Section R20-5-417. Maintenance and Operation of Boilers, Hot Water Heaters and Direct Fired Jacketed Steam Kettles

A.      An owner or user of a boiler, hot water heater or direct fired jacketed steam kettle constructed under the ASME Code, Sec-

tions I, IV or VIII Division 1, incorporated by reference in R20-5-404(A) shall comply with the manufacturer’s mainte- nance and operation instructions for the boiler, hot water heater or direct fired jacketed steam kettle.

B.       In addition to the requirements of subsection (A), an owner or user of a boiler constructed under the ASME Code, Sections I, 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 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 or user shall:

a.        Check for proper ignition, and

b.        Check the flame failure detection system.

3.        On a monthly basis, the owner 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 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;

d.        Recalibrate all indicating and recording gauges; and

e.        Check steam and blowdown piping and valves.

5.        Annually, the owner or user shall:

a.        Replace vacuum tubes, scanners, or flame rods in the flame failure system according to the manufac- turer’s instructions;

b.        Check all coils and diaphragms; and

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

C.      An owner or user of a power boiler or high temperature boiler shall designate an individual who meets the requirements of subsection (D) to operate the boiler. An owner or user may operate the boiler if the owner or user meets the requirements of subsection (D).

D.      An operator 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.

Historical Note

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, effec- tive August 18, 2009 (Supp. 09-3).