ML20073L504
| ML20073L504 | |
| Person / Time | |
|---|---|
| Site: | Hatch  |
| Issue date: | 04/10/1983 |
| From: | Redwanz F GEORGIA POWER CO. |
| To: | |
| Shared Package | |
| ML20073L492 | List: |
| References | |
| NUDOCS 8304210038 | |
| Download: ML20073L504 (13) | |
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321 f'
DOCKET NO.
mten.L UN!T SIRJTDOWNS AND POWER REDUCTIONS UNIT NAME 4-10-83 DATE COMPLETED BY F. J. Redwanz_
March REPORT MONTil TELEPHONE 912-367-7851 1
e.
,$g
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).E' Licensee
,E g
'Cause & Corrective o
No.
-Date g
Eg
.8 s s Event p
g]
Action to Prevent Recurrence H
dE e
j tg g Report #
mo g
83-08 830301 F
55.1 A
5 NA HC HTEX0ID SJAE failed to hold vacuum.
83-09 830303 F
8.6 A
1 NA PE RECOMB High H2 content-offline-no scram.
83-70 830303 P
10.0 A
1 NA.
PE REOCNB Ranp frun above outage.
83-11 830304 F
15.6 A
5 NA Of PUMPXX.
Reactor feed punp controls. -
83-12 830304 F
13.1 A
83-13 830305 S
51.9 H
9'
-NA RB PUFLX';
Fuel Preconditioning ranp.
83-14 830307 F
4.2 A
5 NA CB PUMPXX High recirc vibration alarm.
83-15 830312 F
31.9 B
5 NA IIC HTEXCIID Condenser tube leak inspection.
1 83-16 830315 F
8.3 A
5 NA CB PUMPXX Both recire pumps tripped-reset & restarbed.
83-17 830319 S
2.0 B
5' NA IIA
'IUPBIN Weekly turbine test.
I 2
3 4
7.
' ~
F: Forced Reason:
Method:
Exhibit G-Instructions for Preparation of Dats
}
S: Scheduled A-Equipment' Failure (Explain) 1-Manuel B. Maintenance or Test 2-Manual Scram.
Entry Sheets for Licensee 4 r-3-Automatic Scram.
j Event Report (LER) File (!JUREG. '.
C Refueling.
0161)
.e, D Regulatory Rest:;etion 4 -Continuations E-Operator Training & License Examination
..?!
5-Icad Reduction 1
P 3
F-Admims.ra:ive 9 -Oder (Main)
Exhibit I.Same Source,.
q2
- j G-Operational Erre:(e,,xplain) b.g 1;ks.
s ral77)
Il-Other (Explain)
?
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t s
{d t
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3
50-321 DOCKET NO.
UNIT SI?UTDOWWS AND POWER REDUCTIONS UNIT NAME Ilatch 1 3
DATE 4-10-83
'j.
M rch COMPLETED BY F. J. Pedwanz REPORT MONTII TELEPl!ONE 912-367-7851 "t.
Licensee Eg h"t -
,E g
}
)Y "Cause & Corrective 8
Action to No.
Date g
g
.g g 5 Event p
gU g
Prevent Recurrenc.c H
dE j iji Report #
mo c
i 83-18 830325 F
1.8 A
5 NA CH ilTEXCH Sth stg. A & B feedwater heaters flooded 83-19 830327 S
1.0 B
5 NA HA TURBIN
(%v_ kly turbine test.
83-20 830328 F
15.2 A
3 NA HA TURBIN Rx. scram on DIC power supply failure.
83-21 830329 F
1.1 A
3 NA HA
'IURBIN-Turbine trip.
83-22 830329 F
9.0 B
3 NA CB TURBIN Rx. scram on RFPT daily test.
s
=
I 2
3 4
F: Forced Reason:
Method:
Exhibit G-Instructions I
r I-Manual t
for Preparation of Data y't
?
S: Scheduled A Equipment' Failure (Explain) 2-Manual Scram.
