ML060410115

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Technical Specifications Annual Operating Reports for 2005
ML060410115
Person / Time
Site: Millstone  Dominion icon.png
Issue date: 01/31/2006
From: Price J
Dominion Nuclear Connecticut
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
06-060
Download: ML060410115 (31)
v • d • e


Text

Dominion Nudear Connecticut, Inc.

Millstone Power Station  :;FDominion Rope Ferry Road Waterford, CT 06385 AN31 U.S. Nuclear Regulatory Commission Serial No.06-060 Attention: Document Control Desk MPS Lic/MAE RO Washington, DC 20555 Docket Nos. 50-336 50-423 License Nos. DPR-65 NPF-49 DOMINION NUCLEAR CONNECTICUT, INC.

MILLSTONE POWER STATION UNITS 2 AND 3 TECHNICAL SPECIFICATIONS ANNUAL REPORT Pursuant to the provisions of Millstone Unit 2 and Millstone Unit 3 Technical Specifications (TS), Dominion Nuclear Connecticut, Inc (DNC) is submitting the annual reports described below. These annual reports cover unit activities for the period January 1, 2005, to December 31, 2005.

Millstone Unit 2:

The Millstone Unit 2 activities provided in this report are covered by Section 6.9.1.4, "Annual Reports" as supplemented by Sections 6.9.1.5b and 5c. Details of these activities are as follows:

  • The results of the steam generator tube inservice inspections performed at Millstone Unit 2 in 2005 are included as Enclosure 1 in accordance with Millstone Unit 2 TS 6.9.1.5b.

Millstone Unit 3:

The Millstone Unit 3 activities provided in this report are covered by Section 6.9.1.2, "Annual Reports." Details of these activities are as follows:

Serial No.06-060 Technical Specifications Annual report Page 2 of 3 There are no regulatory commitments contained within this letter.

If you have any questions or require additional information, please contact Mr. David W.

Dodson at (860) 447-1791, extension 2346.

Very truly yours, icenPrice t/ice President - Millstone

Serial No.06-060 Technical Specifications Annual report Page 3 of 3

Enclosures:

(0)

Commitments made in this letter: None.

cc: U.S. Nuclear Regulatory Commission Region I 475 Allendale Road King of Prussia, PA 19406-1415 Mr. V. Nerses Senior Project Manager U.S. Nuclear Regulatory Commission One White Flint North 11555 Rockville Pike Mail Stop 8C2 Rockville, MD 20852-2738 Mr. S. M. Schneider NRC Senior Resident Inspector Millstone Power Station Mr. R. Prince NRC Inspector U.S. Nuclear Regulatory Commission Region I 475 Allendale Road King of Prussia, PA 19406-1415

Enclosure 1 Millstone Unit 2 2005 Steam Generator Tube Inservice Inspection Millstone Power Station Unit 2 Dominion Nuclear Connecticut, Inc. (DNC)

Serial No.06-060 Page 1 Steam Generator Tube Inspection Millstone Unit 2 (MP2) is a two loop ABB-CE PWR with Babcock and Wilcox (B&W) replacement Steam Generators (SG). Each SG was designed to contain 8523 U-bend thermally treated Inconel 690 tubes. One hot leg tube sheet hole in SG 1 was plugged during construction and the opposing cold leg hole was not drilled, thus SG 1 has 8522 tubes. The tubing is nominally 0.750 inch outside diameter with a 0.0445 inch nominal wall thickness. During replacement SG fabrication, the tubes were installed using a two-step hydraulic expansion process over the full depth of the 21.06 inch thick tubesheet. The tubesheet was drilled on a triangular pitch with 1.0 inch spacing. There are 141 rows and 167 columns in each SG. To minimize small radius U-bends, tubes in rows 1 through 3 were installed using a staggered arrangement. This resulted in the termination of tubes at different locations between the hot and cold legs. For these rows, the tube identification follows the hot leg row/column naming convention.

