L-12-276, Technical Specification 5.6.6 Steam Generator Tube Inspection Report
| ML13025A255 | |
| Person / Time | |
|---|---|
| Site: | Davis Besse  |
| Issue date: | 11/30/2012 |
| From: | Lieb R FirstEnergy Nuclear Operating Co |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| L-12-276 | |
| Download: ML13025A255 (30) | |
Text
FENOCtm 5501 North State Route 2 FirstEnergyNuclear OperatingCompany Oak Harbor,Ohio 43449 Raymond A. Lieb 419-321-7676 Vice President,Nuclear Fax:419-321-7582 November 30, 2012 L-12-276 ATTN: Document Control Desk U.S. Nuclear Regulatory Commission Washington, DC 20555-0001
SUBJECT:
Davis-Besse Nuclear Power Station Docket No. 50-346, License No. NPF-3 Technical Specification 5.6.6 Steam Generator Tube Inspection Report The FirstEnergy Nuclear Operating Company, in accordance with the Davis-Besse Nuclear Power Station (DBNPS) Technical Specification (TS) 5.6.6, "Steam Generator Tube Inspection Report," hereby submits a report of the steam generator tube inspections performed pursuant to TS 5.5.8, "Steam Generator (SG) Program." The attached report summarizes those inspections performed during the spring 2012 refueling outage.
There are no regulatory commitments contained in this submittal. If there are any questions or additional information is required, please contact Mr. Thomas A. Lentz, Manager- Fleet Licensing, at (330) 315-6810.
Sincerely,
"/
- Raymond A. Lieb
Attachment:
Davis-Besse Nuclear Power Station Steam Generator Tube Inspection Report cc: NRC Region III Administrator NRC Resident Inspector NRC Project Manager Utility Radiological Safety Board bo
'Attachment L-12-276 Davis-Besse Nuclear Power Station Steam Generator Tube Inspection Report Page 1 of 28 Following completion of a steam generator inspection performed in accordance with the Davis-Besse. Nuclear Power Station (DBNPS) Technical Specification (TS) 5.5.8, "Steam Generator (SG) Program," TS 5.6.6, "Steam Generator Tube Inspection Report," requires a report of the inspection to be submitted to the Nuclear Regulatory Commission within 180 days.
after the initial entry into MODE 4. This report summarizes the steam generator tube inspection performed during the DBNPS spring 2012 refueling outage.
The organization of the report is as follows:
Section 1 Scope of Inspections Performed on Each SG (TS 5.6.6.a),
Section 2 Active Degradation Mechanisms Found (TS 5.6.6.b),
Section 3 Nondestructive Examination Techniques Utilized for Each Degradation Mechanism (TS 5.6.6.c),
Section 4 Location, Orientation (if Linear), and Measured Sizes (if Available)
- of Service Induced Indications (TS 5.6.6.d),
Section 5 Number of Tubes Plugged or Repaired During the Inspection Outage for Each Active Degradation Mechanism (TS 5.6.6.e),
Section 6 Total Number and Percentage of Tubes Plugged or Repaired to Date (TS 5.6.6.f),
Section 7 Results of Condition Monitoring, Including the Results of Tube Pulls and lnsitu Testing (TS 5.6.6.g),
Section 8 Effective Plugging Percentage for All Plugging and Tube Repairs in Each SG (TS 5.6.6.h), and Section 9 Repair Method Utilized and the Number of Tubes Repaired by Each Repair Method (TS 5.6.6.i).
Common acronyms used throuahout this report
%TW Percent Through-Wall AFW Auxiliary-Feedwater AX LEN Axial Length of indication in inches CIRC LEN Circumferential. Length of tubing circumference of indication in inches DEG MODE Mode of Degradation DEPTH Flaw Depth in Percent of Wall Thickness GMD Geometric Mean Distortion ID Inside Diameter IGA Intergranular Attack IND Indication Type/Orienrtation LBLOCA Large Break Loss of Coolant Accident
Attachment L-1 2-276 Page 2 of 28 Common acronyms (continued)
LSE Lower Sleeve End LTE Lower Tube End LTS Lower Tube Sheet MAA Multiple Axial Tube-end Anomaly MAI Multiple Axial Indication MBM Manufacturing Burnish Mark MCO Mid-Cycle Outage NQS Non Quantifiable Signal OD Outside Diameter ODI Outside Diameter Indication ODSCC Outside Diameter Stress Cracking
_Corrosion OPB Outside Pressure Boundary (above repair roll)
OTSG Once-Through Steam Generator (also SG)
PWSCC Primary Water Stress Cracking Corrosion RFO Refueling Outage SAA Single Axial Tube-end Anomaly SAI Single Axial Indication SBLOCA Small Break Loss of Coolant Accident SCI Single Circumferential Indication SG Steam Generator (also OTSG)
SLB Steam Line Break SVI Single Volumetric Indication TSP Tube Support Plate TW Through-Wall TWD Through-Wall Degradation USE Upper Sleeve End UTE Upper Tube End UTS Upper Tube Sheet xxS Support Plate Number 4
Attachment, L-1 2-276 Page 3 of 28 Section 1 Scope of Inspections Performed on Each SG (TS 5.6.6.a)
Number and Extent of Steam Generator Tubes Inspected Davis Besse 17RFO Eddy Current Exam Scope SG 2-A SG I-B Periphery AFW Header to tube gap analysis to determine if the header is moving 336 378 Full lenfth bobbin, examination of all in-service non-sleeved tubing 14552 14868 Full length bobbin, examination of I0D% of sleeves 199 212 PoinrtTM exam of the sleeve at the point of entry (USE) and parent tube pressure boundary portion extending approxniately 6 inches past the sleeve end (LSE) of 100% of the sleeves- (the parent tube between the bottom of the upper most sleeve roll and the top 199- 212 of the middle sleeve rofl may be excluded from inspection since it is not a pressurre boundary)
+Pointf" inspection of non-sleeved in service upper tube roll expansions (100%) including 14552 14868 non stress relieved upper repair roll expansions and factory re-rolls
+Pointm coil examination of a sample of the non-sleeved in-service tubes in the upper tubesh-eet region from tube end including tube end, upper rol expansion and crevice to 2911 2974 upper tubesheet exit
+PoJntT inspection of 20%, of the in-service stress relieved lower tube roil expansions and.
tube ends in OTSG 2-A (including tube 127-67 with NSRT)
+PointT" inspection of in-seruice stress relieved lower tube roll exparsions and tube ends 0 15085 in OTSG I-B 100% . 15080
+PointTM coil ePxamination of the tubes borderina the sleeve.region 86 85
+PointTM coil examination of a21the flaw-like indications (i codes, T-D. per 4.1.3.G and 721 428' 4_2.3G and new DNT) reported from Bobbin
+PoGint.Tm coiI examination of all NOS and PABM indications above 093 +1" (Note change in 153 160 scope from -above 10S -2")
+Point:7- coil examination of all dent indications below 14S (100% sample ofal l 242 212 previously reported and new dents using a *225 volt bobbi:n threshold)
+PointTM coil examination of all dent indications :ý1 volt above 14S in the non-periphery 337 432 region m
+Point.T coil examination of all dent indications -'0.5volts above 14S in the periphery 25 31 region
+PointUT" coil sample inspection of lower tubesheet sludge pile region tubes 1445 1687 Sleeve bobbin and '+PointTn coil inspectioq of all previously identified geometric G 40:
distortions (40 tubes in OTSG I-) -B
+Pointm coil inspection of all preViously identified and new magnetic stain (MAG) 0. 23.
