ML20083K340

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Monthly Operating Repts for Mar 1984
ML20083K340
Person / Time
Site: Hatch  
Issue date: 03/31/1984
From: Mcbay M, Nix H
GEORGIA POWER CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
References
GM-84-314, NUDOCS 8404160138
Download: ML20083K340 (17)
v • d • e


Text

1r OPEHATING DATA REPORT DOCKET NO.

50-321 DATE 04-10-84 2

COWLETED BY: M. G. McBay f

TELEPHONE (912) 367-7851 OPERATING ST'ATUS

{

Notes 1.

Unit Name: q. I. Hatch Nuclear Plant Unit 1 2.

Reporting Period: 03-84 3.

Licensed Thdrmal Poner (MWt): 2436 4.

Nameplate Rdting'(Gross MWe): 809.3 5.

Design' Elect'rical Rating (Net MWe): 777.3 G Maximum Depe'ndable Capacity (Gross MWe): 801.2 7.

Maximum Dependable Capacity (Net MWe): 752.2 8,

If Changes decur in Capacity Ratings (Items Number 3 through 7) Since Last Report, Give Reasons:

10. Reasons for lto Which Restricted, If Any (Net MWe) 9.

Power Level Restrictions, If Any:

This Month Yr-to-Date Cumulative

11. Eburs In Reqorting Period 744 2184 72311
12. Number of Hours Reactor was Critical 592.0 1515.6 51040.7
13. Reactor Resdrve Shutdown Hours 0

0 0

14. Hours Generator On-Line 512.3 1419.5 47812.5
15. Unit Reservd Shutdown Hours 0

0 0

15. Gross Thermal Energy Generated (MWH) 1014102 3161286 100379314
17. Gross Electrical Energy Generated (MWH) 316770 1024280 32482450
18. Net Electrical Energy Generated (MWH) 299371 972904 30832267
19. Unit Servicd Factor 68.9 65.0 66.1
20. Unit Availao(111ty Factor 68.9 65.0 66.1
21. Unit Capacity Factor (using MDC Net) 53.5 59.2 56.7

~ 22. Unit Capacity Factor (Using DEH Net) 51.8 57.3 54.9

23. Unit Forced Dutage Rate 31.1 32.4 18.9
24. Shutdowns Scheduled Over Next 6 Months (Type, Date, ano Duration of Each):

1

25. If Shutdown at End of Report Period, Estimated Date of Startup:
26. Units in Test Status (Prior to Commercial Operation):

Forecast Achieveo i

INITIAd CRITICALITY O

INITIAU ELECTRICITY m

COMERCIAL OPERATION 8404160138 840331 PDR ADOCK 05000 R

(9/77)

g AVERAE DAILY UNIT POWER LEVEL 3

.g 1

- DOCKET NO.-

50-321 OATE:

04-10-84 COMPLETED BY:.M. G. McBay TELEPHONE

-(912).367-7851 1

i MONTH 03-84f l

OAY-AVEN AE DAILY POWER LEVEL DAY

. AVERA E DAILY POWER LEVEL

' [. (MWe-Net)

(MWe-Net) n

=

1-

.'6-17 567

"-2.

-6 18.

690 3

-6~

19 727

-4

-7:

20 729 5

. -7 21.

731-6'

-8' 22 728 7 23 717 8

z.279 24

. 592 9

310' 25 712 10

, f 186 26 733 11 1

--15' 27:

731 12

-14'-

28 729 13 l

101,-

29 729 14-

, 315' 30 71 5

)

405' 31 564 15' 16

},

562-(9/77) 1 I

w

~,

1

Y OPEHATING DATA' REPORT'-

4 00CKET NO.

!50-366 OATE-04-10-84.

COWLETED BY: M. G. McBay :

i

-TELEPHONE (912) 367-7851

~

OPERATING STATUS'

.l..

-Notes

. l. Lunit Name_:' q.? I.- Httch Nuclear Plant Unit 2

'2. fReporting Period: 03-84

- 3. ' Licensed Thermal Power (MWt):: 2436

4.. Nameplate Nating-(Gross MWe):~ 817.0' l5. - Design Electrical Rating,(Net' MWe):.784.0.