Secondary side tube support structures include seven lattice grid supports on the vertical section of the tubes and twelve fan bar assemblies on the U-bend section of the tubes. All lattice grid supports are full supports.

SG replacement was completed during 2R1 1 (Fall 1992). The new SGs have accrued 7.037 Effective Full Power Years (EFPY) of operation as of the end of Cycle 16 (April 2005). The 910 MW Unit operates with a hot leg temperature of 601 degrees Fahrenheit.

The Millstone Unit 2 SG eddy current testing (ECT), conducted at the end of Cycle 16, was completed on April 25, 2005. The examinations, personnel, and equipment conformed to the requirements of NEI 97-06, rev. 1, Steam Generator Program Guidelines; EPRI Pressurized Water Reactor Steam Generator Examination Guidelines:

Revision 6; and Millstone Unit 2 Technical Specifications. Performed in SG 1 only, the inspection included a 100% bobbin coil exam and 298 special interest and diagnostic exams utilizing Motorized Rotating Pancake Coil (MRPC) technology. The only indications of degradation recorded were attributed to mechanically induced wear. ECT identified two tubes with nine (9) percent throughwall fan bar wear, unchanged from the 2R14 results. No tubes were removed from service or otherwise repaired.

One hundred percent (100%) of all in-service tubes (8522 tubes) in SG 1 were examined full length with the standard bobbin coil technique. The tubes were examined tube end to tube end (TEC-TEH) from the hot leg channel head.

Two hundred ninety-eight (298) tubes were examined with the MRPC plus-point probe; one hundred forty-two (142) hot-leg roll transition exams and one hundred fifty-six (156) special interest and diagnostic examinations. MRPC examination locations are summarized below and in Table 2.

The extent for the roll transition area examination was top of tube sheet hot (TSH) +3/-3 inches. This area was selected based on the historical hot leg sludge pile region as compiled from previous SG 1 and SG 2 (2R13, 2R14, and 2R15) results. The 142 tube

Serial No.06-060 Page 2 locations selected for examination make up fifty percent (50%) of this total sludge region (284 tubes) identified from both SGs. Approximately seventy-four (74%) of the tubes in the sample had previously identified Sludge (SLG) indications in SG 1. SLG indications reported during the current inspection are mapped in Attachment 5. One tube with a historical Partial Tubesheet Expansion (PTE) indication was also examined TSH-TEH.

One hundred and fifty-six (156) tubes were examined at a specific area of interest. The sixty-three (63) preplanned examinations were conducted at locations of previously identified dents, dings, bulges, possible loose parts, over expansions, and fan bar wear.

Ninety-three (93) diagnostic examinations were conducted at locations associated with indications reported during the current inspection. These included dents, dings, bobbin I-codes, possible loose parts, and tubes surrounding possible or known loose parts.

This ECT examination was conducted following five cycles (7.037 EFPY) of operation with the replacement SGs. There were no indications of any corrosion related tube cracking.

ECT reported two (2) tubes with nine (9) percent throughwall (%TW) fan bar wear. The ECT results from 2R14 also reported 9%TW wear on these tubes, thus the wear has not progressed over the past two operating cycles. Additional details on fan bar wear in both SGs are provided in Table 3 and Attachment 6.

One Volumetric Indication (VOL) was reported. This VOL indication has been reported since the June 1997 examination with MRPC. It is believed to be associated with a Manufacturing Buff Mark (MBM) and exhibits no change since first reported. Additional details are provided in Attachment 7.

Twenty-five (25) PLP indications were also reported. These ECT reported indications were grouped in eleven (11) locations as shown in Attachment 4. Seventeen (17) of the indications were initially reported with the bobbin coil examination and eight (8) with the MRPC examination. Loose parts were observed in an additional three (3) locations during SSI. There were no indications of wear associated with any of the PLP indications or any of the loose parts that were reported. Additional information is included in Table 4.

