CRITICALITY SAFETY LIMIT EVALUATION PROGRAM (CSLEP) & QUICK SCREENS, ANSWERS TO EXPEDITED PROCESSING LEGACY CRITICALITY SAFETY LIMITS & EVALUATIONS

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Since the end of the cold war, the need for operating weapons production facilities has faded. Criticality Safety Limits and controls supporting production modes in these facilities became outdated and furthermore lacked the procedure based rigor dictated by present day requirements. In the past, in many instances, the formalism of present day criticality safety evaluations was not applied. Some of the safety evaluations amounted to a paragraph in a notebook with no safety basis and questionable arguments with respect to double contingency criteria. When material stabilization, clean out, and deactivation activities commenced, large numbers of these older criticality safety evaluations ... continued below

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TOFFER, H. February 21, 2006.

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  • Hanford Site (Wash.)
    Publisher Info: Hanford Site (HNF), Richland, WA
    Place of Publication: Richland, Washington

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Since the end of the cold war, the need for operating weapons production facilities has faded. Criticality Safety Limits and controls supporting production modes in these facilities became outdated and furthermore lacked the procedure based rigor dictated by present day requirements. In the past, in many instances, the formalism of present day criticality safety evaluations was not applied. Some of the safety evaluations amounted to a paragraph in a notebook with no safety basis and questionable arguments with respect to double contingency criteria. When material stabilization, clean out, and deactivation activities commenced, large numbers of these older criticality safety evaluations were uncovered with limits and controls backed up by tenuous arguments. A dilemma developed: on the one hand, cleanup activities were placed on very aggressive schedules; on the other hand, a highly structured approach to limits development was required and applied to the cleanup operations. Some creative approaches were needed to cope with the limits development process.

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  • ANS ANNUAL MEETING, A BRILLIANT FUTURE NEXUS OF PUBLIC SUPPORT IN NUCLEAR TECHNOLOGY 06/04/2006 Thru 06/08/2006 RENO NEVADA

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  • Report No.: HNF-28766-FP Rev 0
  • Grant Number: DE-AC06-96RL13200
  • Office of Scientific & Technical Information Report Number: 876694
  • Archival Resource Key: ark:/67531/metadc880593

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  • February 21, 2006

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  • Sept. 21, 2016, 2:29 a.m.

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  • Oct. 31, 2016, 8:59 p.m.

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TOFFER, H. CRITICALITY SAFETY LIMIT EVALUATION PROGRAM (CSLEP) & QUICK SCREENS, ANSWERS TO EXPEDITED PROCESSING LEGACY CRITICALITY SAFETY LIMITS & EVALUATIONS, article, February 21, 2006; Richland, Washington. (digital.library.unt.edu/ark:/67531/metadc880593/: accessed September 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.