ML19263C394

LER 79-001/01X-0 on 790209:during Normal Operation, Determined That License Submittal for Operation at 2,700 Mwt Failed to Indicate That Credit for One Charging Pump Was Taken in Small Break LOCA Analysis.Cause Forthcoming

ML19263C394
Person / Time
Site:	Calvert Cliffs
Issue date:	02/12/1979
From:	Carroll J BALTIMORE GAS & ELECTRIC CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
LER-79-001-01X, LER-79-1-1X, NUDOCS 7902220056
Download: ML19263C394 (1)

Text

. ..e , o ,ca m .. ..v m n n vv.,.,v.,, . . . _ . , .

I7 77)

LICENSEE EVENT REPORT CONipot atOCx; [))_1 l l

@ (PLE ASE PRINT OR T YPE ALL RE QUf RED INF ORM ATtON)

Io I l 8[_M 1D l C Cl N l 114l@l150 0 - 0 0 0l0l0l- 0 0 l@[1] l 1l1 l!@l57 LAI l M

l@

7 9 LICE NsF E COD [ t lCE NSE NUMBE H ib 26 L iLE NSE TYPE 30 CON'T 8

7 8

[{n"', [ L J@l 0 l 5 ] 0 l 0 l 0 l 3 l 1 l 7 l@l 0 l2 l 0 l 9 l 7 l 9 74l@ 750 l 2HEPOHT 60 61 DOCKET NUVBER 68 69 EVENT DATE l 1 l 2 l 7 l 9 doJ @

DAT E EVE N J JESCRIPTION AND PROB ABLE CONSEQUENCE A

[ojjtj [yuring normal operation it was determined that the license submittal for l

[o TTl I operation at 2700 MWth failed to indicate that credit for one charaina l o 4 pump was taken in the small break LOCA analysis. Pending resolution of this 'l o 3 l discrepancy reactor power of both Units 1 and 2 has been reducsd to 2560 MWth. l lo lc i l A. E. Lundvall's letter to R. W. Reid of 2/12/79 describes this event. I o 7 l 1 0 8 l  !

C DE CODE SUBCO E COVPONENT CODE SUBC DE S ODE o o Izlzi@ [xjg l _

l@ l zl zl zl zl zj z g t zjg [ zlg 7 8 9 10 11 12 13 18 19 20

_ SEQUENTI AL OCCU R H E N CE REPORT REVISION LE R/RO EVE NT YE AH REPORT NO. CODE TYPE N O.

@ RgoRT

_ 21 17 9l 22 l-23 101011 l 24 26 l/l 27 l Ol ll 28 29 30 Xl l-l 31 W

32 AKEr ACT ON ON PLA T T HOURS 22 S B IT D FOR b B. SUPPLIE MAN FA L RER

[X_J@l 33 34 X l@ [ B_j@

35 36 zl@ l 0 10 37 0 l0 l 40 41 Nl@ lN 42

]@ Iz 43 l@ 44 zl9l9l9l@ 47 CA' SE DESCRIPTION AND CORRECTIVE ACTIONS 3 o l Cause description and corrective action will be detailed in the follow-up [

, i report. t I

li l?l l i a i l l i l 41 1 I 7 8 9 80 STA ,S  % POWE R OTHE R STATUS Dl5 O RY DI5COV E RY DE SCRIPTION li 15 ! l E lg l0 l 9 l 8 lgl NA l l D [gj NA l

ACTIVITY CONTENT RE LE ASED OF RELF ASE AYOUNT OF ACTIVl1Y LOCATION OF RE LE ASE NA l l NA l li !c l8[9Z_] @ l Z 7 10 l@l 11 44 45 80 PE RSONNEL F MPOSURES IiI2ll0310l@iIl@f""5A

, l nRsONNJ'isu n S

'V

• NU, eE R ot SCn.P T,0N @ -

c l i l s l (_._0_ l 0 0 @l NA / t, j 7 8 9 11 12 80 LOSS nPE OF DESCR OR D AMAGE TO F ACillTY @-

Pr,ON 790222 00 % j l i l 98 9l W@l10 7

NA 80 7 8 9 issp l 2 l o l L _ZlF8L_

UE SCR IP110N 10 NA MOD 68 E9 llllllllll lllh P3 g N AME OF PREPARER J . T . Carroll g g gy g . (301) 234-7943