Plats. No construction of any building, dwelling or structure shall be commenced before an application for a building permit under this chapter shall be made to the Construction Official. The application shall be accompanied by a plat or plan of the site, in duplicate, drawn to scale, showing the following: the dimensions of the lot to be built upon, the location of and accurate dimension of the proposed building and all existing structures of the site, the intended use of the proposed building and all existing structures, the number of stories in the building, the number of families the building is designed to accommodate, dimensions of yards, the established building lines within the block, proposed improvements to the lot, such as sidewalks and curbs, existing road and lot elevation, proposed finished floor elevation of the lowest floor, the proposed location of water and sewer services and such other information as may be required by the office of the Construction Official to provide for the enforcement of this chapter.