Ariz. Admin. Code § R20-5-409 - Notification and Preparation for Inspection

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.

Notes

Ariz. Admin. Code § R20-5-409

Repealed effective April 12, 1979 (Supp. 79-2).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, effective 12/7/2022.