Summit County, CO16 days ago
li>Under direction of the licensed electrician, assist in performing electrical services on equipment within the tunnel structure, including two 24,900V substations, two 500KW AC emergency generators, two 150V DC backup control systems, transformers (high voltage oil and low voltage dry type), high voltage switching equipment, electrical discharge lighting systems, elevators, complex heat tape network, and tunnel lighting system. The Special Crew Unit maintains and repairs the tunnel facility's electrical and mechanical equipment, consisting of a complex 25,000 volt electrical system, two 500kw generators, circuit breakers, contactors, relays, overloads, meters, regulating equipment, high voltage transformers, high voltage switchgear and related control systems, and complex lighting systems.