Text

Rev 2 to ISI-2R2-01, Unit 2 ISI Plan
	ML20217P153
Person / Time
Site:	Comanche Peak
Issue date:	02/12/1998
From:	; TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To:	;
Shared Package
ML20217P142	List: ML20217P136; ML20217P153;
References
	ISI-2R2-01, ISI-2R2-1, NUDOCS 9803100063
	Download: ML20217P153 (44)
	v • d • e

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f' APPENDIX E - L TCX ISOMETRIC DRAWINGS TABLE l i'f' TCX# REV* I TCX-2-2200 3 l TCX 2 2201 2 l TCX 2 2202 i TCX 2-2203 /3 J TCX 2 2204 2 T'R o\ TCX-2-2300 3 TCX 2 2301 2 TCX 2-2302 3 TCX 2 2303 3 f TCX-2 2400 3 i TCX-2-2401 . 2 TCX 2-2402 2 TCX 2-2403 2 TCX 2 2500 3 TCX 2-2501 3 TCX 2 2520 2 TCX 2-2521 1 TCX-2-2530 2 TCX 2 2531 1 1 TCX 2-2532 TCX 2-2533 2 TCX 2-2534 2 TCX 2 2535 2 TCX 2-2536 2 TCX 2 2537 1 TCX 2-2538 1 TCX 2-2538A I TCX 2-2539 1 TCX 2-2539A 1 TCX 2-2540 2 TCX-2 2541 2 i TCX 2 2542 1 TCX 2-2550 I l TCX-2 2551 1 O . i Ap.> calix E - Page J of 4
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CPSES UNIT 2
,- RELIEF REQUEST B-4 -
A. Item for which reliefis requested: TCX-1-2100-1 TCX-1-2100-Il . Pressurizer Lower Head to Shell and Surge Nozzle to Vessel Welds
'B. Item Code Class:
1 C. Examination requirement from which reliefis requested:. . The requirement for volumetric examination of 100% of the weld length as described in Table IWB-2500-1, Examination Category B-B, Item No. B2.11 and Examination Category B D, Item B3.110. D. Basis for relief: The specific examination area geometry of the lower head to shell weld and interferences from instrumentation lines, welded pads and the support skirt preclude the complete O ultrasonic examination of the volume required by Fig. IWB-2500-1 for weld TCX-1-2100-1. Approximately 16% of the volume did not receive the full code required coverage. Best effort examinations were performed. Full circumferential scan coverage was obtained. Axial scan coverage was achieved for approximately 97% of the required volume in at least one beam path direction with one angle. The specific examination area geometry of the surge nozzle to vessel weld and interferences from pressurizer lower head heater penetrations preclude the complete ultrasonic examination of the volume required by Fig. IWB-2500-7 for TCX-1-2100-11. Approximately 48% of the volume did not receive the full code required coverage. Best effort examinations were performed. Full circumferential scan coverage was obtained. Axial scan coverage was achieved for approximately 65% of the required volume in at least one beam path direction with two different beam angles and for approximately 80% of the required volume in at least one beam path direction with one beam angle. There were no recordable indications identified by the best effort examinations performed. See pages 2 through 6 for weld locations and examination area conFgurations. a E. Substitute examinations: None F. Anticipated impact on the overall level of plant quality and safety: None Page 1 of 6 l
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I l l A , CPSES UNIT 2 RELIEF REQUEST NO. B-4 PAGE 3 OF 6 LJ WESTINGHOUSE NUCLEAR SERVICES DMSION LIMITATION TO EX AMINATION PLANT COMANCHE PEAK UNIT 2 SKETCH TCX.12100 REV.1 SYST/ COMP. PRESSURIZER PROCEDURE TX-ISI.210 REV. 4 EXAMINERMkb NM_ d8 684,/c DATE 11-11 97
