Sec. 53. (a) This section applies to a construction, an improvement, or a maintenance project that requires creation of a trench of at least five (5) feet in depth.
(b) OSHA regulations, 29 C.F.R. 1926, Subpart P, for trench safety systems shall be incorporated into the contract documents for a public works project.
(c) The contract documents for a public works project must provide that the cost for trench safety systems shall be paid for:
(1) as a separate pay item; or
(2) in the pay item of the principal work with which the safety systems are associated.