Every steel floor beam, in any building hereafter erected or altered, used for any business purpose, shall be capable of sustaining a live load, concentrated at its center, of at least four thousand pounds.
53 P.S. § 15153
Every steel floor beam, in any building hereafter erected or altered, used for any business purpose, shall be capable of sustaining a live load, concentrated at its center, of at least four thousand pounds.
53 P.S. § 15153