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e i ~ (~~ CPSES UNIT 2 RELIEF REQUEST NO. B-4 PAGE 5 OF 6 L} WESTINGHOUSE NUCLEAR SERVICES DMSiON UMITATON TO EXAMINATION PLANT COMANCHE PEAK UN!T 2 SKETCH TCX 12100 REV 1 SYST/ COMP, PRESSURIZER PROCEDURE TX-tSL210 REV. 4 EXAMINER b A -- _a_0 0' m DATE 11-05-97 U i nsLATso fo: UT X PT art wT mawT. ese. 11 I PMovtOS cesseAAL InsponesAftess TO DEACRIBE APPWICAsh4 ATE SEE, LOCATION ASID TYPE OF LJher7ATIDet l
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4 CPSES UNIT 2 RELIEF REQUEST B-5 A. Item for which reliefis requested: TCX-1-3100-2-1 Steam generator tubesheet-to-channel head weld B. Item Code Class: 1 C. Examination requirement from which reliefis requested: The requirement for volumetric examination of 100% of the steam generator tubesheet-to-channel head weld as described in Table IWD-2500-1, Examination Category B-B, Item No. B2.40. D. Basis for relief: Interferences from the steam generator tubesheet flange (or support collar) configuration and from welded insulation support pads preclude the complete ultrasonic examination of the volume required by Fig. IWB-2500-6. Approximately 31% of the examination volume of O weld TCX-1-3100-2-1 did not receive the full code required coverage. See pages 2 thru 5 for weld location and examination area configurations. There were no recordable indications identified by the volumetric examination performed on the accessible portions of the weld. E. Substitute examinations: None F. ~ Anticipated impact on the overall level of plant quality and safety: None !O l Page1of5
[a . CPSES UNIT 2 RELIEF REQUEST NO. B-5 PAGE 2 OF 5 s.' ! ; , st- I z ou o 1 N
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3 , CPSES UNIT 2 RELIEF REQUEST NO. B-5 PAGE 3 OF 5 WESTNBHOUSE NUCLEAR SEfMCES DMS40N UMITATION TO EXAMINATION PLANT COMANCNE PEAK UNIT 2 SKETCH TCx.13100 REv1 SYSTJCOMP. STEAAf GENERATOR 2 PROCEDURE TX4sL210 REV 4 EXAMINER N - A'18 _ d e, /._ DATE 11-18-e7 namom vr x pf m vr sawr. no. 21 pneutBS SWWIAL - hus. TO M AppetammeATS em LaOAftBN ABS TTpg SP LANTAftaus. I 1 1 S' sIbE Support COLLhR
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SEVENTREN 2.5" X 2_8" WELDED PADS APPROXMATELY T FROM THE CENTERUNE UMITS 80* SCAN SUPPORT COLLAR LhifTS 90* SCAN 0* 22% NOT EXAtmMED 45* 22% NOT EXAMINED 80* a 31% NOT EXAMINED l 31% OF REQUHtED EXAMINATION VOLUME NOT EXAANNED l SCE LMITATK)N AND WELD PROFILE EXAAmNATION DATA SHEET 4 g g yj g U
i j ,/ ' ** ! '/~' CPSES UNIT 2 RELIEF REQUEST NO. B-5 PAGE 4 OF 5 l l
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CPSES UNIT 2 RELIEF REQUEST NO. B-5 PAGE 5 OF 5 l ( i. l.
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CPSES UNIT 2 I RELIEF REQUEST B-6 f A. Item for which reliefis requested: l TCX-1-4201-7 Circumferential Piping Weld l l . B. Item Code Class: i 1 C. Examination requirement from which reliefis requested: The requirement for volmaetric and surface examination of 100% of the weld length as described in Table IWB-2500-1, Examination Category B4, Item No. B9.11. l D. Basis for relief: l The specific pipe to valve examinati: geometry anc interferences from reactor building structural steel members preclude the complete ultras.mic examination of the volume required by Fig. IWB-2500-8. Approximately 21% of the volume did not receive the full code