A.

Except as hereinafter otherwise provided:

1.

No building shall be erected and no existing building shall be moved, altered, added to or enlarged, nor shall any land, building, or premises be used, designated or intended to be used for any purpose, or in any manner other than is included among the uses hereinafter listed as permitted in the district in which such building, land, or premises is located.

2.

No building shall be erected, reconstructed or structurally altered to exceed in height the limit hereinafter designated for the districts in which such building is located.

3.

No building shall be erected, nor shall any existing building be altered, enlarged, or rebuilt, 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 district in which such building or open space is located.

4.

No yard or other open space provided about any building for the purpose of complying with provisions of this title shall be considered as providing a yard or open space for any other building, and no yard or other open space on one building site, shall be considered as providing a yard or open space for a building on any other building site.

B.

No governmental unit whether county, district, state or federal shall be exempt from the provisions of this title.