ML20215M532
| ML20215M532 | |
| Person / Time | |
|---|---|
| Site: | Waterford  |
| Issue date: | 05/11/1987 |
| From: | Joshua Wilson Office of Nuclear Reactor Regulation |
| To: | Dewease J LOUISIANA POWER & LIGHT CO. |
| References | |
| TAC-61525, NUDOCS 8705140003 | |
| Download: ML20215M532 (3) | |
Text
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May 11, 1987 Docket No. 50-382 Mr. J. G. Dewease-Senior Vice President -
Nuclear Operations Louisiana Power and Light Company 317 Baronne St., Mail Unit 17-New Orleans, Lousiana 70160 1
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Dear Mr. Dewease:
SUBJECT:
NATURAL CIRCULATION, BORON MIXING AND C00LDOWN TEST (TAC 61525)
By letter dated February 29, 1984, Lousiana Power and Light Company submittal 1
CEN-259, "An Evaluation of the Natural Circulation Cooldown Test Performed at the San Onofre Nuclear Generating Station," to demonstrate conformance with-
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the design requirements of Branch Technical Position RSB 5-1.
The NRC staff and its contractors from Brookhaven National Laboratory have been reviewing the report and have concluded that additional information is needed in order j
for the staff to complete its review.
1 You are requested to provide the information requested in Enclosure 1 by COB l
j on May 29, 1987.
If you have any questions about this request, please con-tact me at (301) 492-9403.
Sincerely, I
Ja/s/' Wilson, Project Manager mes H.
ProjectDirectorate-IV DivisionofReactorProjects-III, IV, V_and Special Projects
Enclosure:
2 As stated I
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.May 11, 1987 i
3 Mr. Jerrold G. Dewease Waterford 3 Louisiana Power & Light Company CC:
W. Malcolm Stevenson, Esq.
Regional Administrator, Region IV j
Monroe & Leman U.S. Nuclear Regulatory Commission-1432 Whitney Building Office of Executive Director for Operations New Orleans, Louisiana 70103 611 Ryan Plaza Drive, Suite 1000 i
Mr. E. Blake Arlington, Texas ~76011 Shaw, Pittman, Potts & Trowbridge 2300 N Street, NW Carole H. Burnstein, Esq.
Washington, D.C.
20037 445 Walnut Street:
New Orleans, Louisiana 70118 Mr. Gary L. Groesch 3
Post Office Box 791169 Mr. Charles B. Brinkman,-Manager New Orleans, Louisiana 70179-1169 Washington Nuclear Operations 4
Combustion Engineering Inc.
Mr. F. J. Drummond 7910 Woodmont Avenue Suite 1310 ProjectManager-Nuclear Bethesda, Maryland 10814 I
Louisiana Power & Light Company 317 Baronne Street Mr. William H. Spell Administrator i
New Orleans, Louisiana 70160 NuclearEnergyDivisIon
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1 Office of Environmental Affairs i
Mr. K. W. Cook Post Office Box 14690 Nuclear Su> port and Licensing Manager Baton Rouge, Louisiana 70898 i
Louisiana >ower & Light Company 4
317 Baronne Street President,PolicyJury i
New Orleans, Louisiana 70160 St.' Charles Parris 4
Mahnville, Louisiana 70057 l
Resident Inspector /Waterford NPS 1
Post Office Box 822 Killona, Louisiana 70066
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Mr. Ralph T. Lally i
Manager of Quality Assurance Middle South Servies, Inc.
t Post Office Box 61000 j
New Orleans, Louisiana 70161 Chairman 4:
Louisiana Public Service Commission One American P1 ace Sui
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May 11,1987 -
ENCLOSbRE REQUEST FOR ADDITIONAL INFORMATION FOR WATERFORf, UNIT 3 The following information is needed to evaluate Louisianna Power ano Light's submittal entitled, "An Evaluation of the Natural Circulation Cooldown Test Performed at the San Onofre Nuclear Generating Station," CEN-259.
1.
Technical Specification 3.7.1.3 requires that the condensate storage pool contain a volume of at least 170,.300 gallons during operations in Modes 1, 2 and 3.
What percent of this water is available for cooldown under natural circulation conditions?
2.
Is there any other safety grade cooling water (i.e., in addition to the 170,000 gallons) available for cooldown of Unit 3 under natural circulation conditions? If there is an additional source, then provide an est' mate of the additional amount available.
3.
Describe how the reactor coolant pump (RCP) seals are cooled during natural circulation cooldown. Provide an estimate of the controlled leakoff rate during natural circulation.
1 1
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