ML20043C046

Provides NRR Rept on Licensee Responses Re Generic Ltr 88-17, Loss of DHR, as Prerequisite to Insp to Take Place After Sufficient Progress Has Been Made for NRC to Make Full Assessment of Programmed Enhancement

ML20043C046
Person / Time
Site:	Millstone
Issue date:	05/29/1990
From:	Vissing G Office of Nuclear Reactor Regulation
To:	Mroczka E CONNECTICUT YANKEE ATOMIC POWER CO.
References
GL-88-17, TAC-69754, NUDOCS 9006010239
Download: ML20043C046 (4)

Text

...

~

C

./#

'o UNITED STATES

^

NUCLEAR REGULATORY COMMISSION o

WASHINGTON, D. C. 20655 Y

\\

/

May.29,-1990 Docket No.-50-336

'1

=

j Mrb Edward J. Mroczka

' Senior Vice President Nuclear Engineering and Operations Connecticut Yankee Atomic. Power Company-Northeast Nuclear Energy: Company P..O. Box 27C Hartford, Connecticut 06141-0270 SUBJECTi PROGRAMMED ENHANCEMENTS FOR GENERIC. LETTER 88-17, " LOSS-OF' -

DECAY HEAT REMOVAL";FOR MILLSTONE, UNIT NO. 2 (TAC NO.~69754)

The NRC staff has completed.its review of all. licensee' responses regarding--

programmed enhancements as defined in-. Generic Letter (GL) 88-17

" Loss of! Decay Heat Removal".- The NRC staff review was. based on.a sampling of-about one-third'.

4 of.all responses. Since the sample did not result in significant comments, the remainder of the responses will not;be reviewed by NRR.. NRC review of-this-phase of GL 88-17 will be accomplished as anninspectionTnder Temporary l

Instruction-(TI) 2515/103 in the NRCfInspection Manual.-:The insaection will take place after you have made sufficient progress for-NRC-to ma ke' a full assessment of-your programed enhancements. This: letter constitutes:the NRR-s l

report stated in paragraph 05.01 as a prerequisite to thel 1.nspection'under TI 2515/103..

L As for your implementation schedule, you indicate that all hardware-related modifications will be completed by the end.of:the refueling outage'following

(

cycle 10 operation. Since this is by the end-of the second refueling 1 outage-t following receipt'of GL 88-17 your schedule'.is~ consistent with the GL and is acceptable. Also, you indicated that programmed enhancements that do not depend on hardware changes will be implemented in parallel with hardware related modifications. This also is acceptable, i

l Additionally, you are requested to inform the NRC in writing of any signifi-cant changes in the estimated completion schedule identified above. You are 3

also requested to inform the NRC in writing:when the action has'actually been i

implemented and the modifications are determined to.be operational.

This request is covered by Office of Management and Budget Clearance Number 3

i:

3150-0011, which expires January 31,1991. The estimated ~ average burden-hours L

is 4 person-hours per owner response,~ including searching-data sources, l

gathering and analyzing the. data, and preparing the letter. These estimated i

average burden-hours pertain only to the identified response-related matters and do not: include the time for actual implementation of the requested' action.

Send coments regarding this burden estimate or any other aspect of this collection of information, including suggestions for reducing this burden, to-J

/Q n

g6)3$$fcNoShh?6 I

Q

1 dl88-17LTR- -

,1 the Information and Records Management Branch, Division of Information Support Services Office of Information' Resources Management, U.S.' Nuclear Regulatory Connission, Washington, D.C. 20555; and to the Pa)erwork Reduction Project.

(3150-0011), Office of Management and Budget, Was11ngton, D.C. 20503.

P. lease contact us should-you have any questions regarding this matter.

Sincerely, j f :-

issing, Senior Project Manager Project Directorate I,

Division of Reactor Projects - I/II j

Office of Nuclear Reactor Regulation cc: See next page h

L i

t l

~ '

i Mr. Edward J. Mrnerka Millstone Nuclear Power Station a

Northeast Mclest Energy Company Unit No. 2 CC:

1 1

Gerald Garfield, Esquire R. M. Kacich, Manager Day, Berry and Howard Generation Facilities Licensing Counselors at Law Northeast Utilities Service Company l

City Place Post Office Box 270 i

Hartford, Connecticut 06103-3499 Hartford, Connecticut 06141-0270 W< b. Pomberg, Vice President D. O. Nordquist hut. lear Operations Director of Quality Services Hortheast Utilities Service Company Northeast Utilities Service Company Post Office Box 270 Post Office Box 270 Hartford,_ Connecticut 06141-0270 Hartford, Connecticut 06141-0270 l

Kevi, MMarthy, Director Regional Administrator Radiation Control Unit Region I Department of Environmental Protection U. S. Nuclear Regulatory Commission State Office Building 475 Allendale Road Hartford, Connecticut 06106 King of Prussia, Pennsylvania 19406 Bradford S. Chase, Under Secretary First Selectmen i

i Energy Division Town of Waterford i

Office of Policy and Management Hall of Records 80 Washington Street 200 Boston Post Road Hartford, Connecticut 06106 Waterford, Connecticut 06385 S. E Scace, Nuclear Station Director W. J. Raymond, Resident Inspector Millsune Nuclear Power Station Millstone Nuclear Power Station Northeast Nuclear Energy Company c/o U. S. Nuclear Regulatory Comissi6n Post Office Box 128 Post Office Box 811 Waterford, Connecticut 06385 Niantic, Connecticut 06357 J. S. Keenan, Nuclear Unit Director Charles Brinkman, Manager Millstone Unit No. 2 Washington Nuclear Operat, ions Northeast Nuclear Energy Company C-E Power Systems Post Office Box 128 Combustion Engineering, Inc.

Waterford. Connecticut 06385 12300 Twinbrook Pkwy Suite 330 Rockville, Maryland 20852 I

i

s GL 88-17 LTR May 29, 1990 the Information and Records Management Branch, Division of Information Support Services, Office of Information Resources Management, U.S. Nuclear Regulatory Commission, W shington, D.C. 20555; and to the Paperwork Reduction Project (3150-0011), Office of Management and Budget, Washington, D.C. 20503.

Please contact us should you have any questions regarding this matter.

Sincerely,

/s/

Guy S. Vissing, Senior Project itanager 3

Project Directorate I-4 Division of Reactor Projects - I/II Office of Nuclear Reactor Regulation cc: See noxt page DISTRIBUTION

~R Docket Jile m.

k NRC & Local'PDRs Plant File S.Varga(14E4)

B. Boger (14A2)

S. Norris G. Vissing OGC(forinformationonly)

E. Jordan (MNBB 3302)

ACRS(10)

E.Wenzinger(RegionI)

C. Trammell H. Balukjian (9

0FC alA:PD yl-4

PM 4

PDiR %-4 NAME 1Shrris ng:rc

JS L

>DATE

5/AS/90

/90 25

/90 0FFICIAL RECORD COPY Document Name: GL 88-17 LTR/1 J