indications Visual plug exams of all plugs in upper and lomer (100%) 1412 754
Attachment L-12-276 Page 4 of 28
.Section 2 Active Degradation Mechanisms Found (TS 5.6.6.b)
Degradation Mechanism OTSG 2-A OTSG 1-B Upper Tube End Axial PWSCC 154 87 Upper Tube End Circurmferen*ial[ PWSCC 5 0 Freespan Volumnetric Degradation Adj acent to TSPs 0 0 Upper, Lower Tubesheet and.Tube Support Crevice 0 1 Volurnetnc Wear at Tube Supports 815 474 Freespan Axial ODSCC I iGA at Upper Bun-dle Denting 0 0 from Auxiliary Feedw-ater Stabilization Axial ODSCC / IGA (Groove [GA) 8 24 Upper Tubesheet Rolled Region Axial PWSCC 28 15 Lower Tube End and Lower Tulbe End Expansion 0 1 Transition, Axial PW.SCC Low*r Tube End and Lower Tube End Expansion 0 38 Transition. Circumferential PWSCC
Attachment L-12-276
-Page 5 of 28
-Section 3 Nondestructive Examination Techniques Utilized for Each Degradation Mechanism (TS 5.6.6.c)
The eddy current examinations were performed utilizing various eddy current probes. The bobbin coil technique was used to perform the standard American Society of Mechanical Engineers (ASME) Code examination for flaw detection; This technique was applied to the complete length of all in-service tubes. .The rotating +PointTM was used to examine specific areas of interest.. These areas included upper tube end roll expansion regions, upper tubesheet crevice region, critical areas of tubes bordering the sleeved (lane and wedge) region, non-stress relieved roll transitions, the lower tubesheet crevice region, various'dent and wear locations, and other locations with non-quantifiable bobbin signals. These techniques were also used to characterize indications of interest reported by the bobbin technique. Both
+PointTM and bobbin techniques were used to examine tube sleeves. The rotating +PointTM probe was applied to the rolled regions and lower sleeve end while the bobbin probe was used to examine the unrolled portion. Both bobbin coil and the pancake coil were used to provide depth sizing of tube support plate wear indications. The largest tube support plate wear indication depths from either technique are reported. All examination techniques utilized were qualified for detection of the relevant and potential degradation mechanisms. This qualification is in accordance with the Electric Power Research Institute (EPRI), "Steam Generator Management Program: Pressurized Water Reactor Steam Generator Examination Guidelines, Revision 7."
The applicable examination technique specification sheets (ETSS) are listed for reference only. Site-specific examination techniquesheets are developed prior to each steam generator inspection in accordance with Appendix H or I (as applicable) of the EPRI SG examination guidelines.
4
Attachment L-12-276 Page 6 of 28 NDE Examination Techniques DegradatJion Location Pro-be' TyE Mechanism___________________
ODSCC/IGA Tubesheet Crevice Bobb*i 96009A or Vol~umetic Degracdation ODSCCt1GA Freespan,rTSPs,:a. "obbi: [28411 [28413 or and Sludge i[e volumetiec Degradafdon
- = . -:.AFZEVA.Reports Wear TSPs Bobbin pýor.-
,.. . - ,. .77-:501:.1531 &
51-5016050 Sleeve: Sleeve, Robbitn 9.60Bg Degr:adation TSP TSP Bobb!n AREVA Report 77-5003013 Damage:.' or Loose Parts PWSCC TubeEnds aErd Roll +PointIrh! 205t1 Jt' 205 fO.IAreva Expansions Report 51-500*345.
)DSuCC/GA :Tubelsh64 Crevice 4÷Pointm 1 214101224h0111 28,24, or near D.ents 1284251 [28431*128432'.
Wear -Ts.P- +POintjTM 9,69V101i ODSCCtIGA- Freespan. and +/-PointT 214101 1 228421:,
Expahsioi-i 22,401 A 128 424 M242-5, Trqnsifion. 128431, 1284-32 PWSCG Sleeve: tPoiti .9, "12j, 96912.21 plug, "4"ck-Jn r ::ra Welded2Pig,
"....: . ....:Erxam, V9i nabon"":-
- n.
Attachment L-1 2-276
- Page 7 of 28 Section 4 Location, Orientation (if Linear), and Measured Sizes (if Available) of Service Induced Indications"(TSj5.6.6.d)
Axial Indications SGý Count: Row Tube Ind Vols TSP Inchl Probe DBepth Ax Len Degradation. Mode 2-A 1 8a 57 SAM 8.210 1,5S -1.75 520PP 34. 030. Groove IGA 2-A 2 268 81 MAI 8L58 UTE -3.50 520PP 80 0117' ReRaol Transition PWSCC 2-A 3 310 79 Mt£( 1.34 UTE -2197 52FPP VS 9-19,* Roll Transition PWSGC 2-A 4 91 69 SAl 0.111 UTS -17.80 52FPP 22 0.15 Groove1GA 2-A 5 6 7 "SA 8.15 15S 25 520PP 25 0.35 Groove IGA 2-A a 81 52 SAil 0.10 UTS -4J73 520FFP 65 .20 Groo.,e IGA 2-A 7 105 109- MAI. 1.44 UTE 39 52OPP 74 G.25 ReRolf Transition PWSCC 2-A 8 P1 :12f MAf 1-23 UTE 24 52OPP 82 G.21 ReRoll Transition PWSCC 2-A 9: D8 9 A-I 1.82 UTE ..2 520PP 89 t.19 ReRoll Transition PWSCC 2-A 10 ED 7 IA, I.17 UTE -3.03 520PP 56 Dt18. ReRoliTransition PWSCC 2-A ;11 P3 6 KAIt 103 UTE -3.13 52FPP 95 0-22 ReRoll Transition PWSCC 2-A 12 10 1 &SA, 0.13 15S -3.22 52FPFP 41 0.35 Groove IGA 2-A. 3 75 45 SAA 1.83 UTE -5.500 525PP 42 0.15 ReRoll Transition PWSCC 2-A 14 26 82 MA, 1.09 UTE -3.41 520PP 95 0.27 ReRll Transition PWNSCC 2-A 15 22 92 MAI 1.97. UTE -2.99 520PP 84 0.19 ReRoll Txansit*on PWSCGC 2-A. 6 48 4 MIA,: 0.,51 UTE -3.36 520PP 48 0.19 ReRollTmansitkon PWSCc 2-A 17 103 TB SAl 0.54 UTE -3.13 520PP 55 0.17 ReRolt TTansition PWSCC 2-A 18 21 lb MA, 0.51 UTE -2.98 52FPP 45 0.19 ReRoll Transition PWSCC 2-A .19 20 889 MA,! 