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DOT Code: 622.684-022

Industry: chemical

Inspects, services, and tests railway tank cars used to transport compressed and liquefied gases: Connects flexible hose from suction line to car and opens valves on car and in blowoff line to facilitate removal of residual gas from used tank cars. Removes safety and flow control valves from car with wrenches, replacing valves with reconditioned ones. Examines car interior for defects and cleanliness, passing light beam into car and viewing it through valve openings or entering car through dome. Washes interior with water and dries with steam. Routes defective cars for repair. Tests tanks for leaks [Hydro-Pneumatic Tester (any industry)].

GOE: 05.12.12 STRENGTH: M GED: R2 M1 L2 SVP: 4 DLU: 77