AMS employees from safety and health hazards in tHe work place related to the. discharge of electrical energy when working within the arc flash boundary. distance. The type of electrical equipment, Voltage of the equipment and job task. being performed determines this distance.
For other uses, see DTW (disambiguation). Detroit Metropolitan Wayne County Airport (IATA: DTW, ICAO: KDTW, FAA LID: DTW), usually called Detroit Metro Airport, Metro Airport, or just DTW, is a major international airport in the United States covering 4,850 acres (1,960 ha) in Romulus, Michigan, a suburb of Detroit.
Between 1947 and 1950 the county expanded the airport to become Detroit's primary airport. It was renamed Detroit-Wayne Major Airport in 1947, and in the next three years expanded threefold as three more runways were built. In 1949 runways 3L/21R and 9L/27R were built, and in 1950 runway 4R/22L was added.