ML20009C027

Monthly Operating Rept for June 1981

ML20009C027
Person / Time
Site:	Hatch
Issue date:	07/10/1981
From:	Atwood D GEORGIA POWER CO.
To:
Shared Package
ML20009C026	List: ML20009C023 ML20009C027
References
NUDOCS 8107200185
Download: ML20009C027 (22)

Text

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mgcr 20N 34u OPERAT1HC DATA REPORT co-

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DATE 07-10-81

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DOCKET N0. 50-321

5

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___ COMPLETED BY DENVER ATWOOD a

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TELEPHONE ( 912 ) 367-7781 x 203 O-OO

.,OslPE_DTINC STATUS ~ ~

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' goJnit Hanet E.I. Hatch Huclear Plant Unit 1

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e

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top 6rting Period 0(-81~

.icensed Thernal Power ( 8t W L ) : '2436~

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s' laneplate Rating (Cross ML ): 809.3 e

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3e s ig n ' Elect r ic al Rating (Het MWe ): 777.3'

~ ~ ~

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1axlmun Dependable Copacity (Cross NWe): 795.3

' e' Haxinun Dependable Cepocity (Het MWe): 756.8

~*******************************************************

'~-'

R at i' g s' ("It en s' Hunb er'3 ' Thro u gh 7 ) Since'Last] Report!'Cive' Reason _st 7-'~I f "t h a n g e s occur

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Fo w e7 I e vel T o 'Wh i ch' R e st r i c te di TF A ng "(He t' MWe )r-

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10 *2ea' sons For Restrictions, If Any:

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~TI Hour's In~ Reporting Perin ~~'~~ - -

~-~ 720 4343 - ~~~~~~ ~ ~~

48191

'12.

Humber Of Hours Peactbr 4as'Criticar ' -~~

~ ~

' ^^ -~ -- 568.1

- - ~ - - - '-

1784.5 35296.5

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~13' Reactor Reserve Shutdown Aours

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0.0 0 0

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~14'-~Ho e r Generator On-Line

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2 81~. 8 '

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~~ 32885.4~

~15.

Unit Reserve Shutdown Hours

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Cross Thernal Ener gy Gerw a ted ( MWH ) ~~ - -~~

~~~511713 ~~

'2668027' - - - - -- ~ 68470909

~~~

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17-~ C r o s s Electrical Energy Generated (MUH)

-- 158590 868270~

22167920~

18' Het Electrical' Energy Generated (MWH)- -

- - 144217 ' - ' ~ ~ - ~~-~~~802935

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21055463

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-- 19.~ U n i t Service Factor'

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68.2

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~207 Unit Avai~1 ability Factor -~~ '

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~21T Unit Capacity Factor (Using MDC Net)'

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24.4 57.7

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22:~ Unit Capacity Factor (Using DER Het )

25.8

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23.8 56.2 -

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~23-~ Unit Forced Outage Retc

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~74-Shutdowns Scheduled Over Hext 6 Montns (Type. Date, and Duration of Each W ^ - --'

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2 5-'- I r-Sh u t Down~M End Of Report Periods Estinated Date~of Startups 26 Units In~ Test Status (Prior ~ to Connercial Operation):

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~ ~ I H I T I A L' C R I T I C A L I TY ~ ~-~- - -- ---- ~ -

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' INITIAL ~ ELECTRICITY

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~ COMMERCIAL OPERATION ~

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COMPLETED BY DEHYER ATuD0D

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UNIT SilUTDOWNS AND POWER REDUCTIONS DOCKET NO.

50 W 1 UNIT NAME Hatch DATE 7 8.

REPORT MONDI June 1981 COMPLETED BY _D. 6. AtwoN TELEPilONE 912-367-7851 c.

.! ?

YE Licensee

[%

E*L Cause & Corrective 3g5 Event

?

No.

