ML23013A344: Difference between revisions

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{{#Wiki_filter:Holtec Letter 5014956 Attachment 6 Design Features 3.0 Table 3-1 List of ASME Code Alternatives for HI-STORM Multi-Purpose Canisters (MPCs)
{{#Wiki_filter:Design Features 3.0
MPC Closure       NB-5230   Radiographic (RT) or         Root (if more than one weld pass is required)
 
Ring, Vent and               ultrasonic (UT) examination and final liquid penetrant examination to be Drain Cover                 required.                   performed in accordance with NB-5245. The Plate Welds                                               closure ring provides independent redundant closure for vent and drain cover plates. Vent and drain port cover plate welds are helium leakage tested. As an alternative, the helium leakage test does not have to be performed if the REDUNDANT PORT COVER DESIGN is used..
Table 3-1 List of ASME Code Alternatives for HI-STORM Multi-Purpose Canisters (MPCs)
MPC Lid to       NB-5230   Radiographic (RT) or
 
MPC Closure NB-5230 Radiographic (RT) or Root (if more than one weld pass is required)
Ring, Vent and ultrasonic (UT) examination and final liquid penetrant examination to be Drain Cover required. performed in accordance with NB-5245. The Plate Welds closure ring provides independent redundant closure for vent and drain cover plates. Vent and drain port cover plate welds are helium leakage tested. As an alternative, the helium leakage test does not have to be performed if the REDUNDANT PORT COVER DESIGN is used..
MPC Lid to NB-5230 Radiographic (RT) or
* Only progressive liquid penetrant (PT)
* Only progressive liquid penetrant (PT)
Shell Weld                   ultrasonic (UT) examination           examination is permitted. PT required.                             examination will include the root and final weld layers and each approx. 3/8" of weld depth.
Shell Weld ultrasonic (UT) examination examination is permitted. PT required. examination will include the root and final weld layers and each approx. 3/8" of weld depth.
Certificate of Compliance No. 1014                                                   Amendment No. 15 Appendix D                                       3-6 1 of 1}}
 
Certificate of Compliance No. 1014 Amendment No. 15 Appendix D 3-6}}

Latest revision as of 11:42, 15 November 2024

Attachment 6 - HI-STORM 100 Amendment 16 Certificate of Compliance Appendix D, Changed Pages (Non-Proprietary)
ML23013A344
Person / Time
Site: Holtec
Issue date: 01/13/2023
From:
Holtec
To:
Office of Nuclear Material Safety and Safeguards
Shared Package
ML23013A337 List:
References
5014956, EPID L-2021-LLA-0039
Download: ML23013A344 (1)
v • d • e


Text

Design Features 3.0

Table 3-1 List of ASME Code Alternatives for HI-STORM Multi-Purpose Canisters (MPCs)

MPC Closure NB-5230 Radiographic (RT) or Root (if more than one weld pass is required)

Ring, Vent and ultrasonic (UT) examination and final liquid penetrant examination to be Drain Cover required. performed in accordance with NB-5245. The Plate Welds closure ring provides independent redundant closure for vent and drain cover plates. Vent and drain port cover plate welds are helium leakage tested. As an alternative, the helium leakage test does not have to be performed if the REDUNDANT PORT COVER DESIGN is used..

MPC Lid to NB-5230 Radiographic (RT) or

Shell Weld ultrasonic (UT) examination examination is permitted. PT required. examination will include the root and final weld layers and each approx. 3/8" of weld depth.

Certificate of Compliance No. 1014 Amendment No. 15 Appendix D 3-6

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