The contractor shall ascertain and verify the location of any public underground utilities that may be on the property before doing any grading excavation, and once located, he shall take reasonable care to protect and avoid damage to any such underground utilities by allowing forty eight (48) hours for such utilities to be located. Any and all damage caused to public utilities by any act or negligence of the contractor's employees shall be repaired at the contractor's expense to the satisfaction of the utility company and/or the city. (Ord. 2012.04, 1-18-2012)