No building shall hereafter be erected, reconstructed, altered or enlarged, nor shall any building or land be used for any purpose other than is permitted in the district in which such building or land is located.

No building shall hereafter be erected, reconstructed, altered or enlarged to exceed the height or bulk limit herein established for the district in which such building is located, nor shall any building be erected, reconstructed or altered so as to provide a floor space smaller than the minimum prescribed by this ordinance.

No lot area shall be so reduced or diminished that the yards or other open spaces shall be smaller than prescribed by this ordinance, nor shall the density of population be increased in any manner except in conformity with the area regulations herein established.

Every building hereafter erected shall be located on a lot as herein defined, and in no case shall there be more than one building on one lot, except as herein provided.

On a corner lot in any district, nothing shall be erected, placed, planted or allowed to grow in such a manner as materially to impede vision between a height of two and one-half feet (2-1/2') and ten feet (10') above the centerline grades of the intersecting streets in the area bounded by the street lines of such corner lots and a line joining points along said street lines thirty-five feet (35') from the point of intersection.

No accessory building shall be erected in any required yard, and no separate accessory building shall be erected within five feet (5') of any other building.

In any district, more than one structure housing is permitted or permissible principal use may be erected on a single lot, provided that yard and other requirements of this ordinance shall be met for each structure as though it were on an individual lot.

The height limitations contained in the Schedule of District Regulations do not apply to spires, belfries, cupolas, antennae, water tanks, ventilators, chimneys or other appurtenances usually required to be placed above the roof level and not intended for human occupancy.

Every building hereafter erected or moved shall be on a lot adjacent to a public street, or with access to any approved private street, and all structures shall be so located on lots as to provide safe and convenient access for servicing, fire protection and required off-street parking.