ARC Flash Studies
Project Experience
Since 2008, UTEC, PLLC has performed numerous Arc Flash studies.  Projects have ranged from small analyses for commercial installations to detailed analyses of complete water utility systems.  A report was prepared for most of the projects and in several cases UTEC presented the report details and provided Arc Flash and Safety training for the clients.  UTEC also prepared the Arc Flash labels for each facility and equipment location.

HRP Associates, Inc
ZF Transmission Group, Gray Court, SC
Arc Flash Hazard Analysis
 
As a subcontractor to HRP Associates, Inc, UTEC performed numerous arc flash hazard studies for ZF Transmission Group (ZFTG) at their 1.4 million square foot Gray Court facility.  The initial study included analysis on approximately 700 process machines and associated equipment.  A follow up study included an additional 230 machines in the plant expansion.  Additional studies included the PESC garage and LDC Building, along with an update to the original arc flash study on the plant switchgear that was originally provided by GE.
 
Each study included field investigations to gather necessary data, developing a system model using SKM Power Tools for Windows, system one-line diagrams, fault current studies, development of switching scenarios, arc flash hazard analysis, personal protective equipment (PPE) recommendations, recommendations for mitigation where incident energy exceeded available PPE, preparation and installation of arc flash warning labels and bound report with all of the required information.
 
In addition to performing arc flash studies and providing and installing arc flash labels, UTEC also provided on-site training of ZFTG personnel concerning arc flash safety practices based on the latest version of NFPA-70E.  Each 4 hour class included a PowerPoint presentation, corresponding handouts, review of facility specific hazards and arc flash labels, and a post-training quiz.

Newport News, VA Waterworks
Arc Flash and Coordination Studies
UTEC performed comprehensive arc flash studies and short circuit/ coordination studies for all of Newport News’ Waterworks facilities. UTEC utilized SKM Power Tools for Windows software. The studies included field and record data gathering, system modeling, protective device short circuit and coordination evaluations, arc hazard label creation, mitigation recommendations, and operator training. UTEC provided a report that included analysis results, input data and time current coordination curves. Where dangerous arc hazard mitigation was critical, UTEC provided detailed drawings and instructions for implementation of technology that reduces the available incident energy while maintaining selective coordination.

Other Recent Projects:
​UTEC has completed (or is currently providing) Arc Flash Hazard Analyses for the following clients:
  • City of Seneca, Seneca, SC – Seneca’s Electric Primary Distribution System and Water Treatment Facilities
  • Gaffney Board of Public Works, Gaffney, SC –Gaffney’s Primary 24.9 kV Distribution System, Water Treatment Facilities, and Waste Water Treatment Facilities
  • Easley Combined Utilities, Easley, SC -  Easley’s Primary Electric Distribution System, Water and Waste Water Facilities, and Generation Facilities
  • City of Georgetown, Georgetown, SC -  Georgetown’s Electric Distribution System and Water and Waste Water Facilities
  • Johnson Electric Co., Lexington, NC – Arc Flash Study for CYCRA Racing’s new facility’s 480V Main Distribution Panelboard
  • Cherry Point Marine Corps Air Station, Cherry Point, NC – Arc Flash Analyses for Two 12.47 kV Outdoor Substations, Eight 12.47 kV Metal Clad Switchgear Stations, Five 12.47 kV Overhead Feeders, Twenty-eight Underground 12.47 KV Feeders, 480V Transformer secondaries and Downstream Switchgear, MCC’s, and Panelboards
  • Shaw Air Force Base, Sumter, SC – Arc Flash Analyses for 12.47 kV Dip Poles, 12.47 kV Metal Clad Switchgear Stations, 12.47 kV Regulator Stations, 12.47 kV Pad Mount Switches, and Transformers, and Power Distribution Centers
  • Camp Geiger Marine Corps Station, NC – Arc Flash Analyses for 12.47 kV Metal Clad Switchgear Stations, 12.47 Regulator Stations, 12.47 kV Pad Mount Switches, and Transformers, 480V Power Distribution Centers
  • Camp Lejeune Marine Corps Station, NC – Arc Flash Analyses for 12.47 kV Metal Clad Switchgear Stations, 12.47 Regulator Stations, 12.47 kV Pad Mount Switches, and Transformers, 480V Power Distribution Centers
  • Wallace Creek, Camp Lejeune, NC – Arc Flash Analyses for 12.47 kV Metal Clad Switchgear Stations, 12.47 kV Pad Mount Switches, and Transformers, 480V Power Distribution Centers
Utility Technology Engineers-Consultants, PLLC (dba UTEC) has proudly provided electrical engineering design, analysis, consulting, and construction services to utilities and various industries for over 30 years.  UTEC's home office was founded in 1989 and is located in Asheboro, NC, with a branch office in Spartanburg, SC.  Our skillful engineering staff members averages over 30 years of experience.
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