ML20211F916

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Responds to NRC Re Violation Noted in Insp Rept 50-400/86-24.Corrective Actions:Spent Fuel Pool Pumped Out to Allow Continuation of Const Activities.Operator Disciplined for Failure to Use Available Resources
ML20211F916
Person / Time
Site: Harris 
Issue date: 06/04/1986
From: Joseph Willis
CAROLINA POWER & LIGHT CO.
To: Grace J
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
CON-NRC-453 HO-860304-(), HO-860304-(0), NUDOCS 8606190162
Download: ML20211F916 (3)


Text

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Cp&L f'h

  • Carolina Power & tight Company

,, a d e. gU g SHEARON HARRIS NUCLEAR PROJECT P. O. Box 101 New Hill, North Carolina 27562

.M 0 4 bc6 File Number:

SHF/10-13510E Letter Number: HO-860304 (0)

Dr. J. Nelson Crace NRC-453 United States Nuclear Regulatory Commission Region II 101 Marietta Street, Northwest (Suite 2900)

Atlanta, Georgia 30323

Dear Dr. Grace:

In reference to your letter of May 5,1986, referring to RII:

50-400/86-24-02, the attached is Carolina Power & Light Company's reply to the violation identified in Enclosure 1.

It is considered that the corrective actions taken are satisfactory for resolution of the item.

Thank you for your consideration in this matter.

Yours very truly, e

J. L. Willis Plant Manager Harris Nuclear Project RAW /Ime Attachment cc: Messrs. C. Maxwell (NRC-SHNPP)

B. C. Buckley (NRC) 8606190162 860604 DR ADOCK 05000400 PDR MEM/H0-8603040/ PACE 1/OSI t

i TEDI

r-Dr. J. Nelson Grace Page 2 NRC-453 Attachment to CP&L Letter of Response to NRC Report RII:

l 50-400/86-24-02 l

10 CFR 50.55(f)(1) requires CP&L to implement the quality assurance program described or referenced in the Preliminary i

Safety Analysis Report. Section 1.8.5.5 of the CP&L Quality l

Assurance Program requires that measures be established to insure that activities are conducted in accordance with documented instructions, procedures, and approved drawings.

i Contrary to the above, on April 8, 1986, a clearance center control operator, while initiating a clearance procedure, failed L

to use the appropriate drawings to insure that the spent fuel pool l

cooling system would be returned to an isolated status. The clearance was issued and performed as written, which allowed

(

draining the Refueling Water Storage Tank to the spent fuel pool.

This is a Severity Level V violation (Supplement II).

Denial or Admission and Reason for the Violation:

The violation is correct as stated.

l The violation occurred when a clearance was being removed from a Spent Fuel Pool Cooling Pump strainer. The removal section of the clearance specified opening suction valves from the Refueling Water Storage Tank (RWST) and the Spent Fuel Pool No.1.

fr' hen i

these valves were opened, water drained from the RWST to the Spent Fuel Pool No. 1.

The pool was flooded to about 1 feet forcing construction personnel working in the pool to evacuate.

l The principal causes of the event are poor communications and inattention to detail. The operator responsible for the clearance specified a removal line-up that " opened" the valves that were required to be " closed" by the clearance. The operator did not consult process flow drawings in making this decision. The Start-Up Engineer was informed of the removal line-up but he assumed that the removal line-up had been checked more thoroughly.

Corrective Steps Taken and Results Achieved:

The spent fuel pool was subsequently pumped out to allow continuation of construction activities. The event did not have any adverse consequences on safety-related structures within the spent fuel pool.

1 l

MEN /HO-8603040/PAGE 3/0S1

T s

Dr. J. Nelson Grace Page 3 NRC-453 Corrective Steps Taken to Avoid Further Noncompliance:

The operator involved has been disciplined for his failure to use available resources for restoration of the clearance.

Each shift has been briefed on this incident and cautioned to use appropriate prints, operating procedures and plant conditions when restoring clearances. In addition a Shift Note (No. OP-Oll-86) has been issued providing guidance on restoration of equipment or systems after the clearance is canceled.

Start-up engineers were cautioned to be more thorough in providing guidance to operators on restoring valve lineups.

Date When Full Compliance Was Achieved:

Full compliance was achieved on May 1, 1986.

MEM/HO-8603040/PAGE 4/0S1