Although no primary side ECT was performed, SSI reported thirteen (13) loose parts in SG 2. Nine (9) were removed. Three (3) pieces of Flexitallic gasket and one (1) sludge rock remain wedged between tubes. No wear associated with any of the loose parts in SG 2 was reported during the performance of the visual examination.

In summary, 100% of the tubes in SG 1 (8522 tubes) were inspected, TEC-TEH. There were no tubes that required repair as a result of this examination. No tubes were plugged or otherwise repaired on a discretionary basis. As a result of the inspection, SG 1 was classified as C-1. A listing and map of tubes reported with wall-thickness loss is included in Attachment 6. The maximum wall-thickness loss was 9% TW.

Serial No.06-060 Page 3 Table 1 - Eddy Current Results I SG I Number of Tubes 8522 Number of Tubes Inspected full length w/Bobbin Probe 8522 Number of Tube Inspections w/MRPC (Total) 298

  • Hot Leg Transitions - Original Scope 142
  • Hot Leg Misc. Special Interest - Diagnostic Exams 60
  • Cold Leg Misc. Special Interest - Diagnostic Exams 82
  • U-bend Misc. Special Interest - Diagnostic Exams (tubes) 14 Tubes with Max Fan Bar Wear >= 40% 0 Tubes with Max Fan Bar Wear >= 20% but < 40% 0 Tubes with Max Fan Bar Wear <20% 2 Tubes Plugged 0 Tubes Sleeved 0

Serial No.06-060 Page 4 Table 2 - MRPC Examinations Hot Leg Cold Leg U-bend Previous PTE 1 0 0 Indications _

PLP 2 4 0 DNT/DNG 3 9 8 BLG 2 0 0 OXP 19 14 0 Fan Bar Wear 0 0 1 2R16 Bobbin I-Codes 3 0 2 Indications Bobbin PLPs 3 8 0 PLP Bounding & 27 46 0 Resulting PLPs _

DNT/DNG 0 1 3 Total 60 82 14 Table 3 - Fan Bar Wear Ro Col SG  % TW Support Inch from Support Identifie w Identifier Center d 40 155 1 9 F06 -1.74 2R14 9 F06 -1.66 2R16 140 93 1 9 F08 -0.55 2R14 1 9 F08 -0.53 2R16 37 120 2 6 F07 -0.81 2R15 99 80 2 11 F06 1.26 2R15

Serial No.06-060 Page 5 Table 4- Loose Parts Summary SG Location Description Method of Removed Discovery I R89 C26 Small metal turning wedged between tubes. ECT No R91 C26 PLP indications evident in this area in 02, 97, R88 C27 and 94. No wear was reported.

R87 C28 TSC+0.4" 1 R26 C165 Sludge rock located between tubes. PLP ECT No R28 C165 indications evident in 02, 97, and 94. No TSC+5.5" wear was reported.

1 R41 C160 Short piece of wire or Flexitallic gasket. PLP ECT No R42 C159 indications evident in 02. No wear was R40 C159 reported.

R43 C158 R41 C158 TSH+0.8" I R45 C162 Sludge rock located between tubes. PLP ECT No R47 C162 evident in 02, 97, and 94. No wear was TSC+9.6" reported.

I R127 C50 Sludge formation between tubes. No wear ECT Yes R128 C51 was reported. No PLP reported via ECT for TSC+9.8" R128 C51.

1 R140 C77 Weld slag lying on tube sheet between Visual Yes RI 39 C78 tubes. No wear was reported. No PLP R140 C79 reported via ECT for R140 C77 or R140 C79.

TSC 1 R28 C99 Demineralizer outlet strainer screen fragment Visual No R29 C98 lodged between tubes and on the tube sheet.

TSC No wear was reported. No PLP was reported via ECT.

1 R127 C120 3" long metal clip lying in the periphery on Visual Yes R126 C123 the tubesheet adjacent to the listed tubes.

R125 C122 No wear was reported. No PLP was TSH reported via ECT.

I RI 39 C70 Approximately 20 wire brush bristles lying on Visual Yes TSH the tube sheet and adjacent to the tube. No wear was reported. No PLP was reported via ECT.