0.97 UTE -3.162 52FPP 72 0.22 ReRIf Transitkon PWSCC 2-A 20 106 3 MA! 2.67 UTE -3A7 525PP 42 027 ReRoll Transition PWSCC 2-A 21 21 48 MAt 0.73 UTE -325 52FPP 97 0-24 ReRolt Transition PWSCG 2-A 22 114 109 MA! 1.72 UTE -3.25 52FPP 72 0.22 Re~ol[Transitbion PWSCC 2-A 23 85 73 SA 8.18 D UTS -17.91 520PP 34 0.29 Groove 1GA 2-A 24 1:18 10-3 MA! 0.82 UTE -3.12 520PP 80 0.17 ReRolI TTansition PWSCC 2-A 25 24 51 MAI 1.75 UTE -324' 52FPP 99 0.23 ReRolt Transition PWSCC 2-A 26 22 1B MA! 120 UTE -3.53 525PP .I00 0.2G ReRoll Transition PWSCC 2-A 27 18 13 NW! 0.33 UTE -307 520FPP 92 0.22 ReRoll Tansition PWSCG 2-A 28 11 a MAt 2.85 UTE -3.06 520PP 92 0.1a ReRoll Transition PWSCC 2-A 29 58 9 - MAI 1.97 UTE -3.-4 520PP 619 0.23 ReRoll Transition PWSCC 2-A 30 151 113 SAI 8.12 155 3.44 520PP 51 0.32 Groove ýIGA 2-A. 31 149 20 SAl 0.09 1,5S 1.48 520FP 42, 0.35 Groove IGA 2-A., 32 15 11 MAI 058 UTE -3.35 520PP 78 0. 7 ReRoll Transition PWSCC 2-A 33 35 26 MA! 1.,04 UTE -3.51 520PP 96 1121 -RRe!!.-1 Transifion PWSCC 2-A , 9- 8 SMA 1.03 UTE 13 520PP 65 0.21 -ReRol[Transition *WSCC 2-A 35 0.915 UTE -4.87 520PP 57 0.14 ReRoll Transition PWSCC 2-A 3.6 92 7 SAI 1.65 UTEf C9 520PP 78 0..22 'ReRoll Transibion PWSCC 1-B 37 52 03 SAI 0.91 UTE 87 520PP 52 0-20 ReRoll Transition PWSCC
- 1-B 38 21 90 SAM 027 14S 31.50 .520PP 54 0.58 Groove IGA 1-B 32 58 61 SAM 0.15 15,3 23.37 52OPP 1G 0.25 Groove IGA 1-Z :40 9 23 SAI 8.90 UTE -3.00 520PP 70 1017 RePolI Transition PWSCC 1-B 41 109 . 1t SJ 0.32 10L3 -2_23 52OPP 19 1.59. GrooveIGA
.1-B -42 113 116. SAI (.10 12S -15.25 52FPP 15 0.30 Groove IGA 1-B 43 65 DO SAM D.67 UTE -1.45 520PP 53 G0.14 Roll Transition :PWSCG 1-B 44 151 3 SAl (.18. 1-5S -1.41 520PP 37 0.32 Groove tGA 1-B '45 77 0B MUA o' 0.3 UTE 44 520PP V2 D-1 S Roll Transition F'WSCC I-B 46 108 106 MIAI 0.58 -JTE -3.41 520F "73 0t1 ReRoll.Tfansition PWSCc
,..1 Attachment L-1 2-276 Page 8 of 28 Axial Indications (continued),
JSG. Count :RoW Tube Ind Volts TSP., lmnh. Probe,ý i.epit Ax.Len Degradation Md*de 1-B 47 1:13 110 U ,,MId 0.46 I.TE -3.10 520FPP. , - .26 0 ReRollTiarnsition.PWSCC I-B A43 10G :74 M?4, 0.72,: UTE -3.00 52FPP 88 .*15 ReRoll Transition PWSCC I-B 4 130 73 S D.3, UT,.E -4* 4 520FF
- 4 O 5 B.12 ReRollTransition PWSCC 1-B: 50 77 :8 SA .54-, UTE -1.477 '520PF. 53 D-18 . Rol Transi i6D PWSCC
.1-B 51 1i:203 e2: SAI 065l UTTE -1.0 "520FP :70 014 Roll TianitriP PW3S CC I-B 52 104 11t M'AI; 1-74 UTE -5.24, 520FPP 4 0-17 ReRollTransition"PWSCC 1-B . 53 104. 1 t8 fbAl 11.7. LTE -311 520PP .92 D1-24 R.eRoll Transition PWSCC 1-B 4 104 11t4, MANI 22 UTE -3,40 520PP 60 0-22 ReRoll Transition PWSCG 1-13 : 55 53 ý"6 SAI 0.56 UTE -1.51 520FF"1 50 1]13 ROIlTransiionh :PWSCC
.56-B 100 : SAI 0 .45 UTE L -1.,54 520PP 84 13a Roll' Transiion FPWSCC
'-*B '7 MAI. 1.55 UTE T125 -2.:8 520FFPP .99 I0.27 ReRollTransition.PWSCC 1-IB 5 V3 E4 NO;AI 0.67 UTE -133 520PP 57 G.223 RoIlTransfir PWSCC
--B 59 102 117 SAl 0.52, LTE 1.38 520PP: :5 0.
O1A3 Roll Transifon P'WSCC 1-B i0 5 46 SA 0.33.: 159 4.83, 5201PP: ý31 0.-87 GrooaI, GA 1-B :1 5 45 SA& 0.32 13 ",:55 520FFOP :.31- 1-93 GruveAIGA.
I-B: 52 5, 46 SAl 0.15 153, 1 2.77 5201 4A 0.-2 Groo"e IGA
-B
- a3 4 46, SAl 0.23 15S 4.07 5220FF, .25 0750 GrcooVe iGA 1-B L34 15. 77 SAi .20i 1s5 253 .520FF ' a 3 .17 Groove NSA 1-4 5T5 84. 11 ' MAI I1,99 UTE -320 520PPF 82 037 ReRoll T.ransitibn PWS ICC 1-B @8 53' 04 POWi 1.57 UTE. -3.33 .5552FF [122 ReRoll Transition'PFWCC 1-B 87 38 AB KAI. 0.8*, UTE .05 :520FP .0 D-24 ReRoll Tansitmn PWSCC I-B A8 124 M5 SAI 0.11. 14S 1.50 .520PP 85 020 Gro*e IGA 1-B5. ON 127 :.,-4 SAl D.8 15S 1.44 520FP 14 0.U0 Groo.IGA
- 70 T-B "37 102 SAI 0L50 UTE -1.8 520FFP 89 '.17 RollTr.ansiion,.WSCC 1- 71 3 6- MAI 1.23 UTE -1.58: 520FF 52 &.18 RIlTransition FP!jSSCC 1-B 72 56 55 SAlJ 0.0:0 UTTE -0.09 520PP &D 0.29 T-rbe End.PWSCC 1-- 73 65: 0, MAI 1.01 .TE. -1.48 520PPF 69 .15 ERol[T~ensItion PWSCC 1-B 74 20 W7 SAJ 0.70: :UTE -1,60 '520PP 49 0.13 RD lITr.ansition PWSCC t-B. 75 56 .56 SA& 0.4 UTE. -1.47 520FP :55 D.15 Roll*Transiibon FWSCC 1-B £6R7 5B MAI 0.73 UTE -1.-51 520fPP U-5 0.ý23 RollTransition PWSCC 1-B 77 27" 100 SA 0.27 '15S -133 520F 15 .0.51 GrcoveIGA "1-*B {73 8: 42 SAl 1.25 UTE -3.02 520FF 100 .17. ReRnlI.Transiton:PWSCC 1- 17 : 2 27 33 SAl 0A.41 .UTE -320 52OPP %47 .12 ReRolld ransition *WSCC 1-B 00 113 :118 SA)l 0.15' 10:S 7-3 520FFPP 2 .0,53 Groove lGA 1-B 84t A113 11T-6 SAI 0.12. 103IS: a.57 9520PP 47 0.48 Grooe iGA 82 .-I 113. It SAt 0.0 103g 10,01l. .520-FF:. 31f 0,6 Grooira ISA 1-B1 83 11:3 11t SA 0.-08 3 11.63. :520FPP .13 0.3.1 Grooke IGA 1-B 84 113 11tO. SAl 0.13 1t -.17.27' 52OPP 53 0- 1.9 GroDre.:'IGA 1-B 85 113 1t SAs 0.W11 13* .- 1.45 52OCF 70 0=22 Groe.IGA 1- 85e, 113 115 SAI 0.11- 13S -15.L3 .:520FPF .:35 0.43 .GrobýtIGA.
