This chapter does not apply to any individual, private owner of real properly who excavates on the property, not requiring a permit issued by a government agency, and not bordering on public rights-of-way. This exemption does not apply to a contractor or any other professional hired to perform the excavation. This chapter does not apply to making excavation or demolition during an emergency, when the Notification Center is notified at the earliest opportunity and all reasonable precautions have been taken to protect underground facilities.