1 RI 30 C57 Sludge formation wedged between tubes. ECT No RI 31 C56 No wear was reported.

R132 C57 TSC+5.3"

Serial No.06-060 Page 6 SG Location Description Method of Removed Discovery 1 R16 C1 Sludge formation lodged between tubes. No ECT Yes R14 Cl wear was reported.

TSH+10.8" 1 R96 C33 PLP previously reported in 02. No wear was ECT No TSH+2.0" reported. Loose part was not observed visually.

1 R94 C33 PLP previously reported in 02. No wear was ECT No TSH+2.0" reported. Loose part was not observed visually.

1 R23 C102 Weld slag previously identified in 03 and 02. Visual No R24 C103 No wear was detected.

R24 C101 TSC+1.0" 2 R30 C97 Cold staywell. Sludge rock wedged between Visual No R31 C96 tubes. No wear was observed.

R32 C97 2 R1 37 C102 Hot periphery. Flexitallic gasket metallic Visual Yes R136 C103 piece. No wear was observed.

R134 C103 2 R1 38 C80 Hot periphery. Flexitallic gasket metallic Visual Yes R1 38 C81 piece. No wear was observed.

R140 C81 R139 C82 R141 C82 R141 C84 R137 C80 R140 C83 2 R1 39 C70 Hot periphery. Demineralizer outlet strainer Visual Yes screen fragment. No wear was observed.

2 R127 C50 Hot periphery. Flexitallic gasket metallic Visual No R1 26 C49 piece. No wear was observed.

R127 C48 R125 C50 2 R1 39 C72 Hot periphery. Flexitallic gasket metallic Visual No R138 C73 piece. No wear was observed.

2 R1 41 C88 Weld wire. Cold Periphery. No wear was Visual Yes R141 C86 observed R141 C84 2 R37 C80 Cold staywell. . Flexitallic gasket metallic Visual No R39 C80 piece. No wear was observed.

R37 C82 R38 C81 R39 C82

Serial No.06-060 Page 7 SG Location Description Method of Removed Discovery 2 Cold annulus near RIOO C25. Piece of wire. Visual Yes No contact with any tubes. No wear observed.

2 No-tube lane near R4 C1. Flat head screw. Visual Yes No contact with any tubes. No wear observed.

2 No-tube lane near R4 C1. Metal turning. No Visual Yes contact with any tubes. No wear observed.

2 Cold annulus near R140 C85. Demineralizer Visual Yes outlet strainer screen fragment. No contact with any tubes. No wear observed.

Serial No.06-060 Page 8 Attachments Attachment Title 1 Acronyms 2 Tube Sheet Map and Listing - DNG Indications 3 Tube Sheet Map and Listing - DNT Indications 4 Tube Sheet Map and Listing - PLP Indications 5 Tube Sheet Map and Listing - SLG Indications 6 Tube Sheet Map and Listing - % TW FB Indications 7 Tube Sheet Map and Listing - VOL Indications

Serial No.06-060 Page 9 Attachment I Acronyms B&W Babcock & Wilcox BLG Bulge C Column DNG Ding DNT Dent ECT Eddy Current Testing EFPY Effective Full Power Years FB Fan Bar MP 2 Millstone Unit 2 MRPC Motorized Rotating Pancake Coil OXP Over Expansion PLP Possible Loose Part PTE Partial Tubesheet Expansion

% TW Percent Throughwall R Row SG 1 Steam Generator Number 1 SG 2 Steam Generator Number 2 SLG Sludge SSI Secondary Side Inspection TEC Tube End Cold-leg TEH Tube End Hot-leg TSC Top of Tube Sheet Cold-leg TSH Top of Tube Sheet Hot-leg VOL Volumetric Indication

