Code Cases
In the event of an urgent need for alternative rules concerning materials, construction, or in-service inspection activities not covered by existing Boiler and Pressure Vessel Code (BPVC) rules, or need for early implementation of an approved code revision, ASME may issue a code case. Code cases are effective immediately upon ASME approval and do not expire.
Requests for Code Cases
Requests for code cases shall include a Statement of Need and Background Information. Requests must describe the urgency and confirm that the request is in connection with equipment that will be ASME stamped, with the exception of Section IX applications.
Proposed code cases shall identify the applicable BPVC section and division, and be written as a Question and a Reply in the same format as existing code cases.
Proposed code cases should also indicate the applicable BPVC editions and addenda.
Requests for code cases shall be submitted as noted in the Submittal of Technical Inquiries to the Boiler and Pressure Vessel Standards Committees section within each of the BPVC publications.
Availability of Approved Code Cases
Approved code cases are published in two categories: Boiler and Pressure Vessels (CC-BPV) and Nuclear (CC-NUC). Purchase of either compilation of current approved code cases ( CC-BPV or CC-NUC ) includes a subscription to the corresponding supplements containing new and revised code cases issued during the associated two-year edition cycle (seven supplements in total).
2023 Code Case Supplement Schedule:
| Supplement (BPV and NC) |
Approximate Issuance Date |
| 1 | 9/29/2023 |
| 2 | 11/10/2023 |
| 3 | 1/5/2024 |
| 4 | 3/26/2024 |
| 5 | 6/28/2024 |
| 6 | 9/30/2024 |
| 7 | 12/13/2024 |
Current approved code cases are also available in compilations aligned to the following specific sections of the BPVC: Section I, "Power Boilers" ; Section IV, "Heating Boilers" ; Section VIII, Divisions 1, 2, and 3 "Pressure Vessels" ; Section III, Divisions 1, 2, 3, and 5 "Construction of Nuclear Facility Components" ; and Section XI, Divisions 1 and 2 "Rules for Inservice Inspection of Nuclear Power Plant Components" . Purchase of these single-section compilations does not include a subscription to supplements.
BPVC Code Case Database
The current list of Code Cases may be found through the BPVC Code Case Search Form.
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