Date 3g E

[T Action to

$E E

j g3 y Report #

$0 H

0 Prevent Recurrence 3

81-41 810617 S

.5 B

1 NA HA ZZZZZZ Turbine overspeed trip speed 81-42 810617 F

26,.8 B

5 NA HA ZZZZZZ Startup from #81-41 81-43 810619 F

20.7 B

1 NA IA INSTRU Power redaction to inspect for tip tube damam 81-44 810619 F

41.3 8

5 NA IA INSTRU Startup from #81-43 81-45 810623 F

13.7 A

3 NA HA ZZZZZZ Scram from reactor pressure hi due to generator runback 81-46 810624 F

23.3 A

5 NA HA ZZZZZZ Startup from scram #41-45 81-47 810625 F

32.5 A

5 NA HC HTEXCH Power reduction due to loss of conden-ser vacuum

/.

I 2

3 4

F: Forced Reason:

Method:

Exhibit G-Instructions S: Scheduled A Equipment Failure (Explain) l-Manual for Preparation of Data B Maintenar'ce of Test 241anual Scram.

Entry Sheets for Licensee C-Refueling 3-Automatic Scram.

Event Report (LER) File (NUREG-D Regulatory Restriction 4 -Continuations 0161)

E-Operator Training & Ucense Examination 5-Ioad Reduction F-Administrative G-Operational Error (Explain) 9-Other (Explain) 5 Exhibit I-Same Source (9/77) llother(Explain) o

(

DOCKET NO.

50-321 UNIT SHUTDOWNS AND POWER REDUCTIONS UNIT NAME Hatch 1 DATE 7-10-81 COMPLETED BY D. G. Atw00d REPORT MONTH.Juna_ IMl_.

TELEPHONE 912-367-7851 w.

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}Y3 Licensee

,E,-r, j"3 Cause & Corrective o-Action to No.

Date g

Eg

,g5 Event g?

jU Prevent Recurrence P

$5 5

jis g Report #

mO d

81-34 610601 S

162.4 C

1 NA ZZ ZZZZZZ Scheduled refueling outage 81-35 810607 F

47.3 A

2 NA HA ZZZZZZ Reactor scrammed' to allow fast shut-down of turbine 81-36 810609 5

26.6 B

2 NA ZZ CONR0D Reactor shutdown to test scram time 81-37 810610 F

64.3 A

3 NA-IA INSTRU Reactor auto scrammed due to ABRM and IRM spikes 81-38 810613 F

37.1 A

3 NA IA INSTRU Reactor scra med due to high IRM 81-39 810615 F

65.7 A

2 NA IA INSTRU IRMs spiked causing rods to be moved from targeted positions l

81-40 810617 F

2.3 A

5 NA IA INSTRU Startup from shutdown, 81-38, 81-39 4

I i

I I

2 3

4

/

F: Forced Reason:

Method:

Exhibit G -Instenctions S: Scheduled A Equipment' Failure (Explain) 1-Manual for Preparation of Data B-Maintenance of Test 2-Manual Scram.

Entry Sheets for Licensee C-Refueling 3-Automatic Scram.

Event Report (LER) File (NUREG-D-Regulatory Restriction 4 -Continuations 0161)

E-Operator Training & License Examination 5-Icad Feduction 5

F-Administrative 9-Other (Explain)

Exhibit I-Same Source G-Operational Error (Explain)

(9/77) li Other(Explain) y, M

,4

'K3 2Ye '

3

~

• DOCKET NO.

50-321 UNIT SilUTDOWNS AND POWER REDUCTIONS UNIT NAME Ha;ch 1 DATE 7-10-81 COMPLETED BY D _G. Atwocd REPORT MONTH June 1981 TELEPilONE __912-367-7851 "i

.! E 3

.5k Licensee 5's;,

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Cause & Corrective

$g y"

u n-Action to b.o.

Date g

ij g

,c g s Event U

Prevent Recurrence c3 E 5

j@

Report #

o 81-48 810627 F

7.5 A

5 NA CH TURBINE Load reduction to repair overspeed test switch on reactor feed pump turbine

/.