required coverage. See pages 2 and 3 for weld location and examination area O configuration. There were no recordable indications identified by the volumetric examination performed on ! the accessible portion of the weld or by the complete surface examination performed. l i E. Substitute examinations: None - howe ct, welds at this :;ame location in loops 1,3 and 4 are included in the ISI Plan and are scheduled for examination during this inten al. F. Anticipated impact on the overall level of plant quality and safety: i f None ;
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l CPSES UNIT 2 RELIEF REQUEST NO. B-6 PAGE 2 OF 3 j WESTINGHOUSE NUCLEAR SERVICES DMSION UMITATION TO EXAMINATION PLANT COMANCHE PEAK UNIT 2 SKETCH TCX-1-4201 REV. 3 , SYSTJCOMP SAFETY INJECTKNWREACTOR COOLANT PROCEDURE TX-ISI-214 REV. 2 EXAMINER IM k. DATE 12-97 asuve m w X n m vi me n..e. 7 anovies - swensaareme to assonne ammansats aus, Locations ase two or unsvarion. J V l O - 7 I I l
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utt.,0 7-- HANGER RESTRICTS EXAMINATION FOR T* AT BOTTOM OF PIPE, 21% NOT EXAMINED O Asn LJa 11,il,s,-
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! ' ~T l / CPSES UNIT 2 RELIEF REQUEST NO. B-6 FAGE 3 OF 3 l l l l WESTINGHOUSE NUCLEAR SERVICES DMSI'.)N INSPECTION SERVICES PROFILE OF THE EXAMINATION VOLUME PLANT COMANCHE PEAK UMT 2 SKETCH TCX-1-4201 REV. 3 SYST/ COMP. __ SMETY WMECTIOWREACTOR COOLANT PROCEDURE TX-ISI-214 REV. 2 WELD IDENTFICATION 7 DATE 11-12-97 EXAhmNER _&% S. bbddm 4 4s 188- .[ 16 MS
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%- - RELIEF REQUEST k)~
L C-2 L 'A. Item for which rcliefis requested: I 1 1 TCX-2.ll50-5,6 y l; Regenerative Heat Exchanger Shell to Tubesheet Welds ! L B. Item Code Class: 1 2 J i- C. Examination requirement from which reliefit requested: J l' The requirement for volumetric examination of 100% of the weld length as described in Table IWC-2500-1, Examination Category C-A, item No. C1.30. D. Basis for relief: 1 l' L . Interferences from the heat exchanger inlet and outlet nozzles preclude the complete
, ultrasonic ext.mination of the volume required by Fig. IWC-2500-2. Approximately 10% of the weld length did not receive the full code required examination. See pages 2 through 6 s for weld locations and examination area configurations.
There were no recordable indications identified by the volumetric examination performed on the accessible portion of the weld length. 1 l E. Substitute examinations:
. None F. Anticipated impact on the overall level of plant quality end safety: )
None 4 l l i l O Page 1 of 6 i j
1 es ( .., l , ( CPSES UNIT 2 RELIEF REQUEST NO. C-2 PAGE 2 OF 6 i : I N Bu &
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A CPSES UNIT 2 RELIEF REQUEST NO. C-2 PAGE 3 OF 6 WESTINGHOUSE NUCWAR SERVICES DMSION UMl7ATION TO EXAMINATION PLANT COMANCHE PEAK UNIT 2 SKETCH TCX-21150 REV.1 SYST/ COMP. REGENERATIVE HX PROCEDURE TX-ISI-214 REV. 2 EXAMINER b -/. 48-:-- , DATE 11-16-97 g wTuo To: m X PT uf w _ ment. eso. 5 PROWlE SWWLAL aspofuentices TO DSDORSE APMt0AAAATE BEE, LOCATION AIS TYPE OP u.JITAftDeL
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mto g __ 'I _ _ _ 0' - Rc D*EA g e a. 9 o' ise' G10' s SIX INSH NOZZLE AND THREE INCH NOZZLE UMT 2 SCAN 10% NOT EXAMNED I O O nim e. ,J dl M, I o
