ML20073M635

Forwards Monthly Operating Repts for Mar 1983

ML20073M635
Person / Time
Site:	Hatch
Issue date:	04/08/1983
From:	Nix H GEORGIA POWER CO.
To:	Office of Nuclear Reactor Regulation
References
GM-83-363, NUDOCS 8304220163
Download: ML20073M635 (1)

Text

-.

~ Georgl] Pow:r Ccmpany Post Offica Box 439 Bixl;y, Georgia 31513 Telephone 912 367-7781 912 537-9444 GeorgiaPbwer Edwin I. Hatch Nuclear Plant April 8, 1983 GM-83-363 PLANT E.

I.

HATCH NRC Monthly Operating Report Office of Plans and Schedules Directorate of Licensing United States Nuclear Regulatory Commission Washington, D.

C.

20545

Dear Sir:

Per Tech Specs section 6.9.1.6 please find attached the NRC Monthly Operating Report for Hatch Unit 1, Docket #50-321, and for Hatch Unit 2,. Docket #50-366.

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!(

321 DOCKET NO.

UNIT S!!UTDOWNS AND POWER REDUCTIONS UNIT NA'!E MM1 DATE 4-10-83 i

March COMPLETED BY F. J. Bedwanz REPORT MONTH TELEPHONE 912-367-7851 i

e.

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)Y Licensee

,E g c".,--

'Cause & Corrective No.

Date g

Eg

.355 Event p

[g Action to H

dE jg Repor: #

m0 Prevent Recurrencc g

o 83-08 830301 F

55.1 A

5 NA HC HTEXCHD SJAE failed to hold vacutzn.

83-09 830303 F

8.6 A

1 NA PE RECOMB High H2 content-offline-no scram.

83-70 830303 F

10.0 A

1 NA PE RECOMB Ranp frun above outage.

83-11 830304 F

15.6 A

5 NA CH PUMPXX.

Reactor feed purrp controls..

83-12 830304 F

13.1 A

5 NA IE INSTRU TIP Repair.

i 83-13 830305 S

51.9 H

9' NA RB FUFLXX Fuel Preaanditioning ranp.

83-14 830307 F

4.2 A

5 NA CB PUMPXX High recire vibration alarm.

83-15 830312 F

31.9 B

5 NA HC llTEXCHD Condenser tube leak inspection.

83-16 830315 F

8.3 A

5 NA CB PUMPXX Both recirc punps tripped-reset & restarbed.

83-17 830319 S

2.0 B

5 ~

NA HA TJRBIN Weekly turbine test.

1 1

2 3

4 J3 F: Forced Reason:

Method:

Exhibit G. Instructions O

S: Scheduled A Equipment' Failure (Explain)

I-Manual t

for Preparation of Data fj

)

2-Manual Scram.

Entry Sheets for Licensee. e i

B Maintenance or Test 3-Automatic Scram.

}

Event Report (LER) File (NUREG. :

C. Refueling;.

OI6I)

~

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D. Regulatory Rest:;ction 4 -Continuations 5-Ioad Reduction

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9 -Other (Explain)

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5 f7 F.Adminis,ra:ive g.

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50-321

}'

DOCKET NO.

UNITSI;UTDOWNS AND POWER REDUCTIONS UNIT NAME ilatch 1

-j DATE 4-10-83

j

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March COMPLETED BY F. J. RedWanz

'j i

REPORT MONTH TELEPllONE 912-367-7851 4

.$ ?

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j;5g Report #

v2 O W

a 83-18 830325 F

1.8 A

5 NA CH' ilTEXCH 5th stg. A & B feedwater heaters flooded ik. kly turbine test.

83-19 830327 S

1.0 B

5 NA IR

'IURBIN '

e 4

83-20 830328 F

15.2 A

3 NA HA

'IURBIN Rx. scram on EllC power supply failure.

83-21 830329 F

1.1 A

3 NA la

'IURBIN-Turbine trip.