I 2

3 4

F: Forced Reason:

Method:

Exhibit G -Instructions S: Scheduled A Equipment' Failure (Explain) 1 Manual for Preparation of Data B-Maintenance of Test 2-Manual Scram.

Entry Sheets for Licensee C-Refueling 3 Autornatic Scram.

Event Report (LER) File (NUREG-D Regulatory Restriction 4 -Continuations 0161)

E-Operator Training & Ucense Examination S-Ioad Reduction F-Administrative 9-Other (Explain)

Ext.ibit I Same Source G-Operational Error (Explain)

(9/77) 11-01her (Explain)

O

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NARRATIVE REPORT UNIT 1 June 1st Unit in forced refueling outage June 4th 1248 reactor critical June 7th 1825 reactor scram to allow fast shutdown of t67bine; Rx critical at 0258 on 810608 June 9th 1745 reactor shutdown in order to perform-scram time tcst; 1940 reactor critical 5

June 10th 2019 Rx scram due to A1RMs, B IRM spiked June lith Rx critical at 0300 hrs June 12th 1237 Rx mode _vitch to run; 1731 rolling turbine; 1900 overspeed trip test complete; 1930 rerolling turbine; 1954 tripped main turbine at 1200 rpm due to main thrust bearing; 2022 reduced power to inspect thrust bearing; 2118 Rx mode switch to start and hot standby June 13th 1228 Rx scram due to high IRM June 14th 1329 Rx critical June 15th 0138 Rx manual scram due to

'B' and

'D' IRMs spiked causing rods to be moved from targeted positions; 2148 Pa: critical l

June 17th At 1233 mode switch to run; 1814 main turb rolling; 1920 main turb tied to line; 2139 unit off line for turbine overspeed trip test; at 2208 unit tied to line June 18th At 2230 shutdown in progress to enter drywell to inspect for trip tube damage June 19th At 0055 main turb tripped; 0150 Rx mode switch to start and hot standby; 1918 Rx mode switch to run; 2023 main turbine rolling; 2140 unit tied to line L

June 21st Decreased Rx power to run OD-1 at 1920; 1935 stopped decreasing Rx power:

2308 l

increasing Rx power i

o June 23rd At 1454 Rx ;; ram due to Rx press high due l

to gen, runback; 2040 Rx critical l

1 E

s.

June 24th Unit tied to line at 0435 June 25th Decreasing load at 2300 due' to loss of vacuum due to SJAE flooded; 2340 stopped decreasing load June 26th 0330 inc.cc. sing load June 27th At 0130 reducing load to perform weekly turbine test; 1413 load was reduced for repair of overspeed test switch on IA-RFPT; 1780 increasing load s.

4

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HATCH 1 SAFETY-RELATED MAINTENANCE REQUESTS TO BE REPORTED FOR JUNE 1981 N11MBER DATE COMPLETED DESCRIPTION B1-1933 5-21-81 Replaced nonqualified with qualified drywell sum valve reset switches A71-538 9 81-974 5-27-81 Removed RPV head piping and ductwork B11-G001 on 3-5-81, and reinstalled piping and ductwork as per HNP-1-6710 81-1164 5-26-81 Perf orne d P/M as per HNP 6280 on B21-F28A-D and changed oil on B21-F022A-D per MR 1-80-4180 81-3166 5-20-81 Farformed leakdown test on SRV air supply check valves

~

B21-F036A-J 81-3429 5-26-81 Work completed per CBI draw-ing 101 contract 04391 on SRV discharge

. lines ramsheads supports B21 81-964 5-24-81 Removed and replaced indicat-ed control rod drives 81-1651 5-15-81 Replaced 25 C52-K605 LPRM detector strings and verified they were latched 81-1797 5-23-81 Pulled cables on RPT breaker logic C71-CB3ASB/4ASB per DCRs77-271 and 80-226 81-1800 5-28-81 Terminated RPT breaker logic cables C21-CB3ASB/4ASB per DCRs77-271 and 80-226 31-2190 5-23-81 Pulled cale for primary containment high pressure switch C71-N004 per DCR 79-432 81-2213 5-23-81 Terminated cable H11-P630-A8043 for primary containment high pressure switch C71-N004 per DCR 79-432 0

0

~~.

