Height modifications

506.1 - Roof structures permitted above maximum height.

• • A. The following roof structures are permitted above the maximum height as specified in this ordinance, provided that the total area of all such appurtenances is not more than one-third of the total roof area of the building:

    • (1) Structures for the housing of elevators and elevator shafts,

    • (2) Stairways,

    • (3) Fire or parapet walls,

    • (4) Skylights,

    • (5) Towers, and

    • (6) Steeples.

  • B. The following roof structures are permitted above the maximum height as specified in this ordinance, provided that the total area of all such appurtenances is not more than one-third of the total roof area of the building, and provided that such features shall be set back from the edge of the roof a minimum distance of one foot for every two feet by which they extend above the roof:

    • (1) Heating and air-conditioning equipment,

    • (2) Ventilating fans,

    • (3) Storage tanks for water,

    • (4) Television, radio or satellite dish antennas or masts,

    • (5) Chimneys or roof-mounted smokestacks,

    • (6) Roof-mounted flagpoles, and

    • (7) Similar equipment required to operate and maintain a building.

No such roof structure as set forth in this subsection B. shall exceed the maximum height for the zone in which it is located, except by the amounts allowed herein:

• • • (8) Buildings from one to six stories: Ten feet.

    • (9) Buildings exceeding six stories: Ten feet plus one foot per story above the sixth story to a maximum total of 20 feet.

  • C. Solar collectors are permitted above the maximum height as specified in this ordinance provided that they are set back three feet from the edge of the roof and there is a parapet wall on all sides of the roof.