new, and whether such building be an addition to any building already erected or which may hereafter be erected, shall be subject to the control and supervision of the City Council for the purposes of these regulations, and shall be erected, added to, altered, renewed, or repaired in accordance with the following provisions:—

5. Before beginning to erect any building, or to alter, add to, or renew any building already erected, or to execute any other work placed under the control and supervision of the City Council for the purposes of these regulations, the owner shall submit to the City Council the plans and specifications of the proposed work for their inspection, and shall give such further particulars to the City Council as they may require, and no work placed under the control and supervision of the City Council for the purposes of these regulations shall be commenced until the Surveyor shall have given to the owner a certificate that the plans and specifications, and proposed construction thereof, are not at variance with these regulations.

6. The Surveyor may at any time give notice in writing to any person building or about to build, or causing to be built, any building affected by these regulations, that such building or part thereof as may be specified in such notice, is or will be contrary to these regulations or otherwise by reason of the construction, workmanship, or material thereof, dangerous to life or property; but no new building shall be deemed to be a new building within the meaning of these regulations where the same shall be erected at a distance at the front thereof of not less than twenty feet from any street frontage or frontages, and shall not be nearer than thirty feet from any building subject to these regulations, or the ground of an adjoining owner, provided the same shall have the whole of the roof covered with galvanized iron, or other incombustible material.

Non-combustible Roofs.

7. It shall not be lawful to cover the exterior of the roof, flat gutter, or gutters of any building, or of any erection on the roof or flat of any building hereafter to be erected, with boarding, shingles, or other combustible material, and no person shall renew the covering of all or any part of the exterior of any roof, flat, gutter, or gutters of any building, or of any erection on the roof or flat of any building otherwise than with slates, tiles, metal, or other incombustible material, notwithstanding such roof, flat, gutter, or erection, or any part thereof, may have been covered with a combustible material at the time of the coming into operation of these regulations.

Chimneys.

8. All chimney furnaces and fireplaces hereafter constructed shall be constructed of brick, stone, or cement concrete, and the chimneys shall be carried up not less than three feet above the highest adjoining ridge.

9. It shall not be lawful to erect any smokepipe or funnel leading into the outer air, composed either of metal or of any combustible material, unless special permission be granted by the City Council, the City Council hereby reserving the power of granting such permission upon such terms as they may deem to be necessary in each case.

10. The jambs of every chimney must not be less than eight and a half inches wide on each side of such opening; the breast of every chimney, and the front, back, width, or partition of every flue must be at the least four inches in thickness of brick, and the joints of the work must be filled in with mortar or cement, and all the inside thereof, and also the outsides or faces thereof, must be pargetted and rendered, and no flue must be used as a smoke flue which is of less internal diameter in any section than eight and a half inches.

11. No timber must be placed over any opening for supporting the breast of any chimney, but there must be an arch of brick or stone, or cement concrete, over the opening of every such chimney to support the breast thereof, and unless the arch be semicircular, an iron bar or bars must be built into the jambs at the least nine inches on each side to tie the abutments, and no timber or woodwork must be placed or laid under any chimney opening, or in any wall under any chimney opening, within eighteen inches at the least of the surface of the hearth to the fireplace of such chimney opening, and no timber or woodwork must be nearer than one inch to the opening of any chimney; neither shall it be lawful to build or insert the ends of any joists, rafters, beams, or other timbers whatsoever in any part of any chimney or flue.

12. The back of every chimney opening in any building must be at the least 8½ inches thick. The front and back hearths of every chimney must be laid and bedded wholly on brick, stone, or cement, concrete, or other incombustible materials, which must be solid for a depth of eight inches at the least below the surface of the hearth. All front hearths must extend nine inches at the least on each side of the chimney opening, and be not less than fifteen inches wide.

13. Every chimney and chimney stack must be built wholly of stone or brick, with mortar, or cement, or of Portland cement, concrete, and every such chimney and chimney stack must be built...