Entry Sheets for Licensee 3 D Maintenance of Test 3-Automatic Scram.
j Event Report (LER) Fife (NUREG-:
C Refu:lin,:.
e 0161)
/
D Regulatory Rest::e: ion 4 -Continuations T'
E. Operator Training & License Examination
..fi 5-Irad Feduction f.
F-Adminis.ra:ive S
G-Operational Errer(' xplain)
- ..g 9-Other (Explain)
Exhibit I Same Source,.
2 g.
3 2
i l
N/77)
Il Other (Explain) t.-
~6
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t g
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NARRATIVE REPORT UNIT 1 March 1st 0430 started increasing recire flow.
March 1st 0745 decreasing to 500 MWe due to condenser
/
vacuum problems.
i March 1st 1900 increasing load to 550 MWe.
March 2nd 0115 increasing load to 590 MWe.
M' arch 2nd 0614 holding power ascension due to uncertainty in condenser vacuum.
March 2nd 1405 reducing power due to condenser vacuum problems.
March 2nd 1514 condenser vacuum stabilizec, load at 334 MWe.
March 2nd 1812 increasing power.
March 2nd 2800 reducing power to swap SJAE's.
March 3rd 0330 stoppeo power reduction at 595.7 CMWT, 136.5 GMWe.
March 3rd 0400 H2 content greater than 4% < in recombiner - LCO written.
March 3rd 0650 reduced load to take main turbine off-line.
March 3rd 0707 turbine tripped.
March 3rd 1020 reactor mode switch to startup.
March 3rd 1100 1A SJAE alligned to "B" recombiner.
March 3rd 1230 reactor mode switch to run.
i March 3ro 1425 commenced turbine roll.
March 3rd 1440 turbine tripped on shaft oil pump low pressure.
March 3rd.
1505 turbine rolling.
March 3ro 1543 generator tied to the grid.
March 4th 0145 stopped power ascension because of problems with "B" RFP.
1
March 4th 0745 decreasing power due to condenser vacuum problems.
March 4th 0920 increasing load to 450 MWe.
March 4th 1212 holding load due to water in RFP lube oil system.
March 4th 1720 increasing power.
March 4th 1841 "B"
TIP being repaired.
March 5th 0850 increasing power.
March 7th 1240 reducing load because of hi vibration on "B"
recirc pump.
March 7th 1330 stopped load reduction G 456 GMWe.
March 7th 1420 increasing power to 600 GMWe.
March 8th 1940 recirc hi speed stops reached, holding load until stop's are reset.
March llth 1742 reducing load to 700 MWe to reset recirc stops.
March lith 1745 returning to 750 MWe per procedure.
March llth 2323 recirc stops reset.
March 12th 0403 received half scram on "A"
channel due to low water level trip.
March 12th 0830 relay replaced, half scram reset.
March 12th 1840 105% rated careflow reached.
March 12th 2105 load reduction for we3kly turbine testing and to inspect condenser for tube leaks.
March 13th 2220 increasing load to 450 MWe.
March 14th 0500 started preconditioning.
ifarch 14th 1310 started ramp on envelope.
Marca 15th 1340 both recirc pumps tripped.
March 15th 1347 lockout and reset "B"
recirc pump.
March 15th 1349 "A"
recirc pump on.
March 15th 1520 increasing recirc flow.
March 15th 2200 started preconditioning.
2
4 March-19th 1940 reducing loao to 2720 MWe for WTT March 19th 2000 load reduction stopped at 2208 CMWT, 719.9 GMWe.
March 19th 2120 increasing reactor power.
March 25th 0930 5th stage "A"
and "B"
feedwater heaters flooded reduced flow from 76 6
6
_(10 ) lbs/hr to 54 (10 ) lbs/hr.
March 25th 1050 increasing reactor power.
March 28th 1238 reactor scram on EHC
. cower supply failure.
March 28th
~
2140 reactor critical.
