ML20052H495
| ML20052H495 | |
| Person / Time | |
|---|---|
| Site: | Catawba  |
| Issue date: | 05/18/1982 |
| From: | Adensam E Office of Nuclear Reactor Regulation |
| To: | Parker W DUKE POWER CO. |
| References | |
| NUDOCS 8205210135 | |
| Download: ML20052H495 (3) | |
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DISTRIBUTION:
Docket File:
50-413/414 MAY 181982 NRC PDR L PDR TERA NSIC TIC EAdensam Docket Nos.: 50-413/414 MDuncan S
KJabbour DEisenhut/RPurple Attorney, OELD D EWED g,
Mr. William O. Parker, Jr.
I&E M4y 2 8 /982gg Vice President - Steam Production ACRS (16) a P.O. Dox 33189 c,
Charlotte, North Carolina 28242 Doc 4
Dear Mr. Parker:
g
Subject:
Request for Additional Information - Catawba Nuclear Station In the performance of the Catawba Station licensing review, the NRC staff has identified additional concerns in the Instrumentation and Control Systems area as stated in Enclosure 1.
We request that you provide the information no later than June 11, 1982.
If you require any clarification of this matter, please contact the project manager, Kahtan Jabbour, at (301) 492-7821.
The reporting and/or recordkeeping requirements contained in this letter affect fewer than ten respondents; therefore, OMB clearance is not required under P.L.96-511.
Sincerely, Elinor G. Adensam, Chief Licensing Branch No. 4 Division of Licensing
Enclosure:
As stated cc: See next page I
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I Mr. William 0. Parker h-Vice President - Steam Production Dukc Power Company P.O. Box 33189 Charlotte, North Carolina 28242 cc:
William L. Porter, Esq.
North Carolina Electric Membership Duke Power Company Corp.
P.O. Box 33189 3333 North Boulevard Charlotte, North Carolina 28242 P.O. Box 27306 Raleigh, North Carolina 27611 J. Michael McGarry, III, Esq.
Debevoise & Liberman Saluda River Electric Cooperative, 1200 Seventeenth Street, N.W.
Inc.
Washington, D. C.
20036 207 Sherwood Drive Laurens, South Carolina 29360 North Carolina MPA-1 P.O. Box 95162 Mr. Peter K. VanDoorn Raleigh, North Carolina 27625 Route 2, Box 179N York, South Carolina 29745 Mr. F. J. Twogood Power Systems Division Janes P. O'Reilly, Regional Administrator Westinghouse Electric Corp.
U.S. Nuclear Regulatory Commission, P.O. Box 355 Region II Pittsburgh, Pennsylvania 15230 101 Marietta Street, Suite 3100 Atlanta, Georgia 30303 Mr. J. C. Plunkett, Jr.
NUS Corporation Robert Guild, Esq.
2536 Countryside Boulevard 314 Pall Mall Clearwater, Florida 33515 Columbia, South Carolina 29201 Mr. Jesse L. Riley, President Palmetto Alliance Carolina Environmental Study Group 2135 1/2 Devine Street 854 Henley Place Columbia, South Carolina 29205 Charlotte, North Carolina 28208 Richard P. Wilson, Esq.
Assistant Attorney General S.C. Attorney General's Office P.O. Box 11549 i
Columbia, South Carolina 29211 l
Mr. Henry Presler, Chairman Charlotte - Mecklenburg Environmental Coalition 943 Henly Place Charlotte, North Carolina 28207 e
ENCLOSURE 1 INSTRUMENTATION AND CONTROL CONCERNS FOR CATAWBA
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1.
Safety Injection Pump Suction Isolation Valve NI 100B and Safety Injection Pump Miniflow Header to Feedwater Valve NI 147B require power lockout to meet the single failure criterion.
The power lockout scheme for each i
valve, as shown on Catawba Drawings CNEE-0151-01.10 and 0151-01.13, uses an additional manually controlled contactor (M2).
CONCERN The staff believes that a short of the #1-f2 contact set for either
MAIN 1AINED" switch (NI65 or NI73) would constitute a non-detectable failure and thus violate the single failure criteria. Provide a discussion of how the above will be resolved for Catawba.
l 2.
TMI-2 Action Plan Item'II.E.1.2 Part 2 requires safety-grade indication in the control room of auxiliary feedwater flow to each steam generator powered from emergency buses consistent with emergency power diversity requirements of Auxiliary Systems Branch Technical Position 10-1.
CONCERN The applicant's response to this Action Plan Item in the FSAR is inadequate
-i and the staff believes design changes are being made in this area.
Provide a discussion of the power sources to be used for the auxiliary feedwater, flow indication.
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