(a) Excavators shall take all reasonable precautions to prevent contact or damage to underground facilities and their protective coatings, including but not limited to, compliance with any reasonable directions or accepted engineering practices given by affected underground facility operators.
(b) In the event of contact with or damage to an underground facility, the excavator shall immediately notify the operator of the facility.
(c) All excavation or demolition in the immediate vicinity of the contacted or damaged portion of the underground facility shall be suspended until such portion is repaired and the operator advises the excavator that excavation or demolition may proceed.
(d) No backfilling shall be done by the excavator in the vicinity of the contact or damage until the operator conducts an inspection and makes any necessary repairs; and, the excavator shall undertake no repairs unless and until authorized by the operator.