(a) Pipe for standpipe systems shall be wrought iron or steel, except that underground pipe may be of cast iron and except that other materials may be used when approved by the Board of Building Standards and Building Appeals. All piping of standpipe systems which may be subjected to pressure supplied by the Fire Division connections shall be designed for a working pressure of not less than one hundred (100) psi in excess of the static head of water due to the height of the standpipe.
(b) Every device, valve, fitting or hose used in connection with any required standpipe system shall be of a type approved by the Board. Devices, valves, fittings and hose of type tested and approved by the Underwriters’ Laboratories, Inc., or tested and approved by another recognized testing laboratory which possesses adequate equipment, experience and competency in this field, may be approved by the Board without additional tests.
(Ord. No. 991-49. Passed 6-27-49, eff. 6-27-49)