l CPSES UNIT 2 RELIEF REQUEST NO. C-2 PAGE 4 OF 6 WESTINGHOUSL NUCLEAR SERVICES DMSION UMITATION TO EXAMINATION UNIT 2 SKETCH TCX-21150 REV.1 PLANT COMANCHE PEAK REGENERATIVE HX PROCEDURE TktSI-214 REV. 2 SYST/ COMP.
. / /- - DATE 11-16-97 EXAMINER e- 2. _
vr Warr. No. 6 natafso To: vi X __ rr arr __ Papwed SW0stAL IMPOAMATION To DESCIWHE - . W SEE.(DCA780N AND TYPE OP UbNTAT100L AzDucER _ __ - ~ 69* l WR LD ( "" " g b 4 SIX WCH NOZZLE AND THREE HCH NOZZLE UMIT 2 SCAN 10% NOT EXAMINED O - m. ., m . .,. ,
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',#3 CPSES UNIT 2 RELIEF REQUEST NO. C-2 PAGE 5 OF 6 U '
l l WESTINOM'SE NUCLEAR SERVICES DMSION INL.'ECTION SERVICES I PROFILE OF THE EXAMINATION VOLUME PLANT COMANCHE PEAK UNIT 2 SKETCH TCX-21150 REV.1 ) SYST. COMP REGENERATIVE HX PROCEDURE TX-ISI-214 REV. 2 I WELD IDENTFICATION 6 DATE 11-16-97 EXAMINER A l l l' q usAs* I 41 ., s I!! __ l l -
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CPSES UNIT 2 RELIEF REQUEST NO. C-2 PAGE 6 OF 6 WESTNGHCUSE NUCLEAR SERVICES DMSION INSPECTION SERVICES
PROFILE OF THE EXAMINA110N VOLUME PLANT COMANCHE PEAK UNIT 2 SKETCH TCX-2-1150 REV.1 SYST/ COMP. REGENERATIVE HX PROCEDURE TX lSI-214 REV. 2 WELD lDENTFICATION 6 _ DATE 11-16-97 EXAMINER /k
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P l CPSES UNIT 2 RELIEF REQUEST [C/. l Q. C-3 l-l A. liem for which reliefis requested: TCX-2-2301-H1 Piping Integral Welded Attachment B. . Item Code Class: i 2 C. Examination requirement from which reliefis requested-The requirement for surface examination of 100% of the weld area as described in Table IWC-2500-1, Examination Category C-C, Item No. C3.20. D. Basis for relief: The specific component support configuration precludes the complete surface examinatina of the area required by Fig. IWC-2500-5. 8 of the 16 welded lug attachments are inacccMble due to 2 % inch thick plates that surround the pipe clamp and are welded to an anchor b;;1ted wall plate. See page 2 for weld locations and examination area configurations. l There were no recordable indications identified by the surface examination performed on the l accessible lug attachment welds. l E. Substitute examinations: None F. Anticipated impact on the overall level of plant quality and safety:
' None Page 1 of 2
l ',.*,+, I O CPSES UNIT 2 RELIEF REQUEST NO. C-3 PAGE 2 0F 2 ros vie w swear vw w w w i l i i i
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' g*A , ICR NO. AFFECTED PAGEf Si DESCRIPTION OF CHANGE l ISI-2RI-01 Section 2.0 RHR dwg., Sh.1 & 2 incorporate DM 94-45 Section 5.0 Table 9 page 115 lt ISI-2Rl-02 Section 4.1 pg's 6,37,40,43,46 Change cal blocks, 52,61,69,70,71,74 reschedule exams Section 4.2 pg. I19 add Relief Request App. A pg.2 1 App. B pg. 2 - ISI-2Rl-03 Section 2 Replace pages )
l. ' CS dwg. Sh.12 of 13 I l Section 5, Table 9 l . pg's 25,31 and notes .
App. B pg. 2 l l ISI 2R2-01 Section 4.1,4.2 and 4.3 Change cal blocks, pages 35,42, 51, 61,69, 76,172,199, reschedule exams, add relief - 200,201,212,213,225,226,229,230, requests, update sketch rev. #'s ! 237,238; App. A pg. 2, RR's B-4,5,6, C-2,3; App. B pg 2; App. E pg 3 l l V l l l' l' l i l I
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Appendix B- Page 2}}

ML20217P153

Text

Reference:

SUMMARY

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