1. A. An Authorized Inspector shall perform a Certificate Inspection at a time mutually agreeable to the Authorized Inspector and the Owner, Operator, or User.

2. B. Before an Authorized Inspector performs an Internal Inspection of a Boiler, an Owner, Operator, or User shall:

   1. 1. Cool the furnace and combustion chambers;
   2. 2. Drain the water from the Boiler;
   3. 3. Remove the manhole and handhole plates, wash-out plugs, inspection plugs in water column connections, and disassemble all low-water fuel cutoff float chambers or bowls;
   4. 4. Remove insulation or brickwork if necessary to determine the condition of the Boiler, headers, furnace, supports, and other parts;
   5. 5. Remove the pressure gauge for testing;
   6. 6. Prevent any leakage of steam or hot water into the boiler by disconnecting the involved pipe or valve;
   7. 7. Close, tag, and padlock the non-return and steam stop valves before opening the manhole or handhole covers and entering any part of the steam generating unit that is connected to a common header with other Boilers. Open the free blow drain or cock between the non-return and steam stop valves;
   8. 8. Close, tag, and padlock the blowoff valves after draining the Boiler: and
   9. 9. Open all drains and vent lines.

Historical Note

Repealed effective April 12, 1979 (Supp. 79-2). New Section adopted effective April 9, 1992 (Supp. 92-2). R20-5-409 recodified from R4-13-409 (Supp. 95-1). Amended effective October 9, 1998 (Supp. 98-4). Amended by final rulemaking at 28 A.A.R. 3952 (December 30, 2022), with an immediate effective date of December 7, 2022 (Supp. 22-4).