The changes add to Subsection R616-2-8(A): 1) Boiler inspection frequency shall be as per Section 34A-7-103; 2) Pressure Vessel Inspection frequency shall be as follows: a) Heat exchangers that operate from high pressure steam or high temperature water plants shall be inspected every twenty-four months; b) autoclaves that operate above 15 psi steam pressure shall be inspected every twenty-four (24) months; and c) all other pressure vessels which fall under the jurisdiction of the Division of Boiler, Elevator and Coal Mine Safety (Division) shall be inspected every forty-eight (48) months. The changes also add to Subsection R616-2-8(J): 1) Pressure vessels located above ground shall be given a certificate inspection, preferably while in operation, at least every 5 years (60 months) or at the same interval as the required internal inspection, whichever is less.