ML20125B954
| ML20125B954 | |
| Person / Time | |
|---|---|
| Site: | Monticello  |
| Issue date: | 03/15/1977 |
| From: | Mayer L NORTHERN STATES POWER CO. |
| To: | James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| References | |
| LER-LER-770315-01, LER-LER-770315-1, NUDOCS 9212100227 | |
| Download: ML20125B954 (3) | |
Text
NORTHERN 5 TATE 5 POWER COMPANY MIN N E A PO Ll e, MIN N E S OTA 9 9401 Mr J G Keppler, Director, Region III office of Irspection & Enforcement U S Nuclear Regulatory Connission 799 Roosevelt Road Glen Ellyn, IL 60137
Dear Mr Keppler:
MONTICELLO NUCLEAR CDiERATING PIANT Docket No. 50-263 License No. DPR-22 Torus Water Volume Less than Technical Specification Limit The Licensee Event Report for this occurrence is reproduced on *he back of this letter.
Enclosed are 3 copies.
Yours very tr ly bL L 0 Mayer, PE Maanger of Nuclear Support Services LOM/MHV/deh cc: Director, IE, USNRC (40)
Director, MIPC, USNRC (3)
G Charnoff MPCA Attn:
J W Ferman 9212100227 770315 PDR ADOCK 05000263 S
?)at/0330
-over-
UCENSEE EVENT REPORT CONTROL OLOCK:[ l l
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[PLEASE 'P& NT ALL MEGUIRED.NPORMAT10N) '
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AMI UCENSE NUMBER E
i PE 8 lMlNlMlNlPl1l l010 l-l Ol 010l0 l0 l-l 0 l 0l l4l1 l1 l 1l 1l -l Oll'l 7 89 14 13 25 26 30 31 32 CATEGORT tv 00CNET NUMBER SENT CATE REPOAf CAff
@ECONT I I I W l0 l 5 l 01-10121-6l 31 10 l 3101117l 71 1013 l 1l 517171 78 57 58.
59.
60 -
61 68 69 7^.
73 80 EVENT DESCRIPTION.
l FOLLOWING INSTALLATION OF A REDUNIANT TORUS _ IEliL TRANSMIITER,.i DISCREPANCY WAS j
O
~
7 89 b0 EE l NOTED BEWEEN 11E WO TORUS LEVEL INDICATORS.
INVESTIGATION REVEALED WAT TlE I
-7 89 60
$ l ACTUAL TORUS WLitE WAS 66,775 cu. ft,1,225 cu ft BiiLON mE MINDUM TECH. SPEC.
j 7 89 bil
-@ l TTMTT OF 6R.000 cu. ft.
TORUS WATER VOLUME WAS-RETURNED TO THE NOR*RL OPERATING j
7 89 b0
@ 1 WUBE. ONE PREVIOUS OCCURRENCE.
(M-RO 05)
J b'0
'7 -89 mE CooY COMPONENT CODE fu m u
a votAroN 811 ID J Lal i Il NI SlTl Rl Ul l Al lGl0l8l0l W
7-8 9 -10 11 12
-17 43 44, 47 4a CAUSE DESCRIPfl0N 8 L A GEMAC TYPE 555111ARAA3 ARA dP TRANSMITTER WAS FOUND TO HAVE A FAILED SENSING J
7 89 h0
-h !
RFI TOWS ('AUSING A ZERO SHIFT IN WE OlfrPlff. TRANSMITTER REPLACED.
J 7 89 60 8I J
sfANs s Powin OTHER STATUS O C VERY OiSCOVERY OESCRIPTON 3'
{,fj l1l 0l 0l l NA l
[CJ l COMPARISON TO NEW INDICATOR l
80 10 12 13 44 45 40 g
/8 9
f ET"o - !? Mise 4
AMouNr o, Acon toCArc
$2 l
IN L3 LzJ l NA l
l NA. ?
7 8 9
10 11 -
44 45
/4 "N ' 9 D
60 g
s PERSONNEL - EXPOSURES
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b
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DE I 0101 of LLJ l NA h
278h. dl; l
NuuoER TYPE DESC AsPT ON 60 7 89 11 12 13 y
,f r.
