PROFESSIONAL ENGINEERING SERVICES TO CONDUCT AN ARC FLASH ASSESSMENT AT PUBLIC UTILITIES FAC

2026-11-03

The selected Professional Engineering firm is responsible for providing services that meets the requirements of the current standards in accordance with 29CFR1910 . 132 .( d )( 1 ), NFPA 70E associated with the project including , but not necessarily limited to : 1 . Collect field data for service transformers ’ nameplate data , generator nameplate data , short circuit and equipment duty ratings , types and sizes of all protective devices , and conductor sizes and lengths for all feeders and necessary branch circuits . 2 . Enter field data and create a one - line model in an appropriate power analysis system database . 3 . Perform a preliminary short circuit and equipment verification study to verify the facility ’ s equipment is rated to safely handle short circuit currents without creating hazardous conditions . 4 . Calculate impedances using circuit sizes and configurations , transformer nameplate data , generator nameplate data , and source impedance data obtained from Duke Energy ’ s or Blue Ridge Energy ’ s electric system . 5 . Determine system operating modes and conditions that can impact short circuit currents and arc flash hazard energy levels . 6 . Perform and arc flash analysis to determine arc flash energy levels , arc flash protection boundaries , and PPE requirements . 7 . Review protective device coordination to determine if arc flash hazard energy levels can be reduced . 8 . Prepare and provide a detailed report on findings of the analysis . 9 . Provide two ( 2 ) hard copies and one ( 1 ) electronic copy in . pdf form of the analysis report . 10 . Create and install arc flash informational labels for appropriate equipme

North Carolina

2026-05-08