1. The provisions of this chapter shall not apply to the following boilers:
a. Boilers of railway locomotives subject to federal inspection.
b. Boilers operated and regularly inspected by railway companies operating in interstate commerce.
c. Boilers under the jurisdiction and subject to inspection by the United States government.
d. Steam heating boilers and unfired steam pressure vessels associated therewith and mobile power boilers used exclusively for agricultural purposes.
e. Heating boilers in residences.
f. Fire engine boilers brought into the state for temporary use in times of emergency.
g. Low pressure heating boilers used in buildings other than those for public assembly.
h. Hot water heating boilers used for heating pools or spas where burner input is no greater than eighteen thousand seven hundred seventy-two British thermal units per hour.
2. Unfired steam pressure vessels not exceeding the following limitations are not required to be reported to the commissioner and shall be exempt from regular inspection under provisions of this chapter:
a. A vessel not greater than five cubic feet in volume and not having a pressure greater than two hundred fifty pounds per square inch.
b. A vessel not greater than one and one-half cubic feet in volume with no limit on pressure.
3. Internal inspections shall not be required on unfired steam pressure vessels where they have been manufactured without inspection plate and where it would be necessary for them to be drilled in order to be inspected. The existence of such unfired pressure vessels shall be reported to the commissioner, and certified by the commissioner that the unfired pressure vessel is in a satisfactory condition for the purpose for which it is used.
[C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, § 89.3; C79, 81, § 89.4]
92 Acts, ch 1098, § 4
Iowa General Assembly
Search: Iowa Code 1997
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