The public works coordinator and other duly authorized employees of the city or the Western Carolina Regional Sewer Authority bearing proper credentials and identification shall be permitted to enter all private properties for the purpose of, but not limited to, inspection, observation, measurement, sampling, repair and maintenance of any portion of the sewer works lying within the city’s easement. All entry and work shall be done in full accordance with the terms of the duly negotiated easement pertaining to the private property involved. (Prior code § 4-1-7)