ML20084S370

Ro:On 761203,info Received Indicated That Rod Worth Minimizer (RWM) Operability Requirements Should Be Changed from 10% to Below 20% Rated Power.Caused by Review of Rod Drop Accident Analysis

ML20084S370
Person / Time
Site:	Quad Cities
Issue date:	12/03/1976
From:	Kalivianakis N COMMONWEALTH EDISON CO.
To:	Jackiw N, James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20084S364	List: ML20084S361 ML20084S370
References
NJK-76-447, NUDOCS 8306160707
Download: ML20084S370 (1)

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Talscopy: Region III, Attention: Mr. N. Jackiw Il  !

.3 s occember 3, 1976

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3 J, K ppler, Regional Director , ,

I Office of inspection and Enforcement i R;gion ill i U.S. Nuclear Regulatory Comission 799 RoosovoIt Road -

Glen Ellyn, filinois 60137 .

R3forence:

Quad-Cities Nuclear Power Station, Units I and 2 Docket No. 50-254. OPR-29, and 50+265, DPA-30 '

Appendix A Sect ion 3.3.B.3 b, .6.6.B.I.h.

Dear Mr. Keppler:

i The purpose of this letter is to provide you with notification of a Reportable Occurrence as required by Technical Specification 6.6.D.1 within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> of the recurrcnce. ~

Preliminary information received by the station Iridicates that the rod worth rainiraizer (RW.) operability requirement, J'

thould be changed to require Ri!M operability below 20% rated poser.which currently stand has resulted from review of the requirements implied in the flod Drop AccidencThis # change i (RDA) cnalysis HE00-20360 Supplement 3 as changed by~ the Generic Reload Application ~

for ,

6x8 Fuel 1 1

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'rdars have been issued to operating personnel to require Riat operability, or

• a qualified Deca.ber ver*fier after the first twelve rods, below lot power, effective 3, 1976.

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This Dectmber occurrence 3,1976.was discussed by telephone with Mr. W. Jackiw of your office on Report Ro 50-254/76-35 Further inforuction will be provided by Reportable Occurrence this cccurrence. which will be submitted within l's days of the date of bry truly yours, 4 1)HH0fNEALTH EDISON COMPANY IUAD-CITIES NUCLEAR POWER STATION

, F Y~G kJ. Kallvionakis Bctlcn Superintendent pK/Gs/vmb -.

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