No building or part thereof or other structure shall be erected, altered, added to or enlarged, nor shall any land, building structure or premises be used, designated or intended to be used for any purpose, or in any manner other than as included among the uses listed in this chapter as permitted in the zone in which buildings, land or premises are located.

No building or part thereof or structure shall be erected, reconstructed, or structurally altered to exceed in height the limit designated in this chapter for the zone in which the building is located.

No building or part thereof or other structure shall be erected, nor shall any existing building be altered, enlarged, rebuilt, or moved into any zone, nor shall any open space be encroached upon or reduced in any manner, except in conformity to the yard, building site area, and building location regulations hereinafter designated for the zone in which such building or open space is located.

No yard or other open space, off-street parking space, garage space, or loading space provided about any building for the purpose of complying with the provisions of this chapter shall be considered as a yard or open space, off-street parking space, garage space, or loading space for any other building, except as otherwise provided in this chapter.