ML20210V295
| ML20210V295 | |
| Person / Time | |
|---|---|
| Site: | Callaway  |
| Issue date: | 09/11/1997 |
| From: | Westreich B NRC (Affiliation Not Assigned) |
| To: | Randolph G UNION ELECTRIC CO. |
| References | |
| GL-96-06, GL-96-6, TAC-M96791, NUDOCS 9709230235 | |
| Download: ML20210V295 (3) | |
Text
r Sept:mber 11, 1997 Mr. Garry'L. Randolph Vice President and Chief Nuclear Officer Union Electric Company Post Office Box 620 fulton, Missouri 65251
SUBJECT:
REQUEST FOR ADDITIONAL lodORMATION PERTAINING TO GENERIC LETTER (GL) 96 06. " ASSURANCE OF EQUIPMENT OPERABILITY AND CONTAINMENT INTEGRITY DURING DESIGN BASIS ACCIDENT CONDIT!0NS" (TAC NO. M96791)
Dear Mr. Randolph:
By letters dated October 30, 1996, and January 28. 1997. Union Electric (UE) submitted its 30 day and 120 day responses to GL 96 06, in order to review UE's actions with respect to the two phase flow and waterhammer issues discussed in GL 96 06 for the Callaway plant, the NRC staff requires additional information. Our request for additional information (RAl) is included as an enclosure to this letter.
Please provide your response to the staff's RAI within 60 days of the date of this letter in order to support the staff's review schedule, if you have any questions regarding the content of this RAI, please contact me at (301) 415-3456.
Sincerely.
Original Signed By Barry C. Westreich Project Manager Project Directorate IV 2 Division of Reactor Projects Ill/lV Office of Nuclear Reactor Regulation Docket No. 50-483
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Enclosure:
Request for Additional PUBLIC ACRS. TWFN Information-PDIV-2 Reading OGC. 01581B EAdensam (EGA1) JTatum cc w/ encl:
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DOCUMENT NAME-CALLAWAY.RAI 0FC P_DlV-2/PM PDIV-2/LA NAME' M Yreich EPfyf6F DATE 9/I'/97 9/ll/97 OFFICIAL RECORD COPY 9709230235 970911g3 DR ADOCK 05 on w
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'o Mr. Garry L. Randolph September 11, 1997 cc w/ enc 1:
Professional Nuclear Mr. Otto L. Maynard Consulting. Inc.
President and Chief Executive Officer 19041 Raines Drive Wolf Creek Nuclear Operating Corporation Derwood. Maryland 20855 P.O. Box 411 Burlington, Kansas 66839 Gerald Charnoff. Esq.
Thomas A. Baxter. Esq.
Mr. Dan I. Bolef President Shaw Pittman. Potts & Trowbridge Kay Drey, Representative 2300 N. Street. N.W.
Board of Directors Coalition Washington, D.C.
20037 for the Environment 6267 Delmar Boulevard Mr. H. D. Bono University City, Missouri 63130 Supervising Engineer.
Site Licensing Mr. Lee Fritz Union Electric Company Presiding Commissioner Post Office Box 620 Callaway County Court House Fulton. Missouri 65251 10 East Fifth Street Fulton, Missouri 65151 U.S. Nuclear Regulatory Commission Resident Inspector Office Mr. Alan C. Passwater. Manager 8201 NRC Road Licensing and Fuels Steedman Missouri 65077-1302 Union Electric Company Post Office Box 66149 Mr. J. V. Laux. Manager St. Louis, Missouri 63166 6149 Quality Assurance Union Electric Company Post Office Box 620 Fulton Missouri 65251 Hanager - Electric Department Missouri Public Service Commission 301 W. High Post Office Box 360 Jefferson City Missouri 65102 Regional Administrator. Region IV U.S. Nuclear Re
-Harris Tower & gulatory Comission Pavilion 611 Ryan Plaza Drive. Suite 400
- Arlington. Texas 76011 8064 fr. Ronald A. Kucera. Deputy Director Department of Natural f;esources
'P.O. Box 176 Jefferson City. Missouri 65102
Enclosure REQUEST FOR ADDITIONAL INFORMATION FOR REVIEW OF THE TWO PHASE FLOW AND WATERHAMMER ISSUES DISCUSSED IN GENERIC LETTER 96 06 CALLAWAY PLANT. UNIT 1 The NRC staff requests that Union Electric submit the following information pertaining to the two phase flow and waterhammer issues discussed in GL 96 06 for the Callaway plant:
1.
A complete description of the waterhammer and two phase flow analysis that provides enough detailed information about the analysis methodologies and assumptions that were used to allow the staff to complete an independent assessment of the analysis:
2.
Documentation for the actual analyses that were performed, along with any background and other supporting information that is necessary for the staff to complete an independent assessment of the analysis: and 3.
A copy of the most recent P&lDs (piping and instrumentation diagrams) for the system in question and the associated piping elevation diagrams.
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