Chapter 4, Ventilation Air Supply, is hereby amended by adding the following section:

407.0 Outside Air Location. Outside air shall be obtained from an approved location exterior to the building. Outside air shall not be obtained from the following locations:

1. Closer than ten (10) feet (3048 mm) from a vent serving fuel-burning equipment.

Exception: Listed outdoor appliance equipped with outdoor air inlet and appliance vent.

2. Closer than ten (10) feet (3048 mm) from a plumbing drainage system vent or from an exhaust system outlet, unless the outlet is three (3) feet (914 mm) above the outside air inlet.

3. Where it will pick up objectionable odors, fumes or flammable vapors; or when it is less than ten (10) feet (3048 mm) above the surface of any abutting public way or driveway; or when it is in a horizontal position in a sidewalk, street, alley or driveway.

4. A hazardous location.

5. An unsanitary location.