Section 408.4057. Boiler inspection.

(1) Once a boiler has been inspected by the chief or deputy inspector and the boiler and its installation approved, all certificate inspections shall be conducted pursuant to the NBIC and these rules by an inspector who is properly licensed to inspect boilers in this state pursuant to all the following provisions:

(a)     A power boiler, process boiler, or high-pressure, high-temperature water boiler shall receive a certificate inspection annually and shall also be externally inspected annually, while under pressure, within 6 months from the date of the internal inspection.

(b)      A low-pressure steam or vapor heating boiler shall receive a certificate inspection biennially.

(c)     Hot water heating and hot water supply boilers shall receive a certificate inspection triennially, with an internal inspection at the discretion of the inspector.

(d)       A nonvaporizing, organic fluid boiler that is not exempt under these rules shall receive an external certificate inspection triennially.

(e)     A miniature hobby locomotive boiler shall receive a certificate inspection annually.

(f)    A grace period of 2 months beyond the periods specified in subdivisions (a) to (e) of this subrule may lapse between certificate inspections, and the board may permit longer periods between certificate inspections.

(g)     Internal inspection of cast boilers shall be at the discretion of the inspector.

(2)        The certificate inspection shall be an internal inspection if construction allows, otherwise the certificate inspection shall be as complete an inspection as possible unless specified otherwise under this rule.

(3)     The chief inspector, deputy inspector, or a special inspector provided for in the act shall make the inspections specified in this rule.

(4)     If, at the discretion of the inspector, a hydrostatic test is necessary, the boiler owner or user shall ensure that the test is performed in the presence of the inspector.

(5)     Certificate inspection reports submitted by electronic interface shall be in a format acceptable to the boiler division.

(6)     Certificate inspection reports submitted to the boiler division for data entry shall be assessed a fee of $2.00 per report.

History:  1979 AC; 1981 AACS; 1985 AACS; 1995 AACS;  1998-2000  AACS;  2002 AACS; 2006