ML20042A990
| ML20042A990 | |
| Person / Time | |
|---|---|
| Site: | Hatch  |
| Issue date: | 12/10/1981 |
| From: | Curtis C GEORGIA POWER CO. |
| To: | |
| Shared Package | |
| ML20042A978 | List: |
| References | |
| NUDOCS 8203240364 | |
| Download: ML20042A990 (13) | |
Text
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r 50-321 DCCRET NO.
UNIT SIIUTDOWNS AND POWER REDUCTIONS UNIT N AME
3 E C' i
DATE 12-10-81 floverber COMPLETED BY Chrie M C, itis REPORT MONTIf TELE?iiCNE 912-3 7 7P;1 X.203 I
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.Y Licensee E -r, n
Cause & Corrective o
No.
D.ste g
3g s
j~s Event p
g'Us Action to fE 5
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mO Prevent Recurrence H
ou g
Q 31-76 11-01-81 5
619:03 C
4 r!A FD FUELXX Shutdown for Core Reconstitution 31-77 11-26-81 F
12:22 C
5 NA FD FUELXX 5tartup from Shutd'own 81-78 11-27-81 F
11:34 A
9 f!A HA TURBIrl tain Turbine Tripped 31-19 ll-27-81 F
23:45 A
3 flA HB VALVEX lx Scram on MSIV Closure 81-80 11-28-81 F
6:04 A
5 flA HB VALVEX itartup from Scram 1
2 3
4 F: Ferced Reason:
Method:
Exhibit G Instructiens S: Schedu'ed A Equipment Failure (Explain) 1 Manual for Preparation of Data it Maintenance of Test 2-Mnual Scram.
Entry Sheets fer Licens:e C-Refu: ling 3-Automatie Scram.
Ewnt Repert (LER) File (NUREG.
D Reguhttery Restrictien 4 -Continuations 0161)
E Operator Trair.ing A Ucense Examination 5-Ioad Podt:ction 0
F Adminiytrali e 9 -Other (D< plain) t G 0,rerati mal crror (Explain)
Exhibit I-Same Source
('.3/77)
II Othc r (Ihp!ain) i a
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NARRATIVE REPORT UNIT 1 November 1st Rx shutdown for core reconstitution 00:00 November 24th Rx critical a,t 02:15 November 24th Manual scram mode switch to shutdown at
~
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02:22 November 24th Rx critical at 05:20 November 26th Tied to line at 19:03 November 27 th Main turbine tripped at 07:25 November 27th Rx scram on MSIV closure at 18:59 November 28th Rx critical at 03:56, tied to line at 18:44 e
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1 9
9
IIATCil 1 SAFETY-RELATED MAINTENANCE REQUESTS TO BE REPORTED FOR Novenber 1981
(
N U.'iBER DATE COMPLETED DESCRIPTION T1767H2 11-18-81 Control room pancis Illi-P609 6
Illi-P611 DCR 81-133 adds group I isolation signals to the Piocess Computer digital inputs.
81-7731 11-23-81 Replace "Rx.
vessel low-low 1cyc1" relay on panel 11111 - P6 09.
81-1664 11-20-81 Cut RPV head spray nozzle assy.
approx.
1 1/4" below flange.
81-6898 11-19-81 Install 3/8" tec fitting immediately down-stream of the B21-F051C excess flow check valve.
Install tubing G
the NV-200 valves per sketch B-P-7 9 -H7 S Rev.A.
Capoff the tubing downstream of the P33-F223 valve.
81-4221 11-21-81 Rx recirc MG set 1A.
Investigate apparent.lcakage of oil from main shaft between fluid coupling G MG set.
81-7185 11-18-81 Attach additional plate steel G anchor bolts to the existing enbedded plates l
that support snubber 1B31-SSB8 to the reactor pedestal as per DCR 81-187.
81-7186 11-18-81 Attach to snubber IB31-SSA8.
81_-7187 11-18-81 Attach to snubber 1B31-SSA7.
81-7188 11-18-81 Attach to snubber 1B31-SSB7.
l 81-7262 11-17-81 Chip spalled concrete from area around snubbers base plates for anubbers l
I B31 - SSB7,
B8,A7 G
as per DCR 81-187.
81-7452 11-18-81 Recirc suction line snubbers.
Paint metal baseplates G
rough concrete q
on reactor pedestal per DCR
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i 81-187.
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81 4549 11-22-81 Repair reed switch for rod position 48.
81-4850 11-21-81 Repair reed switch for rod position 12.
81-5309 11-22-81 Repair rod 10.07 position indicator.
81-1672 11-17-81 Repair Icaking SBLC air
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supply valve.
81-1798 10-01-81 Perform all the internal wiring required to complete DCR's77-271 6 80-226.
Also mount the under voltage monitors 6 the fuse blocks 6 install the fuses required for DCR's77-271 6 80-226.
81-3075 11-12-81 Remove bottom ends of the RilR heat exchanger "A"
to allow for inspection to determine if fouling of the heat exchanger has occurred.
81-5701 10-29-81 RilR service water pipe support.
Install pipe support E11 - ISli-il7 05, t
fabricated under MR v
1-81-5730 per DCR 81-58 4
PDCR B2M-165.
81-5702 10-06-81 Install support E11 - ISil-l!7 06.
81-5777 10-06-81 Install support E11 - I Sii-7 03 4 704.
81-6360 09-26-81 Repair "D"
Failed pressure test.
81-6480 10-16-81 Repair "B"
RIIR SW pump.
Failed flow 6 pressure test.
81-7535 11-17-81 Perform NDT on RIIR piping.
81-7619 11-19-81 Inve s t i ga t c<'
core snray testable 61.ec 81-7644 11-20-81 Replac.
