Savannah River Site nuclear materials stabilization and storage Year 2000 ``at risk`` systems white paper

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Description

The primary mission of Nuclear Materials Stabilization and Storage (NMSS) is the stabilization of plutonium (Pu) and uranium (U) bearing legacy nuclear materials. The F-Canyon Distributed Control System (DCS) and the F-Area Outside Facilities (OF-F) Chemical Handling programmable Logic Controller (PLC) are independent process control systems used to control a portion of the nuclear material stabilization process. One NMSS roll-up system contains two F-Canyon control systems that are scheduled to attain Year 2000 compliance by 9/30/99, 6 months beyond the desired 3/31/99 date. These 1970s vintage systems, which are integral to the operation and safety of high-level radioactive material processing ... continued below

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10 p.

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Mooneyhan, J.L. May 14, 1998.

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Description

The primary mission of Nuclear Materials Stabilization and Storage (NMSS) is the stabilization of plutonium (Pu) and uranium (U) bearing legacy nuclear materials. The F-Canyon Distributed Control System (DCS) and the F-Area Outside Facilities (OF-F) Chemical Handling programmable Logic Controller (PLC) are independent process control systems used to control a portion of the nuclear material stabilization process. One NMSS roll-up system contains two F-Canyon control systems that are scheduled to attain Year 2000 compliance by 9/30/99, 6 months beyond the desired 3/31/99 date. These 1970s vintage systems, which are integral to the operation and safety of high-level radioactive material processing systems, require both hardware and software modifications. Based upon previous experience with upgrading similar systems, prudent engineering dictates a schedule with sufficient time to procure equipment, conduct rigorous off-line testing including pilot operation of all new hardware, and obtain high quality, accurate documentation. Schedule acceleration, which negatively impacts any of the critical phases in the modification process risks hardware and/or software failures/errors, could significantly extend outages, with cost penalties estimated at $3 million per week. The proposed schedule directed at full Year 2000 compliance by 9/30/99 provides for implementation based upon best engineering and operations judgment, minimal cost and facility disruption, 3 months of normal systems operation /prior to 1/1/2000, and a contingency plan, which provides that the facility is maintained in a safe configuration at all times, ensuring no adverse impacts on facility personnel, property, or the general public.

Physical Description

10 p.

Notes

INIS; OSTI as DE98053161

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  • Other Information: PBD: 14 May 1998

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  • Other: DE98053161
  • Report No.: WSRC-RP--98-00327
  • Grant Number: AC09-96SR18500
  • DOI: 10.2172/663458 | External Link
  • Office of Scientific & Technical Information Report Number: 663458
  • Archival Resource Key: ark:/67531/metadc706148

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  • May 14, 1998

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • Feb. 9, 2016, 7:03 p.m.

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Mooneyhan, J.L. Savannah River Site nuclear materials stabilization and storage Year 2000 ``at risk`` systems white paper, report, May 14, 1998; Aiken, South Carolina. (digital.library.unt.edu/ark:/67531/metadc706148/: accessed September 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.