While performing the necessary work on private properties referred to in § 52.34, the duly authorized employees of the city shall observe all safety rules applicable to the premises established by the commercial or industrial user, and the user shall be held harmless for injury or death to the city employees, and the city shall indemnify the user against loss or damage to its property by city employees and against liability claims and demands for personal injury or property damage asserted against the user and growing out of the gauging and sampling operation, except as may be caused by negligence or failure to maintain safe conditions.
(Prior Code, § 5.04.34)