Weld Overlay is a repair to a weld with a defect by adding more weld material.
Weld Overlay Repair
ASME code cases have been conditionally approved by the NRC in Regulatory Guide 1.147. As a condition to using Code Case N-504-4 in Regulatory Guide 1.147, the provisions of Appendix Q of ASME Section XI.
Full Structural Weld Overlay
Full Structural Weld Overlay (FSWOL) describes a "bigger" weld overlay then a partial weld overlay.
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| ML26064A216 | 4 March 2026 | Palo Verde | License Amendment Request to Modify Required Actions for Reactor Coolant System (RCS) Leak Detection Instrumentation | | ML25182A125 | 28 February 2026 | | ASME Rule - Unofficial Redline Proposed Rule Language | | PNP 2026-009, Response to Request for Additional Information for Revised Relief Request RR 5-9, Proposed Alternative to ASME Section XI Code Requirements for Modification of Reactor Pressure Vessel Closure Head, Control Rod Drive Mechanisms and Incor | 27 February 2026 | Palisades | Response to Request for Additional Information for Revised Relief Request RR 5-9, Proposed Alternative to ASME Section XI Code Requirements for Modification of Reactor Pressure Vessel Closure Head, Control Rod Drive Mechanisms and Incore.. | | ML26044A156 | 25 February 2026 | Hatch | Aging Management Audit Report - Edwin I. Hatch, Units 1 and 2 - Subsequent License Renewal Application | | ML25182A115 | 10 February 2026 | | Approval of the 2023 Edition of the American Society of Mechanical Engineers Boiler and Pressure Vessel Code and Code Cases, Revision 41 Proposed Rule Federal Register Notice | | ML26035A297 | 9 February 2026 | Palisades | Authorization and Safety Evaluation for Alternative Request RR 5-11 | | ML26022A335 | 22 January 2026 | Grand Gulf
Arkansas Nuclear
River Bend
Waterford | Request for Exemption from the Requirements of 10 CFR 50.55a(g)(4)(ii) | | ML26022A348 | 22 January 2026 | 05000614 | San Antonio Bay Estuarine Waterkeepers Motion for Leave to File Out of Time | | PNP 2026-003, Revised Relief Request Number RR 5-9, Proposed Alternative Section XI Code Requirement for Modification of Reactor Pressure Vessel Closure Head, Control Rod Drive Mechanisms and Incore Instrmentation Penetrations | 16 January 2026 | Palisades | Revised Relief Request Number RR 5-9, Proposed Alternative Section XI Code Requirement for Modification of Reactor Pressure Vessel Closure Head, Control Rod Drive Mechanisms and Incore Instrmentation Penetrations | | ML25317A782 | 14 January 2026 | Wolf Creek | Issuance of Amendment No. 246 to Implement GSI-191 |
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