Move to G28 Z During Retract and Reconfigure Moves

[JT2003Pear]

I'm working on machine simulation for a 5AxisMaker and I need help preventing collisions during retract and reconfigure moves. Retract and reconfigure reorients rotary axes when they reach the axis limits. In my case, the C axis is reaching its limit of 355 degrees, so it is moving to -5 degrees to continue the move; however, during this move the machine collides with the workpiece. This could be solved by moving the Z axis to G28; however, I am unsure how to best do this. Any help would be greatly appreciated.