Replace Fire Alarm Systems B7000 & B7001 at NBK Bangor
Design-build fire alarm replacement of obsolete fire alarm systems in two industrial manufacturing facilities located in lower base (i.e., higher level security) at NBK Bangor. Designed and installed temporary fire alarm systems to enable disabling the existing systems in their entirety. Coordinated construction with various commands within each facility.
Replace 2300 Volt Substations
Provided upgraded electrical inftrastructure to replace three substations at the Puget Sound Naval Shipyard. Provided new transformers, underground electrical distribution, circuit breakers, feeder lines, commissioning of all new equipment items, and associated substation building improvements. Coordinated outages and cut-overs to and from temporary power to facilitate base operations.
Upgrade Tunnel D Electrical
Design-build electrical upgrade including installation of new explosion-proof (EP) primary power conduits; conductors; EP electrical panels; EP lighting fixtures and power conduits; and EP power receptacles. Design included photometric study to ensure illumination and uniformity criteria were satisfied. Provided temporary power service to maintain operation of critical fuel tank monitoring system during construction.
Electrical Distribution NHB
Upgrade and replacement of critical electrical infrastructure and life safety system elements including new ATS for existing diesel engine emergency generators; UPS system upgrade for phone and information management systems; electrical load redistribution; critical branch circuit installation; Motor Control Center replacement; PA system upgrade; and FA, exit signage, and emergency pathway lighting upgrades.
Restore Ventilation NHB B1, Phase II
Code-required modification and replacement of 7 air handling units (AHUs), 1 heating & ventilation (HV) unit, 19 fans, and 14 pumps on HVAC systems serving administrative areas, operating rooms, exam rooms, laboratories, and service areas. Extensive phasing, infection control, and outage coordination was required to maintain hospital operations.
Design-build replacement of an obsolete quartz halogen backlighting system with a new, energy-efficient LED system for the high-security Main Limited Area (MLA). Design work included engineering and photometrics. Provided new electrical infrastructure to support the four mile perimeter protection system. Phased construction to maintain perimeter protection throughout construction.