ML20248L212

Submits TAR Re Review of Request for Criticality Accident Alarm Sys (Caas) Exclusion for Portsmouth Gaseous Diffusion Plants & Paducah Gaseous Diffusion Plant

ML20248L212
Person / Time
Site:	Portsmouth Gaseous Diffusion Plant, 07007001
Issue date:	03/10/1998
From:	Pierson R NRC OFFICE OF NUCLEAR MATERIAL SAFETY & SAFEGUARDS (NMSS)
To:	Weber M NRC OFFICE OF NUCLEAR MATERIAL SAFETY & SAFEGUARDS (NMSS)
References
TAC-L32009, TAC-L32047, NUDOCS 9803190109
Download: ML20248L212 (2)

Text

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[ *[ March 10, 1958 i

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f.- EMORANDUM TO: Michael F. Weber, Chief '

'r, Licensing Branch l Division of Fuel Cycle Safety and Safeguards i

! FROM: Robert C. Pierson, Chief OYg SlgM g i Special Projects Branch DMslon of Fuel Cycle Safety and Safeguards l l

SUBJECT:

TECHNICAL ASSISTANCE REQUEST - REVIEW OF REQUEST FOR CRITICALITY ACCIDENT ALARM SYSTEM (CAAS) EXCLUSION FOR PORTSMOUTH GASEOUS DIFFUSION PLANTS (PORTS) (TAC NO. L32009)

AND PADUCAH GASEOUS DlFFUSION PLANT (PGDP) (TAC NO. L32047)

The Special Projects Branch requests technical assistance in reviewing the following project:

Prolect: USEC's request for CAAS exclusion at PORTS and PGDP.

Casework /RITS/ TAC Nos: 07007002040S/212A/L32009 - Portsmouth 07007001320S/212AH/L32047 - Paducah Reauested Action: According to 10 CFR 76.89, USEC is required to have criticality monitoring and alarm audibility in all areas except those that have been exempted by the NRC. As such, prior to certification, i USEC had requested that the NRC exclude them from having CAAS coverage for several areas at PORTS i

and PGDP. By letter dated March 14,1997, DOE requested NRC's concurrence for permitting DOE to

! supplement USEC's response to NRC's Request for Additional Information (RAI) dated February 28,1997, l' concerning CAAS coverage of UF6 cylinder storage yards. The comments in the RAI were generated by

Mr. Dennis Damon of your staff. On August 21,1997, DOE submitted two reports entitled " Evaluation of i UF6 Cylinder Yarci Requirements for Criticality Prevention / Detection issues - Basis for DOE Pcsition" dated j l June 199 and " Investigation of Breached Depleted UF6 Cylinders" dated September 1991. Mr. Damon was pro' J a copy of DOE's submittal with a verbal request for its review. According to Mr. Damon, he has cot. ted his preliminary review. In addition, Mr. Damon was provided with all other previous DOE and USEv submittals on the subject matter.

, The SPB target date for completion of this action is August 31,1998. To meet this target date, completion i

of your review in the form of a Compliance Evaluation Report on the subject CAAS exclusion request is requested by July 24,1998. Preliminary consultations of Yawar Faraz with Dennis Damon have identified I additional potential questions related to the C-712 Acid Neutralization Pit at PGDP. As such, there may be a need for one additional RAI to be generated by the primary reviewer no later than April 10,1998. If

!- needed, a meeting with USEC on this subject at PGDP, including a tour of C-712, could also be arranged.

Please have the assigned reviewer directly contact Yawar Faraz to further discuss this request.

Contacts- PM (PORTS): Yawar H. Faraz,415-8113, Acting PM (PGDP): Priya Patel,415-5757, i LA: D. Amy Hoadley,415-8129

! The above TAC Nos. should be referenced in future correspondence related to this request and on the l RITS Report for recording staff time expended on this effort.

Dockets 70-7001,70-7002 b Certificates GDP-1, GDP-2 t f'

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. g4 MEMORANDUM TO: Michael F. Weber, Chief Licensing Branch l Dwision of Fuel Cycle Safety and Safeguards FR  : Robert C. Pierson, Chief Special Projects Branch DMeion of Fuel Cycle Safety and Safeguards '

SUBJECT:

TECHNICAL ASSISTANCE RECrUEST - REVIEW OF REQUEST FOR CRITICALITY ACCIDENT ALARM SYSTEM (CAAS) EXCLUSION FOR l

PORTSMOUTH GASEOUS DIFFUSION PLANTS (PORTS) (TAC NO. L32009)

AND PADUCAH GASEOUS DIFFUSION PLANT (PGDP) (TAC NO. L30576) l The Special Pro Branch requests technical assistance in reviewing the following project:

1 P.tgjegi: USEC's requ for CAAS exc.lusion at PORTS and PGDP.

1

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Casswork/RITS/ TAC Nos 07007002040S/212A/L32009 - Portsmouth l '!

07007001320S/212AH/L32047 - Paducah I

/ Reauested Action: Acce,eg 10 CFR 76.89, USEC is requirW to have cribcality monitoring and alarm l audibilityin all areas except th at have been exemptoo oy the NRC. As such, prior to certifica0on, l USEC had requested that the NR xclude them from having CAAS coverage for several areas at PORTS and PGDP. Byletter dated March 1 1997, DOE requested NRC's concurrence for permitting DOE to supplement USEC's response to NRC Request for Additional Information (RAl) dated February 28,1997, concoming CAAS coverage of UF6 cyli r storage yards. The comments in the RAI were generated by Mr. Dennis Damon of your staff. On Aug 1,1997, DOE submitted two reports entitled

• Evaluation of UF6 Cylinder Yard Requirements for Critical revention/ Detection issues . Basis for DOE Position" dated June 1997, and " Investigation of Breached De UF6 Cylinders" dated September 1991. Mr. Damon l - was provided a copy of DOE's submittal with a ve I request for its review. According to Mr. Damon, he -

has completed his preliminary rewow. In addition, Damon was provided with all other previous DOE and USEC oubmittals on the subject matter.

The SPB target date for completion of this action is Aug 1,1998. To meet this target date, completion  ;

l

'~ of your review in the form of a Compliance Evaluation Repo on the subject CAAS exclusion request is  !

requested by July 24,1998. Preliminary consultations of Y Faraz with Dennis Damon have identified j l

additional potential questions related to the C-712 Acid Neutrar tion Pit at PGDP. As such, there may be j a need for one addibonal RAI to be generated by the primary re - r no later than April 10,1998. If ,

needed, a meeting with USEC on this subject at PGDP, including a r of C-712, could also be arranged. '

Please have the assigned reviewer directly contact Yawar Faraz to furthe iscuss this request. I Contacts- PM (PORTS): Yawar H. Faraz,415-8113, Acting PM (PGDP): P Patel,415-5757, LA: D. Amy Hoadley,415-8129

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The above TAC Nos should be referenced in future correspondence related to this r uest and on the

' RITS Report for recording staff time expanded on this effort.

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Dockets 70-7001,70-7002 Certillcates GDP-1, GDP-2 M m"rcos"

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