ML20050C122

Ro:On 820228,safety Injection & Reactor Trip Occurred During Attempt to Synchronize Unit.Also on 820228,boron Concentration in Boron Injecton Tank Fell Below Min Required Level

ML20050C122
Person / Time
Site:	Farley
Issue date:	03/12/1982
From:	Clayton F ALABAMA POWER CO.
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
NUDOCS 8204080159
Download: ML20050C122 (1)

Text

Meiling Address Alabama Power Company -

$C3 North 18th Street g lb Post Office Box 2641 N' Birmingham, Alabama 35291 g Telephone 205 783-f481

$ p, F. L. Clayton, Jr.  % -

Senior Vece President Flintridge BuildinD 9'l AbNI 1 M Wit t~.,,

12 Alaban)a Power

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l982D y tre srwen e rc system L March 12, 1982 m 03 P un Docket No. 50-364 b.

Mr. J. P. O'Reilly -

U. S. Nuclear Regulatory Commitsion Region II ,

Suite 3100 -

101 Marietta Street, N.W.

Atlanta, GA 30303

Subject:

J.M. Farley Nuclear Plant Special Report-Unit 2

Reference:

Technical Specification 3.5.2

Dear Mr. O'Reilly:

This report is being submitted as requi red by Techni-cal Specification 3.5.2.b.

At 2308 on 2-28-82 an inadvertent safety injection and reactor trip was experienced during an attempt to synchronize the unit. The safety injection occurred when the main generator instantaneously picked up 300 MWe load which reduced the S/G pressure below the SI setpoint. The maximum number of occurrences of actuation of the safety injection considered in the Westinghouse design transient analysis is fifty (50). This is the second safety injec-tion experienced on Unit 2 at Farley while in a hot condi-tion (Modes 4 through 1). Modifications have been made to the DEH program to prevent recurrence.

Also, at 2308 on 2-28-82, the boron concentration in the boron injection tank fell below the minimum required by Tech. Spec. 3.5.4.1 (7817 ppm versus 20,000 ppm requir-ed) due to the safety injection. Batching of the boron injection tank was begun and the boron concentration was returned to the minimum Tech. Spec. requirements at 1955 on 3-1-82.

Yours very

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/ ~JP

. L. Cl ayton , J r.

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