Section 341.18. Exemptions from periodic inspections.

 

(1)   Exempted equipment. Except as provided in sub. (2) , periodic inspections are not required for any of the following:

(a) Boilers or pressure vessels that receive regular inspections by United States government inspectors.

(b) Heating boilers located in dwelling units.

(c) Expansion tanks for hot-water heating boilers.

(d) Boilers used exclusively for agricultural purposes.

(e) Pressure vessels having an inside diameter not exceeding 6 inches with no limit on pressure.

(f) Pressure vessels having a volume of less than 5 cubic feet and an operating pressure of less than 250 psig.

(g) Pressure vessels with a volume of less than 1-1/2 cubic feet with no limit on pressure.

(h) Pressure vessels having an internal or external operating pressure of not more than 15 psig with no limitation on size.

(i) Hot-water supply boilers and water heaters, and hot-water storage tanks in which the temperature does not exceed 210 ° F.

(j) Vessels used for the storage or processing of cold water, including those with air cushions.

(k) Pressure vessels that are used in accordance with the regulations of the United States department of transportation.

(L) Air receivers having a volume of less than 90 gallons and a working pressure less than 200 psig as stamped on the manufacturer's nameplate.

(m) Pressure vessels used in processing and storing of fermented beverages at temperatures not exceeding 140 ° F.

(n) Any pressure vessel used as an integral part of an electrical circuit breaker.

(o) Installations at one- or 2-family dwellings.

(2)   Exceptions. In individual cases, the boilers and pressure vessels exempted in sub. (1) shall be subject to inspection by or on order of the department upon the complaint of any person or upon the initiative of the department when there is reasonable cause to suspect that the construction, installation, maintenance or operation of the vessel is not in keeping with the general purpose and intent of this chapter.

(3)   Exempted power boilers. A power boiler, excluding a chemical recovery boiler, with a rated steam output capacity of 100,000 pounds per hour or greater may be exempted from internal inspection each 12 months, but not to exceed 24 months, provided all the following conditions are met:

(a) A documented boiler maintenance program is available.

(b) A documented boiler water treatment program is available.

(c) The certified inspector has verified in writing to the department that the maintenance and treatment programs are adequate for the boiler.

(d) If the internal inspection is completed during the 12 to 24 month period, the boiler shall be subjected to an external inspection at 12 months.

Register, February, 1988, No. 386 , eff. 3-1-88; cr. (3), Register, June, 1996, No. 486 , eff. 7-1-96; am. (2) and (3) (c), Register, February, 2000, No. 530 , eff. 3-1-00; CR 05-025 : cr. (1) (n) Register October 2005 No. 598 , eff. 11-1-05; CR 08-028 : r. and recr. (1) Register November 2008 No. 635 , eff. 12-1-08; CR 11-047 : am. (1) (a) to (c), (i), (k), (o) Register May 2012 No. 677 , eff. 6-1-12.

Note

Ninety gallons equals 12.033 cubic feet. Microsoft Windows NT 6.1.7601 Service Pack 1