'66, Maximum Dependable.CapacityL(Gross MWe):--803.9 7

Maximum Dependable Capacity (Net MWe): 747.9 A8.,1f Dianges Occur in Capacity Ratings '(Items Number 3 through 7) Since Last Report, Give Reasons:

.9.

Power Level :to Which Restricted, If! Any. (Net MWe):

.10.cReasons for %strictions, If Any:-

This Month Yr-to-Date Cumulative 111. Hours. In Reporting Period 744 2184 39937

-12. Number of Hobrs Reactor was Critical 0.0 308.2 27379.4

'_13. Reactor;Resek W Shutdown Hours

0. 0 0

0 114. Hours Generator.On-Line 0.0 308.2 26096.1

.15. tmit Reserve' Shutdown Hours 0.0 0

0 16.; Gross Thermal Energy Generated'(MWH)1 0

726912 55943167

17. Gross Electrical Energy l Generated (MWH) 0.

242640 18414420

18. Net Electrical Energy Generated (MWH)

-2141 225917 17515024

.19.'. Unit Service' Factor:

0.0 14.1 65.3 20.' Unit Availability Factor 0.0 14.1 65.3 21._ Unit. Capacity Factor _(using MOC Net)

-0.4 13.8 58.6

' 22. Unit Capacity Factor:(Using DER Net)

-0.4 13.2 55.9 23.' Unit' Forced Outage Rate '

0.0

0. 0 -

13.1

. 24. Shutdowns Scheduled Over Next 6 Months (Type, Date,. and Duration of Each):

25.L If Shutdown bt End of Report' Period, Estimated Oate of Startup:

26. Units in Test Status -(Prior to Commercial Operation):

Forecast Achieved

' INITIAL CRITICALITY-INITIAliELECTRICITY' COMPERCIAL OPERATION (9n7)

.i AVERAE DAILY UNIT.' POWER LEVEL

~

a k-DOCKET NO.

'50-366 j

DATE:

04-10-84 j.

CO W LETED BY: M.- G. McBay 4-TELEPHONE (912) 367-7851

.!j e-s

' MONTH' 03-84' :'-

s DAYc AVEHACE DAILY POWER LEVELJ DAY AVERAGE DAILY power LEVEL g 9 (MWe-Net)

(MWe-Net) 3 _

1-17 '

2 3

18

-3 3

- '19

-3 4'

- 20

-3 5

3 21

-3

- 6 3

22

-3^

7

t

. -3 23 8

-- 3 24

-3 9-

, - 3 25

-3

.-:10-

'-3 26

-3

,,.11 3,

27

-3 12 3

28

-2

13. - _

p.'

3 29

-2 j

~14 3-30

-2 15

- 31

. -2 16 ~'

3 h.

c.

1

. 1 (9/77) t O

g,",-

f

1t r

U

.g 50-32 U DOCKET NO.

UNIT SI!UTDOWNS AND POWER REDUCliONS UNIT N A',tE l _04-10-84

~,

Hatch 1 DATE COMPLETED BY ' M. G. McBav MARCH REPORT MONTl!

TELEPil0NE. 912-367-7851 I

m c

,E g

}

$.Y 5 Licensee P,

[{c"., -

'Cause & Currective j

q Action to '

No.

Date g

3g

.g 5 5 Event u7 g

H dE 5

jdig Report **

Nu l

g Prevent Recurrenc.c 03-01'-84 F

166.73 A

3 NA HA TURBIN Reactor Scram from turbine high 84-9 vibration.

Inspection revealed 13th stage LP turbine buckets damaged.

't 84-10 03-08-84 S

4.57 H

3 NA SA VESSEL Ramping up from Reactor Scram.

84-11 03-09,-84 F

63.03 H

5 NA CH HTEXCH Holding and Reducing load due to j

Feedwater Heater Problejs.

)

84-12 03-10,-84 F

65.39 A

1 NA HA TURBIN Turbine manually tripped.

Still trying i

to resolve feedwater hez.ter problems.

84-13 03-11-84 F

13.60 9

'2 NA RC CONROD Reactor manually scrammed because of control rod pull error.

84-14 03-13-84 S

14.42 H.

2 NA SA VESSEL Ramping up from manual i urbine trip.

84-15 03-15-84 S

25.00 H

5

' NA,

RC INSTRU Reducing and holding loi d for OD-1 test.

