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ANS 6.3.1

87th Edition, 1987

Complete Document

Program for Testing Radiation Shields in Light Water Reactors (LWR)

Includes all amendments and changes through Reaffirmation Notice , 2007

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Product Details:

  • Revision: 87th Edition, 1987
  • Published Date: January 2007
  • Status: Active, Most Current
  • Document Language: English
  • Published By: American Nuclear Society (ANS)
  • Page Count: 21
  • ANSI Approved: Yes
  • DoD Adopted: No

Description / Abstract:

This standard describes a test program to be used in evaluating biological radiation shielding in nuclear reactor facilities under normal operating conditions including anticipated operational occurances. The program encompasses examining and testing to be performed before startup, during startup, and testing subsequent to the startup phase. Post startup tests are required for the shielded components which do not contain sufficient radioactivity during the startup phase to allow valid testing. Shielding of these components is to be tested when radiation sources develop are introduced in sufficient strenggth to allow meaningful measurements. Post startup shield tests are also required whenever radioactive or potentially radioactive equipment which could affect the adequacy of the installed shielding is introduced into the plant or relocated within the plant, or when previously tested shielding has been modified. One special category of post startup testing is the testing of shieldingduring refueling operations.