NFCU Heritage Oaks Campus, Central Plant

The 14,000 square foot Central Energy Plant 1 supports the Navy Federal Credit Union’s first five buildings on their corporate campus. The plant provides chilled water, normal and emergency power, and fire protection water services. It contains a multiple, VFD fan cooling tower, and water-cooled 0.52kw/ton centrifugal chillers that stage as the campus load varies. The cooling plant delivers 42 degree Fahrenheit chilled water to the campus via variable primary pumping and variable building secondary pumping. The condenser water system utilizes an electromagnetic, chemical free condenser water treatment system. The chiller plant utilizes chilled water reset and waterside economizer energy management routines. The campus electrical distribution switchgear receives and distributes, from the utility provider, 12,400V electrical service to each building, where normal power and life safety transformers are redundant and sized to fully handle the building load if a transformer fails. The 12,400V emergency generator plant provides standby power for the entire campus with a minimum five day emergency fuel supply in below grade, double wall fuel tanks. A building UPS system provides temporary power until the operating generators stabilize. The fire pump room contains two (one redundant), fire pumps with distribution piping that allows each building to be individually isolated if required. A VFD fire pump adjusts distribution pressure as the county well pump domestic service pressure varies.

Project Data
LOCATION SIZE SERVICES CLIENT
Pensacola, Florida 14,000 square feet Mechanical, Electrical, Plumbing, Fire Protection ASD | SKY

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