Serial No.06-060 Page 10 Attachment 2 DNG Indications

Millstone Unit 2 i1 GROUP B DNG Indications TLUBES 12 Millstone Unit 2 04/05 - 2R16 DNG Indications S/G 1 TOTAL TUBES: 8523 HOT SELECTED TUBES: 12 PRIMARY FACE OUT OF SERVICE (#): I SCALE: 0.066571 X Fri May 27 08:42:51 2005 I l IJIIIIZL 011 fIJI

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Framatome ANP Inc. 5/26/2005 4:30:43 PM Customer Name: Millstone Unit 2 Component: S/G I Pace I of I DNG Indications QUERY: DNG Indications ROW COL VOLTS DEG CHN IND %TW LOCATION EXT EXT UTIL 1 UTIL 2 CAL # LEG PROBE

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20 61 4.26 184 1 DNG Fol +12.29 TEC TER HR 32 HOT 61OUL 20 63 4.36 184 1 DNG F07 +5.18 TEC TEE HR 31 HOT 61OUL 21 104 5.47 185 1 DNG F01 +7.10 TEC TER HR 25 HOT 61OUL 25 64 6.59 183 1 DNG F06 +2.22 TEC TEH HR 32 HOT 61OUL 29 34 2.71 188 1 DNG 01H +20.24 TEC TEE HR 8 HOT 61OUL 57 158 5.05 186 1 DUG F06 +5.69 TEC TEH HR 68 HOT 61OUL 59 42 2.81 184 1 DNG TSC +14.91 TEC TEE HR 5 HOT 610UL 69 72 4.02 187 1 DNG 04C +28.11 TEC TER HR 32 HOT 61OUL 103 32 3.19 186 1 DNG 06C +19.94 TEC TER HR 4 HOT 61oUL 114 99 4.26 186 1 DNG 02H +33.86 TEC TER HR 22 HOT 61OUL 132 55 4.89 185 1 DNG TSC +0.61 TEC TEE HR 13 HOT 61OUL 136 63 4.18 184 1 DNG F02 +3.80 TEC TER HR 14 HOT 61OUL Total Tubes  : 12 Total Records: 12

Serial No.06-060 Page 11 Attachment 3 DNT Indications

Millstone Unit 2 GROUP B DNT Indications ATUBES 13 Millstone Unit 2 04/05 - 2R16 DNT Indications FANP- 0MmfnOpmwdueValon 3.2 S/G 1 TOTAL TUBES: 8523 HOT SELECTED TUBES: 13 SCALE: 0.066571 X PRIMARY FACE OUT OF SERVICE (#): I Fri May 27 08:44:22 2005

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Framatome ANP Inc. 5/26/2005 4:31:17 PM Customer Name: Millstone Unit 2 Component: S/G 1 Page 1 of 1 DNT Indications QUERY: DNT Indications ROW COL VOLTS DEG CHN IND %TW LOCATION EXT EXT UTIL 1 UTIL 2 CAL I LEG PROBE 16 167 3.11 177 P 1 DNT 07H +0.68 TEC TEH HR 66 HOT 61OUL 20 61 4.26 178 P 1 DNT F07 -0.40 TEC TER HR 32 HOT 61OUL 20 63 3.77 179 P 1 DNT F06 +1.97 TEC TEH HR LAR 31 HOT 610UL 37 108 3.98 180 P 1 DNT F06 +0.56 TEC TER HR 28 HOT 610UL 48 129 2.98 184 P 1 DNT F05 +0.33 TEC TER HR 63 HOT 610UL 49 106 3.33 181 P 1 DNT 07C +1.74 TEC TEH HR 28 HOT 61OUL 60 113 3.86 182 P 1 DNT 07C +1.61 TEC TEH HR 28 HOT 610UL 85 42 2.36 180 P 1 DNT 07C +1.68 TEC TEH HR 2 HOT 61OUL 87 52 3.69 183 P 1 DNT 07C +1.67 TEC TER HR 13 HOT 61OUL 92 53 3.16 179 P 1 DNT 07C +1.49 TEC TER HR 14 HOT 610UL 92 91 4.01 175 P 1 DNT 07H +1.40 TEC TEH HR 20 HOT 610UL 108 51 3.64 181 P 1 DNT 07C +1.55 TEC TEH HR 13 HOT 61OUL 113 70 3.24 178 P 1 DNT 07C +1.20 TEC TEH HR 16 HOT 610UL Total Tubes  : 13 Total Records: 13

