Medium Voltage

Atlantic Electric, LLC is a full-service Medium Voltage Contractor located in Charleston, SC. Atlantic Electric has more than 30 years’ experience self-preforming the installation of Medium Voltage Equipment and Cabling. Below is just some of the project we have been working on.


Repair Taxiway Kilo and Hot Cargo Pads, Joint Base Charleston Air Base, SC

October 2013 to December 2014, Subcontract Amount $600,000+

The project consists of the complete reconstruction of the hazardous cargo aprons with new Portland cement concrete pavement and asphalt pavement shoulders.  Incidental work includes but is not limited to 20,000 LF5KV Airfield Circuits, new pavement markings, airfield lighting, under drains and grassing.  The electrical work includes demolition of existing airfield light fixtures, transformers and cans; backfilling and compaction with suitable backfill materials prior to shoulder work by civil contractor; provide and install all taxiway lights, signs, conduit, grounding, etc. as shown on the contract drawings; install concrete sign pad foundations; provide and install junction plazas, concrete handholes, directional boring pipes across Taxiway Delta, new concrete encased ductbanks; core drilling of asphalt shoulder for all edge lights; all excavation, backfill and compaction for a complete underground electrical installation; provide temporary jumpers for airfield circuits as necessary per phasing plan; install drain fitting from bottom of each light can to the edge drain; remove and relocate existing light poles as shown; provide and install new brackets and fixtures where shown; install new concrete foundations for new and relocated light poles; remove and re-install strobe light on “frangible foundation”.


Simulated LHD Deck, MCAS Beaufort, SC

September 2013 to January 2016, Subcontract Amount $2 Million+

This project is for construction of a Simulated LHD Flight Deck (P-456) consisting of high temperature resistant concrete material and a new Landing Officer Safety Officer tower to support F-35 training and operational squadrons.  Also, construction of a simulated short takeoff and vertical landing (STOVL) LHD carrier-landing deck consisting of required foreign object debris zones, airfield lighting and associated electrical upgrades.  The electrical work consists of demolition of existing airfield light fixtures and wiring; provide and install all taxiway lights, signs, conduit, grounding, etc. and all power, lighting, communications, etc. for a complete installation at tower; install control panel for deck lights; lightning protection system at tower; warning lights/signs; edge lighting conduits under concrete pavement; precast handholes and electrical ductbanks; two new approach light bars including ductbank to tie into existing approach light bars; communications cabling from existing building 1080 to new tower including 50 pair copper cable, 24 strand single mode fiber optic cable, splices, terminations, etc. for a complete communications system; 15,000 LF 15 KV medium voltage cable including terminations and testing; medium voltage cable from transformer inside existing vault building 740 to existing pad mount transformer at sequence flashing master cabinet including terminations and testing; concrete sign foundations complete; provide directional boring of road crossings; all excavation, backfill and compaction for a complete underground electrical installation; temporary jumpers for airfield circuits as necessary; drain conduits at the bottom of each light can, including gravel bed; and cut asphalt shoulder to install conduit to new guidance signs.


P-472 Airfield Security Upgrades, MCAS Beaufort, SC

August 2013 to December 2015, Subcontract Amount $5 Million+

The construction project is for airfield security upgrades to the flight lines to meet Level II restricted area requirements and to comply with Joint Air Force Army Navy (JFAN6/9) physical security standards for special access program facilities.  The electrical work is to provide and install all medium and low voltage electrical work including 130,000 LV 15KV cable/wire, terminations, ductbank system, manholes,    15 KV switchgear, etc.  Provide and install all communications for a complete raceway system; concrete poles and light fixtures; directional boring conduits; exposed rigid steel conduits as required.  Provide and install fiber optics; grounding of light poles and camera poles including lightning protection; generators, transfer switches and the housekeeping pads; walk-in switchgear MXS-1 with outdoor N3R enclosure; housekeeping pads for all sectionalizing cabinets and pad mount transformers; fireproofing of cables in manholes; grounding of turnstiles and vehicle gate motors.