81-1521 5-23-81 Pulled cabic to remote shut-down pancis (sound powered phone system)

C82-P00142 to complete sound powered portion of DCR 78-201 81-1525 5-28-81 Pulled cable to remote shut-down panels (sound powered phone system)

C82-P00162 to complete sound powered portion of DCR 78-201 81-1565 5-28-81 Replaced magnetic switch; also replaced ASCO solenoid valve on LLRT test boundary E11-F050A 81-1567 5-21-81 Hooked up

MOV, motor and

cabic, set up and operated MOV in open and close direc-tion on LLRT test boundary valve E11-F015A 81-2536 5-28-81 RHR LPCI injection valve seal-in Ir,gic E11-F015A(B) circuitry removed per DCR 80-257 81-2799 5-26-81 Rotated and reinstalled oper-ator on RHR pump suction valve E11-F065B 81-3595 5-24-81 Modified RHR valve snubber i

assy.

E11-RHR-184 by extend-i ing strut 81-3528 5-26-81 Disassembled LLRT test bound-ary valve E21-F010A, lapped

seat, machined

stem, and reassembled valve with new packing and gasket 81-3609 5-24-81 Increased strut length and modified core spray snubber assy. E11-CSH-43 81-3610 5-24-81 Increased strut length and modified core spray snubber assy. E11-CSH-44 81-1832 5-26-81 Handlapped disc and seat on LLRT test boundary valve E41-

F046, F012 to obtain 100%

contact l

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81-2828 5-28-81 Changed control switch 527 on suppression pool isol.

valve E41-F051 to a

double pole switch and wired it as per DCR 80-451.

81-3122 5-8-81 Removed bonnet and installed new gasket on CST suction check valve E41-F019 and replaced bonnet 81-3183 5-8-81 Installed blank under pump suction relief valve E41-F020 on 4-28-81, and removed blank and installed new gasket on 5-7-81 81-3250 5-26-81 Installed conduit and supports on HPCI pump discharge valve E41-F006 for ESS-II-3044 and 3074, per DCR 81-16 81-4122 5-25-81 Reinstalled E41 support for HPCI turbine exh. drain that was removed during outage 81-2079 5-29-81 Installed conduit hangers and conduits 3306A thru

3308A, IMC 3300A and IMC-3305A on RCIC E51 81-2564 5-24-81 Removed starter and bkr.

assemblies and placed in proper frames as directed on RCIC turbine trip and throt-t1e valve E51-C002.

Centrol and moter leads were not reconnected to power source 81-2670 5-24-81 Disconnected cables from section 11, 11A and recon-nected cables in section 2,

2C in MCC R24-S021 for turbine tri and throttle valve (RCIC) pE51-C002 81-2827 5-28-81 Changed control switch S25 on the HP11-P602 panel in control room for suppession pool isolation valve E51-F002 from a

single pole to a

doubic pole switch and wired as per DCR 80-452 4

I 1

- m 81-3082 5-24-81 Performed necessary wiring changes and relined internal wiring of frame 2C also redlined cable listed for RCIC turbine trip throttle valve E51-C002 81-1961 5-23-81 Installed new scal-in relays, replaced valve control switches and performed all internal wiring per DCR 80-13 for PCIS valve logic Gil-F003,4,19,20; B31-F019,20; T48-F118A,B, 307,309,318,319, 339,341,103,104,308,320,324, 326, 338, 340;. P70-F00253 81-1962 5-27-81 Terminated cable per DCR 80-13 for PCIs valve logic G11-F003,4,19,20; T48-F307, 308,309,318,319,320,324, and 326 81-1963 5-23-814 Terminated cable per DCR 80-13 for PCIs valve logic G11-F003,4,19,20; T48-F307, 308,309,318,,319,320,324, and 326 81-1982 5-26-81 Disassembled knocker valve drive shaft G31-F056A, disas-sembled roto hammer operates, tightened internal bolts to reduce loose play in operat-or, reassembled

operator, reconnected drive shaft and set 81-2609 5-24-81 Installed internal

wiring, pilot

lights, control switch and misc.