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Serial No.06-060 Page 12 Attachment 4 PLP Indications

Millstone Unit 2 GROUP TUBES lIl Millstone Unit 2 B PLP Indications 25 04/05 - 2R16 PLP Indications S/G 1 TOTAL TUBES: 8523 HOT SELECTED TUBES: 25 PRIMARY FACE OUT OF SERVICE (#): NA SCALE: 0.066571 X Fri May 27 08:51:04 2005 o I HO jUT..

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Framatome ANP Inc. 5/26/2005 4:34:46 PM Customer Name: Millstone Unit 2 C n S/Gf 1 Page 1 of 1 PLP Indications (including any LPI LPM LPR LPS Indications)

QUERY: PLP Indications I . ROW COL VOLTS DEG CHN IND %TW LOCATION EXT EXT UTIL 1 UTIL 22CAL 4I LEG PROBE

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14 1 0.29 183 8 PLP TSH +11.17 TEC TER LAR 37 HOT 610UL 16 1 0.29 212 8 PLP TSH +10.81 TEC TER LAR 12 HOT 610UL 23 102 1.05 45 8 PLP TSC +1.21 TEC TER LAM 26 HOT 610UL 0.60 78 11 PLP TSC +0. 84 TSC TSC LAM 4 COLD 610PP 24 101 0.47 78 11 PLP TSC +0.19 TSC TSC LAR 4 COLD 610PP 2.78 189 8 PLP TSC +0.22 TEC TER LAM 32 HOT 610UL 24 103 0.77 35 8 PLP TSC +1.26 TEC TER LAR 26 HOT 61OUL 0.60 77 11 PLP TSC +0.92 TSC TSC LAR 4 COLD 610PP 25 102 1.15 42 8 PLP TSC +0.94 TEC TEH LAR 26 HOT 61OUL 0.63 77 11 PLP TSC +0.61 TSC TSC LAB 4 COLD 61OPP 26 165 0.30 78 11 PLP TSC +5.63 TSC 01C LAR 4 COLD 61OPP 0.35 34 8 PLP TSC +5.71 TEC TER LAR 66 HOT 610UL 28 165 0.26 82 11 PLP TSC +5. 23 TSC 01C LAR 4 COLD 610PP 0.31 218 8 PLP TSC +5.27 TEC TER LAR 68 HOT 61OUL 40 159 0.37 87 11 PLP TSH +0.36 TSN TSH LAR3.7 VLP 72 HOT 61OPP 41 158 0.28 88 11 PLP TSH +0.08 TSH TSH LAR5.2 VLP 72 HOT 61OPP 41 160 0.31 89 11 PLP TSH +0.72 TSH TSH LAR4.5 VLP 70 HOT 610PP 0.26 72 7 PLP TSH +0.80 TEC TER LAR 66 HOT 610UL 42 159 0.16 91 11 PLP TSH +0.23 TSH TSH LAR3.6 VLP 72 HOT 610PP 43 158 0.32 83 11 PLP TSH +0.09 TSH TSH LAR5.4 VLP 72 HOT 61OPP 45 162 0.45 78 11 PLP TSC +9.66 TSC 01C LAR 4 COLD 610PP 0.81 219 8 PLP TSC +9.31 TEC TER LAR 66 HOT 610UL 47 162 0.34 80 11 PLP TSC +9.19 TSC O1C LAR 4 COLD 610PP 0.70 227 8 PLP TSC +9.64 TEC TER LAR 68 HOT 610UL 87 28 0.20 90 11 PLP TSC +0.39 TSC TSC LAR7.8 VLP S COLD 610PP 88 27 0.19 86 11 PLP TSC +0.09 TSC TSC LAM9.2 VLP 5 COLD 610PP 89 26 0.14 70 11 PLP TSC +0.38 TSC TSC LAR VLP 4 COLD 610PP 91: 26 0.21 80 11 PLP TSC +0.26 TSC TSC LAR7.9 VLP 5 COLD 610PP 94 33 0.29 215 8 PLP TSH +2.08 TEC TER LAR 4 ROT 610UL 0.11 14 11 LPS TSH +1.88 TSH TSH LAR 5.60 70 HOT 610PP 96 33 0.24 208 8 PLP TSH +2.03 TEC TER LAR 3 HOT 61OUL 0.22 78 11 LPS TSH +1.96 TSH TSH LAR 5.63 70 HOT 610PP 127 !50 0.43 213 8 PLP TSC +9.82 TEC TEH LAR 13 HOT 61OUL 130 '57 0.28 75 11 PLP TSC +5.54 TSC 01C LAR 4 COLD 610PP 0.36 209 B PLP TSC +5.29 TEC TER LAR 13 HOT 61OUL K 131 '56 0.11 73 11 PLP TSC +5.47 TSC 01C LAR 4 COLD 61OPP 0.10 213 B PLP TSC +5.27 TEC TER LAR 13 HOT 61OUL 139 78 0.23 L13 B PLP TSC +0.56 TEC TER LAR 18 HOT 61OUL Total Tubes  : 25 Total Records: 38

