StayLive actively promotes the sharing of information as soon as possible after near miss or actual safety incidents to inform members about hazards arising out of their operations.
Live Stator Heater Chassis
Date of Incident: 29 October 2018
Description:
An assessment of the OHA Unit 7 stator heaters condition and operation was carried out as part of the Refurbishment Project. Testing showed one of the 12 heaters showed a lower than expected resistance to earth. On inspection it was found that the red phase conductor had been in contact with the metallic chassis of the heater. It appeared that the conductor had chaffed on the rivet holding the metallic chassis in place allowing the contact to take place. Additionally it was found that the heater chassis was not earthed.
Original Safety Alert Link