2-3 4

I Reason:

Method:

Exhibit G -Instructions F: Forced I Manual for Preparation of Dats S: Scheduled l A Equipment' Failure (Explain) 2 Manual Scram.

Entry Sheets'for Licensee B41sintenance of Test C-Re fu: ling 3 Automatic Scram.

Event Report (LER) Fife (!JUREG -

D Regulato y Rest:.ction 4 --Continuations 0161)

E Operator iraininE& License Examination M

5-Ioad Reduction 3

F Adrainis.ra:ive 9-Other (Explain)

Exhibit !-Same Source G Operational Errer(2xplain)

,.3 q:

(0117)

II Other (Explain) 4 -

hf r.

3

.r i :

DOCKET NO. 50-321 J UN!T S!!UTDOWNS AND POWER REDUCTIONS UNITNA'.lE Hatch 1 DATE 04-10-R4 REPORTMONT11. MARCH COMPLETED BY M_ G_ MeRay TELEP110NE + 912-367-7851 3

t

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E a

u

.I E ~

3

$.M Licensec.

p,,

?Cause & Corrective 3

g Action to N..

Date g

E g.

,a ~ s Event -

p Q

35.

2-jgg Report #

mu Prevent Recurrence 3

1 L

84-16 15 84 S-

'42.54

'H 5

NA RC-INSTRU Ramping to rated power frota 0D-1 l

testing.

i 84-17 03-16h84 S

3.13.

B-5 NA RC CONROD Reducing load for Rod Pattern i

Adjustment.

84-18 03-17-84 S

19.00 H

5 NA RC CONROD Rampingbackto,ratedpowerfromRod 1

pattern adjustment.

Reducing load for Rod h,attern 84-19 03-23-84 S

3.66 H

5 NA RC CONROD Adjustment & weekly Tu -bine Test.

84-20' 03-24-84 S

14.83

_H 5

NA RC CONROD Ramping back to rated )ower from Rod

.l.

Adjustment and Turbine ' Test.

84-21 3 -84 S

3.75 H

5 NA RC CONROD Reducing load for Rod )attern l

Adjustment & weekly Tu tine Test.

I 2

3 4

I F: Forced Reason:

Method:

Exhibit G -Idstructions for Pseparati4n of Data S: Scheduled L

, A-Equiprnent'F:ilure (Explain) 1 Manual B41aintenance of Test 4

2 Manual Scram.

Entry Sheets'for Licensee. -

Event Report (LER) Fsle (!JUREG -

3 Automatic Scram.

C R:fu: ling:.

OI6I)

).

D Regulatory ilest:.ction 4 -Continuations

.. I 5-Icad Reduction 3* '

. E-Operator t raining & Ucense Examination

~

3 I

F-Adrainis.r t:!ve 9-Other (Explain)

Exhibit I.Same Source

' G Operations! Erre:(Explain) 02D7) il-Other (E.xplain) i.,

. j,,

_{

r

I' U

v DOCKET NO. 50-321.d UN'T S!;UTDOWNS AND POWER REDUCTIONS UNIT NA.'.lE. _Ha tch 1 COMPLETED BY l M. G. McBay DATE 04-10-R4 MARCH REPORT MONT11 TELEPIIONE. 912-367-7851 I

  1. L

.E ?

}

).Y Licensee Eg g "~, -

'Cause & Corrective pg jg5 Event g'g c-s Action to No.

Date a.

[U N

35 5

jg Report #

mO Prevent Recurrence a

84-22 03-31-84 S

23.00 H

5 NA RC CONROD Ramping back to rated power.

I i

l I

2 3

4 F: Forced Reason:

Method:

Exhibit G -Instructions for Preparation of Data S: Scheduled A Equiprnent F:ilure(Explain) 1 Manuai 2-Manual Scram.

Entry Sheets'for Licensee B Maintenance of Test Event ReporI(LER) File (!JUREG -

C-Refu:lia;

3. Automatic Scram.

D Rep,ulatosy Rest:.ction 4 -Continuations 3

016I)

E Operator 'iraining & Ucense Examination 5-Inad Peduction 0

  1. IW

}

dd crati is! Erret (Explain)

Exhibit I-Same Source j:

(ol7?)

