ML20216D690

Requests Addl Info Related to GL 96-06.Licensees Requested to Evaluate Cooling Water Sys That Serve Containment Air Coolers to Assure Not Vulnerable to Water Hammer & two-phase Flow Conditions

ML20216D690
Person / Time
Site:	Brunswick
Issue date:	04/13/1998
From:	Trimble D NRC (Affiliation Not Assigned)
To:	Hinnant C CAROLINA POWER & LIGHT CO.
References
GL-96-06, GL-96-6, TAC-M96787, TAC-M96788, NUDOCS 9804150401
Download: ML20216D690 (2)

Text

.

'A pril I 13,'1998-

'Mr.}C. S. Hinna'n t. Vice President -

v j; CgrolinaPower&LightCompany-Brunswick Steam Electric' Plant Post 0ffice Box 10429

' Southport. No'rth Carolina . 28461-4

SUBJECT:

l REQUEST FOR ADDITIONAL:INFORMATION RELATED TD GENERIC LETTER 96-06 RESPONSE FOR-BRUNSWICK. UNIT'NOS.1 AND 2 (TAC NOS. M96787 AND-

M96788)

Dearkr.Hinnant:

1. . Generic Letter (GL) 96-06. " Assurance of Equipment' Operability and Containment 2 . Integrity During Design-Basis Accident Conditions." dated September 30. 1996.

requested licensees to evaluate cooling water systems that' serve containment air coolers to assure that they are not vulnerable .to water hammer and two-phase _ flow' conditions. -You provided the assessment'for Brunswick. Unit Nos.

'l and 2. in your letters dated January 28. Land May 30. 1997. To. compide the NRC staff's review of the water hammer and two-phase flow issues.~please

" confirm your water hammer and two-phase' flow analyses that were performed include a_ complete failure modes and. effects analysis.for'all components (including electrical and pneumatic) relatingjto the cooling water system.

Please submit appropriate documentation' for staff review; To support the NRC' staff's review 5chedule.: youbresponse .tb this' request is-requested within.30 days of Lthe' receipt of this. letter, iIf =you have any questions. write or contact me at (301) 415-2019.

3

, Sincerely.;

~(Original Signed By)

David, C.' Trimble., ~ Project Manager -

'ProjectDirectorate'IIjl Division of Reactor Projects - I/II j Office of Nuclear Reactor Regulation 1 Docket Nos'. 50-32'5 ,

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Mr. C, S. Hinnant Brunswick Steam Electric Plant Carolina Power & Light Company Units 1 and 2 cc:

Mr. William D. Johnson Ms. Karen E. Long i Vice President and Senior Counsel Assistant Attorney General l ' Carolina Power & Light Company State of North Carolina Post Office Box 1551 Post Office Box 629 Raleigh, North Carolina 27602 Raleigh, Nodh Carolina 27602 Mr. Jerry W. Jones, Chairman Mr. Robart P. Gruber Brunswick County Board of Commissioners Executive Director Post Office Box 249 Public Staff- NCUC Bolivia, North Carolina 28422 Post Office Box 29520 Raleigh, North Carolina 27626-0520 Resident inspector U.S. Nuclear Regulatory Commission 8470 River Road Director Southport, North Carolina 28461 Site Operations Brunswick Steam Electric Plant Regional Administrator, Region ll Post Office Box 10429 U.S. Nuclear Regulatory Commission Southport, North Carolina 28461 Atlanta Federal Center 61 Forsyth Street, SW, Suite 23T85 Atlanta, Georgia 30303 Mr. William H. Crowe, Mayor City of Southport Mr. Mel Fry, Acting Director

. 201 East Moore Street .

Division of Radiation Protection Southport, North Carolina 28461 N.C. Department of Environment, Health and Natural Resources Mr. Dan E. Summers 3825 Barrett Dr. Emergency Management Coordinator Raleigh, North Carolina 27609-7721 New Hanover County Department of Emergency Managem'ent Mr. J. J. Lyash Post Office Box 1525 Plant Manager Wilmington, North Carolina 28402 Carolina Power & Light Company Brunswick Steam Electric Plant Ms. D. B. Alexander 1 Post Office Box 10429 Manager Southport, North Carolina 28461 Performance Evaluation and  ;

Regulatory Affairs '

Public Service Commission Carolina Power & Light Company State of South Carclina 412 S. Wilmington Street Post Office Drawer 11649 Raleigh, North Carolina 27601 Columbia, South Carolina 29211 Mr. K. R. Jury Mr. Milton Shymiock Manager- Regulatory Affairs U. S. Nuclear Regulatory Commission Carolina Power & Light Company Atlanta Federal Center Post Office Box 10429 61 Forsyth Street, SW, Suite 23T85 Southpert, NC 28461-0429 Atlants, Georgia 30303