ML20196B129
| ML20196B129 | |
| Person / Time | |
|---|---|
| Site: | Seabrook  |
| Issue date: | 11/30/1988 |
| From: | George Thomas PUBLIC SERVICE CO. OF NEW HAMPSHIRE |
| To: | NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM) |
| References | |
| GL-88-11, NYN-88155, NUDOCS 8812060199 | |
| Download: ML20196B129 (2) | |
Text
_ _ _ _ _ _ _ _ _ _ _ - _ _ _ _ _ _ _ _ _.
4 e
George 5. Thomas I.
vu he.ioermucw moovenon i
P@te servios of New Haviptike
{
New Hampshire Yankee Division NYN-88155 November 30, 1988 United States Nuclear Regulatory Comission Washington, DC 20555 Attention Document Control Desk References (a)
Facility Operating License No. NPF 56, Docket No. 50-443 (b) USNRC Generic Letter 88-11 dated July 12, 1988, 'NRC Position l
on Radiation Embrittlement of Reactor Yvssel Materials and its Impact on Plant Operations' i
Subject:
Response to USNRC Generic Letter 88 11
(
Gentlemen:
l New Hampshire Yankee (NHY) has reviewed Reference (b) and has determined that in order to maintain compliance with Section V of 10CFR50 Appendix G. a change to the Technical Specifications will be required prior to exceeding
- e. ven (11) Effective Full Power Years (EFPY) of operation. This change will affect Reactor Coolant System Technical Specification 3/4.4.9, and associated BASES discussion regarding Revision 2 to Regulatory Guide 1.99 computational L
methods for determining RTHDT shif t wMeh is then used to develop plant heatup and ecoldown curves. The current heatup and cooldown curvos are based upon Revision 1 to Regulatory Guide 1.99 and, as stated above, are correct until
[
eleven EFPY.
j Generic Letter 88-11 requires that any required changes to Technical Specifications be submitted for opproval within two refueling outages after the effective date of Revision 2 to Regulatory G9H e 1.99.
New Hampshire Yankee anticipates submittal of these required char.ges prior to its second refueling i
outage.
f t
8812060199 es1130 f
ADOCK0500g3 3
00 DR t
i P.O. Box 300.Seabrook NH 03874. Telephone (603) 474 9574
4 o.
United States Nuclear Regulatory Commission November 30, 1988 Attention:
Document Control Desk Page 2 Should you require additional information please contact Mr. Robert A. Gwinn at (603) 474-9574, extension 4056.
Very truly yours,
.4% c D f
eorgvS. Thomas cci Hr. William T. Russell Regional Administrator Region I United States Nuclear Regulatory Commission 475 Allendale Road King of Prussia PA 19406 Mr. Victor Nerses Project Manager Project Directorate I-3 Division of Reactor Projects United States Nuclear Regulatory Commission Washington, DC 20555 Mr. David G. Ruscitto NRC Senior Resident Inspector P.O. Box 1149 Seabrook NH 03874