Serial No.06-060 Page 13 Attachment 5 SLG Indications

GROUP TUBES SLG Indications (TS Millstone Unit 2 SLG Indications (TSC) 18 9

04/05 - 2R16 SLG Indications FANr -. ru P ll ldOI V*be IJ' S/G 1 TOTAL TUBES: 8523 HOT SELECTED TUBES: 27 PRIMARY FACE OUT OF SERVICE (#): 1 SCALE:---0.066571 X Fri May 27 10:59:10 2005 I tItom Unlit2: SIG 1 HOT e sI NOZZLE IA,ni.I 4AtA 130 130 120 120 110 110 100 100 0

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Framatome ANP Inc. 5/27/2005 11:00:43 AM Customer Name: Millstone Unit 2 Component: S/G 1 Page 1 of 1 SLG Indications QUERY: SLG Indications ROW COL VOLTS DEG CHN IND %TW LOCATION EXT EXT UTIL 1 UTIL 2 CAL # LEG PROBE 27 46 0.82 8 SLG TSH +0.58 TEC TER 5 HOT 610UL 28 47 1.03 8 SLG TSH +0.70 TEC TER 4 HOT 610UL 30 47 1.60 8 SLG TSH +1.05 TEC TER 3 HOT 31 46 1.05 8 SLG TSH +1.17 TEC TER 6100L 5 HOT 610UL 31 48 1.45 8 SLG TSH +1.22 TEC TER 3 HOT 61OUL 32 47 1.87 8 SLG TSH +1.08 TEC TER 4 HOT 610UL 33 46 1.33 8 SLG TSH +0.72 TEC TER 4 HOT 610UL 33 48 2.23 8 SLG TSH +1.25 TEC TER 4 HOT 61OUL 33 50 2.10 8 SLG TSH +0.94 TEC TER 30 HOT 61OUL 34 47 1.64 8 SLG TSH +0.99 TEC TER 3 HOT 610UL 34 49 2.06 8 SLG TSH +0.91 TEC TEH 3 HOT 610UL 35 48 1.58 8 SLG TSH +1.24 TEC TER 3 HOT 610UL 35 50 2.35 8 SLG TSH +1.89 TEC TEH 29 HOT 6100L 36 47 0.80 8 SLG TSH +0.86 TEC TER 4 HOT 610UL 37 50 2.33 8 SLG TSH +1.54 TEC TER 30 HOT 61OUL 38 49 2.02 8 SLG TSH +0.93 TEC TER 3 HOT 61OUL 39 50 2.25 8 SLG TSH +1.70 TEC TEH 29 HOT 610UL 47 54 0.71 8 SLG TSH +1.10 TEC TEH 29 HOT 610UL 55 70 2.25 8 SLG TSC +0.46 TEC TER 610UL 54 HOT 113 60 2.31 8 SLG TSC +0.45 TEC TER 13 HOT 61OUL 117 60 2.27 8 SLG TSC +0.45 TEC TER 13 HOT 61OUL 118 75 2.77 8 SLG TSC +0.45 TEC TER 15 HOT 610UL 121 60 2.08 8 SLG TSC +0.45 TEC TER 13 HOT 61OUL 121 62 2.00 32 8 SLG TSC +0.48 TEC TEH 13 HOT 61OUL 123 68 0.70 38 8 SLG TSC +1.51 TEC TER 16 HOT 61OUL 128 61 2.05 8 SLG TSC +0.45 TEC TER 13 HOT 610UL 133 64 2.29 8 SLG TSC +0.45 TEC TER 13 HOT 61OUL Total Tubes  : 27 Total Records: 27

