Reactor Pressure Vessel Head Packaging & Disposal

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Description

Reactor Pressure Vessel (RPV) Head replacements have come to the forefront due to erosion/corrosion and wastage problems resulting from the susceptibility of the RPV Head alloy steel material to water/boric acid corrosion from reactor coolant leakage through the various RPV Head penetrations. A case in point is the recent Davis-Besse RPV Head project, where detailed inspections in early 2002 revealed significant wastage of head material adjacent to one of the Control Rod Drive Mechanism (CRDM) nozzles. In lieu of making ASME weld repairs to the damaged head, Davis-Besse made the decision to replace the RPV Head. The decision was made ... continued below

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8 pages

Creation Information

Wheeler, D. M.; Posivak, E.; Freitag, A. & Geddes, B. February 26, 2003.

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This article 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 40 times . More information about this article can be viewed below.

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Description

Reactor Pressure Vessel (RPV) Head replacements have come to the forefront due to erosion/corrosion and wastage problems resulting from the susceptibility of the RPV Head alloy steel material to water/boric acid corrosion from reactor coolant leakage through the various RPV Head penetrations. A case in point is the recent Davis-Besse RPV Head project, where detailed inspections in early 2002 revealed significant wastage of head material adjacent to one of the Control Rod Drive Mechanism (CRDM) nozzles. In lieu of making ASME weld repairs to the damaged head, Davis-Besse made the decision to replace the RPV Head. The decision was made on the basis that the required weld repair would be too extensive and almost impractical. This paper presents the packaging, transport, and disposal considerations for the damaged Davis-Besse RPV Head. It addresses the requirements necessary to meet Davis Besse needs, as well as the regulatory criteria, for shipping and burial of the head. It focuses on the radiological characterization, shipping/disposal package design, site preparation and packaging, and the transportation and emergency response plans that were developed for the Davis-Besse RPV Head project.

Physical Description

8 pages

Source

  • Waste Management 2003 Symposium, Tucson, AZ (US), 02/23/2003--02/27/2003

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  • Report No.: NONE
  • Grant Number: none
  • Office of Scientific & Technical Information Report Number: 826404
  • Archival Resource Key: ark:/67531/metadc779442

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Creation Date

  • February 26, 2003

Added to The UNT Digital Library

  • Dec. 3, 2015, 9:30 a.m.

Description Last Updated

  • April 27, 2016, 1:01 p.m.

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Wheeler, D. M.; Posivak, E.; Freitag, A. & Geddes, B. Reactor Pressure Vessel Head Packaging & Disposal, article, February 26, 2003; Tucson, Arizona. (digital.library.unt.edu/ark:/67531/metadc779442/: accessed August 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.