1. Wires, cables, conduits, vaults, laterals, pipes, mains, valves or other similar equipment for the distribution to consumers of telephone or other communications, electricity, gas, or water or the collection of sewage, or surface or subsurface water, operated or maintained by a governmental entity or a public utility or other city franchised utilities including customary meter pedestals, telephone pedestals, distribution transformers and temporary utility facilities required during building construction, whether any such facility is located underground or aboveground; but only when such facilities are located in a street right-of-way or in an easement less than twenty-five feet in width. This exemption shall not include any substation located on or above the surface of the ground or any such distribution facility located in an easement of twenty-five feet or more in width which shall be regulated by the provisions of Chapter 16.66 LMC;

2. Railroad tracks, signals, bridges and similar facilities and equipment located on a railroad right-of-way, and maintenance and repair work on such facilities and equipment. This exemption shall not include any facilities and equipment listed as special uses.