Iowa Administrative Code

accordance with the terms of Iowa Code chapter 17A. 382.31(1) Consistent with Iowa Code section 17A.19(3), if a party does not file a timely application for rehearing, a judicial review petition must be filed with the district court within 30 days after the issuance of the board’…

commencement of a contested case proceeding. Delivery may be executed by regular mail. The notice shall be delivered to the appellant, the appellant’s attorney, if known, and the director. [ARC 8886C, IAB 2/19/25, effective 3/26/25; Editorial change: IAC Supplement 7/9/25]

and nature of the hearing and a brief statement of the matters asserted. It is the appellant’s burden on appeal to prove compliance with all applicable statutory provisions, administrative rules, and ASME code sections. The notice shall contain a reference to the applicable statu…

reconsideration will be considered preserved for appeal to the board. [ARC 8886C, IAB 2/19/25, effective 3/26/25; Editorial change: IAC Supplement 7/9/25]

board, the director shall within 30 days forward to the board and all parties of record to the appeal copies of the challenged inspection report, the appellant’s petition for reconsideration and all supporting documents, all other documents collected by the director in ruling on …

representation at the discretion and expense of that party. [ARC 8886C, IAB 2/19/25, effective 3/26/25; Editorial change: IAC Supplement 7/9/25]

382.9(1) The presiding officer in all contested cases is the board, a panel of board members, or an administrative law judge assigned by the department of inspections, appeals, and licensing. When board members act as presiding officer, they conduct the hearing and issue either a…

implementation of Iowa Code chapter 89. An object is not considered “under pressure” and is not within the scope of Iowa Code chapter 89 when there is clear evidence that the manufacturer did not intend it to be operated at more than 3 psi and the object is operating at 3 pounds …

390.10(1) Control and safety device reports. Documentation required by this subrule shall be kept on site and be available for inspection by the department or special inspectors. The owner or user shall mail a copy of the documentation required by this subrule to the department. …

codes, and publications adopted by reference in these rules are available for review in the office of the department, 6200 Park Avenue, Suite 100, Des Moines, Iowa. [ARC 8887C, IAB 2/19/25, effective 3/26/25; Editorial change: IAC Supplement 7/9/25]

jurisdiction of Iowa Code chapter 89 shall be provided to the director at least ten days before installation. Written notice is accomplished by completing and submitting to the director either: 1. The form designated by the director, or 2. The National Board’s Boiler Installation…

390.13(1) Certificate to operate. A certificate to operate a temporary object expires one year from the date of issuance or when the temporary object is disconnected. 390.13(2) Inspections. a. An internal inspection and hydrostatic test pursuant to the National Board Inspection C…

apply to the conversion of a power boiler to a low-pressure boiler. The owner shall comply with the requirements of subrule 390.15(1) for each conversion. In addition, the owner shall comply with the requirements of subrule 390.15(2) if the converted object will be located outsid…

of objects in Iowa. To the extent they do not conflict with the definitions contained in Iowa Code chapter 89, the definitions in this rule are applicable to the rules contained in 481—Chapters 390 through 395. “Active status” means an object is physically attached to the system …

Iowa Code chapter 89, the definitions in this rule are applicable to the rules contained in 481—Chapters 390 through 395. “Alteration” means a change in the object described on the original manufacturer’s data report that affects the pressure-retaining capability of the pressure-…

number. State inspectors and special inspectors shall assign identification numbers as directed by the department to all jurisdictional objects that lack numbers. Identification numbers shall be attached in plain view to the object using one of the following methods: 1. A yellow …

390.4(1) Preparation of objects. Each owner or user shall ensure that each object covered by Iowa Code chapter 89 is prepared for inspection pursuant to this rule. 390.4(2) Confined space and lockout, tagout procedures. a. If an object is a non-permit-required confined space or a…

390.5(1) General. All boilers and unfired steam pressure vessels covered by Iowa Code chapter 89 are inspected according to the requirements of the National Board Inspection Code (2021), which is hereby adopted by reference. A department inspector or special inspector must perfor…

390.6(1) Special inspector commission fee. A $55 fee shall be paid annually to the director to obtain a special inspector commission pursuant to Iowa Code section 89.7. 390.6(2) Certificate fee. A $40 fee shall be paid for each one-year certificate, an $80 fee shall be paid for e…

certificate to operate. A certificate to operate will not be issued until the boiler or pressure vessel is in compliance with the applicable rules and all fees have been paid. The current certificate to operate or a copy of the current certificate to operate shall be conspicuousl…

390.8(1) Definition of “reputable insurance company.” As used in this rule, “reputable insurance company” means a company recognized by the Iowa insurance division as a licensed insurer, a risk retention group, an alien surplus lines insurer, or a surplus lines insurer. 390.8(2) …

390.9(1) An entity that manufactures or repairs boilers, pressure vessels or related equipment may request quality reviews, surveys or audits from certifying organizations such as the ASME or the National Board. The department is authorized to conduct the quality reviews, surveys…

391.1(1) ASME boiler and pressure vessel codes adopted by reference. The ASME Boiler and Pressure Vessel Code (2021), including Code Cases, is adopted by reference. Regulated objects shall be designed and constructed in accordance with the ASME Boiler and Pressure Vessel Code (20…

