(1)The Chief Officer of a Municipality may subject to the prior approval or the Municipality give public notice of his intention to declare, -(a)That is any street or portion thereof specified in such notice, the elevation and construction the frontage of all buildings or any classes of buildings erected or re-erected after such notice shall, in respect of their architectural features be such as the Municipality may consider suitable to the locality; or(b)That in any locality specified in such notice, there shall be allowed the erection of only detached or semi-detached building or both and that the land appurtenant to each such building, shall be of an area not less than that specified in such notice; or(c)That the minimum size of building plots in particular localities shall be of a specified area; or(d)That in any locality specified in the notice, the construction of more than a specified number of buildings on each acre of land shall not be allowed; or(e)That in any streets, portions of streets or localities specified in such notice, the construction of any one or more of the different classes of buildings (such as residential, educational, institutional, assembly, business, mercantile, industrial, storage and hazardous buildings), shall not be allowed without the special permission of the Municipality.