I-B :.:87 100 50 SAl 0.53 UTE -121 520FF 53 [.12 Roll Transition PWSCC 1-. 80 '58 Of SA 0.12*153 2s:..:4.30
,.520PF 12 .122 Groove'GA I-B 8 _8:. Clt- SAl .11 153S 20.45. :522FP I! 0.15 Grcove, lGA 1- 00 8 61 SA 0.10: 4,15 2045 " 520FP 0 D 0,21 Gro-2ve1 1-B 91 70 C, SA1 0.43 .. TS. -21.48 520PP 47 2.70 G v2eIGA
- -B 2 87 SA 1.25,.- LIUTE -1.77 520PP 5.5 0.20 RalFT1ahtio-n FWSCC
Attachment L-12-276 Page 9 of 28
- Circumferential Indication Inside Pressure Boundary SG Count Row Tube ld Volts TSPz Inchl Probe: Depth Circ Len :DOegdation Mode 2-A i 104' 1607 SC[ .0(833-7 UTE -2.9 520PF .77 1.-2 Rer1 TransF.WSCC 2-A 2 89 . 20I 1.0: LUT. -A1.t 520FF 43 0A7 ReollTransP..C 2-,A 3 72 B3 SU, &7B.75 LE -. 367 52pPF 220 0.25 Roll Trýns FSCC 2,A 4 ,20 ,5 1SC[ .. 1.98 LITE .2 520PPF 37 0.51 Tube End. PXV&'.S*".
1-A. 5 101 1.24 *sa I.33. U-1E. -0.2-0 -529PP 0.5S Tube End PSCC
.2-A a 44' tl: -SC[ 0.95: E -U ..
_4 520FPP. . -0.21 Roli.Trans PWSC.
2.A 7 n2 t5 S0I 0.44 *LI, -3.2 "520 33 0.38 Remoll Terns FWSCOC 2A, a :1 I3 301 SC 'ý LTE - 0.2 520PP 8$ 0.22; Ttbe End PFWSC-,
2-A 0 151 7 SC0 2.43 UTE -0_3, 520FPP 5m OA43 TTube End FIOS&CC:
1-8 10 .84 73 SCI .4AB LTE 151 520PP- 8 0.15 RolU Trans PWSC30:
1-8 11 8 19 S0I U.79 LTE 1-E1 520PP 48 '0.23 RollTrasPWSC0'.
I-B 12 745 MCi .0.70 LTE. 1 _59 52FPPF S A.1 : Roll Trans mvsCC 1-B 13 85 -rig MCI B.. N LTE 1.53 520PP 63 0.18 R61 Tr-,nFW PV'SVf 1-8' 14 77 B9 MCI. .§ LTE 1.*0 520PP,F 6 .2023 RoIl Trans PV0'0C, 1-8 15 78. 58 MCI 0.07 LTE 1.M 52FPF U6 0.25 RoIl Trans PWSC2C 15 I-B 42 111 S0 0W.3: LTE 1,43 52,FPP 3 0Q.20 RoIl Tr-si. PFVSCC:
$7 1B 51 79 MCI 0.27 LT"E 1.150 B20PP 08 . .0" Roll TransPv&lCX:C 1-B" 2.. 52: 75 :MCI .35 LTE 1.53 520FF 73 .02 Rdll Trans PJSC" t-9 119 53 810, MCI 131.4-A LTE 1,57 520FPP 9@ 1.10 -Roll Trans F%!`SCz
-8 20 54 79, MCI 0.4,03 LTE 1.62 520FPF .94 1.03. PoIl Trans P%,:SOC:
1-8' 21 52 7,' MCI 0.75 LTE 1.55 -52P3FF 3 1-13 RoIITrans MSCC
'SC0 049 .:. LTE. 15g 5 FPP 9..6 0.37: Roll Trans FWSCG :
-B 22 '50: 78 1-B 23 g8 93 SCI 0.423 LTE 1.58 520PP 52 0.23 Roll Trans FWSCC 1-B 24 56" 77 SC301 0.781 LTE 159 :520PPF .9 0.505 RllTrans F1PiSC0 1-B 25 45: 835 SCI 2.34 UL.. -. 111 .520PFF g4 0.53 . Tube End PWSCC:
1-B .25 57 *0 :SCI' 0.23 LTE: 1.53 520PPF 93 0.30 Roll Trans PWSCC:
1-B 27 58 7g 0:SC1 0.4 LTE 1.63 520PP 082 8.44 Roll Trans F*SCC*
1-B.. 28 ET7 70 MCI 0.20:.., LTE .,62 520PPFF . 0.1l Rcil Trans FW-SOC-1-B: .20 :87 f5 ,SCI 0.48 LTE 1.53 520PP 25 0.165 RIiTrans FWSC.C %-
1-B_ 3G0 85 30 SCI 0.72 LTE 1.,50 520PP. 4f4 0.21 Roll Trans PWS-CC:
I-B 31 85 .30 .01 .256 LTE 1.58 52FPP 32 0.f1 RollTransPWSO" S:
1-B 232 .59 30 *301 U.85 LTE 1-.4 520FPP 5S
- 119; Ro IITrapsP SCC 1-B 33 15Om 9 30SI, .72: LTE g-7 520PP 5d .18 .RoIl Tras FWSCC.
-B , 2 .6 81 SCl0 0.75 LTE: '.1.5 523FPP 5:5 0.20 Roll Trans FW S*C*'
I-B 35 . 100 70 MCI 0.4-4 LTE. 1-00 520FPF 63 0.20 Roll Trans FUSCC' 1-B; a 87 74. MCI 0.41 LTE 1.73 52FPPF 66 0.201 RHI Trans PWSCOC 1-8 .37 P4 :53 MCI (..56 LTE "198 520PPF N 0.37 RollTransPWSGCC 1-B, * .82 301 0.