391.10(1) Notice concerning other rules. The division and the Iowa department of public safety both enforce requirements concerning air and ventilation. Objects that are covered by both sets of rules must comply with both sets of rules. 391.10(2) Documentation. Documentation of c…

vents or a vent and overflow pipe to protect against a loose float plugging a single connection. [ARC 8894C, IAB 2/19/25, effective 3/26/25; Editorial change: IAC Supplement 7/9/25]

construction or installation code. [ARC 8894C, IAB 2/19/25, effective 3/26/25; Editorial change: IAC Supplement 7/9/25]

the unit including but not limited to the manufacturers’ data report, drawings, parts lists, installation manuals, and operating manuals shall be in English, and all measurements in U.S. customary units. All pressure gages, thermometers and other controls and safety devices shall…

objects shall be registered with the National Board. [ARC 8894C, IAB 2/19/25, effective 3/26/25; Editorial change: IAC Supplement 7/9/25]

utilized in a manner inconsistent with the stamp. [ARC 8894C, IAB 2/19/25, effective 3/26/25; Editorial change: IAC Supplement 7/9/25] These rules are intended to implement Iowa Code chapter 89. [Filed emergency 12/26/97 after Notice 11/19/97—published 1/14/98, effective 1/1/98] …

391.2(1) No person shall remove, disable or tamper with a required safety appliance except for the purpose of repair or inspection. 391.2(2) An object shall not be operated unless all required and installed safety appliances are properly functional and operational. [ARC 8894C, IA…

blowdown that is considered a hazard to life or property shall pass through blowoff equipment that will reduce pressure and temperature. The temperature of the water leaving the blowoff equipment shall not exceed 150 degrees F. If the local jurisdiction has a temperature limit of…

valves, blowoff pipes and other outlets shall comply with the following: 391.4(1) The discharge piping terminates at a safe point of discharge. 391.4(2) When the safety valve or temperature and pressure relief valve discharge is piped away from the object to a safe point of disch…

galvanic action shall not be used on objects covered by these rules. Dielectric fittings shall be used where dissimilar metals are joined. [ARC 8894C, IAB 2/19/25, effective 3/26/25; Editorial change: IAC Supplement 7/9/25]

unfired steam pressure vessel shall involve replacement of more than 50 percent of the OEM’s pressure- retaining boundary. [ARC 8894C, IAB 2/19/25, effective 3/26/25; Editorial change: IAC Supplement 7/9/25]

evaporators, superheaters, or reheaters. 391.7(1) General requirements. a. Leaky tubes are replaced or plugged. b. Tube plugs are made of a material that is compatible with the material of the boiler tube being plugged and shall be welded into place or manufactured to be expanded…

subrule 391.10(1). 391.8(1) Clearance requirements. a. This paragraph applies to objects installed after December 1, 2022. Minimum clearance on all sides of objects will be 36 inches, or the manufacturer’s recommended service clearances if they allow sufficient room for inspectio…

high consistent with applicable federal safety regulations. [ARC 8894C, IAB 2/19/25, effective 3/26/25; Editorial change: IAC Supplement 7/9/25]

installed on and after September 20, 2006. 481—Chapter 393 applies to miniature power boilers installed prior to September 20, 2006. [ARC 8888C, IAB 2/19/25, effective 3/26/25; Editorial change: IAC Supplement 7/9/25]

1, 1983. Each steam outlet from a boiler, except safety valve and water-column connections, will be fitted with a stop valve located as close as practicable to the boiler. When a stop valve is so located that water can accumulate, ample drains will be provided. The drainage will …

July 1, 1983. Each boiler will have a blowoff pipe fitted with valve or cock, in direct connection with the lowest water space practicable. 392.11(1) When the maximum allowable working pressure exceeds 125 psig, the blowoff pipe will be at least schedule 80 from the boiler to the…

covered by this chapter. [ARC 8888C, IAB 2/19/25, effective 3/26/25; Editorial change: IAC Supplement 7/9/25; Editorial change: IAC Supplement 7/9/25]

boilers installed prior to July 1, 1983. A boiler constructed with fusion-welded seams and not radiographed and stress relieved during construction shall not be operated at a pressure in excess of 15 pounds per square inch. Boilers with fusion-welded seams that are radiographed a…

mud drums. This rule applies to power boilers installed prior to July 1, 1983. 392.4(1) Tube boiler. The maximum allowable working pressure on a watertube boiler, the tubes of which are secured in cast iron or malleable iron headers or that have cast iron mud drums, will not exce…

diameter of the rivet holes in the longitudinal joints of a boiler is not known, the diameter and cross- sectional area of rivets, after driving, shall be selected from ASME Code, Section I (1971). [ARC 8888C, IAB 2/19/25, effective 3/26/25; Editorial change: IAC Supplement 7/9/2…

1983. 392.6(1) The use of weighted-lever safety valves or safety valves having either the seat or disk of cast iron is prohibited. All power boilers will have direct, springloaded, pop-type safety valves that conform to the construction or installation code. 392.6(2) Each boiler …

1983. 392.7(1) Each boiler will have a feed supply that will permit it to be fed at any time while under pressure. A boiler having more than 500 square feet of water-heating surface will have at least two means of feeding, one of which will be an approved feed pump, injector, or …

July 1, 1983. Outlet connections that allow the escape of an appreciable amount of steam or water will not be placed on the piping. However, this rule does not prohibit the installation of damper regulators, feed water regulators, low-water fuel cutouts, drains, or steam gages. T…

1983. Each boiler will have a pressure gage so located that the gage is readable. The pressure gage will be installed so that it will at all times indicate the pressure in the boiler. Each steam boiler will have the pressure gage connected to the steam space or to the water colum…

393.1(1) This chapter sets forth requirements in addition to those contained in 481—Chapter 392 for boilers that: a. Have a heating surface of 20 square feet or less; b. Have a gross volume of 5 cubic feet or less, excluding casing and insulation; c. Have an inside shell diameter…

power boiler shall be equal to at least the minimal requirements of the construction or installation code and shall be rated for not less than the maximum allowable working pressure of the miniature power boiler. In no case shall the rating be for less than 125 pounds. [ARC 8889C…