PERSONNEL INJURIES
/
NUWetR DESCRIPTON 4
l GE 1 01 01 cl I NA 7 89 11 12 W
80 0FFSITE CONSEQUENCES 3E l NA l~
7 89 60 LOS$ OR OAMAGE TO FACluTY TYPE DE SCAFTON
' LaJ l NA l
7 8e 10 go PUBUCiTY NA l
h 7 an, go,
l A00lil0NAL FACTORS NA
-l 7.
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go M, b-j 7 89 -
80 612/295-5151
(
NAME:
WilifAM L HILL pwong.
A._,_......
l UCENSEE EVENT REPORT CONTROL DLOCK:( l l
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(PLEASE PRINT ALL REGUteED INFORMATM3N) 1 6
Aus trtNSE NUuB(R "pg gy lMlNlMINlPl1) l0 l 0 l-l Ol 0l 0l0 l0 l-! 0l 0l l4 l1 l1 8 'l1l l 0l1 l 0'
7 89 14 15 25 26 30 31 32 pE Nf cattoo Docuti NuuBER tvtNT DATE REPOA7 DATE ECON 7 l l
l LLJ 10 l 5101-101216l 3l 101310 l ll 7171 1013 l 1l Sl 7l 7l 7 6 57 58 59 60 81 68 69 74 75 80 EENT DESCRIPTON o
l ICLLOWING INSTAL!ATION OF A REDUNIRYT TORUS LEVEL TRANS\\ FITTER, A DISCREPANCY WAS j
7 89
=
60 3 [ NrJTED BETh*EEN THE ThD TORUS LEVEL INDICATORS.INVESTIGATION REVEALED THAT THE l
7 89
$l ACT11AL 1DRUS VOLtBE WAS 66,775 cu. ft,1,225 cu ft BELOh' 'IHE MINIhUM TECH. SPEC.
l 60 7 8@9 bJ l 1 Tm r OF 6R 000 cu. ft.
TORUS WATER VOUAE WAS RETURNED TO ME NOR*tAL OPERATING j
7 8@9 b0 l VnLtBE. ONE PREVIOUS OCCURRENCE.
(M-RO 05)
J 7 89 mt 60 0
CODE COMPONENT C006 JMi M
VOLATON bid lI l D l [f]
l Il Nl SlT l Rl Ul
[_AJ lG l0 l8 l0 l W
7 89 10 11 12 17 43 44 47 ca CAUSE DESCR!PTON
@l A rBtAC TYPE 555111ARAA3 ARA dP TRANSMITTER WAS FOUND TO HAVE A FAILED SENSING
~j 7 89 81 nr1mws musing A ZFR0 91FT IN WE OUTPUT.
TRANSMITTER REPLACED.
j bJ 7 89
[IE I O'O J
' " '.=
7Maal s,e m a c1 ta s1A1u.
otscavia, otsca,1o~
d (1]
l1l 0l 0l l NA l
[CJ l COMPARISON TO NEW INDICATOR l
7 8 9
10 12 13 44 45 46 80 g
RE LIISED0 E ASE AMOUNTt" ACTMTV LOCATON
' ASE 8
L7J LIJ l NA l
l NA 9
l cm x
7 8 9-10 11 44 45 g
'VW\\
60 4
PERSONNEL EXPOSURES
/f 71 Nuusta tvPt otsensrios 1
7 e,
13 I o f ol 01 Lgj i NA t-4 /px en l
7 89 11 12 13 g
^
,t_,
60 PERSONNEL INJUR:ES
'N r,
NUMBER DESCA# TON
'I 8 1 01 01 ni i
NA Q,
,[
_]
7 89 11 12 v
80 OFFSITE CONSEQUENCES 3l NA 1
7 89 LOSS OR DAMAGE TO FACIUTY g
YTFE DESCAFTON (5b] [1]
l NA l
7 89 10 00 PUBLCITY LT] I NA i
7 89 80 ADDITONAL FACTORS
@l NA l
09 60 b !'
l 7 89 60 NAME:
WTI.T I AM mT, HTLL PHCNE: 612/295-5151
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