Press Release 97-06, NRC Asks Vectra Technologies to Submit Info on Its Dry Cask Storage Sys for Spent FuelML20133K401 |
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Issue date: |
01/16/1997 |
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From: |
NRC OFFICE OF PUBLIC AFFAIRS (OPA) |
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To: |
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References |
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PR-97-006, PR-97-6, NUDOCS 9701210214 |
Download: ML20133K401 (2) |
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Category:ARCHIVE RECORDS
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to Usec for U Enrichment Plants ML20134N7161996-11-26026 November 1996 Press Release 96-169,forwarding plant-specific Application of Safety Goals,Position on DSI-32,proposed Rule on SG Integrity & NRC Programs for risk-based Analysis of Reactor Operating Experience.W/O Encl ML20134M2121996-11-22022 November 1996 Press Release 96-165, NRC Begins First of Series of Design Insps at Nuclear Power Plants ML20134M3641996-11-22022 November 1996 Press Release 96-168, NRC Issues Initial Certification Decision for U Enrichment Plants ML20134M4621996-11-22022 November 1996 Press Release 96-167,forwarding Repts from ACNW Comments on, Road Map to ACNW Recommendation for Establishing Time of Compliance for Proposed HLW Respository at Yucca Mountain, Nv ML20134L9351996-11-22022 November 1996 Press Release 96-164, NRC ACRS to Meet 961205-07 ML20129K3501996-11-21021 November 1996 Press Release 96-163, NRC Issues Rept on Control of Radioactive Matl ML20134L3091996-11-20020 November 1996 Press Release 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Meeting ML20129C4241996-10-23023 October 1996 Press Release 96-152, NRC ACRS to Meet 961107-09 1999-04-23
[Table view]Some use of "" in your query was not closed by a matching "". Category:PRESS RELEASE OR NEWS ARTICLE
MONTHYEARML20195H8451999-04-23023 April 1999 Press Release 99-85, NRC Proposes Revs to Regulations on Use of Potassium Iodide in Er ML20154Q2041998-10-31031 October 1998 Reporting Safety Concerns to the NRC ML20217C1901997-12-10010 December 1997 Press Release 97-180, NRC Proposes $2.1 Million in Fines for Violations at Millstone Station ML20134L3431997-01-31031 January 1997 the Nuclear Regulatory Commission Fact Sheet ML20133L8921997-01-21021 January 1997 Press Release 97-09,informing That NRC ACRS Has Scheduled Meeting on 970205 in Rockville,Md ML20133K4761997-01-17017 January 1997 Press Release 97-08, Working Group Agrees on Formation of Intl Nuclear Regulators Assoc ML20133K8071997-01-17017 January 1997 Press Release 97-07, Nrc,Doe Sign New Mou ML20133K4011997-01-16016 January 1997 Press Release 97-06, NRC Asks Vectra Technologies to Submit Info on Its Dry Cask Storage Sys for Spent Fuel ML20133G3801997-01-15015 January 1997 Press Release 97-05, NRC Chairman,Working Group Meeting on Formation of Intl Regulatory Council ML20133F6511997-01-14014 January 1997 Press Release 97-03, NRC Receives Application from DOE for License to Store TMI Fuel Debris at Inel ML20133F6571997-01-14014 January 1997 Press Release 97-04 Re ACRS Scheduling Technical Meeting on 960128 in Rockville,Md ML20133B4141997-01-0303 January 1997 Press Release 97-01, Note to Editors ACRS Meeting Rescheduled ML20132F7871996-12-26026 December 1996 Press Release 96-189, NRC Seeks Qualified Candidates for Acnw ML20132G8861996-12-26026 December 1996 Press Release 96-190, NRC Considering Request from Ma for 'Agreement State' Status ML20132F7821996-12-24024 December 1996 Press Release 96-188, Note to Editors -- ACRS Meeting ML20132E1011996-12-20020 December 1996 Press Release 96-187, NRC Reaction to Dept of Energy Announcement Concerning External Oversight of DOE Facilities ML20132G8461996-12-19019 December 1996 Press Release 96-186, NRC Revises Criteria for Reporting Abnormal Occurrences to Congress ML20132E1621996-12-19019 December 1996 Press Release Newsletter Highlights of NRC-related News Articles for 961218 & 19 ML20132D7601996-12-19019 December 1996 Press Release 96-185, Commission Approves Rulemaking Plan for Util Role in Initial Reactor Operator License Exams ML20135F7401996-12-13013 December 1996 Press Release 96-184, Merschoff,Dyer Named to Top Posts in NRC Region IV