ML20116J254

Correction to Vol 1 of Vogtle Unit 1 ISI Final Rept for Fall 1991 Maint/Refueling Outage

ML20116J254
Person / Time
Site:	Vogtle
Issue date:	11/05/1992
From:	GEORGIA POWER CO.
To:
Shared Package
ML20116J243	List: ML20116J240 ML20116J254
References
NUDOCS 9211160107
Download: ML20116J254 (15)

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ENCLOSURE V0GTLE ELECTRIC GENERATING PLANT CORRECTION TO INSERVICE INSPECTION

SUMMARY

REPORT FOR VEGP-1 FALL 1991 MAINTENANCE / REFUELING 0VTAGE INSTRUCTIONS FOR INCORPORATION The corrected pages to Volume 1 of the VEGP-1 ISI Final Report for the Fall 1991 maintenance / refueling outage would be incorpt ated as follows:

Remove Pace Insert Paae 2-6 2-6 6-1 6-1 6-2 6-2 6-3 6 18-2 18-2 18-3 18-3 Dwg. 1S1-11201-009' Dwg.-1S1-11201-010*

Dwg. IS1-11201-011*

Dwg. 1S1-13201-012*

Insert drawings 1S1-11201-009 through -012 after drawing 151-11201-008.

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9211160107 921105 DR ADOCK 05000424 PDR

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,' Ba3 Cline cxaminatirn3 wara perf rmed cn Cight new weld 3 (feur 38 C6p-tC-bran h weld:

cnd four 2* thermowell-to-br:nch weld]) which r;culted from the RTD Cypa o Elimination modification to the Reactor Coolant System. Specifically, the baseline examinations utilising surface means, i.e.,

liquid penetrant, included the following: 3" welds (11201-005-9, -006-9, -007-9 and -008-9) and 2" welds (11201-l 009-10, -010-8, -011-9 and -012-10).

The liquid penetrant examinations performed by l

Westiaghouse ut its tontractor during the course of the modification constitute the baseline examination as allowed by ASKE Section XI, IWB-2200(b). Results of the surface examinations were acceptable. The RTD Bypass Elimination was performed undar Design Changs Package (DCP) 91-V1N009 and Maintenance Work Order (WWo) 19104141. The documentation package (s) for the subject modification are available at the plant site for review upon request.

The Eddy current (ET) examinations of steam generator tubing, as required by VIGP Technical specification 4.4.5.0, were performed by Westinghouse and are discussed in the " Class 3 and Augmented Examinations" portion of this document.

GLAIS 1 PRESSURE TEST A system leaknge test (Tewt # LT-1) as required by ASKE Section XI, Table IwB-2500-1, Examination Category B-P, was performed on the Class 1 pressure retaining boundary. These visual examinations (VT-2) revealed minor leakage and boron residue coming from cachanical connections. Appropriate corrective action was initiated to correct this minor leakage.

CLASS _2 EIANINATIONS Selected Class 2 components were examined utilizing NT, PT, and UT, as applicable.

Specific components and examination areas are itemized in the applicable portions of this report document. A summary of those cooponents examined are listed belows Steam Generator No. 4 Upper shall Barrel "C" to Transition cone Wald and Lower Shell Barrel "A"

to Tube Plate 9 eld Steam Generator No. 4 Trunnion to Shell Wald Steam Generator No. 4 Auxiliary Feedwatcr Nozzle to Shell Wald RER Heat Exchanger Train "B" Welds

+

RHR Pump Train "A" Integral Attachment dupport Weld

=

CVCS Centrifugal Charging Pump Train "A"

Integral Attachment Support holds CVCS Letdown Heat 2xchanger Wald CVCS Suction Dampener Wald

+

Piping Welds Integral Attachment Suppert Welds l

The class 2 examinations resulted in sev6ral welds having reportable indications.

Five welds had indications which were detectable by either liquid penetrant or magnetic particle examination while one weld had indications which were detectable by ultrasonic examination. The remainder of the examinations did not reveal any detectable non-geometrical ir.dications of a recordable size.

For details on the reportable f.on-geometric indications observed, refer to the respective INF fourd in the IHF section of this report document. The six welds L

having reportable indications are discussed belows 1.

Residual Heat Removal System - Line 008 - support H001 (W21d No.11205-008-17A). Linear indications totalling 0.4 inches were observed during the liquid penetrant examination of weld 11205-008-17A (support H001). The indicatior5 were evaluated per ASME Section XI, Figure IWA-3400-1 and Table 2-6

VEGP-9 VMIRD REFUELING OLNAGE

^

CLASS 1 PIPING EAAMINATIONS

! AtXiMENTFS COMPONENT OR EXAM CAL EXAM

' ASPEE SECT XI -

EXAMINA %

WELD NO/

EXAM PROCEDURE CALIBRATION SHEET SHEET ITEM N0/ CAT.

REQUIREMENT

- MSCPIPTION METH ro./ REY.

40CES NO.(S)

NO.(S)

KZ$ULTS REMARt3

)

99.31' 11205-005-9 PT VEN m N/A N/A VENDOR SAT BASELINE EXAM. REFERENCE 8-J 3" P!PE CAP TO MWO 19104141 AND Dry a BRANCH CONNECTION r e-V1N0009.

J B9.21 11201-006-9 PT VENDOR N/A N/A VEN00R SAT BASELINE EXAM. REFERENCE s-J 3" PIPE CAD.70' MWO 19104141 A W DCP #

BRANCN CONNEfTI:*.U 97 *V1 NOM 9.

