Assertion: trench excavation | /r/AtLocation | depth
Facets:
Source sentences:
text: A stairway, ladder, ramp or other safe means of exit must be located in trench excavations that are at least 4 feet or more in depth so that no one has to travel more than 50 feet to an exit.
text: • Safe means of egress must be located in trench excavations that are 4 ft or more in depth so as to require no more than 25 ft of lateral travel for workers.