ML20203N968

Requests Scheduling Flexibility for Implementation of Recommendations Resulting from 860716 SER Re Emergency Diesel Operators.Concurrence within 30 Days Requested

ML20203N968
Person / Time
Site:	Fermi
Issue date:	10/14/1986
From:	Agosti F DETROIT EDISON CO.
To:	Adensam E Office of Nuclear Reactor Regulation
References
VP-86-0145, VP-86-145, NUDOCS 8610200155
Download: ML20203N968 (3)

Text

.

.V P$s nt Nuclear operations r

Detroit

,-u 6400 North Dixie Highway e

Newport, Michigan 48166 Nuclear l

(313) 586-4150 operations October 14, 1906 VP-86-0145 t

Office of Huclear' Reactor Regulation fic. Elinor G. Adencam, Director Project Directorate-No. 3 Divicion of BUR Licensing U.

S.

Nuclear Regulatory Commiccion Wachington, D.

C.

20555

Reference:

1)

Formi 2 URC Licenco Iio. UPF-43

!1RC Docket No. 50-341 2)

" Safety Evaluation of the Fermi 2 Emergency Diecol Conerators (EDG) ",

dated July 16, 1986 3)

Detroit Edison to URC Letter, " Emergency Diocel Generatorc", VP- 06-0 099, d ated July 24, 1906 t

Subject:

Detroit Edison's Rocponce to Safety Evaluation of the Fermi 2 Emergency Dioccl ceneratorn (EnGo)

Reference 2 providen the staff's evaluation of Detroit Edicon's corrective actions regarding the Fermi 2 EDGG.

Although the ctaff ic in agreement that Detroit Edison hac demonstrated that there is reasonable accurance the dicceln will function ac a reliable oncito power cource, the ctaff ic not in complete accord with the propoced bearing inspection program.

Thus, more restrictive incpection requirementa are presented in the SER.

Reference 3 providoc Edison's concurrence uith the more rectrictive requirementa until an alternative ic agreed upon by the ctaff.

Detroit Edicon has reviewed the CDG cafety evaluation and commita to follou and innlcment the ctaff'n position.

However, ue do requect that come ccheduling flexibility be permitted in the implementation of thoce commitments an-follows:

\\

8610200155 861014

{A0 ADOCK 0500034 gDR 9p

Ms. Elinor G. Adencam October.14, 1986 VP-86-0145 Page 2 Regarding the special. visual inspection of the top half of bearing No. 13 on the upper crankline of EDG Uo. 13, it will be performed within the " envelope of acceptability";

i.e. when the number of engine starto is comparable to those in the Demonstration Tect Program.

Mouevar, we request that from the day the cpecial visual. inspection must be done the time of 30 days be allowed for the performance of the inspection.

Similarly, ue do agree that after each automatic unprelubricated (i.e. " dry") start of the engines, a gap check inspection of the main bearings will be conducted.

For thic condition, we request that from the day the dry start takes place the time of seven days be allowed for the performance of.the gap check.

There requents do not compromise nor do they minimize the effect and intent of the staff's positionc. They merely allow the Fermi 2 operators the flexibility to plan for the inspections, and conduct them in an orderly manner, at the boat-time possible and tak ing into consideration the ctatus of the plant.

Also, Detroit Edison feelc that during the time period (seven days or 30 days) that an incpection is due, operation of the plant will be allowed to continue an scheduled.

During this time period the EDGs uill be considered operable.

Inspections will be performed on one division of the oncite AC power cource at a time after it has been declared inoperable.

It is understood that the Technical Specification 3/4.0.1 requirements will be applicable, negarding the ntaf f 's recommend ations for good maintenance practices Detroit Edison comments as folloun:

1)

Fermi 2 han a well documented comprehensive preventive maintenance program for dieselc; maintenance procedures are reviewed once every tuo yearc for accurance that they are up-to-d a t e.

2)

Recently, a thorough training cf a number of maintenance and CA personnel that vould be involved in dieccl activitiec was acconnliched at a qualified offaite facility.

The Nuclear Training Department alco offers EDG training to maintenance personnel.

.. ~

, ~, ' '.

Mc. Elinor G. Adencan October 14, 1906 VP-86-0145 Page 3 In vieu of the fact that operation of Fermi 2 may be affected by the above, we requent that your concurrence be provided within 30 days from receipt of thic correspondence.

Should you require more information on thic matter, please contact Mr. Paul Christofakin at (313) 586-4072.

Sincerely, "Q? ( -

$~

cc:

Mr.

M.

D.

Lynch Mr.

U.

G.

Rogern Mr. G. C. Uright USURC Document Control Doch Uachington, D. C.

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