Il-Other (Explain) i.-

V?

. g

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J.

50-366 ~ #

DOCKET NO.

UNIT SI:UTDOWNS Ah POWER REDUCTIONS UNIT NA3tr. Hatch 2 DATE' 04-10-R4 COMPLETED BY M. G. McBav i

REPORT MONTil MARCH TELEPllONE I 912-367-785_1 i

.$"E 3

.Y Licensee

[g h,-

'Cause & Corrective N..

Date g

Eg 3g5 Event nT ul Action to F

dE 5

j15g Report #

t# 0 ju Prevent Recurrence j

i 84-5 03-01-84 S

744 H

2 NA CB PIPEXX Recirc Pipe Replacemen,t Outage 1

4 l

i i

i 4

~>

l I

2 3

4 F: Forced Reason:

Method:

ExJiibit G-Idstructions for Preparatiqn of Data S: Scheduled A Equipment'F:ilure (Explain)

I Manual 2 Manual Scram.

Entry Sheetsfor Licensee D41aintenance of Test 3 Automatic Scram.

}

Event Repori(LER) File (!JUREG -

C Refuelin::.

016II D Regulatory Rest:.ction 4 -Continuations E Operator 'iraining & Ucensc Examination

i 5-Icad Peduction 5

l F Adtninis.ra:!ve 9_og (gg)

Exhibit 1 - Same Source f

G Operat:enal Erret(cxolain) 40/77)

Il Other(Explain) i.-

- ll ;

_g

o I

NAHRATIVE REPORT UNIT 1 March 1st 0000 Unit outage continues.

Outage is due to reactor scram from hign turbine vibration on 2-11-84.

"-me Upon inspection found 13th stage LP turbine buckets severely damaged.

March 6th 0910 Reactor Mooe switch to Start-up a Hot Standby.

March 6th 1828 Reactor critical.

March 7th 2216 Generator tied to line.

Hamping up load.

March 8th 0030 Increasing load to 30%.

March 6th 2230 Unit holding at 345 MWE for Feedwater Heater Level problems.

March 9th 2246 Unit still holding.

Trying to resolve heater drain pump problems.

March 10tn 1501 Decreasing load to 100 MWE Defore tripping turbine to resolve heater drain valve problems.

March 10tn 1802 Turbine manually tripped.

March llth 0757 Manually scrammed Reactor because of rod insertion proolem.

March llth

,2133 Reactor critical.

March 13th 1125 Turbine-Generator on line.

l Ramping up load.

l l

March 14th 0200 Holding at 390 GMWE for 0D-1.

March 16th 2154 Reducing power to perform roo pattern adjustment.

March 16th 2220 Stopped reducing power.

Ramping back to rated power.

March 21st 0050 Start to drop load for weekly turbine test load stopped at 722 MWE.

Ma rch 21st 0116 Increasing load back to rated.

69 4s

?

NARRATIVE HEPORT UNIT 1 March 23rd 2120 Recucing Reactor Power via Recirc. flow to 650 MWE to perform Turbine test & rod pattern adjustment.

Marcn 23rd 2220 Stoppea reducing power at 645 MWE.

Weekly turbine test run &

load to be ramped back to rated.

March 30th 2115 Reduced load for weekly turbine test & rod pattern adjustment.

March 30th 2345 Stopped reducing load at approx.

480 GMWE.

March 31st 0311 Began increasing reactor power.

Ramping up to rated.

t

NARRATIVE REPORT UNIT 2 March 1st 0000 Recirc pipe replacement outage still in progress.

F

HATCH 1 SAFETY-RELATED MAINTENANCE REQUEbTS TO BE REPORTED FOR MARCH 1984 NUMBER DATE COMPLETED DESCRIPTION 82-5071 10-01-82 Install neat tracing on la and 1.5" piping to sump in strainer pit area.

Install plastic as temp. splash guards over heat tracing cable (Ref: OCR 81-107) 82-5077 10-01-82 Install heat tracing on lines and pIessure switches for plant service water (Ref: UCR 82-107) 83-1919 02-15-84 Install 0-150 UC batter charger in standby O/G 1A, 18, & IC battery rooms / meter panels R43-P002A, B,

& C.