U. . T5E 1.53 52FPP 54: '0_40 RIl Trans PWSCC' I-B 3D 45" 77. SCI 0.4.&: L-TE I1-52 520FPP.F 5 '.16: Roll Tra s FWSCCf 49D1-B : 85 54. MCI: 1.0 LTE 1,59 520,P.F *8: 0.73 RoIITransFWC 1-B. 4 1 73: 75 .,0SC[ 0.1m LTE'" 1.5'2 52j3PP0FF , 0. 1 Roll TranT s.ISCC 1-8 42 :77. :9 :SC[ 01 52) :TE 150 520PFF "8 0.31: Ro11 Trans PWSCP" 1-8 .43 48 .78 MCI 0.37 LTE; 1.52 520FPPF 35. .0.,2 R[II Trans FVWSCC..:
-B 44 095 72. MCI .119B LTEE. 1.55 5 652,F .P 1.355 Roll Trans P*SC.G.
-B . 45 04:: :9 3Cf .73 LTE: 1.51 520PP: 82' :022ý R:l Trans MWSCC" 45 0- .4 :73: S0 0.34, LTE" 1.158 520ppF 3@ 0.:20 RoIl Trans P",Soc.t:
18 ,47 ggz2 . 0 ;.MCI 1 I:11..LTE. 1.57 .52O*P. 74 1.41 Roll TransPFSCC
- 1-8. 413 B5 j:53 '01 0.4.5 LTE 1.5B 520PFF .51 0.18 Rol Trais'PW.SCCG.
Attachment L.-12-276 Page 10 of 28 Volumetric Indications Inside Pressure Boundary OTSG Row Tube IEnd IVOILtS TSP moMh Prob~e DepTW 10 1t CioExt IDgaainMd IW I I Inches) (Inches) erdfinMd 1-B 1 142 126 1ISV1 .1,87 LITE 1 .2.35 1 520PP 4?7 0.22 0.27 1 ID M-echanical New Tube End Indications Inside Pressure Boundary SG Count Row Tube [nd Voits TSP Inchl Probe 2-A 1 45 45 SAA 0.01 UTE -0.30 520 PP 2-A 2 84 t0 SAA 1.83 UTE -G-21 .520PP 2-A 3 142 32 MAA 0.87 UTE -9.20 52OPP 2-A 4 3B 113 SAA 1.54 UTE -G.23 520PF 2-A 5 146 25 SAA 1t40 UTE -0.22G 520PP 2-A 6 64 2 SAA 1.22 UTE -Ga8 52rJAP 2-A. 7 *122 104 MAA 2.17 UTE -1.28 .52GPP 2-A 8 115 107 IMAA 1.56 UTE -G.25 520FPP 2-A P 11e 117 MAA 1-47 UTE --. 23 52,0P 2-A 10 130 8 SAA 2.44 UT;E -0.33 52UPP 2-A 11 130 7 SAA 2.10 UTE -0.31 52FPPF 2-A 12 97 T.0 MAA. 1.83 UTE -0.23 52CIPP 2-A 13 02 41 SAA 1.86 UTE -9.30 520FP 2-A 14 TO 116 SAA 1.25 UTE -0l,.27 520PP 2-A :15 &B 100 SAA 1.0}5 UTE -0.25 520PP 2-A 1:6 W5 122 a MAA 1.62 UTE -0.38 520PP 2-A 1.7 M '123 MAA 1.58 UTE -0.25 520FFP 2-A is 87 10)G SAA 1.34 UTE -0.24 520FP 2-A 10 136 70 SAA 2.38 UTE -0.31 520PP 2-A 20 135 M8 MAA '.81 UTE -0.33 520PP 2-A 21 137 72 MAA 1.0N UTE -0.33 520.PP 2-A 22 137 65 -SAA 0.91 UTL -D.34 520:PP 2-A 23 133 M5 SAA 1.86 UTE -. 32 520FPP 2-A 24 138 65 SAA 1.97 UTE -. 33 520FPP 2-A 25 130 53 MAA 1.73 UTE -0.30 520PP 2-A 26 12 a MAA 1.64 UT-1 -0.31 520PP 2-A 27 8 14 SAA 2.51 UTE -0.27 520FP 2-A 28 G, 22 SAA 1.03 ULE -0.29 520FFPP 2-A, 29 5 7 SAA 3.18 UTE -0.24 52fPP 2-A 30 121 71 SAA 0.72 UTE -0.32 52FFPP 2-A 31 2.5 7.8 SAA 0.81 UTE -C.32 52FPP 2-A, 32 65 40D SAA 3.11 UTE -0.10 520PP 2-A 33 3 31 SAA 2-35 UTE 28 520PP 2-A 34 5 4B SAA 2.02 UTE -0.32 520FP 2-A. 35 9 50 SAA 2.45 U-TE -0.203 52FPP 2-A 3 33 651 MPA 1.45 UTE -0.28 523PP 2-A 37 35 U7 SAA 1.01 UTE -0,.29 520FPP 2-A 3M 37 87 SAA 0.9@ UTE -0.32 520FPP 2-A . 30. -3 35 SAA 1.I3 UTE -0.34 520PP 2-A 40 24 B0 .MPA 1.34 UTE -0.24 520PP 2-A 41 8-4 1.1 SAA 2.3, UTE -0:23. .520PP-2-A 42 35 21 SAA 1.80 UTE -0.25 52]PP 2-A 43 84 31 SAA, 0.79 LITE -0.31 52FPP 2-A 44- 108 1 SAA 3.00 UTE -0.31 520PP 2-A .45 10 115' SAA 1.47 UTE 1-0.31 520PP
Attachment L-1 2-276 Page 11 of 28
.:New Tube End Indications Inside Pressure Boundary (continued)
SG count Rvok Tube , [nd Voft. TSP ]lnchl Probe.
2-A. 45 12 SM ... 14 UTEI52PP -0.35.
2-A.: 4? '13 42 SAA. 168 U -0.38.E 521OP, 2-A 4 14 M 566 SAA 1.71 UTE 9._37 5213?P 2-A 4T: 18 74,; SAA 1:54 UTE -U_27 52)PPO 2-A 50. 20 46:" SkA 1-.4. UTE -0.37 5213PP 2-A 51a ,25 521 :SAA 1.50- UTE -0D34 520PP 2-A :52 25 54: SAA 1.321 UTVE -G.3.t 52OPF.
2-A 53" :&1 12::. .MAA 1.17 UT E -0.07 52GPF 2-A 54.: 82 9 MAA 1:.32: UTS -25 5201F'
- 2-A .. 5 S2 H MAA 1.10 UTE -0.30' 52OPP 2-A, 56 85 20 SMAA IAre UTE -0125 520?P 2-A: 57: 82 21 SAA '1-44 UTE -02t1 52PP 2-A 53 SIB Q SAA 2.46 UTE -02.1 6521PP 2-A &5D 10Q NIAA 1.04: 1UTE ,-0D22 52,PP 2-A 60 25 77 SAA 2.0 UTEE -24. 520PP 2-A C1 28 U3 SAA 105 LIUTE -0131 520PP 2-A .22 ý20 33 SAA 1.09 U"TE -0,25 .-520PP 2-A 3 2b 447 ,SAA 1.62 UTE -.0:28 520PP 2-A 04 2Z3 @2 SAA 1_04 UTE .-028 521PP 2-A d5 26 S7 SAA. 1. UTE -0,219 520PP 2-A CP 5. 30 MAA 3.11 UTE -4.38 520PP 2-A 87; 6 32 SAA 2-06 :UTE -032 520PP
.2-A .:. 17
- 1. 72 1.tAA 1._3: LITE -0.26 .52PP 2- 0.
