Cynergy Electric Company, Inc.


Featured Project

Fairfax County

Government Center Generator Replacement and Improvements


Cynergy performed a $4,163,307 contract for the Fairfax County Facilities Management Division to renovate and upgrade the Fairfax Government Center Generator System. The project improved the effectiveness and reliability of the Government Center Emergency and Standby Power Infrastructure. The project comprised of replacing the existing (2) 1100KW diesel generators with larger 1500KW diesel generators, enlarging the existing generator room, separating Life safety and Standby systems, and the addition of a building chiller and cooling tower to the standby power system. The engineer of record was Shaffer, Wilson, Sarver & Gray, P.C. The project was awarded in November 2016 and completed two months ahead of schedule. Major elements of work included demolition of existing parallel switchgear, generators, remote radiators and piping, transfer switches, exterior block wall, exterior wall panels, louvers, fuel piping, exhaust fans, fan cooling unit and associated electrical equipment, conduits and wire. Furnishing and installing new 1500KW diesel generators, 260 gallon diesel day tanks, 5000 amp parallel switchgear, nine automatic transfer switches with bypass, 1200 amp switchboard, panelboards, transformers, MCC buckets, starters, associated electrical equipment, conduits and wire.  The contract also included mechanical and architectural work consisting of; a rooftop HVAC unit, sheet metal duct work, mechanical and building insulation, exhaust piping, exhaust insulation, fuel piping, diesel day tanks, structural steel, exterior metal wall panels, wall louvers, dampers, concrete pads, rooftop gravity ventilation hoods, roofing, flashing, interior wall panels, sprinkler system, lightning protection system, temperature control and monitoring system, epoxy floor coatings, and painting.

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Design Build

Alpha Ridge Landfill

Howard County’s Alpha Ridge Landfill is a 30 year old facility accepting various types of waste. The landfill produced an average 600SCFM of 52% methane gas and has a 2200SCFM flare system to burn the gas. The $1,934,291 contract was to design and build a cogeneration plant using the landfill (methane) gas to energy with a 1059KW Jenbacher generator.

The civil, structural and mechanical design services were provided by Whitman Requardt and Associates, the electrical design was provided by Cynergy and the flare design modifications were provided by the John Zink Company. The design utilized the existing landfill piping for the gas generator, gas compressor and new gas blower. The gas generator consumes 325SCFM at full load. The existing flare system had to be modified to burn the excess gas and be able to burn all the available gas during times when the gas generator was offline. A gas piping bypass circuit was designed so when the available gas diminished and could only operate the generator the flare system could be shutdown.









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