March 28th 2313 turbine reset.
March 29th 0200 reactor mode switch to run.
March 29th 0340 main turbine rolling.
March 29th 0352 turbine trip.
March 29th 0401 turbine reset and rolling.
March 29th 0440 generator tied to line.
March 29th 0506 reactor scram on low water level while performing reactor feedpump turbina daily test.
March 29th 0722 pulling rods.
March 29th 0952 reactor critical.
March 29th 1221 mode switch to run.
1 March 29th 1315 turbine rolling.
March 29th 1359 generator tied to line.
3
NARRATIVE REPORT UNIT 2 Hatch Unit 2 was limited to 70% thermal power for the month of March due to high offgas activity and to meet the scheduled refueling window.
9 4
i HATCH 1 SAFETY-RELATED MAINTENANCE REQUESTS TO BE REPORTED FOR March 1983 NUMBER DATE COMPLETED DESCRIPTION 82-5916 03-07-83 Fabricate orifice couplings
^
(3) for D/G air compressor start pressure switches.
j I
82-7256 03-04-83 Grout in the (2) open 3"
diameter penetrations caused by removing (2) 1 1/2" lines from TIP wall in East Cableway.
83-1424 02-25-83 Fabricate leakage packing piping for MSIV drain valve.
5
~'
HATCH 2 SAFETY-RELATED MAINTENANCE REQUESTS TO BE REPORTED FOR March 1983 NUMBER DATE COMPLETED DESCRIPTION 82-348 02-26-63 Install conduit supports for torus water temp. monitoring system.
82-1487 02-17-83 Mount microcomputer on North
'b' wall of the main control room for Rx.
bldg.
vent monitor.
82-1581 02-16-83 Seal or repair air seals in all penetrations for 1251250 VAC station service battery system.
82-1706 02-17-83 Fabricate & install supports raceway for Rx.
Bldg.
effluent monitoring system.
82-1758 03-01-83 Mount safety switch.
82-1784 03-01-83 Mount GRAB sample control panel.
82-1785 02-11-83 Mount microcomputer.
82-1831 02-17-83 Pull cables for Rx.
Bldg.
Vent.
effluent monitoring system.
82-1857 02-17-83 Install (mount) relay 2Dll-VZ12A TBS in panel 2011-D002A & mount terminal block TB-5 in panel 2Dll-D0028.
82-1940 02-17-83 Core drill & install conduit penetrations for conduits 2MT6905 2MT4789 for Rx.
Bldg.
effluent monitoring system.
82-2261 02-17-83 Install L&N recorder 2011-RR-R631 in panel Hil-P689 for Rx. Bldg. vent stack rad. monitoring.
82-2265 02-17-83 Replace circuit breaker in MCC 2R24-S011 Fr.
2DL for Rx.
Bldg.
stack rad monitoring.
6
4
~
82-2409 02-17-83 Terminate cables for Rx.
Bldg. vent stack monitoring.
82-2473 02-17-83 Exchange 2
OAT bkr.
in 2R24-S018A F35L with 5 OAT bkr.
in MCC 2C 2R24-S011-FR2DL.
82-3858 02-17-83 Install hardware in turbine bldg.
for rx.
bldg.
vent stack monitoring.
82-4310 02-17-83 Drill & grout 3"
core bore in east turbine bldg.
wall for rx.
b1dg.
vent high range rad. monitoring.
82-5582 02-22-83 Reroute RCIC turbine governor end bearing lube oil lines.
82-5751 01-20-83 Fabricate install three piece intake structure roof hatch covers.
82-6014 02-08-83 Replace temporary 0-100 PSIO Bartons with permanent 0-40 PSIO Barton's calibrate the permanent switches.
83-81 02-01-83 Replace hydraulic snubber.
- t 83-111' 02-18-83 Paint nitrogen storage tank fill & bypass line supports.83-118 02-14-83 Run piping & install valves for nitrogen storage tank fill line & bypass line.
4 4
7
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