ML20248K118
| ML20248K118 | |
| Person / Time | |
|---|---|
| Site: | Arkansas Nuclear  |
| Issue date: | 06/04/1998 |
| From: | William Reckley NRC (Affiliation Not Assigned) |
| To: | Hutchinson C ENTERGY OPERATIONS, INC. |
| References | |
| GL-97-04, GL-97-4, TAC-M99957, TAC-M99958, NUDOCS 9806090437 | |
| Download: ML20248K118 (4) | |
Text
, - _ _ _ _ _ _ _. _
Mr. C. Randy Hutchinson Juna 4,1998 Vice President, Operations ANO Entergy Operations, Inc.
1448 S. R. 333 Russellville, AR 72801
SUBJECT:
REQUEST FOR ADDITIONAL INFORMATION PERTAINING TO THE RESPONSE TO GENERIC LETTER 97-04 FOR ARKANSAS NUCLEAR ONE, UNITS 1 AND 2 (ANO-1 AND ANO-2)(TAC NOS. M99957 AND M99958)
Dear Mr. Hutchinson:
Generic Letter (GL) 97-04," Assurance of Sufficient Net Positive Suction Head for Emergency Core Cooling and Containment Heat Removal Pumps," was issued on October 7, 1997. The GL requested that licensees provide information necessary to confirm the adequacy of the net positive suction head available for emergency core cooling and containment heat removal pumps. By letter dated January 5,1998, Entergy Operations, Inc., submitted its 90 day response to GL 97-04 for ANO-1 and ANO-2. The staff has reviewed your response and has determined that additional information is necessary. Please provide the information in the attached request within 30 days from the date of this letter. Please contact me if you have any questions regarding this request for information.
Sincerely, ORIGINAL SIGNED BY:
William Reckley, Project Manager Project Directorate !V-1 Division of Reactor Projects Ill/IV Office of Nuclear Reactor Regulation Nc,te - The deviation from normal Docket Nos. 50-313 and 50-368 practice (ADT sending a single RAI to DRP) by requiring TB concurrence on
Enclosure:
Request for AdditionalInformation each GL 07-04 RAI prepared by PMs is a reduction in efficiency and may be cc w/ encl: See next page een by attempts to manage the Perf rmance dates (e o., # of A
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June 4, 1998 Mr. C. Randy Hutchinson Vice President, Operations ANO Entergy Operations, Inc.
1448 S. R. 333 Russellville, AR 72801
SUBJECT:
REQUEST FOR ADDITIONAL INFORMATION PERTAINING TO THE RESPONSE TO GENERIC LETTER 97-04 FOR ARKANSAS NUCLEAR ONE, UNITS 1 AND 2 (ANO-1 AND ANO-2) (TAC NOS. M99957 AND M99958)
Dear Mr. Hutchinson:
Generic Letter (GL) 97-04, " Assurance of Sufficient Net Positive Suction Head for Emergency Core Cooling and Containment Heat Removal Pumps," was issued on October 7, 1997. The GL requested that licensees provide information necessary to confirm the adequacy of the net positive suction head available for emergency core cooling and containment heat 1
removal pumps. By letter dated January 5,1998, Entergy Operations, Inc., submitted its 90 day
)
response to GL 97-04 for ANO-1 and ANO-2. The staff has reviewed your response and has determined that additional information is necessary. Please provide the information in the enclosed request within 30 days from the date of this letter. Please contact me if you have any questions regarding this request for information.
Sincerely, W3A s
William Reckley, Project ger Project Directorate IV-1 Division of Reactor Projects lil/IV Office of Nuclear Reactor Regulation Docket Nos. 50-313 and 50-368 i
Enclosure:
Request for AdditionalInformation cc w/ encl: See next page
e Mr. C. Randy Hutchinson Entergy Operations, Inc.
Arkansas Nuclear One, Units 1 & 2 cc:
Executive Vice President Vice President, Operations Support
& Chief Operating Officer Entergy Operations, Inc.
Entergy Operations, Inc.
P. O. Box 31995 P. O. Box 31995 Jackson, MS 39286-1995 Jackson, MS 392CS 1995 Wise, Carter, Child & Caraway Director, Division of Radiation P. O. Box 651 Control and Emergency Management Jackson, MS 39205 Arkansas Department of Health 4815 West Markham Street, Slot 30 Little Rock, AR 72205-3867 Winston & Strawn 1400 L Street, N.W.
Washington, DC 20005-3502 Manager, Rockville Nuclear Licensing Framatone Technologies 1700 Rockville Pike, Suite 525 Rockville, MD 20852 Senior Resident inspector U.S. Nuclear Regulatory Commission P. O. Box 310 London, AR 72847 Regional Administrator, Region IV U.S. Nuclear Regulatory Commission I
611 Ryan Plaza Drive, Suite 400 Artington, TX 76011-8064 l
County Judge of Pope County Pope County Courthouse Russellville, AR 72801 r
9 Reauest for Additional Information Reaardina Response to l
.GL 97-04 for Arkansas Nuclear One (ANOL Units 1 and 2 ANO-1 1.
What is the maximum sump temperature assumed in the NPSH analyses?
2.
What were the inconsistencies identified in the NPSH calculations and how were they corrected?
3.
Will the SAR be updated to reflect the current analysis results? If so, when will the SAR be updated.
ANO-2 1.
What is the maximum sump temperature assumed in the NPSH analyses?
2.
The discussion of head loss for ANO2 describes two different methods. Which method is used for the current licensing basis?
3.
Will the SAR be updated to reflect the current analysis results? If so, when wil! the SAR be updated.
ENCLOSURE
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