18-28-1010.2 Steam boiler gauges.

   Every steam boiler shall have a water-gauge glass and a pressure gauge. The pressure gauge scale shall be in accordance with the ASME Code and shall indicate the pressure up to 1 1/2 times the maximum allowable working pressure of the boiler, but not less than 30 psi.

18-28-1010.2.1 Water-gauge glass.

   The gauge glass shall be installed so that the midpoint is at the normal boiler water level. The lowest point of the gauge glass shall be a minimum of one inch above the lowest permissible water level recommended by the boiler manufacturer.

18-28-1011 Tests.

18-28-1011.1 Tests.

   Upon completion of the assembly and installation of boilers and pressure vessels, acceptance tests shall be conducted in accordance with the requirements of the ASME Boiler and Pressure Vessel Code. If field assembly of pressure vessels or boilers is required, a copy of the completed U-1 Manufacturers Data Report required by the ASME Boiler and Pressure Vessel Code shall be submitted to the Department of Buildings.

18-28-1011.2 Test gauges.

   An indicating test gauge shall be connected directly to the boiler or pressure vessel and located where it is visible to the operator throughout the duration of the test. The pressure gauge scale shall be graduated over a range of not less than one and one-half times the maximum test pressure and not greater than four times the maximum test pressure. All gauges utilized for testing shall be calibrated and certified by the test operator.

18-28-1012 Vessel Repair.

18-28-1012.1 Qualification.

   All pressure vessels covered by the building code must be repaired by an organization in possession of a valid “R” Certificate of Authorization issued by the National Board of Boiler and Pressure Vessel Inspectors.