RULE 38. ENGINEERS SWITCHING ENROUTE WHERE YARD CREWS STATIONED.  Road engineers enroute required under instructions to do switching where yard crews are stationed, other than setting out bad order cars from their train and/or making a straight set out of other cars from their train and/or making a pick up of cars into the train which are first out from a single track, will be paid the actual time consumed with a minimum of one hour in addition to all other time for the trip and without deduction for the time so consumed.