Adopted and Filed

ASME code cases for regulated objects—adoption by reference, 91.1(2)

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ARC 4303C


Adopted and Filed

Rule making related to regulated objects

The Boiler and Pressure Vessel Board hereby amends Chapter 91, "General Requirements for All Objects," Iowa Administrative Code.

Legal Authority for Rule Making

This rule making is adopted under the authority provided in Iowa Code section 89.14.

State or Federal Law Implemented

This rule making implements, in whole or in part, Iowa Code chapter 89.

Purpose and Summary

This amendment adopts by reference four code cases of the American Society of Mechanical Engineers. The amendment is the result of a petition for rule making filed by an equipment manufacturer. Adoption of the code cases will revise restrictions for construction materials and welding on certain boilers. Code Case 2668-1 authorizes the use of specific materials for seamless and welded ferritic stainless steel tubing in Section IV hot water heating boilers with specified conditions. Code Case 2764-1 sets forth conditions for specific materials previously allowed only in applications with 80 psi or less to be used in applications up to 160 psi. Code Case 2760 establishes certain conditions for the use of the laser beam welding process for welding tubes to tubesheets. Code Case 2869 establishes certain conditions for the use of stainless steel material with a minimum thickness of 0.0157 inches for the construction of Section IV hot water heating boilers.

Public Comment and Changes to Rule Making

Notice of Intended Action for this rule making was published in the Iowa Administrative Bulletin on December 19, 2018, as ARC 4179C. No public comments were received. No changes from the Notice have been made.

Adoption of Rule Making

This rule making was adopted by the Board on January 24, 2019.

Fiscal Impact

This rule making has no fiscal impact to the State of Iowa.

Jobs Impact

After analysis and review of this rule making, no impact on jobs has been found.


Any person who believes that the application of the discretionary provisions of this rule making would result in hardship or injustice to that person may petition the Board for a waiver of the discretionary provisions, if any, pursuant to 875—Chapter 81.

Review by Administrative Rules Review Committee

The Administrative Rules Review Committee, a bipartisan legislative committee which oversees rule making by executive branch agencies, may, on its own motion or on written request by any individual or group, review this rule making at its regular monthly meeting or at a special meeting. The Committee's meetings are open to the public, and interested persons may be heard as provided in Iowa Code section 17A.8(6).

Effective Date

This rule making will become effective on March 20, 2019.

The following rule-making action is adopted:

Adopt the following new subrule 91.1(2):

91.1(2) ASME code cases. If the manufacturer of an object listed ASME Code Case 2668-1, 2760, 2764-1, or 2869 on the manufacturer's data report for the object and the object is otherwise in compliance with all applicable provisions, the object is in compliance with these rules.

[Filed 1/24/19, effective 3/20/19]

[Published 2/13/19]

Editor's Note: For replacement pages for IAC, see IAC Supplement 2/13/19.

Labor Services Division

This Organization is a part of the Workforce Development Department

Official Document

  • ASME code cases for regulated objects—adoption by reference, 91.1(2)
  • Published on 2/13/2019
  • Adopted and Filed

The official published PDF of this document is available from the Iowa General Assembly’s Administrative Rules page.

View Official PDF

View the Iowa Administrative Bulletin for 2/13/2019.

View Bulletin

Related Notices

Administrative Rule References

The following administrative rule references were added to this document. You may click a reference to view related notices.

Rule 875-91.1(2)


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ASME code cases
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