ML20071C124
| ML20071C124 | |
| Person / Time | |
|---|---|
| Site: | Catawba  |
| Issue date: | 02/22/1983 |
| From: | Tucker H DUKE POWER CO. |
| To: | Adensam E, Harold Denton Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 8303010496 | |
| Download: ML20071C124 (8) | |
Text
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DUKE POWER GOMPANY P.O. BOX 33189 CHARLOTTE, N.C. MG242 HAL H.'IUCKER TELEPHONE vu a parernent (704)373-4531 February' 22, 1983
===e-
Mr. Harold R. Denton, Director Office of Nuclear Reactor Regulation U. S. Nuclear Regulatory Commission Washington, D. C. 20555 Attention:
Ms. E. G. Adensam, Chief Licensing Branch No. 4 Re: Catawba Nuclear Station
. Docket Nos. 50-413 and 50-414
Dear Mr. Denton:
On December 13 and 14, 1982, representatives from Duke Power Company, Westinghouse Electric Corporation, and the NRC Reactor Systems Branch met in Bethesda, Maryland to discuss the open items which ranained from previous meetings. Attached is a list of attendees and a meeting summary.
Very truly yours, r 48e x
Hal B. Tucker ROS/php Attachment cc:
Mr. James P. O'Rellly, Regional Administrator U. S. Nuclear Regulatory Commission Region II 101 Marietta Street, Suite 3100 Atlanta, Georgia 30303 Mr. P. K. Van Doorn
-NRC Resident Inspector Catawba Nuclear Station Mr. Robert Guild, Esq.
Attorney-at-Law P. O. Box 12097 Charleston, South Carolina 29412 F ')
Palmetto Alliance
,j) 2135 Devine Street Columbia, South Carolina 29205 8303010496 830222 PDR ADOCK 05000413 A
T Mr. Harold R. Denton, Director February 22, 1983
~ Page 2 cc:
Mr. Henry A. Presler, Chairman
-Charlotte-Mecklenburg Environmental Coalition 943 Henley Place-Charlotte, North Carolina 28207
'Mr. Jesse L. Riley Carolina Environmental Study Group 854 Henley Place Charlotte, North Carolina 28207 f
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NRC Meeting with Duke on-RSB Open Items 12/13/82 Name Organization K. N. Jabbour NRC/DL Amarjit. Singh (a.m.)
NRC/NRR/DSI/ASB James Lazevnick'(a.m.)
NRC/NRR/DSI/PSB J. E. Rosenthal NRC/DSI S. Diab NRC/RSB B. Sheron (a.m.)
NRC/RSB F. Orr NRC/RSB Melanie Miller NRC/NRR/DL/LB4 E.'M. Burns Westinghouse R. O. Sharpe Duke Power - Licensing R. C. Gamberg Duke Power - Mechanical Systems R. L. Misenheimer Duke Power - Mechanical Systems G. E. Hedrick Duke Power - Mechanical Systems J. H. Schulte Duke Power - Design Eng. - Lic.
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T' NRC Meeting with Duke on RSB Open Items 12/14/82 Name Organization K. N. Jabbour NRC/DL R. O. Sharpe..
Duke Power - Licensing R. L. Misenheimer Duke Power - Mechanical Systems E. M. Burns Westinghouse - Licensing S. Diab.
NRC/RSB J. Rosenthal NRC/RSB
'F. Orr NRC/RSB J.LLazevnick NRC/PSB F. Burrows NRC/ICSE G. Hedrick Duke Power - Mechanical Systems R. Gamberg Duke Power - Mechanical Systems.
J.=Schulte Duke Power - Licensing K. Dempsey (p.m.)
NRC/AEB Ted Quay (p.m.)
NRC/AEB
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Duke - NRC/RSB Meeting-December 13 and 14, 1982 The following-items were discussed:
December 13, 1982 1..
Conformance to RSB 5-1 (Q440.134 and 135)
-Duke discussed response to these questions which was transmitted by H. B. Tucker's letter of December 10, 1982 to H. R. Denton.
Steam Generator Power Operated Relief Valves The NRC is currently reviewing Duke's response and will inform Duke of the review results.
Operator Actions Outside-the Control Room Duke.had identified the cold leg accumulator isolation valves as the only valves requiring the operator to leave the control room to reposition in order to achieve cold shutdown.
- Duke agreed to look at the consequences of allowing the cold leg accumulators to inject during cooldown rather than leaving the control room to isolate the accumulators.
-:2. ' Safety valve flow rate versus trip parameter (Q430.130)
The NRC will review the response provided by H.~B. Tucker's letter of December 10, 1982.
3.
Conformance to RSB 5-2 (Q440.131 and 132)
Duke provided a response to both questions in H. B. Tucker's letter of December 10,
- 1982. Q440.131 will be reviewed further by Power Systems and Auxiliary Syst.ms.
Q440.132 was closed.
4.
IGHt pump protection with NC System partially drained (Q440.133 and 140)
Duke provided a response in H. B. Tucker's letter of December 10, 1982. This item was closed.
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5.
Survey of insulation inside containment (Q440.139) l Duke provided a response in H. B. Tucker's letter of December 10, 1982. This item was closed.
6.
Spurious movement of valves; RHR interlocks (Q440.141)
Power Systems is reviewing Duke response to Q440.106 and 108. PSB requested l
that Duke also provide the type of lockout and the description of control room indication.
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7.
Removal of automatic isolation of miniflow line (Q440.142)
Duke was requested to provide an analysis to show that results were not unacceptable with the miniflow line open.
8.
ECCS leak detection (Q440.144)
Duke provided a response in H. B. Tucker's letter of December 10, 1982. This item was closed.
9.
Non-seismic piping on miniflow line (Q440.126)
Duke agreed to provide a response.
10.
Resetting ECCS after an SI signal (Q440.145) l Duke agreed to look at the feasibility of instructing the operator not to reset ECCS for 10 minutes after initiation.
11.
Containment flooding (Q440.48)
This item is being reviewed by RSB and PSB. Duke will provide additional input in response to Q430.13.
December 14,-1982 12.
Continuation of discussion of Q440.141 (Item 6 above)
Duke agreed to review a list of typical ECCS valves (attached) which was provided by the NRC Staff, and advise the Staff if the position of these valves is alarmed in the 1.47 Bypass Panel logic.
13.
Continuation of discussion of Q440.145 (Item 10 above)
The Staff asked Duke to review the scenario discussed in NUREG-0138 (small break LOCA, operator resets SI, followed by loss of offsito power) and to determine if the load sequencer would shed the ECCS pumps.
14.
Sizing of RWST (Q440.136)
Duke provided a response in H. B. Tucker's letter of December 10, 1982. This item was closed.
15.
Steam generator tube rupture (Q440.149, 150 and 450.04)
With representatives from the Accident Evaluation Branch in attendance, the credit taken for SG PORVs and pressurizer PORVs in mitigating a SGTR was discussed.
Duke was requested to describe the qualifications of the SG PORVs.
- 16. _ Boron dilution (Q440.88 and 92)
Duke is still working on this item and will provide a response for NRC Staff review.
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i 17.
Locked reactor coolant pump rotor (Q440.128)
The Staff is still' reviewing the response provided by Duke in'FSAR Revision 6.
18.
LOCA analysis (Q440.146 and 147)
A response to both_ questions will be provided by Duke for NRC Staff review.
19.
NPSH (Q440.137)
Duke committed to provide a response to this question.
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