Q 18 73 SAA 1.1t8 UTE :-9.27 .520PP 2-A: 7, 19 47 1 SAA 1-68_ UT -131 520PP 2-A " 20: 47 SAA 1.53 UT :4-27
- .521PP 2-A 72, 2 93: SAA 1t.3- UTE- -- 25 520PP 2-A 73: 127 78 SAA 1.24 UT: -1 3-4 520PP 2-A 74 :12 8a AA 2-09, UTE -29 520,PP:
2-A 75 .. 21 3 SAA US3I UTE -.11 5201PP 2-A .76 f4 2 MAA 1.4 UTE 0.31 520P 2-A 77 1018 4 SAA '1.1' UE -0.24 520PP 2-A 78, t117: 107 MAA 2.07 ULTE 0.31 52OPP
'2-A 712 -11l 3, 8AA 2:43 UIJ -0.34 520?P 2-A 80 1t07 4 MAA 1.13 UT- -0.25 52W'P.
- 2-A 81: 1:103 .6 . MAA 2.0? U. E -_23. KPO 52 2-A 81 37 255 SAA 1.1t5 ýUTE -0t27 520PP 2-A: 83 39 42- SAAM 1.18 UTE -'U27 523PP 2-A 84 1.03- :7 MAA 2.26 IJTE -. 29 ,52GPP
'2-A. 85. 10DO 5 SAA Z33 UTE 0..B27 52VPP 2-A 86A. 107 i1l MAA 1A.. UTE -0.22. 52OPP.
2-A 87 100 105 MAA 1.63 .N UTE -0.24 52GPP 2'-A' 83 11, 110 SAA 1U5n UTE -0,25 520PP 2-A 8. :110 106 SAA 2L64 UTE -,:-0.25 520'PP 2-A 003 110 104 MMA 1.54 UTE -025d 62OPP 2-A .1 .112, 105. SM. 1._91 UTE A-.30 521PP 2-A 92:' 114. 8. SAA 1.20 UTE G25. 520,PP 2-A *3 150 27' SAA 2.n3 UTE -G-24 520PP
- ,2-A,:. ...-94,'::. :.I*r3 IT': 'M AA- t UT*E '-1,313, 52@,*PP
.2-A: r45. 12 12M:104U.-.3 2P 2-A:. . .12 .- 22. UE WA -4133: 620PP 2-A 98 7, 12 :SAA 1t567 UTE- --134 520PP
.- A 07T 5 10:: SMA _:.1431:. UTE - . S2OPP:
53 0 2-A 08 , 4 ,17SA 1.70 USE -G.34: 52:PP
___-A_ '00 3 13 SAA '282:; UTE -3 2DPp 2-A 10 ::147,45 SM .AA1";.05-": UEr '-0,428: 6520PP"
Attachment L-12-276..
Page 12 of.28 New Tube End Indications Inside Pressure Boundary (continued).
SG fcou.Row. Tube nd- : Vo1ts TSP ]nchi Frobe
'2-A 101. ti 2 .MA .3. UTE -0B27 U52PF 2-A 102 110 1 SAA 2.11 UTE -1.33 520PP 2-A 103 1029 3: MAA 155 tUTE -G.31 "525GFF 2 14 N-I 09' 5. 'SAA: 0.2P tilE -0.3 50F 2-A 105 10G7 5, MAA 1.55 UTE -0.30 52GFI A I05. 107 3 SAA. I 10G4 UT" -0.34 52PPI
- -2A IN 07 15 - SA 1.49 'UT- -0.23 520TiP 108 12A 112 , Or SAA. .1T74 TE -U14: .:52FPP 2-A I102G '0 ::. . SAA. 1.83 tUil -0.27 52FpF 2-A 110 "4 f. SAA [ 0 tE -038:':520F 111 IlA 44:, SPA 1_1 tilUE 9-024. 520FF 2-A 112 44: 4 SAa*: 1.8 tim -. 16 520pF 2-A 113 120 :3 SAA.. 1.81 UTEE-018 520FF 2-A 1..;14 4. 3' SAA. 2.51 U-TE -*021 520PP S 115 f5 : MAN 13.*0- UTE. -0:22 52F:$P 2-A :110. 41 .,g SAA: '1.21 UTE -.-28 520PP 2-A 111 10- 5 1M1AA. 52 tiUE -.2- 520P P MA. 118 48 7 SAA 1.25 UTE -0.-27 520FPF S2-A' 11@ r 130 71 SAAr 1.52 Til -D,34,. P52 2-A 120 138 30 SAA 1.5.7 UTE -1_31t 520-PP 2-A 121 109 C4 SAA: 1.43 UTlE -02 :520PP 2-A 100 122 110 SAA. 1.-M LUT- -G.A4 520;P
.2-A 123 1009 112 SMA D.8. ti5 -0. :20FF 1- Q24 110 10M, MAA 220: tiE -02 t 520FF
- ,2-A U25 126 78 AMA 173 Utm -. 30 522pFF 2-A 120. 2,0:1 31 SAA 1.101 TlE -0.31 520PF A, 127 *1:' ;.2.. MAA 1.57 :*tiE -0.2 520 P 2A 120: 12 A5' MA 2.03 tiE -0135, 526FFP 2-A 12. 127: 83 SAA. 2.03 Uti. -0.28, 520FF 2-A, ,130 l 131 .74. 'SAA 2.22 UTiE -0.20 :520*PF 2-A. 131 133 :7B MAA 2.125. 017= -025 520PP 2-A 132 133 6 SAA 12-04 Ut=. -027 . 520FP
"--i-A 133: 13.7 .8 SAA I.&B. UTiE -0.24 :520PP 1A.34 ' ..58 SM 147 UtE -0.25- 520FFP
- -A 135 31. 22. SAk: .'207 ..UTE -0.27 520FF 2-A. 135: 25.:::. 5 sMA 1.4 tiE -0235 520FF
-- A 13T; M. 46 MAM 1.03. TiJE -M37 520Pp 2-A 138: 132 a SAA 12576 tUTi E -0.281 520FFP 2-A 132 132 47 SMA, 1.2R UTE -0.32 520pp 2-A 140 14A5 283 SAA: 2.N2 U -.0-.31 .520FP 2-A 141 :24 N t1 SAA: 1.34 tUiE -0.22 52:PE 2-A 142 297 2:: MAA .2:28 UTE. -0.30 .520FF 2-A 143 122 100 SAA 2.2A7 U,,E -. 22*' 520PFF 2--A., 144 123 10 MAA .85 ti1E -1.25 52-PF 2-A 145 129 8 SAA. 1.52 iTE -0.33 520PP:
24-, t40 115. :98 SAA" :1T.68 ti: .-0.28 :520PP 2-A 147 131: 75. SAA 1.20 tWE. -0.30G 520FF 2-A 148' 133 1- SAM" 1.09 tilE .3t 520FPF
'2-A 14: 13M. 7B MAA' 2 UTE -0Z.30 152FPP 2-A ,50': 13'S 6B, ýMPA'. 0.71 tiE -0.40 520FF 2A 151 5: 4 SAA -23 . tUTE -0D2 520FF 152-2-A 63'% :.3.2 SMAA 2.43 U-I*E *-0:.28 520PF 2-A 153 ... 32 :M4" L¶AA."12,: iE -0ý.*28'. ".520FP
ý2-.A' :1. 154 m13, SA 1*20 '2.2*: TE -.432 -520Fp 1-85 155s. 4103: :12: 'SMI 1::127,: JOE 1,-0444i ý520FF
Attachment L-12-276 Page 13 of28 New Tube End Indications Inside Pressure Boundary (continued).