Serial No.06-060 Page 14 Attachment 6

% TW FB Indications

Millstone Unit 2 GROUP B TWD Indications

- TUBES Millstone Unit 2 ' '2 04/05 - 2R16

%TW (Bobbin Wear) Indications S/G 1 TOTAL TUBES: 8523 HOT SELECTED TUBES: 2 PRIMARY FACE OUT OF SERVICE (#): 1 SCALE: 0.066571 X Fri May 27 08:53:07 2005 Iwin.w unit 2: Wu 1 HOT am NOZZLE 1Afl - e a Q, ~-AQ 130 - 130 120 120 110 110 100 - 100 02 90 90 80 80 70 70 MANWAY 60 - 4e e- 60 0

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Framatome ANP Inc. 5/26/2005 4:43:23 PM Customer Name: Millstone Unit 2 Component: S/G 1 Page 1 of 1

%TW (TWD) Indications QUERY: TWD Indications ROW COL VOLTS DEG CHN IND %TW LOCATION EXT EXT UTIL 1 UTIL 2 CAL # LEG PROBE

=t===G= =============__

40 155 0.21 113 P 2 TWD 9 P06 -1.66 TEC TER LAR 69 61OUL HOT 140 93 0.29 127 P 2 TWD 9 F08 -0.53 TEC TEH LAR 33 HOT Sl0UL Total Tubes  : 2 Total Records: 2

Serial No.06-060 Page 15 Attachment 7 VOL Indications

Millstone Unit 2 I a TROUP e B B VOL Indications

- TUBES Millstone Unit 2 .. .1 04/05 - 2R16 VOL Indications S/G 1 TOTAL TUBES: 8523 HOT SELECTED TUBES: I .

PRIMARY FACE OUT OF SERVICE (#): NA SCALE: 0.066571 X Fr May 27 08:53:52 2005

+/- moo.

1HOTsW UIRZ:WU NOZZLE 6

'd totogftoQW,~

130 130 120 _,g 120 110 110 100 100 6

90 _o 90 80 80 70 70 MANWAY 60 - -

60 50

' 50 40 0 0 a,- 40 Di6&o -- - -OOgV 30 U 80 go 30 20 gei , _ I 100 20 10 - 06 ._ _

10 I

U o '

- o W .j-oo--

yfC J

'S 1314n II I 110 10 20 30 40 S0 60 120 130 140 150 160

Framatome ANP Inc. 5/26/2005 4:44:21 PM Customer Name: Millstone Unit 2 Component: S/G 1 Page 1 of 1 VOL Indications QUERY: VOL Indications ROW COL VOLTS DEG CHN IND %TW LOCATION EXT EXT UTIL 1 UTIL 2 CAL f LEG PROBE 2 7 0.77 77 3 VOL TSH +0.15 TSH TSH 70 HOT 610PP Total Tubes  : 1 Total Records: 1 I

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