Justification for 80 PSI railroad door sealing pressure

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Description

The normal operating pressure for the inner and outer Railroad Door Seals is 90 psig. The instrumentation which monitors this pressure does not provide assurance that the 90 psig can be maintained during reactor operations. A decrease in pressure is detected by a low level pressure alarm set to alarm at 88 psig. When another 8 psig is allowed for the instrument error of this alarm and the operating band during the leak test, the minimum pressure maintained in the seals is reduced to 80 psig. 80 psig, therefore, is the pressure that the LOFT Technical Specifications have committed to ... continued below

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Pages: 6

Creation Information

Larson, R.H. December 20, 1977.

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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. More information about this report can be viewed below.

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  • EG & G Idaho
    Publisher Info: EG and G Idaho, Inc., Idaho Falls (USA)
    Place of Publication: Idaho Falls, Idaho

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Description

The normal operating pressure for the inner and outer Railroad Door Seals is 90 psig. The instrumentation which monitors this pressure does not provide assurance that the 90 psig can be maintained during reactor operations. A decrease in pressure is detected by a low level pressure alarm set to alarm at 88 psig. When another 8 psig is allowed for the instrument error of this alarm and the operating band during the leak test, the minimum pressure maintained in the seals is reduced to 80 psig. 80 psig, therefore, is the pressure that the LOFT Technical Specifications have committed to maintain.

Physical Description

Pages: 6

Notes

NTIS, PC A02/MF A01; 1.

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  • Other Information: Portions of this document are illegible in microfiche products

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Identifier

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  • Other: DE85015468
  • Report No.: EGG/LTR-1213-1
  • Grant Number: AC07-76ID01570
  • DOI: 10.2172/5453688 | External Link
  • Office of Scientific & Technical Information Report Number: 5453688
  • Archival Resource Key: ark:/67531/metadc1071127

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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

  • December 20, 1977

Added to The UNT Digital Library

  • Feb. 4, 2018, 10:51 a.m.

Description Last Updated

  • June 1, 2018, 4:12 p.m.

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Larson, R.H. Justification for 80 PSI railroad door sealing pressure, report, December 20, 1977; Idaho Falls, Idaho. (digital.library.unt.edu/ark:/67531/metadc1071127/: accessed October 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.