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Michael, <br /> <br /> Three-step, red zone, three-point are the same thing. Different railroads have different ways of saying the same thing basically. A person on the ground, such as a conductor, brakeman, switchman, carman, utility man, etc will ask for three-step protection when they need to go between, under, or within 25ft of rail equipment with controlled locomotive power attached. The engineer or Remote operator performs a few basic functions to ensure that the requesting employee receives the protoection desired. Engineers must: 1) put the reverser in neutral 2) open the generator field circuit 3) set the indepenent brakes?? (I forgot the last one). Once the engineer does this they report to the requesting employee that they have three-step protection. Most commonly I use three-step to couple air hoses and turn angle cocks, and of course to apply or release hand brakes. Three-step ensures me that the engineer cannot accidentally move, or that the cars will not move while I am in between them. The other rule is that the person who asks for three-step protection also has to be the one that releases it. If there's anything I missed, feel free to fill in my fellow forum members.[:D]
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