Remove 0-30 DC ammeters.

(Ref: DCR 77-56) 83-6450 10-05-83

.Realine and terminate cables (Ref: UCH 80-322) for HPCI sprinkler system - (MPL#

1T43).

83-7900 12-07-83 Adjust U-Bolt on support P42-CCWH-115A (Ref: LER 1981-103, DCR 81-58) 83-8008 03-05-84 Reroute conault in HPCI room to avoid snubber struts

~

(Ref: OCR 81-174)

= 83-8843

^ 03-22-84 Terminate communication cables (Ref:~ cables

  1. C91-P100-003 &

R51-S002-143) for installation of:VAX 11/780.

Location at 112 elevation' in Control Bldg.

(Ref:.DCR 82-172.)84-141 01-12-84 Functional test snubber

~(locatea-HPCI El.

94'-7'SRl-2'tWHL) per.

HNP-1-3915.

84-1076 02-28-84

-Install two ha'if-couplings &

temp. switches on N2

~

vaporizer.

(Hef. OCR 84-58).

v.

i N

HATCH 1 SAFETY-RELATED MAINTENANCE REQUESTS r'

TO BE REPORTED FOR MARCH 1984 NUMBER-DATE COMPLETE 0 DESCRIPTION

~

84-1153 03-20-84 Replace Recirc " A"

" Loss of Signal Relay" with HFA type GE 12HFA151-A9F.

Located in 1631-P003A.

(Ref: OCR 82-171).

84-1192 03-05-84 Disconnect, meggar, and reterminate level instrument caules per HNP-6921 (Ref:

NCR 84-35) for MPL#

1Cll-N660 A,B,C,0.

84-1224 03-05 Replace existing press.

switch for control of 1T40-F205 with new switch.

(Ref:

OCR 84-91).

84-1263 03-04-84 Replace core spray minimum flow bypass valve with valve from Unit 2.

(Ref: OCR 84-95).

84-1333 03,-07-84 Remove existing Non-Q 40 amp trip element for RPS MG Set 1R23-S004 FR28.

Adjust 50-amp trip element from.U2-to 40_ amp ano install in U1.

.(Ref: OCR 84-98).

e e

i e

3 "s -

7

-4 4t-r s.

Lt

HATCH 2 SAFETY-RELATED MAINTENANCE REQUESTS TO BE REPORTED FOR MARCH 1984 NUMBER DATE COMPLETE DESCRIPTION 83-2366 06-30-6)

Construct an overlay we1d on Elbow to Pipe Weld (2631-lRC-12AR-G3) with ER 308L_.weldanateriaL oh Recirc. Loop "A" Riser "G" (Ref: OCR 83-63).

83-2397 06-30-83 Construct an overlay weld on Elbow to pipe weld (2631-lRC-12Ak-H3) with ER 308L weld material on Recirc. Loop " A" Riser "H"

(Ref: OCR 83-63).

83-2428 06-30-83 Construct overlay weld on Elbow to pipe weld (2831-lHC-12AR-63) with ER 308L weld material on Recirc. Loop "B" Riser "B"

(Hef: OCR 83-63).

83-2518 06-30-83 Construct overlay weld on Manifolo to Endcap weld

( 2831 -lkC-22 B M-1 ) with ER 308L weld material on Recirc. Loop "b" (Ref: UCR 83-63).

83-2521 06-30-83 Construct overlay weld on elbow to' pipe welo (2631-1RC-12AR-A3) with ER 308L weld material on Recirc.

"B" Riser A (Ref:

OCR 83-63).

83-2532 06-30-83 Construct overlay weld on elbow to pipe weld (2831-lRC-12AR-J3) with ER 306L weld material on Recirc. A Riser V (Ref: OCR 83-63).

83-2579 06-10-83 Construct overlay weld on manifold to enacap weld (2831-lHC-22AM-4) with ER 306L weld material on Recirc. Loop A (Ref: OCR 83-63).

HATCH 2 SAFETY-RELATED MAINTENANCE REQUESTS TO BE REPORTED FOR MARCH 1984 NUMBER DATE COMPLETE DESCRIPTION 83-2580 06-30-83 Construct overlay weld on Pipe to Elbow weld (2831-1RC-12AR-F2) with ER 308L..w eld. mate rial _ ort __ _

Recirc. Loop A, Riser F (Ref: OCR 83-63).

