ML20210R588

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Forwards Safety Evaluation Supporting Util 860225,0512,0611 & 0718 Submittals Re GE Topical Rept NEDO-31130, LaSalle Unit 2 Fine Motion CRD Demonstration Test Description
ML20210R588
Person / Time
Site: LaSalle 
Issue date: 08/15/1986
From: Adensam E
Office of Nuclear Reactor Regulation
To: Farrar D
COMMONWEALTH EDISON CO.
Shared Package
ML20210R494 List:
References
NUDOCS 8702170452
Download: ML20210R588 (2)


Text

J ENCLOSURE I[

lg UNITE 3 STATES NUCLEAR REGULA. TORY COMMISSION y,

WASHINGTON. D. C. 20555 August 15, 1986 Docket No. 50-374 g

Mr. Dennis L. Farrar Director of Nuclear Licensing Commonwealth Edison Company P.O. Box 767 Chicago, Illinois 60690

Dear Mr. Farrar:

Subject:

Safety Evaluation of General Electric Company Topical Report NED0-31130, "La Salle Unit 2 Fine Motion Control Rod Drive Demonstration Test Description" Your letter, dated February 25, 1986, and as supplemented by letters dated May 12 June 11, and July 18, 1986, submitted the General Electric Company (GE)

Topical Report NEDO-31130. "La Salle Unit 2 Fine Motion Control Rod Drive Detron-stration Test Description" for our review.

The enclosed Safety Evaluation Report (SER) was prepared by the NRC staff as a result of evaluating your submittals. We find that the proposed Fine Motion Control Rod Drive (FMCRD) Demonstration Test is acceptable for one cycle operation at La Salle Unit 2.

However, a generic problem was determined to have arisen as a result of this review pertaining to a purge line failure causing a high drive i

torperature (see the SER). The staff will pursue the issue with the General Electric Company as a generic issue pertaining to all drives.

In addition, the i

incorporation of the FMCRD Demonstration Test requires review of the Technical Specification exceptions prior to FMCRD installation.

If you should have any questions, please contact Anthony Bournia Project Manager, j

at(301)492-8698.

Sincerely, j

8JW Elinor G. Adensam Director j-BWR Project Directorate No. 3 l

Division of BWR Licensing

Enclosure:

As stated l

cc: See next page l

G7021704S2 070209 PDR ADOCK 05000374 P

pop I-..

Mr. Dennis L. Farrar la Salle County Nuclear Power Station Cormonwealth Edison Company Units 1 & 2 I

cc:

Philip P. Steptoe, Esquire John W. McCaffrey Suite 4200 Chief. Public Utilities Division One First National Plaza 160 North La Salle Street, Room 900 Chicago, Illinois 60603 Chicaco, Illinois 60601 Assistant Attorney General Glenn G. Sherwood, Manager 188 West Randolph Street Safety and Licensing Suite 2315 General Electric Company Chicaoo, Illinois 60601 175 Curtner Avenue San Jose, California 95125 Resident Inspector /LaSalle, NPS U.S. Nuclear Regulatory Commission Rural Route No. 1 P. O. Rox 224 Marseilles, Illinois 61341 Chairrran La Salle County Roard of Supervisors La Salle County Courthouse Ottawa, Illinois 61350 Attorney General 500 South 2nd Street Springfield, Illinois 62701 Chaiman Illinois Commerce Connission Leland Building 527 East Capitol Avenue Springfield Illinois 62706 Mr. Gary N. Wrioht, Manager Nuclear Facility Safety Illinois Deoartment of Nuclear Safety 1035 Outer Park Drive 5th Floor Springfield, Illinois 62704 Regional Administrator, Region III U. S. Nuclear Reculatory Commission 799 Rossevelt Road Glen Ellyn, Illinois 60137 29