. - . _ w

1 - NeMHamoshire-,

i

Toul C. F:.4 , -- -Senior Vice President and -Chief Operating Officer

NYN-90100-

April 26, 1990

United States Nuclear Regulatory CommissionWashington, DC 20555

Attention: Document Control' Desk

References: (a) Facility Operating License Vio.

e' .0',.

m

United Stateo Nuclear Regulatory Commission April 26.-1989Attention: _ Document Control Desk- Page two

* Arnormal Operating Procedure revisions-based upon recommendations-contained in Westinghouse Abnormal Response Guideline ARG-1, " Loss offR3R while operating at Mid-Loop Conditione",;which was delivered by-the Vestinghouse- Owners Group to New Hampshire Yankee representatives-by cover. letter dated March 26, 1990,

A revision to Technical Specificatione to permit the_use of a SafetyTeInjection Pump in connection with aLbackup supply of make-up water tothe RCS. New Hampshire Yankee expects to submit a license amendmentrequest to the NRC-by July 31,:1990, . for this and other Technical =Specification revisions needed to complete the programmatic andhardware enhancements associated with-our response,to Generic Letter88-17.

New Hampshire Yankee will make every effort-to complete.all rescheduledprogrammatic enhancements by December 31, 1990."

.New Hampshire Yankee does not expect to operate.Seabrook Station at'reduced RCS inventory conditions' prior to the first refueling outage,.currently planned for mid-1991. If operStion-at reduced-RCS inventory is:required prior-to the first refueling outage, NHY.will take appropriate-compensatory measures.

Should you have any questions regarding the'above, please contact Mr.Terry L. Harpster, Director of Licensing Sarvices,'at (603)z474-9521,extension 2765.

1Very truly yours,

hlTed C. Feigenbaum

!

|

1,

!

t

!

i

3-

.

- - - --

_______2-____ _- _ - - -_

. ,

, . . , , . .

,. )*..

United States Nuclear Regulatory Commission- April 26, 1989. ;Attentions Document Control Desk Page three ;

cc Mr. Thomas T. MartinRegional AdministratorUnited States Nuclear Regulatory CommissionRegion I ,475 Allendale RoadKing of Prussie., PA 19406

c

Mr. Victor'Nerses, Project Manager :Project Directorate I-3United. States-Nuclear Regulatory CommissionDivision of Reactor Projects

,

Washington. DC 20555 |,

Mr. Noel DudleyNRC Senior Resident InspectorP.O. Box 1149Seabrook, NH 03874

,

L,

'

- !

3

'

,

:

l'