name plates and labeled terminal board for DC switchgear local control panel H21-P248 81-4299 6-16-81 Replaced RHR ninimum flow motor E11-F007A as per DCR 81-151 81-4332 6-10-81 Found overloads

tripped, removed heads and meggered RHR min.

flow motor Ell-r

F007A, found to be open and o

grounded, removed and G

~~~.

replaced

motor, megerred

motor, checked operator on

MOV, bumped motor for rota-

tion, operated MOV for correct operation and checked p

running amps 81-4430 6-17-81 Installed new motot on RHR Hx to torus valve E11-F011A and checked valve operation 81-4501 6-10-81,

P3;placed RHR E11-F0283 MOV E11-F028B motor with new motor with brake 81-1564 5-26-81 Replace) gates and

seat, repacked and tongued down LLRT test boundary E21-F031A 81-2569 6-1-81 Disconnected

circuit, moved conduit to E21-F019B, rein-stalled conduit and retermin-ated cabic 81-3338 5-29-81 Performed hydro test on core spray piping Ell-A loop 81-4217 6-1-81 Installed new motor on core spray "B"

suction valve E21-F001B; checked operation of limit and torque switches and run valve by motor 81-2509 5-19-81 Performed hydro as per HNP-6607-1 on HPCI pump suction piping E41-C001 81-3698 6-5-81 Replaced HPCI booster pump discharge press.

indic.

E41-C001 with new calibrated one 81-4292 6-17-81 Removed HPCI steam turbine drive shaft cooling E41-C001 for overspeed trip test and replaced 81-4322 5-29-81 Removed old 0 rings on oil filter selector handle E41-C002 and replaced with new ones o

e

]

s 81-14 6-4-81 Installed new flange gasket

set, verified RCIC steam inlet drain pot valve E51-F054 repaired with replace-ment parts listed on IMs 01864 S1-577 6-15-81 Installed support bracket on RCIC aux oil sump E51-C002 as per DCR 79-141 81-1239 6-1-81 Revised wiring as per DCR 80-360 on turbine trip and throttle valve E51-C002 81-2508 1-81 Performed hydro as per HNP-6907 on RCIC pump suction piping E51-C001 81-3126 5-30-81 Removed bonnet and wire on CST suction check valve E51-F011 and replaced with gasket 81-3182 5-30-81 11cmoved pump suction relief valve E51-Ff017 ad installed blind flange on pipe, later removed blind flange and replaced relief valve with new gasket 81-3765 6-15-81 Installed new Nyloc set screws in speed sensing gears on RCIC turbine E51-C007; also cleaned and reinstalled bearing covers 81-4181 6-17-81 Removed spool piece and installed disconnect on RCIC turbine drive shaft coupling E51-C001 and reinstalled spool piece 81-4230 6-1-81 Found motor to be burned out on core spray min. flow valve E21-F031A and replaced motor meggered and operated valve 81-4289 6-3-81 Removed installed blank and reinstalled old RCIC turbine exhaust rupture disc E51-D001 after performance of hydro 81-4318 6-2-81 Performed hydro on RCIC turbine steam supply piping o

E51-C002

-~

--n.-

~,.

81 4333 6-3-81 Performed hydro on RCIC turbine exhaust. piping E51-C002 81-4447 6-9-81 Changes made on RCIC steam sup?ly valve E51-F007 as per Bechtel telecopy and DCR 78-201 81-4499 6-3-81 Removed blank from RCIC

}

