The regulations concerning the area of lots, height of buildings, yard dimensions and similar requirements for each zone are set forth in the following charts. Unless otherwise provided in the section by which a use of building is specifically permitted, no building, dwelling or other structure shall be erected, altered or added to except in conformity with the requirements of said charts. Where the section permitting a building or use states a requirement inconsistent with said charts, such as certain sections permitting uses by special exception, said section shall control.