ML20215G488
| ML20215G488 | |
| Person / Time | |
|---|---|
| Site: | LaSalle  |
| Issue date: | 06/12/1987 |
| From: | Muller D Office of Nuclear Reactor Regulation |
| To: | Farrar D COMMONWEALTH EDISON CO. |
| References | |
| TAC-59107, TAC-59108, NUDOCS 8706230276 | |
| Download: ML20215G488 (3) | |
Text
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June 12,1987 Dockets Nos:
50-373 DISTRIBUTION and 50-374
.. Dockets Wiles k...
JPartlow f
PD III-2 Rdg. File PD III-2 Plant File i
Mr. Dennis L. Farrar GHolahan J
Director of Nuclear Licensing EHylton Commonwealth Edison Company PShemanski P.O. Box 767 OGC-Bethesda Chicago, Illinois 60690 EJordan
Dear Mr. Farrar:
SUBJECT:
ADDITIONAL INFORMATION ON IMPLEMENTATION OF 10 CFR 50.62 ATWS RULE - LASALLE COUNTY STATION, UNITS 1 AND 2, TAC NOS.
59107, 59108 By letter dated April 6,1987, you submitted a response for the LSCS ATWS design compared to the guidelines set forth in the NRC Safety Evaluation of Topical Report (NEDE-31096-P). As a result of our review of your submittal, we find that we need additional information in order to complete our review.
Enclosed please find the additional information requested.
If you should have any questions, please contact Paul Shemanski, Project Manger,at(301)492-8375.
Sincerely' Original signed by/
Daniel R. Muller Project Directorate III-2 Division of Reactor Projects - III, IV, V and Special Projects
Enclosure:
As stated cc: w/ enclosure See next page P. r.
a PD III-2:PM P y -2:LA P
2:PD PShemanski:bj E 1,1bn D
er 6/9/87
. p_/87 6 A/87 8706230276 870612 PDR ADOCK 05000373:
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' Mr. ' Dennis L. Farrar la Salle County Nuclear Power Station Commonwealth Edison Company Units 1 & 2' 1
q l
I cc:
Philip P. Steptoe, Esquire John W. McCaffrey
' Suite 4200 Chief, Public Utilities Division One'First National Plaza 160 North La Salle Street, Room 900 Chicago,-Illinois 60603 Chicago, Illinois 60601-
.)
Assistant Attorney General 188. West Randolph Street j
' Suite 2315-1
' Chicago, Illinois-60601
]
1 Resident Inspector /LaSalle, NPS l
U.S. Nuclear Regulatory Commission Rural Route No. 1 P. O. Box 224 Marseilles Illinois 61341 Chairman La-Salle County Board of Supervisors La Salle County Courthouse-'
Ottawa, Illinois 61350 Attorney General 500 South 2nd Street Springfield, Illinois 62701 Chairman Illinois Comerce Commission
'Le1and Building 527 East. Capitol Avenue Springfield, Illinois :62706 Mr. Gary N. Wright, Manager Nuclear Facility Safety Illinois Department of Nuclear Safety.
1035 Outer Park Drive, 5th Floor Springfield, Illinois' 62704 Regional Administrator, Region III U. S. Nuclear Regulatory Comission 799 Rossevelt Road
' Glen Ellyn, Illinois.60137 i
%I
)-
f Enclosure l
ATTACHMENT-REQUEST FOR ADDITIONAL INFORMATION l
Provide the following information regarding the proposed two pump standby i
liquid control system (SLCS) equivalency requirement:
Describe how the equivalent flow requirement will be met 1. e., by 10 increasing the concentration of the solution or the enrichment of B
)
i What total two pump flow (gpm) will be achieved?
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