Multi-Canister overpack ultrasonic examination of closure weld

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Description

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 ... continued below

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8 pages

Creation Information

SMITH, K.E. November 3, 1998.

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This report is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 602 times , with 36 in the last month . More information about this report can be viewed below.

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  • Hanford Site (Wash.)
    Publisher Info: HNF Hanford Site (United States)
    Place of Publication: United States

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Description

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.

Physical Description

8 pages

Notes

INIS; OSTI as DE00011248

Source

  • Other Information: PBD: 3 Nov 1998

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  • Report No.: HNF--3293--REV0
  • Report No.: EW7040000
  • Grant Number: AC06-96RL13200
  • DOI: 10.2172/11248 | External Link
  • Office of Scientific & Technical Information Report Number: 11248
  • Archival Resource Key: ark:/67531/metadc625083

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • November 3, 1998

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

Description Last Updated

  • April 27, 2016, 4:24 p.m.

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SMITH, K.E. Multi-Canister overpack ultrasonic examination of closure weld, report, November 3, 1998; United States. (digital.library.unt.edu/ark:/67531/metadc625083/: accessed July 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.