- ci c switch on disc.
81-6368 11-12-81 Replace llPCI steam line delta P switch.
81-6403 09-22-81 Replace bonnet gasket on llPCI steam line drain valve.
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81-6965 11-19-81 Preload 6
monitor for settlement the cadwaste solidification loading dock.
4
81-5045 10-30-81 Repair small root valve 81-7198 11-18-81 Rh'CU pump A
CB will not reset. Make repairs.
81-7261 11-17-81 Repair Rh'CU Pump b
81-6596 11-07-81
'Make core drills G
install pipe penetrations for
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penetration numbers 158 G
159 per B-P-78-200-1, Rev.0 81-6832 11-03-81 Core drill control room floor with (2) 6" holes for 4" conduit sleve.
81-4359 11-1981 Perfrom visual Tech Spec sury.
per schedule 4.6.L.I on hydraulic shubbers.
81-6058 11-16-81 Repair RFPT IB flow indicator.
81-6865 11-23-81 Replace bad bearings in "A"
circulating water pump.
81-5898 11-09-81 Repair bad seal Icak on PSW pump "A".
e 81-5921 11-13-81 Repair PSW to
- turb, bid.
Div. I isolation valve 81-6573 11-13-81 Repair seal leaks in PSW pump IB.
81-7152 11-09-81 Repair seal leaks in PSW pump.
81-7615 11-20-81 Repair D/G 1C air comp. 1C1.
81-7708 11-23 81 Repair D/W airlock door 81-1816 11-18-81 Reinstall sight glass T45-D014 as per DCR 79-505.
81-6683 11-16-81 Remove charcoal sampic from B SEGT filter train.
81-7564 11-18-81 Calibrate RIF G R/B Delta P transmitters.
81-7592 11-19-81 Repair control transformer for carbon bed drying
(
heaters on SBGT filter train.
t, 1
5
81-7645 11-20-81 Replace the transformer in the carbon dryer heater controller for SBGT filter train.
81-7510 11-23-81 The into cxistinn 10" fire
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main G install 3 10" valves
,per DCR 81-39.
81-6059 11-12-81 Core drill, sleeve, G grout penetrations for the 4" G
8" supply lines.
81-6372 11-09-81 Install 3
hr.
fire rated penetration seals in cored holes.
81-7454 11-19-81 Install foam in control room floor penetrations per DCR 81-31.
81 4895 11-06-81 Reappl y "Tapecoat" to W. G. T. B. II. V. A. C.
underground piping at areas where excavation is being performed see MR 1-81-992.
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UNITSilUTDOWNS AND FOWER REDUCTIONS DOCKETNO.
50-2C6 UNIT NA3tE
"" ;~' '
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DATE l A-1"-bi REFORT MONT11 flovember CO3fPLETED Dy Diris H. Orrtis TELEPHONE 917-367-hh1 X 203 i
E E
.! ?
3
$.E 5 Licensee E*
EE%
Cause & Currective No.
Date g
3g s
jis Event o
Action to d
5 3 dig Report e NU 5d Prevent Recurrence 3
u O
81-82 11-04-81 F
97:38 A
3 NA HB VALVEX lx Scram on MSIV Closure 31-83 11-08-81 F
34:25 A
5
!!A HB VALVEX 5tartup from Scram 31-84 11-15-81 F
23:00 A
5 ilA RB CO.'1 ROD lod Pattern Adjustment 31-85 11-23-81 F
9:00 A
5 f1A SF XXXXXX iPCI Inop 31-86 11-24-81 F
51:00 A
5
?!A CH HTEXCH Tube Leaks S1-87 11-27-81 F
25:00 A
5 MA SF XXXXXX
.FCI Inverter Inop i
2 3
4 F: Forced Reason:
Method:
Exhibit G-Instructions S: S:hedu!ed A Equipment' Failure (Explain) 1-M:nual for Prep:ratien of Data B.Staintenance of Test 2 Manu:1 Scram.
Entry Sheets for Licerts:e C.Refeeling 3 Automatic Scram.
Event Report (LER) Fir (NUREG-e D Regul: tory Restr!ction 4 -Continuations 0161)
E Operator Tr ining h Ucense Examination 5-Icad PSduction F-Ad nu nist ratis e G.Orcr:tional Error (Explain) 9 -Other (E>Talain) 5 Extiibit I - Same Source til:7) it 0:her (Expt:in) i a
1 M /s e
g
I NARRATIVII REPORT UNIT 2
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November 4th Rx scram on MSIV closure at 15:57 November 8th Rx critical at.05:03, tied to line at 17:35 November 15th Load reduction for rod pattern adjustment
~
at 00:00 November 23rd Load reduction due to IIPCI inop at 18:38 November 24th Load reduction due to tube leaks at 20:48 November 27 th Load reduction due to LPCI inverter nop at 05:10 e
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6
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.IIATCl! 2 SAFETY-RELATED MAINTENANCE REQllESTS TO BE REPORTED FOR November 1981 C
( -
NUMBER DATE COMPLETED DESCRIPTION T1~~3339 11-15-81 IIPCI torus suction valve. Install 6000 ohm. 25 watt field discharge resistor per DCR 80-17.
81-3340 11-14-81 Same as above.
81-3343 11-14-81 IIPCI C.S.T.
suction valve.
Install 6000 ohm.
25 watt field discharge resistor per DCR 80-17.
81-4036 11-18-81 Make wire changes to the liPCI vacuum tank cond., vacuum, G aux.
oil pumps per DCR 79-385.
81-3176 10-29-81 Radwaste solidification piping.
Apply epoxy coating as per DCR 81-51.
.1 A
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