ML19289D862

Monthly Operating Rept for Feb 1979

ML19289D862
Person / Time
Site:	Brunswick
Issue date:	03/01/1979
From:	Willis E CAROLINA POWER & LIGHT CO.
To:
Shared Package
ML19289D858	List: ML19289D857 ML19289D862
References
NUDOCS 7903190269
Download: ML19289D862 (9)

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iK)Cl;l:T !'O. 050-0325 p UT!!T Brunswick No. 1 D/sTE N 2rch 19/9 COM!'I.lii1:D uy Eulis A. Wil]is OPERATIONS SU.TiARY Brunswick No. 1 Brunswick Unit No. I was shut down the entire month of February for refuelius; The unit is expected back on line April 8, 1979.

There are 154 PWR and 144 BWR spent fuel assemblies stored in BSEP Unit No. 1. These numbers do not incluJe any increase due to the present refuelim; outages since fuel movement was still in progress, b

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'O (;, ; j 'j Brunswick :;o_ . 2

. 1)/.Tli March _1979 CO.' IPl.l' I i i) iW Eulis A. tl111is OPERATIOSS SU."J1ARY Iirunswic k :10. 2 The availe ili t.y f ac t o r f or lirunswick l'a i t No. 2 was 9d.9x for the nonth of February with the unit being off line only 7.1 hours1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />.

Februarv 4: Reactor scrar.med and unit separated f roi:. ;; rid due to level and pressure control instability.

Power was reduce.! approximately 33 hours3.819444e-4 days <br />0.00917 hours <br />5.456349e-5 weeks <br />1.25565e-5 months <br /> prior to the scram to support a periodic test and all turbine valve tests. These reasons along wit h f uel conservation, in preparation for an upcoming refueling outap,e, resulted in a 74.K capacity factor for the month. For further explanation of outages and power reductions, see the u n i t. shotdown and power reductions log (Appendix D) for the month of February.

There are 28 PWil spent fuel assemblies stored in BSEP Unit So. z.

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UNIT SilUlDOWNS AND POWER REDUCTIONS DOCKET NO. 050-0324 UNIT N ANTE Brunswick No. ?

D ATE '! arch 1. 1979 REPORT MONTil February 1979 COMPLETED BY rul i s A. wiljis TELEPHONE M1H 557-6701 .

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., iE _; @. _;a Lisernec ,E -r, L

% Da te g"? Cause & Corrective c.

-  ; E. ,7 i E .3- Event u? c.

Action .o x-fI d. jg- Report a EC v) U g' Present Recurrence 6

003 790203 F 34.9 p, 1 N/A CD VALVEX Cause- Reduced reactor power to 142 to support MSIV performance periodic test and also all turbine valve test-ing. Power was reduced belo., 50; due to nain steam line "A" being isolated in order to prevent excessive stean flow in the two remaininp stean lines during valve testin;'. See Outage No.19-002 for a description of the prob-len en nain stean line "A".

Corrective Action: l'ouer rena ined at 149l: for the remainder of the weekend as requested by the loaJ dis utcher

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ier core mana',ement.

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I 3 4 f for sed Re.non Method: Exhibit G . Instructions S. Ss heduled A 1 quipn:ent Fadure (I splain) 1 -Ma n ual for Prep.ir. tion of Data IOM.nnten.nu e of Test 2-Manu4 Scram.

C Retocluu. Er.try Sheets for Licensee 3 Automatic Scram. Esent Report (LER) Fi!c (NUP.EG-D-Regulaio 3 Resinction 4-Other ( E xplain )

1 Operator Trainmg & Lice. c Fxamination 0161)

I:- AJ nu n nt ralis e 5

G Operanonal I nur (liplain e er'77) Il Oihes (l'splam) Esinbit I Same Source

h .s Q:.h UNIT SilUIDOWNS AND POWER REDUCTIONS DOCKET NO. 050-012'.

UNIT N AME Browrict ::o . 2 DATE :tarch 1, 19/9 COMPLETED BY Foii" A. 1?illis REPORT MONTil Fe:>r ua rt 1979 TELEP!iONE (W 9) 457-6701 .

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% Date

-, i?  ; , Literace gg g 1, Cause & Corrective c.

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,7  : E3 - Event  :;; '

cgO'o Action to r

yE s I., g; Report a nV o Present Recurrence

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004 790204 F 7.1 D 3 ';/A .EXXXX

. I F. Cause: Reactor scra med with a Group I isolation due to a reactor nressure transient causing APIDI spikes (tr both channels. This occurret at low power during switchine of reactor feed pumps to perform a vendor recommended contrc' valve and pump trip PT. The PT was performed on one RFP satisfactorily and it uas placed in automatic. tihen speed

• eas being reduced on the other REP to be)in the PT, reactor level instability occurred leadinn to a recirculation pump runback and reactor high pressure pipe. Turbiae con r<1 valve movement during the trann:ent m a '. have caused the pr.ssure spike, Corrective Action: Reactor se rm 'tas result of level instability and pres-niro control instability while t

2 3 f for sed . 4 Re.n on Method:

S S, hed uled A-l .pnpn:ciu failure (Explain) Exhibit G -Instructions 1 Manual for Preparation of Dat.:

II. Maintenance of Test 2 Manual Scram.

c.Retucting Entr> Sheets for Licensee 3 Automatic Scram. Esent Report (LLRI File (NUREG-D-Regn!atory Resaietion 4 Other (Expl.iin) 0161) i Operator Tranung & l.icense 1 xanur..itmn 1 AJounntr.itise 5 G Operauonal I nor (tiplam) er77) It-Othei(ITptam) Esinbit !- Same Source

C) O O .

MW NO. O UNil SilUIDOWNS AND POWER REDUCTIONS ',run e r ,

UNIT N AME 40 .

DATE March 1 19/u R EPOR T MON iil Februarv 1979 (C,o n t d ) COMPLETED BY Fu l i

• A. k'i l l i c p (919) 0 7--6/01

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4 h" ~4 Liceraec [ r, $% Cause & Correctise 4 2:$ Eve nt ;7 c-3 Action to 2

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Report a $0 hU u Present Resurrence 6

performing feed pump PT. The Turbine EUC Systen and the Feedwater Control S'. sten will be fine-tuned durir.? the upconing refuelinp outage in order to eliminate instability problems.

I 2 3 4 l'. I oised Rea u .n .

Method:

% Ss hed uled E stubit C - Instru.tions A.I qu:pment failure (Esplain) 1 Manual for Preparatma of Data ll M nnten.inse or Test 2 Manual Scram. Entry Sheets for Licensee C Reti. cling 3.Aut>,matic Scram.

D Regulator _. Rest ristion Event Repor (LER) File (NUREG-4-Other (Explain) 0161)

I' r)perator Tianung & License Exanunation 1 Adnunnisatise 5 G Oiserational I nos (l splain) cr77) li Ot her (INplain i E shibis 1 - Same Source