turbinc steam exhaust line nozzle E51-C001 and installed new Flexitallic gasket 81-4574 6-5-81 Corrected relay binding on RCIC turb exh.vac bkr E51-F105 81-3722 5-28-81 Hydroed G51-F001-4, F014-16 piping and valves 81-4193 6-1-81 Removed existing cabic on D/W/ torus temp recorder alarm cable H21-P237-AD051; also pulled new cable and reterm-inated same per DCR 80-439 81-1524 4-1-81 Replaced mechanical snubber B21-X29-1F17-H1 per DCR 80-15 81-2394 5-30-81 Rerouted conduit to seismic accelerometers L51-N002 and N105 and installed hangers per DCR 81-23 80-2110 6-1-81 Replaced cage, seat, and plug on offgas cooler cond SO4 drain valve N62-F030B and lapped 81-464 5-26-81 Fabricated and installed hangers per DCR 80-380 for Unit 1 air compressors P51 81-545 6-1-81 Disconnected torus temporary fan R24 from R24-S011 bkr #28 81-2889 5-28-81 Removed local starter R27-F035 from the torus El-133' relocated on el 130 react b1dg per DCR 81-16 81-2123 5-28-81 All work complete per CBI dwgs contract 95371 on torus 0

vent headers and downcomers T23 Q

O

81-2281 6-2-81 Disconnected and reconnected wires and conduit for torus floor drain level switch T45-N002CSD; replaced float on (C) and redlined cables and FT 81-2394 5-30-81 Rerouted conduit to sump level switch T45-N002A, repulled cables and retermin-ated cables81-952 6-3-81

Removed, then reinstalled reactor cavity shield plugs (B11-shielding) 80-4180 5-26-81 Cleaned MSIV hydraulic cylin-der (B21-F022D) and replaced fluid 81-1267 5-27-81 Performed preventive mainten-ance on main steam relief valves (V21-F013A-H, J-L) 81-1431 5-26-81 Hooked up temporary dry reference leg on low side of reactor vessel wide range level indicator transmitter to achieve accurate level indication with RPV head removed 81-1447 5-27-81 Repaired Icaking LLRT res-p(B21-sure boundar valves F022A, F020A) y 81-1452 5-27-81 Repaired leaking LLRT pres-sure boundary valves (B21-F022C) 81-1453 5-23-81 Repaired leaking LLRT pres-sure boundary valve (B21-F022B) 81-2483 5-21-81 Removed SRV ramshead tee support straps and T-beam 81-2543 5-27-81 Repaired leaking LLRT test boundary valve (B21-F032A) 81-3034 5-29-81 Replaced snubbers 321-FDH-11A, B with new snubbers o

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81-3191 5-27-81 Installed temporary reactor water level indicators (B21-NO31A) 81-3231 6-4-81 Removed support B21-113-H801 on SRV discharge line (B21-F013K);

replaced section of SRV discharge line 81-3519 5-24-81 Braced ramsheads' support

, structure (girder-to-girder WF beam) in bay 6; replaced and braced girder-to-girder WF beam in Bay 8 (B21) 81-1887 5-28-81 Repaired hydraulic snubber (B31-SS-B12) 81-2189 5-24-81 Installed a

vent connection between B31-F019 nd B31-F059 (B31-G001, recirc system) 81-3260 6-4-81 Repaired reactor recirc B

suction low point drain valves (B31-F052B, F051B) 81-4591 6-10-81 Repaired r9 circ drive temp recorder 81-2502 5-23-81 Performed hydro test on standby liquid control (C41) 81-2834 6-2-81 Mounted area process radia-tion monitors D11-N003A and B 81-2835 6-2-81 Fabricated and installed conduit supports and conduit for D11-N003A/B 81-2836 6-2-81 Pulled cables for area radia-tion monitors (D11-N003A/B)81-342 5-31-81 Replaced RHR inboard isola-l tion valve motor with origin-al motor 81-1450 5-29-81 Repaired valve E11-F024A in LLRT pressure boundary l

81-2008 5-31-81 Repaired RHR service water j

pump seal leak (E11-C001A) o

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i 81-2544 6-1-81 Repaired Icaking LLRT test boundary valve (E11-F029) 81-2800 6-1-81 Disconnected cabic and condu-it associated with RHR torus suction vale E11-F065B 81-3161 5-30-81 Removed RHR SRV and placed a flange on the RHR mipe to allow hydro test od RCIC:

