Multi-Canister overpack ultrasonic examination of closure weld Page: 2 of 8
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HNF-3293, Rev. 0
Multi-Canister Overpack Ultrasonic Examination of
Closure Weld
K. E. Smith
DE&S Hanford, Inc., Richland, WA 99352
U.S. Department of Energy Contract DE-AC06-96RL13200
EDT/ECN: 625779 UC: 600
Org Code: 2T340 Charge Code: 105532/AA30
B&R Code: EW7040000 Total Pages: 5
Key Words: MCO, Spent Fuel, NDE, Packaging, Container, Issue,
Ultrasonic, Weld Examination
Abstract: The method used for non-destructive examination of the
closure weld must provide adequate assurance that the weld is
structurally sound for the pressure and lifting loads to be imposed, and
must be consistent with NRC equivalency requirements established for the
SNF Project. Given the large flaw size that would need to exist before
the structural integrity of the weld is challenged, liquid penetrant
testing of the root and final passes provides adequate assurance of weld
quality to meet structural loads. In addition, the helium leak test
provides confirmation that the containment boundary is intact and
leaktight. While UT examination does provide additional evidence of
weld integrity, the value of that additional evidence for this
particular application does not justify performing UT examination, given
the additional financial and ALARA costs associated with performing the
examination.
TRADEMARK DISCLAIMER. Reference herein to any specific comnerciat product, process, or service by
trade name, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its
endorsement, recommendation, or favoring by the United States Government or any agency thereof or
its contractors or subcontractors.
Printed in the United States of America. To obtain copies of this document, contact: Docunent
Control Services, P.O. Box 950, Mailstop R6-08, Richland WA 99352, Phone (509) 372-2420;
Fax (509) 376-4989.
DATE: f D:
STA: C~ C;
NOV 03
Re ase Approval bate
Approved for Public ReleaseA-6400-073 (01/97) GEF321
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Smith, K. E. Multi-Canister overpack ultrasonic examination of closure weld, report, November 3, 1998; United States. (https://digital.library.unt.edu/ark:/67531/metadc625083/m1/2/: accessed April 25, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.