ML20211F176
| ML20211F176 | |
| Person / Time | |
|---|---|
| Site: | Paducah Gaseous Diffusion Plant |
| Issue date: | 08/20/1999 |
| From: | Toelle S UNITED STATES ENRICHMENT CORP. (USEC) |
| To: | Pierson R NRC OFFICE OF NUCLEAR MATERIAL SAFETY & SAFEGUARDS (NMSS) |
| References | |
| GDP-99-0083, NUDOCS 9908300263 | |
| Download: ML20211F176 (2) | |
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pp d USEC A Global Enwr '.;ompany August 20,1999 GDP 99-0083 Mr. Robert C. Pierson Chief, Special Projects Branch Division of Fuel Cycle Safety and Safeguards, NMSS United States Nuclear Regulatory Commission Washington, D.C. 20555-0001 Paducah Gaseous Diffusion Plant (PGDP)
Docket No. 70-7001 Criticality Accident Alarm System Detection Exemption Request
Dear Mr. Pierson:
In accordance with Issue 8 of the Plan for Achieving Compliance with NRC Regulations at the Paducah Gaseous Diffusion Plant (Compliance Plan) and pursuant to 10 CFR 76.89(a), USEC submitted to the NRC descriptions of areas within the USEC leased areas at the PGDP that USEC proposed be exempted from criticality accioent alarm system (CAAS) detection coverage for NRC review and approval. These descriptions were submitted by letter GDP 96-0172, dated August 15, 1996.
i USEC is completing construction of another laboratory building which will become operational later this year. USEC is hereby requesting that this facility, the C-709 Laboratory Annex Building, be 1
added to the list of facilities to be exempted from CAAS detection coverage. The type of construction is reinforced concrete. The Justification Category for this facility should be listed as "<
15 grams U or < 1 wt% 235U"in accordance with References I and 7 235 i
Should you have any questions or require additional information, rilease contact Mark Smith at (301) 564-3244. There are no new commitments contained in this submittal.
l Sincerely,
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- 6. A.
/
Steven A.Toelle i
Nuclear Regulatory Assurance and Policy Manager 9908300263 990820 PDR ADOCK 07007001 C
PDR Ad 14 6903 Rockledge Drive, Bethesda, MD 20817-1818 Telephone 301-564-3200 Fax 301-56+3201 http://www.usec.com Otiices in Livermore CA Paducah, KY Portsmouth, OH Washington, DC 1
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- Mr. Robert C. Pierson August 20,1999 GDP 99-0083, Page 2
References:
- 1. KY/G-632, Rev.1," Justification That Operations With Less Than 15 Grams U-235 Do Not Require A Nuclear Criticality Safety Approval (NCSA) Or A Criticality Accident Alarm System (CAAS)," T. J. Cahill, March 1997.
- 2. KY/S-258," Justification For No Criticality Alarm Coverage For Areas With Uranium Enriched To Less Than One Weight Percent U-235 At The Paducah Gaseous Diffusion Plant," Gary R. Smolen, Jason E. Huffer, February 1996.
Mtrick Hiland, NRC Region III cc:
Kenneth O'Brien, NRC Resident Inspector - PGDP David Hartland, NRC Resident Inspector - PORTS Randall M. DeVault (DOE) i I
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