Section 041-13-5 - Periodic Inspections of Low Pressure BoilersA.Inspection Methods and Frequency. Before the initial inspection certificate expires, and annually thereafter, all low pressure boilers in the State must be inspected as follows:(1) An Inspector must perform 1 annual certificate inspection, which must be an external inspection conducted while the boiler is in operation; and(2) When construction permits, an Inspector must perform an internal inspection every third year.B.Report. An Inspector must submit to the Board a report of each inspection performed pursuant to Paragraph A on a form approved by the Board.02-041 C.M.R. ch. 13, § 5