(a) Every building hereafter erected or altered that is more than one story in height shall have at least one stairway leading to an exterior exit not less than two feet, ten inches, in width.
(b) All buildings, other than private houses or private garages more than two stories in height, shall have the main stairway at least four feet in width.
(c) All stairways in buildings of the first and second classes, except in private houses, shall be enclosed with fireproof partitions, and all such stairways shall be plastered on the underside with metal or wire lath and cement plaster or other approved fireproof material unless iron or standard fire-tower stairs of wood are used.
(d) In every multiple-dwelling hereafter erected or altered, there shall be access to the main stairway and a stairway from every apartment without passing through any other apartment.
(e) All stairways in multiple-family houses over two stories high shall be at least four feet in width, if used by not more than six or less than eight families; four feet, six inches, if used by eight families; five feet if used by ten or more families.
(f) As used in this section, "fire-tower stairs" means a stairway enclosed in fireproof walls, with proper means of entrance and exit, opening to the outside air or a fireproof roof, etc., as required by Commonwealth law.
(Ord. 288. Passed 5-24-54.)