educational space, a 500-person auditorium, restaurant-style seating for more than 4,000 people, mercantile space and office/operational space for 8,500 workers.


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