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It shall be the duty of the department of buildings upon any application in writing made by any person owning, leasing or controlling the use of any boiler or unfired pressure vessel stating that the same is out of repair or has been repaired, to examine the same when so repaired; and it shall be unlawful for any person to use any boiler or unfired pressure vessel after the same has been repaired until a certificate shall have been procured from the department of buildings to the effect that such repairing has been properly done and that such boiler or unfired pressure vessel may be safely used.
No repair shall be made on a high pressure boiler until the department has examined the apparatus and issued a permit for the work to be done with the exception of minor emergency repairs that do not involve the safety of the apparatus; provided that the department of buildings shall be notified within 24 hours that such emergency repairs are made.
All repairs must be made in accordance with the applicable chapter of the National Board of Inspectional Code issued by the National Board of Boiler and Pressure Vessels Inspectors, dated 1977 or later, except where such chapters conflict with these rules.
All repairs involving the safety of a high pressure boiler shall be of construction in accordance with Section 1 of the ASME Code covering the particular kind of boiler or kind of work to be done.
Note: It is the sense of this requirement that apparatus shall be the same construction after repair is made as it was before the repair was necessary with the exception that construction can be made in accordance with the existing ASME Code.
Repair work on low pressure boilers in general shall be guided by the Rules 11.01 and 11.02 and Section 4 of the ASME Code.
All repairs involving the safety of an unfired pressure vessel shall be of construction in accordance with the Section VIII, Divisions 1 and 2 of the ASME Code.
All high pressure boilers which have reached the age of 50 years must be subject to a full internal and external inspection of rivets, welds, butt straps, shell and/or drums. The procedure for this type of inspection will be spelled out by the department. Findings of such test will determine the allowable working pressure of the boiler at the time of said inspection. Any person engaged in or desiring to engage in the work of repairing, erecting steam boilers, steam kettles, pressure tanks, super heaters or generators or any part attached to a boiler in the City of Chicago shall obtain a license from the department of buildings to do such repair work and/or erection of the apparatus.
(Prior code § 17-2A.8; Amend Coun. J. 9-13-89, p. 4604)