9-1-6: BUILDING HEIGHT, BULK AND LOT COVERAGE:
   (A)   No building shall be erected, reconstructed, relocated or structurally altered so as to have a greater height or bulk, a higher percentage of lot coverage or smaller open space about it than permissible under the limitations set forth herein for the district in which such building is located; except, that parapet walls, chimneys, cooling towers, elevator bulkheads, fire towers, stacks, stage towers or scenery lofts, and necessary mechanical appurtenances shall be permitted to exceed the maximum height provision when erected in accordance with all other regulations of the city.
   (B)   No space allocated to a building or dwelling group for the purpose of complying with the side, rear or front yard, or court, or other open space, or lot area requirements of this title shall thereafter by reason of change in ownership or for any other reason, be used to satisfy the yard, court, open space or lot area requirements of any other building or dwelling group.
   (C)   An open terrace may occupy a front yard, provided the unoccupied portion of the front yard has a depth of not less than fifteen feet (15'). A one story bay window may project into a front yard not more than three feet (3').
   (D)   No usable open space or off street parking space or loading space existing or provided hereafter for any building shall be reduced below the minimum requirements hereinafter set forth for such usable open space, parking space or loading space, nor further reduced if already less than said minimum requirements. (Ord. 233, 7-3-1978)