replaced SRV upon completion of hydro 81-3255 5-27-81 Installed modified RHR line snubber support assembly for support E11-RHR-H184 81-3328 5-27-81 Repaired RHR pump suction valve E11-F004B) 81-3346 5-29-81 Closed RHR relief valve (E11-F025A) for performance of RHR

hydro, opened after successful completion of hydro 81-3453 5-31-81 Repaired sea water leak on RHR service water pump (Ell-C001C)

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81-3454 5-31-81 Repaired seal water leak on RHR service water pump (Ell-C001A) 81-3479 5-27-81 Repaired RHR relief valve (E11-F055B) 81-3608 5-27-891 Modified RHR snubber support assembly (E11-RHR-H322) l 81-3720 5-28-81 Repaired conduit on limit switches and solenoid valve i

(E11-F050B) 81-4047 5-27-81 Rspaired leaking LLRT test boundary valve (E11-F027A) l 81-4056 5-27-81 Repaired leaking LLRT test boundary valve (E11-F011A) 81-77.76 5-30-81 Replaced 25%

safety related i

snubbers with new or rebuilt numbers (L31) l

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81-1590 5-25-81 Replaced the existing WSCo.

mechanical snubbers and accessories with new equip-ment (L35) 81-1592 5-25-81 Replaced the existing WSCo.

mechanical snubbers and accessories with new equip-ment (L35) 81-1594 5-21-81 Replaced mechanical snubber G31-SM-6 and clamps per DCR 80-15 (G31) 81-4271 5-30-81 Installed new pipe clamp on Yarway column of mechanical snubber (B21-X29-1F17-li6,7) 81-1858 5-27-81 Repaired leaking and dry snubbers (N11-MSH-14) 81-2026 5-27-81 Installed hangers on MSR high level trip switch piping (N38-B001A, B, C, D) 81-5792 4-2-81 Routed piping from sprinkler valve for - mechanical air r.upervision of sprinkler system in RPS rooms and vertical cableway (PS2) 81-3030 5-27-81 Relocated circuit breakers in R22-S016 (125/250 VDC switch-gear) 81-2611 5-27-81 Relocated frames in R24-S021 (250 VDC essential MCC) 81-2749 5-27-81 Installed conduits and l

conduit supports to R24-S021A (MCC) 81-3278 5-28-81 Pulled and terminated cables to R24-S021A (250 VDC essen-tial MCC) 81-2898 5-21-81 Disconnected and removed cables R24-S022-E58-C07,

C07C, E56-M07,

M07A, M07B, and R24-S022-C24 81-2901 5-26-81 Pulled and terminated cables to local starter (R27-S035) o i

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81-2912 5-28-81 Installed new conduit to local starter (R27-S035) i 81-2790 5-27-81 Replaced damaged cable tray supports on tray R33-TAD 7-07 81 3468 5-27-81 Removed existing type vital AC batteries and rack and installed new batteries and rack (R42-S008) 81-3827 5-28-81 Removed diesel generator 1C batteries and replaced with new batteries (R42-S001) 81-3412 5-28-81 Installed support on beam in NE diagonal (T21-B2)81-519 5-26-81 Opened doors on sacrificial shield and remcVed insulation from nozzles

1N1B, IN2B, IN2E, IN2H, IN2K (T23) 81-2524 5-26-81 Rerouted floor drain which interferes with torus brace location l

81 1410 5-21-81 Removed conduit supports and installed temporary supports in torus room 81-1704 5-21-81 Fabricated and installed conduit and conduit supports for drywell torus vent exhaust valve logic /RPT logic 81-2102 5-27-81 Pulled cable for drywell/ tor-us isolation valves and purge i

fan 81-2103 5-22-81 Performed internal wiring for drywell/ torus isolation valves and purge fan 81-2104 5-27-31 Terminated cables for drywell/ torus isolation valves and purge fan 81-2396 5-26-81 Rerouted conduit to torus I

water temperature element 81-2477 5-28-81 Mounted and labeled

relays, switches and terminal strips l

o for dw/ torus vent exhaust valves

