Underground Air Door Electrical Inspection SWI
by Nyamjav Terbish, from the Community
Detailed Safe Work Instruction for conducting a 4-week underground air door electrical inspection at Kennecott Underground. Intended for trained, authorized electricians, it outlines pre-start preparations, C1 isolation, hazard controls, PPE, and housekeeping. Step-by-step checks cover electro-mechanical drive units, PLC control cabinets, labeling, photo sensors, safety cables, lighting, and external visual inspections of disconnect, safety switch, and booster fan panels with arc flash and CRM signage. Includes E-stop functionality testing, reinstatement of removed items, cleanup, defect reporting, and documentation notes.
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