ML20011D440
| ML20011D440 | |
| Person / Time | |
|---|---|
| Site: | Seabrook  |
| Issue date: | 12/19/1989 |
| From: | Feigenbaum T PUBLIC SERVICE CO. OF NEW HAMPSHIRE |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| RTR-NUREG-0896, RTR-NUREG-896 NYN-89168, NUDOCS 8912270223 | |
| Download: ML20011D440 (2) | |
Text
.
"NedH$mpshire.
Ted C. FeMwn -
Senior Vice Prudent od I
Chief Operating Officer NYN-89168
'i December 19, 1989
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United ~ States Nuclear Regulatory Commission Washington, DC 20555 Attention: Document Control Desk l
References:
a) Facility Operating License NPF-67, Docket No. 50-443 i
i b) NURE3-0896. Supplement No. 8, ' Safety Evaluation Report Related to the Operation of Seabrook Station Units 1 and 2' dated May 1989 c) NHY Letter NYN-89052, dated May 1, 1989, Residual Heat i
Removal / Containment Building Spray System Interface
- G. S. Thomas to USNRC d) NHY' Letter NYN-89131, dated October 30, 1989, " Inservice Test Program (IST), Revision 1, Changes
- T. C. Feigenbaum to USNRC
Subject:
Completion of Plant Hodifications Associated with,
SSER 8 Confirmatory Issue No. 61 1
Gentlemen:
Safety Evaluation Report, Supplement No. 8 (SSER 8) for Seabrook Stttion reflected New Hampshire Yankee's (NHY) commitment to expedite the implementation of the design change associated with Confirmatory Issue No. 61.
t This. design change, which NHY previously described in Reference (c), adds an
-additional check valve in series with each of the four existing check valves which provide isolation at the Containment Building Spray System / Residual Heat Removal System interfaces.
The plant modifications associated with l
Confirmatory Issue No. 61 have been completed. The completion of Confirmatory l-Itsue No. 61 was in advance of the previously accepted schedule (prio; to atartup from the first refueling outage).
New Hampshire Yankee previously submitted changes to Revision 1 of the Inservico Test Program (IST) in Reference (d).
The IST Program changes e
reflect the test requirements on the additional check valve: and committed to a backseat verificati m test on each of the CBS/RHR Systems interfacing check
'f
. valves. Testing has been completed in accordance with IST Program commitments i
L
'on Train A.
Train B testing will be completed prior to entry into Mode 4.
1 Implementation documentation associated with the completion of Confirmatory Issue No. 61 is available at Seabrook Station for NRC review.
New Hampshire Yankee requests that the completion of Confirmatory Issue No. 61 be reflected in the next SER supplement.
L 8912270223 891219 PDR ADOCK 05000443 E
PDC Mf New Hampshire Yonkee Umsion of Public Service Company of New Hompshire i
,p P.O. Box 300
- Seabrook, NH 03874
- Telephone (603) 474 9521 w
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. United States Nuclear Regulatory Commission December 19, 1989 Attention Document Control Desk Page 2 Should you have any questions regarding this letter, please contact l
Mr. Terry L. Harpster Director.of Licensing Services, at (603) 474-9521 extension 2765.
j Very truly yours, l
Ted C. Feigenbaum cci Mr. William T. Russell Regional Administrator United States Nuclear Regulatory Cannission
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Region I 475 Allendale Road King of Prussia PA 19406 Mr. Victor Nerses, Project Manager Project Directorate I-3 United States Nuclear Regulatory Commission Division of Reactor Projects Washington, DC 20555 i
Mr. Antone C. Cerne NRC Senior Resident Inspector P.O. Box 1149 Seabrook, NH 03874 t
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