Ariz. Admin. Code § R20-5-417 - Maintenance and Operation of Boilers, Lined Hot Water Heaters and Direct Fired Jacketed Steam Kettles

A. An Owner, Operator, or User of a Lined Boiler, Lined Hot Water Heater, or Direct Fired Jacketed Steam Kettle constructed under the ASME Code, Sections I, IV or VIII Division 1, incorporated by reference in R20-5-404(A) shall comply with the manufacturer's maintenance and operation instructions lined.

B. In addition to the requirements of subsection (A), an Owner, Operator, or User of a Boiler constructed under the ASME Code, Sections I, or IV shall comply with the following preventive maintenance schedule if the boiler contains the component or system listed.

1. On a daily basis, the Owner, Operator, or User shall:

a. Test the low-water fuel cutoff and alarm, and

b. Check the burner flame for proper combustion.

2. On a weekly basis, the Owner, Operator, or User shall:

a. Check for proper ignition, and

b. Check the flame failure detection system.

3. On a monthly basis, the Owner, Operator, or User shall:

a. Test all fan and air pressure interlocks,

b. Check the main burner safety shutoff valve,

c. Check the low fire start switch,

d. Test fuel pressure and temperature interlocks of oil-fired units, and

e. Test the high and low fuel pressure switch of gas-fired units.

4. Every six months, the Owner, Operator, or User shall:

a. Inspect burner components;

b. Check flame failure system components, such as vacuum tubes, amplifier and relays;

c. Check wiring of all interlocks and shutoff valves; and

d. Recalibrate all indicating and recording gauges; and

e. d. Check steam and blowdown piping and valves.

5. Annually, the Owner, Operator, or User shall:

a. Replace vacuum tubes, scanners, or flame rods in the flame failure system according to the manufacturer's instructions;

b. Check all coils and diaphragms; and

c. Test operating parts of all safety shutoff and control valves.

d. Unless there is other information to assess their accuracy or reliability, all pressure gages shall be removed, tested, and their readings compared to the readings of a calibrated standard test gage or a dead weight tester.

C. An Owner, Operator, or User of a Power Boiler or High Temperature Water Boiler shall designate an individual who meets the requirements of subsection (D) to operate the Boiler. An Owner, Operator, or User may operate the Boiler if the Owner, Operator, or User meets the requirements of subsection (D).

D. An Operator or User of a Power Boiler or High Temperature Water Boiler shall meet the following minimum requirements:

1. Knowledge of and an ability to explain the function and operation of all safety controls of the Boiler,

2. Ability to start the Boiler in a safe manner,

3. Knowledge of all safe methods of feeding water to the Boiler,

4. Knowledge of and the ability to blow down the Boiler in a safe manner,

5. Knowledge of safety procedures to follow if water exceeds or drops below permissible safety levels, and

6. Knowledge of and the ability to safely shut down the Boiler.

Notes

Ariz. Admin. Code § R20-5-417

Repealed effective April 12, 1979 (Supp. 79-2). New Section adopted effective April 9, 1992 (Supp. 92-2). R20-5-417 recodified from R4-13-417 (Supp. 95-1). Amended effective October 9, 1998 (Supp. 98-4). Amended by final rulemaking at 15 A.A.R. 1496, effective August 18, 2009 (Supp. 09-3). Amended by final rulemaking at 28 A.A.R. 3952, effective 12/7/2022.