The erection, construction, alteration, or maintenance, by public utilities or municipal or other governmental agencies or private corporations under contract to a municipality, of gas, electrical, steam or water transmission or distribution system, and sewer and solid waste disposal systems, including buildings, enclosures, wells, pumping stations, poles, wires, mains, drains, sewers, pipes, conduits, cables, fire alarm boxes, police call boxes, traffic light signals, hydrants, sanitary landfills, incinerator waste disposal areas, and other similar equipment and accessories and services in connection therewith, reasonably necessary for the furnishing of adequate service by such public utilities or municipal or other governmental agencies or private corporations under contract to a municipality, including firehouses of fire companies and emergency services under agreement with the municipality or for the public health or safety or general welfare.