MS Underground Utilities Practice Questions - Mississippi Underground Utilities Contractor Examination Exam

Two ladders, one at each end, because only the ends of a trench need egress Six ladders, spaced no more than 50 feet apart, so no worker is more than 25 feet of lateral travel from one Three ladders, spaced 100 feet apart, because the lateral-travel rule applies only to trenches deeper than 20 feet No ladder is required, because the egress rule starts at 20 feet of depth