R20-5-409
R20-5-409. Notification and Preparation for Inspection
Cite as Ariz. Admin. Code § R20-5-409
A. An Authorized Inspector shall perform a Certificate Inspection at a time mutually agreeable to the Authorized Inspector and the Owner, Operator, or User. B. Before an Authorized Inspector performs an Internal Inspection of a Boiler, an Owner, Operator, or User shall: 1. Cool the furnace and combustion chambers; 2. Drain the water from the Boiler; 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. Remove insulation or brickwork if necessary to determine the condition of the Boiler, headers, furnace, supports, and other parts; 5. Remove the pressure gauge for testing; 6. Prevent any leakage of steam or hot water into the boiler by disconnecting the involved pipe or valve; 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. Close, tag, and padlock the blowoff valves after draining the Boiler: and 9. Open all drains and vent lines.