B14345, Forwards Addl Info Re GL 92-01,rev 1, Reactor Vessel Structural Integrity,10CFR50.54(f), in Connection W/Telephone Discussion Held on 930113 W/Nrc Related to Upper Shelf Energy of Plant Reactor Vessel
| ML20127J227 | |
| Person / Time | |
|---|---|
| Site: | Haddam Neck File:Connecticut Yankee Atomic Power Co icon.png |
| Issue date: | 01/15/1993 |
| From: | Opeka J NORTHEAST NUCLEAR ENERGY CO., NORTHEAST UTILITIES |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| Shared Package | |
| ML20127J229 | List: |
| References | |
| B14345, GL-92-01, GL-92-1, NUDOCS 9301250074 | |
| Download: ML20127J227 (3) | |
Text
- - .- -- -. -- - . . . - . . - - .. . - . . - - . .- - - - - . . -
I l NORTHEAST UTELITIES o.n.re cia.. . seio.n sir..i. e.,i.n Conn.cs.cui l .m. .- .w our d E'
.u,x.*"**"*"""" P.O BOX 270 H ARTFORD, CONNECTICUT 00141-o?70 i ,,M 6,. ,
[,'C (( (?03)8% S-5000 January 15, 1993 Docket N.L__iG-211 f!1116 Re: Generic Letter 92-01, Revision 1 i
U.S. Nuclear kegulatory Commission Attention: Document Control Desk Washington, DC 20555 Gentlemen:
Haddam Neck Plant Additional Information Related to the Reactor Vessel Structural Integrity, 10CFR50.54(f)
_(. Generic letter 93-01. Reyliion 11 ._
In a letter dated March 6,1992,f" the NRC Staff issued Generic Letter 92-01, Revision 1, " Reactor Ve::sel Structural Integrity,10CFR50.54{f)." A response to Generic Letter 92 01 was providad on July 6, 1992, and additional information was provided to the Staff in a letter dated December 21, 1992.'
Consistent with telephone discussions held with the NRC Staff on January 13, 1 1993, Connecticut Yankee Atomic Power Company (CYAPC0) is hereby providing additional information related to the upper shelf energy of the Haddam Neck l Plant reactor vessel. This informtion demonstrates that based on Charpy l impact testing, the upper shelf energy for the Haddam Neck Plant reactor ;
vessel remains ab1ve 50 ft-lbs through the end of licensed plant life.
l l
(1) J. G. Partlow latter to All Holders of Operating Licenses or Construction Permits. for Nuclear Power Plants (Except Yankce Atomic Electric Company, Licensee for the Yankee Nuclear Power Station), " Reactor Vessel i structural Integrity, 10CFR50.54(f), (Generic Letter 92-01, Revision 1)," '
dated March 6, 1992.
(2)' J. F. Opeka letter to the U.S. Nuclear Regulatory Commission, " Reactor Vessel Structural Integrity, -10CFR50.54(f), (Generic letter 92-0],- ,
Revision 1)," dated July _6, 1992. _
i (3) J. F. Opeka letter to _the U.S. Nuclear Regulatory Commission, " Additional l Information Related to the Rea: tor Vessel Structural- Integrity l 10CF50.54(f), (Generic letter 92-01, Revision 1)," dated December 21, 1992.
I 9301250074 930115 PDR ADOCR-0"400213 2100,fun i P PDR . ff osaw stv 4-es -
N -.. ,n,,, . , . , - . ... - - _ - - . .., . . - . ~ . -l
i -
' . s i
U.S. Nuclear Regulatory Commission B14345/Page 2 January 15, 1993 1
i
- In accordance with 10CFR50.54(f), CYAPCO, on behalf of the Haddam Neck Plant,
. hereby proviries the attached additional information to supplement the j " Required Information" section in the generic letter. ,
l If you have any questions, please contact us.
Very truly yours,
- CONNECTICUT YANKEE ATOMIC POWER COMPANY 1
b' -
+ %-
i 3. F. Opeka)
Executive Vice Pres .i nt
} Enclosure i ,
l cc: T. T. Martin, Region 1 Administrator i A. B. Wang, NRC Project Manager, Haddam Neck Plant W. J. Raymond, Senior Resident inspector, Haddam Neck Plant i
Subscribed ano sworn to before me this,/_[_dayof j
.s 4 , 1923 l 'Mh4pcL' b - []hgbe':_
j Notary PM1ic Date Commission Expires: d L 3/ 9 3 i :
i e <
1 e
. ~
, . , . . + ._ .. .2 __. ,g-,.w....w-, -. - ..,4 k
1 . j Docket No. 50-213 BL11%
f i
s i
J 1
4 1
i
- l l HADDAM NECK PLANT i
i
- Additional Information for the 4
Respanse to Generic Letter 92-01 2
i t
i i
i i
i 1
January 1993 t
., _ _ _ . _