ML20135E8111996-12-11011 December 1996 Press Release 96-183, NRC Revises Regulations on Release of Radioactive Matls from Nuclear Facilities ML20135E3841996-12-10010 December 1996 Press Release 96-181, NRC ACNW to Meet 970128-30 in Rockville,Md ML20135E3881996-12-10010 December 1996 Press Release 96-182, NRC Opens Most Enforcement Conferences to Public Observation ML20135D0881996-12-0909 December 1996 Press Release 96-180, Reyes to Be New NRC Region II Administrator ML20135D0691996-12-0606 December 1996 Press Release 96-179, NRC Certifies Two Standardized Reactor Designs ML20135E3671996-12-0505 December 1996 Press Release 96-178, NRC Amends Regulations Governing High-Level Radwaste Repository ML20135B6121996-12-0505 December 1996 Press Release 96-177, NRC Issues Interim Guidance on Transportation of Sgs ML20135B6101996-12-0505 December 1996 Press Release 96-176, NRC Seeks Qualified Candidates for Acrs ML20135B1771996-12-0404 December 1996 Press Release 96-175, NRC Issues Second Partial Initial Decision on La Energy Svcs License Application ML20135A8361996-12-0303 December 1996 Press Release 96-174, Note to Editors -- ACRS Meeting Scheduled on 961218 & 19 in Rockville,Md ML20135A8271996-12-0202 December 1996 Press Release 96-173, Note to Editors -- ACRS Meetings Scheduled on 961204 in Rockville,Md ML20135A8111996-12-0202 December 1996 Press Release 96-172, NRC Announces Major Reorganization ML20134P0521996-11-27027 November 1996 Press Release 96-171, NRC Chairman to Announce Major Reorganization on 961202 ML20134N6931996-11-26026 November 1996 Press Release 96-170, NRC Issues Certificates to Usec for U Enrichment Plants ML20134N7161996-11-26026 November 1996 Press Release 96-169,forwarding plant-specific Application of Safety Goals,Position on DSI-32,proposed Rule on SG Integrity & NRC Programs for risk-based Analysis of Reactor Operating Experience.W/O Encl ML20134M2121996-11-22022 November 1996 Press Release 96-165, NRC Begins First of Series of Design Insps at Nuclear Power Plants ML20134M3641996-11-22022 November 1996 Press Release 96-168, NRC Issues Initial Certification Decision for U Enrichment Plants ML20134M4621996-11-22022 November 1996 Press Release 96-167,forwarding Repts from ACNW Comments on, Road Map to ACNW Recommendation for Establishing Time of Compliance for Proposed HLW Respository at Yucca Mountain, Nv ML20134L9351996-11-22022 November 1996 Press Release 96-164, NRC ACRS to Meet 961205-07 ML20129K3501996-11-21021 November 1996 Press Release 96-163, NRC Issues Rept on Control of Radioactive Matl ML20134L3091996-11-20020 November 1996 Press Release 96-162, NRC Launches On-Line Discussion of Electronic Licensing Sys for HLW Repository ML20134J9341996-11-18018 November 1996 Press Release 96-161, NRC Seeks Qualified Candidates for Acrs ML20129K2921996-11-15015 November 1996 Press Release 96-160, NRC Launches Special Insp at Framatome Cogema Facility ML20129K2881996-11-15015 November 1996 Press Release 96-159, NRC Reassigns Regional Managers ML20134G8611996-11-13013 November 1996 Press Release 96-158, NRC ACRS Meeting in Rockville,Md on 961121-22 ML20134G0341996-11-0808 November 1996 Press Release 96-157, NRC Extends Public Comment Period on Agency Strategic Assessment of Regulatory Activities ML20134D6701996-10-30030 October 1996 Press Release 96-156, NRC ACNW to Meet 961112-13 in Rockville,Md ML20134D5161996-10-24024 October 1996 Press Release 96-154, NRC Issues Rept on Millstone Allegations,Requires Third-Party Oversight of Employee Concerns ML20129C7001996-10-24024 October 1996 Press Release 96-153, Note to Editors -- NSRRC Meeting ML20129C4241996-10-23023 October 1996 Press Release 96-152, NRC ACRS to Meet 961107-09 1999-04-23
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United States Nuclear Regulatory Commission Office of Public Affairs Washington, DC 20555 Phone 301-415-8200 Fax 301-415-2234 Internet:opa@nrc. gov ,
No.97-006 FOR IMMEDIATE RELEASE (Thursday. January 16, 1997)
NRC ASKS VECTRA TECHNOLOGIES TO SUBMIT INFORMATION ON ITS DRY CASK STORAGE SYSTEM FOR SPENT FUEL -
The Nuclear Regulatory Commission has asked VECTRA Technologies, Inc..
of San Jose, California, to submit information to show why NRC should not order the company to take certain actions with regard to a dry cask storage system for spent nuclear fuel.