83-2641 06-02-83 Revise actuator orientation by rotating Rx. Bldg.

Nitrogen Inerting system Isol. VLV (Ref: UCR 83-51).

83-2678 06-30-83 Construct overlay weld on Eloow to pipe weld (2831-1RC-12AR-F-3) with ER 308L weld material on Recirc. Loop A Hiser 8 (Ref:

DCR 83-63).

83-2878 06-21-83 Construct overlay welo on Elbow to pipe weld

( 2831 -lR C-12 B R-C-4 ) with ER

.308L weld material on Recirc Loop B Riser C.

83-2880 06-30-83 Construct overlay weld on Pipe to Pipe Weld (2831-1RC-12BR-E-3A) with ER 308L weld mate, rial on Hecirc. Loop B Riser E (Ref:

OCR 83-63).

83-2881 06-30-83 Construct overlay weld on Pipe to Elcow weld (2 831 -lRC-12B R-02 ) with ER 308L weld material on Recirc Loop B Riser 0 (Ref: DCr 83-63) 83-2882 06-30-83 Corintruct overlay welo on Pipe to Elbow weld-(2331-lRC-12BR-C2) with ER 308L weld material on Recirc Loop B Riser C (Ref:~0Cr 83-63).

83-2943 06-08-83 Increase tnickness of' Endcap to Manifold weld (2831-lRC-22AM-1) per sections of HNP-2-1U174 (Ref: UCR 83-63).

b

4 HATCH 2 SAFETY-RELATEU MAINTENANCE HEQUESTd TO BE REPORTED FOR MARCH 1984 NUMBER DATE COMPLETE DESCRIPTION 83-2965 06-13-63 Increase thickness of Endcap to Manifold welo (2831-lHC-228M-1) per

.sec.t. ions.Af HNR,2.- 10L7A (Ref: OCR 83-63).

83-3126 01-27-84 Install cable, raceway and terminal ooxes of new Radwaste Sprinkler System (Ref: OCH 82-128).

83-4788 12-14-83 Installed Engraved annunciator windows, 17 &

18, on Radwaste Sprinkler System (Ref: OCR 82-128).

83-4943 12-19-83 Calibrate level elements 2C11-LE-N060 A,8,C,&O and level switches 2Cll-LS-N660 A,8,C,&D on Reactor Protection System / Scram discharge volume (Ref: OCR 82-220).

83-5809 02-29-84 Recalibrate the SRV Low Low Set Transmitters ano Engineering to perform review (Ref: OCR 81-139).

83-5814 01-24-84 Adjust U-Bolt on support 2P52-531-H805 (Ref: OCR 82-257).

83-5815 01-24-84 Adjust U-bolt on supports 2P41-55-H803, -H804, -H805,

-H806, -H807 (Ref: OCR 82-257).

83-5816 01-23-84 Adjust U-Bolt on supports 2C11-CRO-H84, -H85, -H86,

-H90, -H93, -H99, -H101,

-H102, -H103, -H104, -H105,

-H106.

83-6006 01-24-84 Adjust U-bolts on supports 2 Ell-RHR-H13 & -H14 (Ref:

OCR 82-257).

83-6483 01-16-84 Install High dnergy Line break barrier for Air Supply valve 2C11-F009 A & b.84-681 02-08-84 Replace the main hoist mechanical force go Jge at Hefueling platform (Hef: UCR 84-37).

Georgia Powsr Comptny Post Offica B:x 439 8*.xity, Georgis 31513 Telephone 912 367-7781 912 537-9444

- Edwin 1. Hatch Nuclear Plant April 10, 1984 GM-84-314 PLANT E.

I.

HATCH NRC Monthly Operating Report Director Office of Inspection and' Enforcement United States Nuclear Regulatory Commission Washington, 0.

C.

20555

Dear Sir:

- Per Tech-Specs section 6.9.1.6 please find attached the NRC Monthly Operating Report for Hatch Unit 1, Occket #50-321, and for Hatch Unit 2, 0ccket #50-366.

4 H.

C.

Nix General Manager JAB /hh 4

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