Home-Porting National Security Cutters (NSC), Coast Guard Facility Sector Charleston, Charleston, SC

September 2013 to July 2014, Subcontract Amount $2 Million+

This is a Design build project to construct and renovate facilities required for home-porting the new National Security Cutters (NSCs) at US Coast Guard Facility Sector Charleston, Charleston, SC.  Atlantic Electric’s subcontract includes installation of 5,000 LF 15 KV 500 MCM Cable and terminations, 2 – 2000 KVA 15 KV Transformers , 15 KV Switchgear, demolition of the electrical items; demolition and removal of all existing medium voltage cables at the pier; furnish and install electrical distribution for new shore power feeds; electrical in new electrical equipment structure; all under pier conduit, cable tray, and wire for new shore power mounds; telecommunications and fiber optic to new shore power mounds; new lighting and communications system in renovated portion of Building 681; relocate existing pole light B229 for new structure; reconfigure electrical lighting and power in existing equipment room as new storage; install service, distribution, lighting and receptacles for new parking lot storage building; remove and replace electrical distribution items for 1st floor of Building 681; furnish, modify and install new fire alarm system components in Building 681; and install Shore Power Mounds.


P1101 Aviation Fuel Storage and Distribution Facility, Joint Base Charleston, SC

November 2012 to April 2015, Subcontract Amount $1 Million+

Construction of a new aviation fuel storage and distribution facility (P-1101) and operations building for Charleston AFB, SC.  Atlantic Electric is installing the electrical and process control systems.  The electrical work includes installation of the primary electrical distribution including 3,500 LF 15 KV Cable, two 15 KV transformers, 15 KV sectionalized cabinets, 1-15 KV air gas Switches, secondary electrical distribution and lighting; excavation, compaction and concrete for ductbanks, pole bases and exterior electrical equipment pads; pole line demolition; install, conduit connect and terminate, pump control panel & non fuel pipe mounted instrumentation; connect and terminate fuel dispensing equipment; install conduits with pull strings and electrically connect (power only); conduit for ATG, wiring and terminations; site lighting poles and fixtures; generator including fuel; grounding / fence grounding; lightning protection; fire alarm & mass notification; conduits, disconnects and power wiring only for gate controllers; installation of plant communications, conduits, boxes and cables; install conduit, handholes and fiber optic cable to bldg. 97.


Red Horse Readiness and Training Facility, Joint Base Charleston Air Base, SC

October 2012 to December 2016, Subcontract Amount $1 Million+

The project entails construction of a 3,083 SM facility with a new two-story, Administration and Maintenance Building, roads, parking areas and site improvements.  The work and facility is being constructed in accordance with current AT/FP standards and will be able to receive a United States Green Building Council (USGBC) Leadership in Energy and Environmental Design (LEED) rating of Silver.  Atlantic Electric, LLC is installing the 10,000 LF 15 KV Cable and Terminations, two 15 KV transformers, 6-15 KV sectionalized cabinets, 1-15 KV SF6 air Switches, conduit, electrical & communications ductbank; lighting fixtures; electrical distribution gear; feeders and branch circuits; grounding & bonding; foundation for key pads/card reader at entrance gates; conduit system w/pull string for fire alarm, telecommunications/data, public address system, mass notification system; new pole riser; seismic anchoring and bracing; connecting the power wiring to all devices; providing terminations for the electrical equipment; and reworking the communications hand hole.