- c.:: .Count R,* Tube Ind VoLts TSP Incl ýProbe I-B 158. 107 110 :SAA. 227 UTE .11t 520UPP.
1-B 157 .31: .67 i8 1.AA UTE -02. 52.PFF 158:
1-B* 1G 11t9 B.AA 1.12 UT.E .32, 520PP I-B 159 102 11:3 SAA 1.23 UlE -023: U 52fPP I-B T1] 103 117 BAA 1.79 IJUT -U9,. 5201PP
-I-B V61 i1[3 1S SBAA 1.02 UE -0.3:3 520'P 1-B 1F2 55 44 .IAA 1.54 UTE -03G 523FF.
I-B 103 36 87 SAA 2I2 UITE -D-24 52,0FP I-B )4 48 m1 SAA **3.74 UTE -0.31 520FPF I-B 15.5 TO 45 SAA 1.21 UTE -M33 520FP 1 : t-B 14 52, AA 1-4.3 UTE -D-35' 520FP W-B 3157 2,B 55 SAA: 1:A4 UTE -0G22 520FPP
--B 'M8 25 ,81 SAA 1.0 UTME -021 520PP
'-B i g I28 4 .SAA. 1.22 UTE -03.22: 520PP 1-B,; 170 , 28 65 SAA 1-03 UTIE -3.34 52OPP
-B. 171 35 25 :IAA 1.33 U1-E U-30. 48ffPP I-B.' .172. @7. 90 BAA 2-08 LITE -,GM.3 520FP 1-B 17.3 .40 13 1 %IA 2..140 UT.E .-G-32 523PFF 1-B 174 .78 . 112 BAA 1.18. UTE - 32 521 PF 1-R i:T 1:'0 Q~ FqAA n, 74: [ITF -At'4 RIlPP I-B .17 .. 120 5 BAA 1.24. UTE. -a23 52LLPP I-B t77:: 28 Q3 ;MIAA: I1.8.8H UTE -9,325 520PP
'-B .178 7D 3 BAA 1.37 UTE '-1393 5,20PF I-B 170. 71 :59 SAA :2.33 UTE -0.23 520FPP 1-B 1580. 129 4 BAA I..8-, OE -0.30 520PF I-B 181 ,2 .4 BAA 1.30 UTE -U.31 520FF 1-B 82.. 32 98 &AA 1.13 UTE= -0.31 520FPP 1.3 M-8 74 -39 SAA 0.97, UE -0.41 520PP 1-B "84 5D 70 MAA "2.12 LTE OAD 520PF.
1-7B 1.85 55 50 SAA 1.565 UTE. -G.49 520FPF 1-B: t 55a 26 BAA. 1.4 UTE -M.30 52FPP I-Br: 187 2 14 SAA 2-81 U E -8310: 5 2FPi I-B: 188 44 &tAA 2-40 U-E -3.32 523PF 180 13
'-B 51 SAA 1.88 1 UTZ *-2 52FPP 1-B 100 17 54 sBAA .18 U-TE" -025 520PF
- .- t *0 G 05 r.AA ý1.q UTE' 0.20 520aP 1-B::r 102: 57 51 BAA: 1.76 UTE -GA4 .520FFJr
- I-. 03 53 6¶AA 25 .1.10 UE -1.35 52FPP I-B. 1A4 62 40 BAA 0.75 UTE -.G41 520FP 1-B .. .95 22 ' BA. 22: UTE - 27 520FF
-B. 9. :24. 70 SAA .8,; UTE -0.32 520FF 1-B 97. :.54 8 ,32 BAA UTE -0.25 520PP 1-B 1.:8 104 119 SAA,. 1.38" UT-E -0.32 5210-FP 1-B:r. 199. 10o1 .-. 55 BAM. 1.31. UTE -3.42. 520PF.
1-B 200 377 ,72 SAA 1.67 UTE 22 52FPP I-B 1201 .42 @2 SAA 1.t:54ý U -0.1. 520PF I-': "2.2 42 i090 SAA 2.10 UTE -1233: 520FPP
-B: :23 13 '0 BAA 1.57, UTE -0.27 520FPP 1-B :204: 13 ,2 BAA: 1.09 UE -0G265 .520PF
-B: !2051 28 'M5 MAA: 1.73 U : -0.34+ 520FF
-B 20_ 5b 78 SAA 2.5 UTE. -0.3g, 520FF I-BS 207., :.,5:; SAA 1.34 UTEE -020, .:2WP I-B.: 208. @0 45 BAA 1.24 UTE -023 523PF
'I-B. 200 10' .45 BAA '2.14 UTE -. 34 520FFp.
1[-B3. 210 3:: 2`7 BA 1.17. UTE -. 251 520PF
Attachment L-12-276 Page 14 of 28 New Tube End Indications Inside Pressure Boundary (continued)
SG Count Row Tube Ind Vo[ts TSP Inchl Probe 1-B 211 7 40 SAA 1.3 UTE -1.25 52OPP I-B 212 98 27 SAA 1.04 UTE -G.29 520PP T-B 213 .48 7A MMA 1.05 UTE -0.27 520P 1-B 214 58 NJ MAA 0.729 UTE -0.28; 520PP 1-B 215 55 102 SAA 1.02 UTE -0.35 52UPP 1-B 216 55 97 SAA 1-24 UTE -0.2t 520?P 1-B 217 48 72 MAA 2.07 UTE -0.35 52QPP 1-B 218 3f- &.B SAA 1.90 UTE -0.27 520PP 1-B 219 107 7 SAA 0.2 UTE -0.28. 520?P 1-B 220 38 102 SAA 1.75 UTE -0.25 520GPP T-B 221 38 112 SAA 1I17 UTE -0.21 520?P 1-B 222 3Q SP SAA 2-07 UTE -0.26 520PP 1-: 223 42 71 " S -0.03 UTE -0.34 52EiPP B
.- 224 43 75 MAA 1.64 UTE -0.14' 52OPP I-B 225 43 107 SAA 1.4S L UTE -0U24 52OPP I-B 226 f-2 78 SAA 1.09 UTE -0.30 520,PP 1-B 227 57 5.3 SAA 1.91 UTE -G-31 520PP I-B 228 146 15 MAA 2.02 UTE --. 23 520?P I-B 229 147 13 SAA 2.22 UTE -0.23 520PP 1TB 230 58 7.8 SAA 1.91 UTE -0.47 520PP 1-B 231 e6 81 SAA 1.09 UTE -0.45 52:PP 1-B 232 16 54 -SAA 0,90 UTE -0.22 52OPP I-B 233 18 74 SAA 1.07 UTE -0131 520PP 1-B 234 I8 5B SA 1.4A ULTE -- 0.280 520PP 1-B 235 100 25 SAA 2.05 UTE& -0.20 520PP 1-B 236 73 52 SAA 2.16 UTE -0.43 521IPP i-B 237 100 50 MAA 2.14 UTE -0.25 520PP I-B 238 100 556 SAA 1.73 UTE -0.23 520PP I-B 239 119 9 SAA 1-83 UTE -0.35 520PP I-B 240 100 40 SAA 0.06 UTE -0.29 52OPP 1-B 241 112 4B SAA 0.G3 UTE -0.21 520PP 1-B 242 113 45 SAA 1.56 UTE -0.21 52:Pp Circumferential Indications Outside Pressure Boundary OSTG Row Tube TSP Inch1 Ind Volts . Depth CircExt
(%TW) Inches 2-A 143. 12 UTE -0.66 SVI 4.29 89 0.30 2-A 31 84 UTE -.033 SCI 7.98 73 '.047 2-A 30 79 UTE -0.36 scI 1.17 45 .044 1-B 65 58 UTE -1.59 MVI 1.56 51 .033 1-B 84 82 UTE -0.11 scI 1.38 50 .051 1-B - 99 26 UTE -1.71 SVI 0.15 54 0.23
Attachment ""- : -"-
L-12-276 . . ,:
Page 15 of 28 Wear Indications in SG 2-A Sorted by Measured Depth,
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Attachment L-1 2-276 Page 16 of 28
.Wear Indications in S;G 2-A Sorted by Measured Depth (continued).