NRC has asked VECTRA to submit by March 14:
(1) A statement as to why NRC should not order VECTRA or an independent organization, contracted by VECTRA, to conduct a comprehensive review of VECTRA's design control, since June 1995, of its Standardized NUHOMS Horizontal Modular Storage System.
(2) A statement as to why NRC should not order VECTRA to perform a comprehensive review of all design changes and nonconformances since June 1995. The statement would have to include a discussion of the root cause of previously identified corrective action weaknesses.
(3) A statement by VECTRA as to why the NRC should not suspend VECTRA's authority to fabricate the storage system until the problems have been resolved to the NRC's satisfaction.
VECTRA holds an NRC certificate approving the use of its Standardized NUHOMS Horizontal Modular Storage System. NRC conducts inspections to ,
determine whether the system is being manufactured in accordance with the NRC- i certified design.
NRC issued the demand for information to VECTRA as a result of !
inspection findings regarding the com)any's quality assurance program for l manufacture of the storage systems. 1RC noted that one of the conditions of the certificate is that the dry cask fabrication must be conducted in accordance with the quality assurance program described in the company's safety analysis report submitted to NRC. The agency's inspections have found that VECTRA has not always accurately translated the system design into the specifications that its fabrication contractors must follow.
In the NUHOMS system, spent fuel rods from a nuclear power plant spent fuel pool are placed inside a metal canister, all water and moisture are removed, and a shield lid is placed over the opening and welded shut. The ;
f sealed canister is placed horizontally in a concrete structure about 10 feet I wide, 5 feet tall and 19 feet deep. The full canister and surrounding 9701210214 970116 97- PDR PPscl l
L eli
o l l
i l
structure weigh about 150 tons and rest on a reinforced concrete pad. Natural !
j air circulation provides all the necessary cooling. l a
4 The NUHOMS system is now being used to store spent fuel at the Calvert
! Cliffs (Maryland), Davis Besse (Ohio), and Oconee (South Carolina) nuclear j power plants. The H.B. Robinson plant in South Carolina uses an earlier i version of the NUHOMS system. These VECTRA units already in use have been i previously inspected by the NRC on a periodic basis, in accordance with the agency's inspection program. Any issues identified have been resolved to the ;
4 NRC's satisfaction. !
l In addition, the following plants plan to use the system: Oyster Creek i j (New Jersey), Rancho Seco (California--permanently closed), and Susquehanna !
j (Pennsylvania).
The NRC first raised concerns with VECTRA's quality assurance program in
- June 1995 during an inspection of fabrication of dry shielded canisters at a VECTRA contractor facility. The quality assurance program failed to identify i l i that there was inadecuate documentation for design changes, that the 1 j fabrication process cid not ensure that acceptable canister wall thickness was !
maintained, and that pressure tests of the canisters were not being performed ,
! as committed to by VECTRA in its submittals to NRC. 1 4
. Because of the significance of these concerns the NRC issued a letter 4 to VECTRA on July 7.1995, confirming VECTRA's commitment to correct and prevent recurrence of these problems. l
) However, in later inspections in July and August 1996. NRC again
! identified 3roblems with the NUHOMS system, indicating insufficient corrective i actions. T1e inspectors found that VECTRA had failed to provide sufficient
! detail in the fabrication specification to ensure that the concrete material j used in the outer storage container met requirements. They also discovered an j inadequate analysis of the effects of the paint used for the outer container's j heat shield.
1 In a November 1996 inspection at another VECTRA fabrication contractor's f facility, NRC inspectors found similar 3roblems with the concrete
! specifications indicating that VECTRA lad failed to take actions to preclude
] repetition of the earlier shortcomings.
l Because of NRC's concerns with VECTRA's quality assurance program and i lack of effective corrective actions since June 1995. NRC questions whether it
- can have confidence in VECTRA's current ability to fabricate the Standardized l NUHOMS Horizontal Modular Storage System.
After reviewing VECTRA's response to the demand for information just
- issued, the NRC will determine whether further action is necessary to ensure i compliance with regulatory requirements.