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ANS 55.4

93rd Edition, 1993

Complete Document

Gaseous Radioactive Waste Processing Systems for Light Water Reactor Plants

Includes all amendments and changes through Reaffirmation Notice , 2017


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Product Details:

  • Revision: 93rd Edition, 1993
  • Published Date: May 14, 2017
  • Status: Not Active, See comments below
  • Document Language: English
  • Published By: American Nuclear Society (ANS)
  • Page Count: 40
  • ANSI Approved: Yes
  • DoD Adopted: No

Description / Abstract:

Thin standard sets forth minimum design, construction, and performance requirements, with due consideration for operation, for gaseous radioactive waste processing systems (GRWPS) for light water reactor (LWR) plants. It is applicable for routine operation, design basis fuel leakage, and other design basis occurrences.

System Description.

For the purpose of this standard, the boiling water reactor (BWR) GRWPS begins at the point of discharge from the main condenser air removal equipment, the main condenser mechanical vacuum pump, and the turbine steam packing exhauster. For pressurized water reactors (PWRs), the GRWPS begins at the point of discharge from the volume control tank, the reactor coolant drain tank, the reactor coolant gas stripper, the boron recycle holdup tank, the pressurizer relief tank, and the boron recycle evaporator. The systems terminate at the point of introduction into the plant exhaust.

The components of the GRWPS are nonnuclear safety related and the system is classified as Nonnuclear Safety (NNS) as defined in Section 3.3 of American National Standards for Nuclear Safety Criteria for the Design of Stationary Boiling Water Reactor Plants, ANS1/ANS-52.1-1983 (R1988) [1],1 and Nuclear Safety Criteria for the Design of Stationary Pressurized Water Reactor Plants, ANSI/ANS-51.1-1983 (R1988) [2].

1 Numbers in brackets refer to corresponding numbers in Section 7, References