§ 156.07 MAINTENANCE OF MECHANICAL AND UTILITY SYSTEMS.
   (A)    Lighting and electrical.
      (1)    Lighting of public or common areas, all public hallways, corridors, and stairways shall be provided at all times with natural or artificial illumination equal to at least three footcandles on every part of such area.
      (2)    All other common areas, such as boiler rooms, laundries, basements, locker rooms, meter rooms, and cellars, shall be provided with electrical lighting facilities which when lighted will provide illumination equal to at least three footcandles on every part of such area.
      (3)    The Building Inspector shall have the authority to increase the requirements of division (A) (1) and (2) if the degree of reflected light is not, in his opinion, adequate for safety.
      (4)    All insulated conductors and all additions or alterations of wiring and electric fixtures required to be installed to conform to the requirements of this chapter shall be installed as provided in Chapter 150. The minimum service entrance for power installed in nonresidential buildings shall be capable of delivering 60 amperes of electric current from the power source. Sufficient circuits shall be installed to various parts of the building to prevent overloading and over-fusing.
   (B)    Plumbing.
      (1)    General. All plumbing and plumbing fixtures shall be maintained in a safe and usable condition as provided in Chapter 150.
      (2)    Water supply. All nonresidential structures having a water system shall be connected to the village water lines. Each separate structure shall have its own approved water line. All water supply systems in nonresidential buildings shall comply with the provisions of Chapter 150.
      (3)    Sewage and waste disposal. All sewage and other liquid waste shall be discharged to a lawful disposal system approved by the Building Inspector.
   (C)    Heating, ventilation, and air conditioning.
      (1)    Heating devices and installation shall be operated and maintained according to the requirements of Chapter 150. All gas burning unit heaters and water heaters installed in rooms or enclosed spaces within nonresidential buildings shall be vented to the outside air by means of a smoke pipe or flue.
      (2)    Supplied heating. Where persons are employed in duties and operations in an enclosed space or room within nonresidential buildings and not engaged in active physical activity, sufficient heat shall be provided in such spaces or rooms during the months of October, November, December, January, February, March, April, and the first 15 days of May of each year, to maintain a temperature of not less than 70° during normal working hours.
      (3)    Ventilation. Natural or artificial means of ventilation shall be provided to insure a comfortable and healthful atmosphere throughout the establishment.
      (4)    Exhaust vents. No person shall construct, maintain, or operate pipes, ducts, conductors, fans, or blowers discharging gases, steam, vapor, hot air, grease, smoke, odors, or other gaseous or particulate waste so as to discharge directly upon the property of another; however, such discharge shall be permitted into a public alley or public street provided the regulations promulgated by the Building Inspector are met.
      (5)    Air conditioning. These regulations shall apply to all air conditioners operated totally or in part on the exterior of premises. Any noise resulting from the operation of exterior air conditioners which radiates more than 100 feet from the air conditioners shall be deemed a nuisance. All exterior air conditioners which are installed and operated directly over a public sidewalk shall be equipped with proper devices for the prevention of condensation drainage upon the sidewalk. No window air conditioners installed over the public sidewalk within ten feet above grade shall extend more than 12 inches on or above such public sidewalk. In alleyways and thoroughfares, no window air conditioner shall extend more than 12 inches on or above such alleyway or thoroughfare with 14 feet above the grade. All air conditioners shall be maintained in a safe mechanical and electrical condition.