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Attachment L-12-276 Page 18of 28 Wear Indications in SG 2-A Sorted by Measured Depth (continued)
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Attachment L-1 2-276 PageI19 of 28
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Attachment L-1 2-276 Rage.21 of 28 Wear Indications in SG 2-A Sorted by Measured Depth (continued)
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Attachment L-1 2-276 Page 22of2 Wear Indications inSG 1-B_ Sorted by Measured Depth,
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Page 24 f" : -8'
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Attachment L-12-276 Page 25 of 28 Wear Indications in SG 1-B Sorted by Measured Depth (continued),
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Attachment-L-i 2-2.76 Page 26 of 28 Section 5 Number of Tubes Plugged or Repaired During the Inspection Outage for Each Active Degradation Mechanism (TS 5.6.6.e)
Degradation Mechanism OTSG 2-A OTSG 1-B Upper Tube End Axial Anomalies 154 87 Lower Tube End Axial Anomalies 0 1 Upper Tube End Axial PWSCC 0 1 Upper Tube End Circumferential PWSCC 4 1 OPB Circumferenlial PWSCC >6&J%TW in Peripheral Tube (LBLOCA Leakage Contributoar)
Upper Roll TfansiUon Axial PWSCC 0 15 Upper Roll Transition Circumferential PWVSCC 2 0 Reroll Expansion/Transition Volumetfic 0 0 Rerofl Expansiorffransition Axial PWSCC 28 15 Rerol-I ExpansionlTransition Circumferenlal PWSCC 3 0 Freespan Volumetric Degradation 0 0 Freespan Axial O laA/SCC (Groove IGA) 8 11 Lower Roll Expansion Axial PWSCC 0 1 Lower Roll Expansion Circumferential PWSCC 0 38 Lower Tube End Circumferential FINSCC 0 0 Preventatively Plugged - OPB Cird Volumetric 2 3 Preventative Plugged - Other (iD Mechanical Volumetric) 0 -
NOTE: Some of the tubes repaired during the spring 2012 refueling outage contained multiple degradation mechanisms; as such, they are counted more than once.
Attachment L-12-276 Page 27 of 28 Section 6 Total Number and Percentage of Tubes Plugged or Repaired to Date (TS 5.6.6.f)
Section 7 The Results of Condition Monitoring, Including the Results of Tube Pulls and In-situ Testing (TS 5.6.6.g)
The following table provides the spring 2012 refueling outage Condition Monitoring Accident Induced Leakage Integrity Summary.
OTSG 2-A OTSG 1 B Degradation Mechanism (gpm @ Room (gpm @ 'Room Temp) Temp Freespan ODSCC/IGA 0 0 Freespan Volumetric OD IGA 0 0 Wear at Supports 0 C Axial PWSCC in Upper Tubesheet Rolled Regions .0 0 Axi.al PWSCC in Upper Tubesheet Tube.Ends 0_090 0.006 Circumferential PWSCC in Upper Tubesheet Rolled Regions 0-023 *0:
Volumetric Degradation in UpperTubesheet Rolled Regions 0 0 Axial PWSCC in Lower Tubesheet Rolled Regions NA 0 Circumferential PWSCC in Lower Tubesheet Rolled Regions. NA 0 In Service Repair Re-:rolls., Roiled Plugs, Sleeves 0,024 0.014 Total 0.137 0.020 No tube pulls were required or performed during the spring 2012 refueling outage.
Based on eddy current inspection results and analysis, no tubing defects were large enough to meet the in-situ pressure testing screening criteria threshold as defined ,in the spring 2012 refueling outage in-situ selection document. The SG primary to secondary operational leakage just prior to spring 2012 refueling outage was reported to be'very low (not measurable).
Therefore, based on the results of the steam generator tube inspections, both SG 2-A and SG 1-B meet the leakage and structural margins prescribed in -the steam generator performance criteria.
Attachment.
Page 28 of 28 Section 8 The Effective Plugging Percentage for All Plugging and Tube Repairs in Each SG (TS 5.6.6.h)
During the spring 201-2 refueling outage, tubes that had to be removed from service were removed by plugging. During previous outages, in some cases, upper tube end or original roll expansion indications were left in service after performing.a repair roll expansion to create a new pressure boundary below the indication. The repair roll process does not remove heat transfer surface area or increase the primary flow resistance. This repair roll (or rer.oll) process was not performed during the refueling outage.
The process of plugging removes heat transfer area from service and increases primary flow resistance of the steam generator. Sleeving does increase the primary flow resistance of the steam generator, but has minimal impact on the heattransfer area or efficiency. The 199 installed sleeves in SG 2-A are equivalent to 30 plugged tubes, and the 212 installed sleeves in SG 1-B are equivalent to 32 plugged tubes. The plugging equivalency forSSG 2-A is then 936 tubes (6.1 percent) and for SG 1-B is 578 tubes (3.7 percent).
A review was performed and verified that the change is within the analyzed design margins.
Therefore, the removal of the heat transfer area and increased flow resistance is within the limits for the total number of tubes allowed to be removed from service (plug equivalents) and does not affect the steam generator's compliance with the design performance requirements.
Section 9 Repair Method Utilized and the Number of Tubes Repaired by Each Repair Method (TS 5.6.6.i)
Repa__i_-
Type OTSG 2-A OTSG 1-B Plugged. 201 _ .t*__9 Rerolled D.
Tube repair by repair roll (reroll) was not performed during the spring 2012 refueling outage.
Tubes removed from service were plugged using rolled plugs and stabilized as required by predefined stabilization criteria during the refueling outage.
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