Main Circuit Breaker-15 KV SFC Installation, Elberton, GA

February 2012 to October 2013, Contract Amount $10 Million+

This project is for replacement of the existing main unit circuit breakers (MCBs) for Units 1-8 with new Government-furnished SF6 15 kV MCBs, replacement of the existing static excitation systems for Units 5-8 with new Government-furnished static excitation systems, and complete installation of a new Government-furnished static frequency converter (SFC) system at the Richard B. Russell Powerhouse.  The work includes, removal of eight (8) main unit circuit breakers (MCBs), eight (8) disconnects, control equipment and enclosures; removal of control cables to the generator actuator cabinets and excitation cubicles in the generator bays and switchgear rooms and to the main control panels in the Powerhouse control room; partial removal of isolated-phase bus and supports; removal of the air compressor; removal of four (4) static excitation systems; installation of eight (8) Government-furnished ABB Type HGC3 SF6 circuit breakers, control cabinets and isolated-phase bus (IPB) and supports, including cable; installation of four (4) Government-furnished Cutler Hammer ES2100 digital static excitation systems; complete the installation of the Government-furnished ASI Robicon static frequency controller (SFC) system, input and output circuit breakers and transformers, two (2) current-limiting reactors, and isolated-phase bus; conduits; medium voltage cables and control cables and terminations; and the miscellaneous electrical accessories. Additional items include installation of eight (8) three-phase disconnect switches for the MCBs, installation of two (2) three-phase disconnect switches for in isolated-phase bus to the SFC current limiting reactors, and installation of four (4) vacuum circuit breakers.



Repair/Replacement of Runway 15/33 and Taxiway Hotel, Charleston AFB, SC

April 2012 to August 2013, Subcontract Amount $6 Million+

Remove and replace all airfield lighting systems for 9,000 LF runway including runway edge, centerline, touchdown zone, runway distance remaining markers, arresting gear markers, runway exit signs, taxiway guidance signs, runway guard lights, windsocks, runway end and threshold lights.  The ALSF-II was replaced on the 15 end which includes elevated fixtures, sequence flashing system and LIR towers.  The 33 end approach includes a MALSR with LIR towers.  Other NAVAIDS work included new PAPI’s on both ends, relocation of the Localizer Antenna Array, installation of a new MALSR/Localizer shelter and all associated wiring.  Multiple taxiway sections were also replaced at T/W Alpha, Charlie, Delta, Echo, Foxtrot, Golf, Hotel, Juliet and Lima which resulted in approximately 250 new taxiway edge lights.  The underground distribution portion of this project included 70 manholes, 270,000 LF of PVC conduit, 330,000 LF of series airfield lighting cable, 30,000 LF of 15 KV medium voltage cable and terminations, and four 15 KV pad mount transformers.  Miscellaneous concrete items included ten junction plazas, 56 sign pad foundations, PAPI housekeeping pads, Localizer Antenna Array foundation, MALSR shelter foundation, threshold bars and runway end light bars.  The airfield lighting vault work included adding several regulators which are powered from existing electrical panels.


Repair Electrical Distribution-Area H, Joint Base Charleston, SC

October 2011 to May 2012, Subcontract Amount $1 MIllion+

The project involved demolition of the existing overhead primary electrical distribution system and replacing it with the construction of a new underground electrical utility system.  The work was to provide and install concrete pads and bollards, 30,000 LF 15 KV Cable and terminations, new 15.5 kV, 600 Amp pad-mounted vacuum fault interrupter switchgear, sectionalizing cabinets, single & three-phase pad mounted transformers, grounding system, electrical handholes, light poles, Lithonia 400 W single & double pole-mounted lighting fixtures, socket-mounted electronic programmable outdoor watthour meters, 280/120 Volt 3 Phase panelboards, rack mounted disconnect, 250 Amp secondary breaker, junction boxes, trench and install conduits, install directional drilled 15 kV medium voltage cable, and install and connect new duct bank to existing duct bank and equipment.


Repair and Replace Airfield Lighting at NAS JRB, New Orleans, LA

September 2009 to May 2011, Contract Amount $14 Million+

This project was a design-build project for repair and replacement of airfield lighting on the two main runways, two main taxiways and connecting throats at the Naval Air Station Joint Reserve Base, New Orleans.  The project included demolition, removal and replacement of existing runway and taxiway lights, guidance signs, 15 KV transformers and pads, 560,0000 LF 5KV cable and terminations, all new electrical conduits and circuits, main 5KV feed, control panels, threshold lights, wave off lights, PAPI and ALSF1 systems, handholds, vaults, helipad lighting system and windsocks.  The work also included improvements to runway surfaces including a new Portland cement concrete throat for the Louisiana Air National Guard, new arresting gear, improvements to the runway shoulders and surrounding drainage conditions and repairs to the existing storm sewer system. The work required coordination with air traffic control to keep one runway in operation at all times. This $15MM design build project was designed and constructed in 18 months.

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