83-22 830329 F

9.0 B

3 NA CB

'IURBIN Rx. scram on RFPT daily test.

l 1

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4 c

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i B. Maintenance of Test d,

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}

Event Report (LER) Fife (NUREG. :

0161)

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^ Ip*

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c

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s

NARRATIVE REPORT UNIT 1 March 1st 0430 started increasing recirc flow.

l March 1st 0745 decreasing to 500 MWe due to condenser j

vacuum problems.

March 1st 1900 increasing load to 550 MWe.

March 2nd 0115 increasing load to 590 MWe.

March 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 stabilizeo, load at 334 MWe.

March 2nd 1812 increasing power.

March 2nd 2800 reducing power to swap SJAE's.

March 3rd 0330 stopped 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.

M' arch 3rd 1020 reactor mode switch to startup.

March 3rd 1100 1A SJAE alligned to "B" recombiner.

March 3rd 1230 reactor mode switch to run.

March 3ro 1425 commenced turbine roll.

l March 3rd 1440 turbine tripped on shaft oil pump low l

pressure.

l l

March 3rd 1505 turbine rolling.

March 3rd 1543 generator tied to the grid.

i March 4th 0145 stopped power ascension because of l

problems with "B" RFP.

1 l

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 a 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 llth 1745 returning to 750 MWe per procedure.

March lith 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

'340 105% rated careflow reached.

March 12th 2105 load reduction for weekly turbine testing and to inspect condenser for tube leaks.

March 13th 2220 increasing load to 450 MWe.

March 14th 0500 started preconditioning.

March 14th 1310 started ramp on envelope.

March 15th 1340 both recirc pumps tripped.

March 15th 1347 lockout and reset "B" recirc pump.

March 15th 1349 "A"

recirc pump on.

l March 15th 1520 increasing recirc flow.

March 15th 2200 started preconditioning.

2 l

March 19th 1940 reducing load to 2720 MWe for WTT

' March 19th 2000 load reduction stopped at 2208 CHWT, 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 power 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 turbine daily test.

March 29th 0722 pulling rods.

March 29th 0952 reactor critical.

l March 29th 1221 mode switch to run.

l March 29th 1315 turbine rolling.

March 29th 1359 generator tied to line.

l l

}

3 l

E.

NARRATIVE REPORT UNIT.2 Hatch Unit 2'was limited to 70% thermal power for the month of i

March - due to high offgas activity and to meet the scheduled refueling window.

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HATCH 1 SAFETY-RELATED MAINTENANCE' REQUESTS 7; ~,'

TO BE REPORTED FOR March 1983 NUMBER OkTE COMPLETED DESCRIPTION 5916 03-07-83 Fabricate orifice couplings

. )

(3) for D/G air compressor start pressure switches.

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i 82-7256 03-04 Grout' in' the (2) open 3"

diameter penetrations caused by removing (2) 1 1/2" lines.

s from TIP wall in East Cableway.

, 1424 02-25-83

' Fabricate leakage packing piping for MSIV drain valve.

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HATCH 2 SAFETY-RELATED MAINTENANCE REQUESTS TO BE REPORTED FOR March 1983 NUMBER DATE COMPLETED DESCRIPTION 82-348 02-26-83 Install conduit supports for torus water temp. monitoring l'

system.

,f 82-1487 02-17-83 Mount microcomputer on North 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 03-01-63 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 TB5 in panel 2Dll-0002A & 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 2D11-RR-R631 in panel H11-P689 for Rx.

Bldg.

vent stack rad. monitoring.

82-2265 02-17-83 Replace circuit breaker in MCC 2R24-S0ll Fr.

2DL for Rx.

Bldg.

stack rad monitoring.

6

82-2409 02-17-83

. Terminate cables for.

Rx.

81dg. vent stack monitoring.

82-2473 02-17-83 Exchange 2

OAT bkr.

in 2R24-S018A F35L with 5 OAT bkr.

in MCC 2C 2R24-S0ll-FR2DL.

82-3858 02-17-83 Install hardware in turbine b1dg.

for rx.

bldg.

vent stack monitoring.

82-4310 02-17-83 Drill & grout 3"

core bore in east turbine-bldg. _ all w

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.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.

7