§ 53.04 INSPECTORS; POWERS AND AUTHORITY.
   (A)   The duly authorized representative or other duly authorized employees of the city, bearing proper credentials and identification, shall be permitted to enter all properties for the purpose of inspection, observations, measurement, sampling and testing pertinent to the discharges to the city’s sewer system in accordance with the provisions of this chapter. In addition to other penalties for refusal to permit inspections under this section, all subsequent sewer bills shall be charged triple the regular rate until inspection if freely permitted by the refusing service recipient.
   (B)   The duly authorized representative or other duly authorized employees are authorized to obtain information concerning industrial processes which have a direct bearing on the type and source of discharge to the wastewater collection system. An industry may withhold information considered confidential however, the industry must establish that the revelation to the public of the information in question, might result in an advantage to competitors.
   (C)   While performing necessary work on private properties, the duly authorized representative or duly authorized employees of the city shall observe all safety rules applicable to the premises established by the company, and the company shall be held harmless for injury or death to the city employees and the city shall indemnify the company 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 company and growing out of the gauging and sampling operation, except as such may be caused by negligence or failure of the company to maintain safe conditions, as required in § 53.32(A).
   (D)   The duly authorized representative or other duly authorized employees of the city bearing proper credentials and identification shall be permitted to enter all private properties through which the city holds an easement for the purposes of, but not limited to inspection, observation, measurement, sampling, repair and maintenance of any portion of the wastewater facilities lying within the easement. All entry and subsequent work, if any, on the easement, shall be done in full accordance with the terms of the easement pertaining to the private property involved.
(`87 Code, § 403.07)