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3 81-2505 5-27-81 Installed internal wiring for DW/ torus vent exhaust valves 81-2584 5-28-81 Pulled cables for DW/ torus vent exhaust valve 81-3264 5-28-81 Terminated external wiring for DW/ torus vent exhaust valve 3/4" seal-81-3351 5-27-81 Replaced exising /2 tite with 1

1 sealtite within panel enclosures for DW/ torus exhaust vent 81-3352 5-27-81 Installed

" tee" condulet at lower limit switch on valves T48-F334A(B) and 148-F335A(B) 81-3600 5-28-81 Repaired valve ~1eaking caus-ing vacuum break from torus to reactor building (T48-F311) 81-4151 5-27-81 Replaced broken ficx-conduit on solenoid and both limit switches on primary contain-ment isolati.on valve 81-4270 5-28-81 Replaced blower units and installed more sensitive circuit boards on main control room chlorine monitors81-378 4-7-81 Fabricated and installed hanger H69 for fire protection 81-802 4-7-81 Fabricated and installed hanger 113 4 in cable spread Unit 2 (Z43)81-468 4-7-81 Fabricated and installed hanger H96 for fire protection 81-434 4-7-81 Fabricafeo and installed hangers for fire protection in Unit 1 cable spread 81-435 4-7-81 Fabricated and installed hangers for fire protection in Unit 1 cable spread 81-329 4-7-81 Fabricated and installed hangers for fire protection 0

in Unit 1 cabic spread e

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81-299 4-7-81 Fabricated and installed hangers for fire protection in Unit 1 cable spread 81-2393 6-1-81 Repulled cable and retermin-ated cable on conduit to sump level switch T45-N002D per DCR 81-23 81-3194 6-3-81 Disconnected cables and removed conduit straps to move

conduit, repaired damaged conduit and cable; replaced cables and conduit to sump level switch T45-N002B after torus work 81-1275 5-29-81 Installed new LEN recorder and calibrated to 0-3000F for drywell and torus temper-ature recorder T47-R611 81-580 5-21-81 Removed permanent and tempor-ary torus level lines' supports T48; lines will be rerouted per DCR 77-238 81-1835 5-31-81 Disconnected' wiring and conduit to torus water temperature RTDs T48-N009ASB and reconnected wiring and conduit after torus modifica-tions complete 81-1929 5-27-81 Torus to drywell vacuum breakers removed and rein-stalled atend of outage l

81 2395 5-30-81 Rerouted ESS-I-3617 conduit to torus water temp element l

T48-N072, repulled cable and reterminated cable l

81-2523 6-1-81 Installed conduits and supports on DW/ torus vent exhaust valves per DCR 79-149, R1 81-2525 6-2-81 Disconnected

cable, rerouted conduit to vac.

bkr.

air supply T48 and pulled new cable T48-P001-C005 and terminated same i

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81-4232 6-3-81 Installed old supports for torus level lines T48 which feed T48-N121AGB and E41-N015ASB 81-4233 5-30-81 Rerouted conduit to torus temp TRD T48-N009B and inta11ed supports and repulled new cable 81-4304 6-2-81 Disassembled LLRT vacuum breaker T48-F310

valve, cleaned seat, replaced T-ring and 0-rings and reassembled valve 81-4320 5-28-81 Removed old magnets and hydraulic cylinders and replaced with new ones on torus vac. breaker T48-F328ASB 81-4334 6-1-81 Reinstalled shield plug on drywell penetration X41-Unit 1 T48 81-147 4-7-81 Repaired hangers for five protection in Unit 1 and Unit 2 cabic spread 81-881 4-7-81 Fabricated and installed hangers for fire protection in Units 1 and 2 cable spread l

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