.59.21 11201 C07-9 PT VENDOR N/A N/A VE,W SAT BASELINE FLiM. REFERENCE-B-J -

3* PIPE CAP TO MWO 19104141 AND DCP #

BRANCH CONNECTION 91-#1N00 E 99.21 11201 008-9 PT VENDOR N/A N/A VENDOR SAT SASELINE EXAM. REFERENCE 8-J 3" PIPE CAP TO MJO 19'04141 42 Dro #

BRANCN CONNECTION.

91-Y1N0009.

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2" THERM 0lELL TO MWD 19104141 A s DCP # -

BRANCH CCkMECTION 91-V1N0009.

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. B-J 2" TNERMOWELL 70 '

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?1-V1N0009.

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VEGP-1 TXtRD REFUEll'G OUTAGE CLASS 1 ?IPING EXAMINATIONS it AUGMENTED COMPONENT OR EXAN CAL EXAM ASPE SECT XI EXAMINATION WELD N0/

EXAM PROCEDURE CA*_IMATION SMEET SHEET ITEM N0/ CAT.

REQUIREW 4T DESCRIPTION METH No./PEV.

ELOCKS No.(S)

No.tS)

REstATS REMAPES B R.50 11201PSYS0108 VT-3 PER MWO 1/A N/A.

N/A SAT RR-27/ EXAMINED WILE 8-M-2 VALVE INTERNAL 19104675 Dt!ASSEmsLED.

SURFACES

1. 7.70 11201PSV8010C VT-1 VT-V-715/01 N/A N/A

$91V1V180 SAT EXAMINED IN PLACE.

' S-G-2 VALVE BOLTING 812.50 11201PSV8010C VT-3 PER MWO N/A N/A N/A SAT RR-27/ EXAMINED WPld 8 41-2 vat lC INTERNAL 19104675 DISASSE;1 BLED.

SwAFACES 812.50 112C406080 VT-3 PEE MWO N/A N/A N/A SAT RR-27/ EXAMINED w tLE 8 - 6. -2 VALVE INTERNAL 19102241 DISASSEMBLED.

SURFACES 812.50 1120406084 VT-3 PER MWO N/A N/A N/A SAT Rt-27/ EXAMINED WILE 8-c; 2 VALVENTEauL 19102242 DISASSEMBLED.

SURFACES o-3 3

EQUIPMENT DRAWINOB - (continued)

Drawing Drawing Revision Systeja

Number, hpber.

Chemical and ISI-12208-P6-002 1

Volume Control 181-11208-E6-003 1

ISI-11208-V4-001 0

Safety Related IS7-11592-T7-001 0

(EsF) Chillers PIPING PRAWINGS D* Jawing Drawing Rayleion Bystem Number Mumber Reactor Coolant 151-11201-005 3

15I-11201 006 3

ISI-11201-007 3

181-11201-000 3

181-11201-009 3

ISI-11201-010 3

2SI-11201-011 3

18I-11201-012 3

181-11201-053 6

152-11201-056 4

ISI-11201-057 4

ISI-11201-058 3

181-11201-116 4

XsI-11201-117 2

161-11201-118 3

28I-11201-119 3

Nuclear barvice ISI-11202-001 (Sh. 1) 2 Cooling Water 181-11202-001 (sh. 2) 3 ISI-11202-196 (Sh. 1) 2 181-11201-196 (Sh. 2) 2 ISI-11202-223 (sh. 2) 2 181-11207-275 (Sh. 1) 2 181-11202-225 (Sh. 2) 2 Safety Injection IrI-1F 34 *36 (Eh. 2) 3 181-1 104-008 (Gh. 1)

Is!-11204-008 (sh. 2) 3 181-11204-01?

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181-11204-012 6

181-11204-014 (sh, 1) 0 181-11204-014 (Sh. 2) 1 IsI-11204-037 (Sh. 1) 2 IsI-11204-037 (sh. 2) 2 ISI-11204-037 (Sh. 3) 0 18-2

PIPING DRAWINGS - (continued)

Drawing Drawing Revision ly2fJa

NumbeL, Mumher Salet/ Injection ISI-11204-057 (sh. 1) 3 (continued)

Is!-11204-057 (sh. 2) 4 151-11204-057 ish. 3) 3 ISI-11204-125 1

Residual Heat Removal 181-11205-003 (8h.1) 4 ISI-21205-003 (sb. 2) 4 161-11205-004 5

181-11205-005 5

ISI-11205-006 6

181-11205-007 (sh. 1) 4 181-11205-007 (Sh. 2) 6 ISI-11205-008 (sh. 1) 4 181-11205-00d (sh 2) 5 181-11205-009 3

ISI-11205-010 4

contk_nment spray ISI-11206-008 0

Chemical and 181-11208-022 (Sh. 1) 2 Volume Control ISI-112CS-046 1

ISI-11208-047 3

ISI-11203-123 (Sh..)

2

".11-11208-123 (Sh. 2) 2 782-11208-137 5

ISI-11208-139 (Sh. 1) 5 18I-11208-141 4

1s1-11203-146 1

181-11208-410 0

ISI-11208-411 4

Main steam ISI-11301-104 3

187-11301-105 2

ISI-11301-106

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ISI-11301-107 3

Auxiliary Feedwater 181-11302-107 5

181-11302-108 5

ISI-11302-109 6

18I-11302-110 4

Concansate and 78I-11305-058 2

Fea0sater IuI-11305-060 2

ISI-11305-062 3

181-11305 064 2

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