ML20137H711

Advises That 851220 Response to 851212 Request for Addl Info Re Environ Effects of Main Steam Line & Seismic Interaction Program Insufficient to Complete Review.Summary of Requested Info Listed

ML20137H711
Person / Time
Site:	Millstone
Issue date:	12/24/1985
From:	Noonan V Office of Nuclear Reactor Regulation
To:	Opeka J NORTHEAST NUCLEAR ENERGY CO.
References
NUDOCS 8601210623
Download: ML20137H711 (3)

Text

. . -- - - - . _ _ . . . - . . - - - -

f UNITED STATES y g NUCLEAR REGULATORY COMMISSION 5 *: E WASHINGTON, D. C. 20555 s j

,,,,,# [ REC 241985 1

Docket No.: 50-423 4

Mr. J. F. Opeka Senior Vice President Nuclear Engineering and Operations Northern Nuclear Energy Company P. O. Box 270 Hartford, Connecticut 06141-0270

SUBJECT:

MILLSTONE NUCLEAR POWER STATION, UNIT N0. 3: ENVIRONMENTAL EFFECTS OF MAIN STEAM LINE BREAK AND SEISMIC INTERACTION PROGRAM In reviewing your December 20, 1985 letters on the above subjects we find that they lack sufficient information for us to complete our review. Our information needs were identified to you during a telephone conversation on December 12, 1985, and are briefly summarized below:

J (1) Identify all equipment important to safety that could be affected by the superheat issue.

(2) If the environmental profiles that result from superheat are ,

different from those specified in your environmental

, qualification program, identify the environment (s) that the equipment in (1) above must be qualified to, and discuss the one hour time margin in accordance with the requirements of Reg. Guide 1.89 in cases where one hour cannot he demonstrated.

(3) List the required operating time (s) (for each piece of equipment) for this event.

(4) Provide a failure mode (s) and effects analysis for each piece of equipment that will experience a temperature higher than its qualification temperature. ,

(5) Recently the staff was notified that some Limitorque coerators, qualified under Limitorque test report, have unqualified internal wiring. Discuss this issue for Limitorque operators at Millstone 3.

l (6) Provide a detailed description of criteria used to justify the bounding analyses performed by Sargent & Lundy.

Provide a detailed basis for analysis of piping support

.(7) components such as Hilte Anchor bolts and u-bolts Since the staff will need two weeks prior to the full power commission briefing to review your reports and the information requested in our telecon F

8601210623 851224 PDR ADOCK 05000423 p PDR

e -.

i Mr. J. F. Opeka Northeast Nuclear Energy Company Millstone Nuclear Power Station Unit No. 3 cc:

Gerald Garfield, Esq. Ms. Jane Spector Day, Berry & Howard City Place Federal Energy Regulatory Commission Hartford, Connecticut 06103-3499 825 N. Capitol Street, NE Room 8608C Washington, D.C. 20426 Mr. Maurice R. Scully, Executive Director Mr. Kevin McCarthy, Director Connecticut Municipal Electric Radiation Control Unit Energy Cooperative Department of Environmental Protection 268 Thomas Road Groton, Connecticut 06340 State office Building Hartford, Connecticut 06115 Robert W. Bishop, Esq.

Corporate Secretary Northeast Utilities Post Office Box 270 Hartford, Connecticut 06141 Mr. T. Rebelowski Senior Resident Inspector Office U. S. Nuclear Regulatory Commission Millstone III P. O. Box 615 Waterford, Connecticut 06385 Mr. Michael L. Jones, Manager Project Management Department Massachusetts Municipal Wholesale Electric Company Post Office Box 426 Ludlow, Massachusetts 01056 Regional Administrator U. S. NRC, Region I 631 Park Avenue King of Prussia, Pennsylvania 19406 Mr. Karl Abraham Public Affairs Office, Region I U. S. Nuclear Regulatory Commission, King of Prussia, Pennsylvania 19406

-2 as summarized above, your reports availability date of January 6,1985 will not be enough time to support the full power commission briefing scheduled for January 13, 1985. Please inform me of what actions you will take to provide the necessary staff support to meet the two weeks review time.

Sincerely, ORIGINAL SIGNED BY Vincent Noonan, Director PWR Project Directorate No. 5 Division of PWR Licensing-A cc: H. R.-Denton H. L. Thompson T. M. Novak cc: See next page i

D Distribution:

CDocket File 750-423E";'

NRC'PDR' '~~

Local PDR PD5 Reading OELD E. Jordan V. Noonan

$. Grimes '4 J. Partlow I V. Nerses M. Rushbrook ACRS(10)

' R. Ballard j G. Bagchi P

' PADS:

e kies VNoo n 12 85 mq85 1