Southerly First Stage Aeration Improvements: Cleveland, OH – Electrical design of 5kV switchgear, 900HP medium voltage reduced voltage starters (RVSS) for wastewater treatment facility blowers.

Waste Management Leachate Treatment Facility: Waverly, VA – Electrical design of 13.8kV:480 oil-filled utility grade transformers, 4000A main-tie-main with dual 2500kVA diesel engine generators, PLC automatic transfer, 3000A main-tie-main non-essential load switchgear, WIFI and wired Ethernet communications.  Design included power and controls for GWL, LST, Aeration Basins, chemical feeds, Salt Works, and 10,000sf Process Building.

Wastewater Treatment Plant: Cayce, SC – Electrical design of power distribution, and PLC-based Supervisory Control and Data Acquisition (SCADA) system for new 25 MGD Wastewater Treatment plant including Headworks, Aeration, RAS, WAS, Centrifuge, Chlorination, two story Office building, emergency standby generation.  27kV double-ended metal-clad switchgear with generator control section, 23.9kV underground concrete-encased power loop, three phase, dead-front, pad mounted transformers, low voltage switchboards, motor control centers, TVSS, parallel 1500kW, 480V generators.  Approximate project cost $52M.

Wastewater Treatment Plant: Jessup, GA – Electrical design of power distribution and SCADA for new 3.5MGD Wastewater Treatment Plant including Bar Screens, Aeration Basins, Sludge Holding, Centrifuge, Chlorine Contact chamber, Effluent Pump Station, and Office building.  Variable Frequency Drives (VFDs) with dv/dt filters utilized to maximize process and minimize power consumption.  Approximate project cost $12M.

Wastewater Treatment Plants: BAHA Region – Saudi Arabia – Electrical design of power distribution and SCADA system for nine (9) new Sewage Treatment Plants (STPs) ranging in size from 1500 m³ per day to 12,500 m³ per day including Bar Screens, Aeration Basins, Membrane Thickeners, Sludge Holding, Centrifuge, Ultraviolet disinfection, Effluent Pump Station, and Chemical Storage and pumping.  Variable Frequency Drives (VFDs) were utilized to maximize process and minimize power consumption.  Approximate project cost $65M.

Riverside Water Treatment Plant #1: City of West Columbia, SC – Electrical design of new 480V, 2500A, three phase, service entrance with provision for future emergency standby generator, power distribution, and PLC-based communications upgrade for Water Treatment Plant including new Blowers, Lime Silo, New MIOX disinfection system, upgrade of Flocculators and Sedimentation Basins, new Trac-Vacs, and new motor control centers. Approximate project cost $9M.

Water Reclamation Facility (WRF): City of Myrtle Beach, SC– Electrical design of power distribution and communications upgrade for existing 17MGD facility including new 15kV service entrance switchgear, new automatic Bar Screens, new vortex Grit Chambers, new Screw Pumps, new Lime system, paralleling of two new 1500kW – medium-voltage emergency standby generators, and upgrade of existing PLC-based SCADA system.  SCADA system design incorporated 10BASE-T Ethernet communications utilizing fiber optics, spread-spectrum radios and A/B SLC 505 Ethernet-ready programmable logic controllers (PLCs).  Electrical construction cost in excess of $2.5M.

Wastewater Treatment Plant: Dillon, SC – Electrical design of power distribution and communications upgrade for Dillon and Cypress Pond Wastewater Treatment Plant including new Bar Screen, new Aeration Basins, new Chlorine Contact chamber, new 10,000sf building, replacement of existing 250HP Reduced Voltage Autotransformer (RVAT) starters with new Variable Frequency Drives (VFDs)., new motor control centers, transient voltage surge suppression (TVSS), and new emergency standby generation to serve approximately 3MGD addition to plant treatment process.

Wastewater Treatment Plant: City of Hartsville, SC – Power, control and communications design for wastewater system improvements including addition of two Aeration Basins, Clarifiers, Bar Screens, Influent Structure. Design included 6000 square foot Laboratory Building.

Wastewater Treatment Plant (WWTP): City of Mullins, SC – System improvements including addition of three Aeration Basins, Pump Station, Bar Screen and remote Effluent Spray Fields. Utilized A/B DeviceNet™ to operate remote motorized valves at pre-programmed intervals.

Hanahan Water Treatment Plant: Charleston, SC Public Works – Electrical design of power distribution and communications upgrade for treatment plant including twenty (20) year Electrical Master Plan, additions to serve approximately 4.5MW of new process equipment at 480V and 4160V, and addition of 2000kW natural gas emergency standby generation.  Modified PLC-based SCADA system to accept new equipment I/O.  Performed budget cost analysis of proposed improvements.

Water Treatment Plant for Industrial and Domestic (I&D) Water Supply: City of Savannah, GA – Designed upgrade including, Lime system, Raw Water flow meter, Rapid Mix, Chemical Injection, Trac-Vacs, Sedimentation Basins, Area lighting, Flocculators, upgraded existing SCADA system, integrated existing Foxboro DCS utilizing fiber optics and PLC for existing 100MGD facility.  Electrical construction cost in excess of $2.2M.

Booster Pump Station for Industrial and Domestic (I&D) Water Supply: City of Savannah, GA – Designed power and communication for new 200HP variable frequency drives (VFDs), low-voltage metal-clad draw-out switchgear, new 75-kW emergency standby generator, and integration of new equipment I/O into existing SCADA system.

Booster Pump Stations: City of Hartsville, SC – Electrical design of power distribution and communications upgrade for multiple stations ranging from 7HP to 500HP in size.

Booster Pump Stations: City of Bennettsville, SC – Electrical design of power distribution and communications upgrade for multiple stations ranging from 7HP to 500HP in size.

Platt Springs Elevated Tank: City of West Columbia, SC: Power distribution and communications upgrade for addition of altitude valve at existing elevated tank.

Elevated Tank and Booster Pump Station: Lee County, SC Economic Development Alliance – Electrical design for power, communications and ground ring for 250,000 gallon tank and associated pump station.

Greenhill Standpipe: City of West Columbia, SC – Electrical design for new emergency standby generator and automatic transfer switch, new service entrance, modifications to existing PLC-based SCADA system.