ML110070023
| ML110070023 | |
| Person / Time | |
|---|---|
| Site: | Peach Bottom  |
| Issue date: | 01/05/2011 |
| From: | Dougherty T Exelon Nuclear |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| Download: ML110070023 (9) | |
Text
Exelkns.
ExelonNuclear www.exeloncorp.com Nuclear Peach Bottom Atomic Power Station 1848 Lay Rd.
Delta, PA 17314 10CFR 50.55a January 5, 2011 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001 Peach Bottom Atomic Power Station (PBAPS) Unit 2 Facility Operating License No. DPR-44 NRC Docket Nos. 50-277
Subject:
Submittal of the Inservice Inspection (ISI) Owner's Activity Report for the 1 8th Refueling Outage for Unit 2 Attached is the ISI Owner's Activity Report covering ISI activities associated with the first period of the current ISI inspection interval for Unit 2. This report is submitted pursuant to the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code,Section XI, "Rules for the Inservice Inspection of Nuclear Power Plant Components," Article IWA-6200, "Requirements" (2001 Edition) and ASME Code Case N-532-4 (Repair/Replacement Activity Documentation Requirements and Inservice Summary Report Preparation and Submission, section Xl, Division 1).
If you have any questions or require additional information, feel free to contact Jeremy Searer at 717-456-4771.
Sincerely, Thomas J. Dougherty-Site Vice President Peach Bottom Atomic Power Station Attachment cc:
US NRC, Administrator, Region I US NRC, Senior Resident Inspector R. R. Janati, Commonwealth of Pennsylvania S. Grey, State of Maryland P. Steinhauer, PSE&G, Financial Controls and Co-owner Affairs CCN: 10-112
PEACH BOTTOM ATOMIC POWER STATION, UNIT No. 2-P2R18 OAR REPORT FORM OAR-1 OWNER'S ACTIVITY REPORT Report Number P2R18 Plant Peach Bottom Atomic Power Station, 1848 Lay Road, Delta, PA 17314 Unit No. 2 Commercial Service Date July 5, 1974 Refueling Outage No. 18 Current Inspection Interval ISI = Fourth
/ CISI = Second Current Inspection Period ISI = First
/ CISI = First Edition and Addenda of Section Xl Applicable to the inspection plans 2001 Edition throuqh 2003 Addenda Date and revision of inspection plan 05/17/2010 Rev 1 Edition & Addenda of Section Xl Applicable to repairs and replacements, if different than the inspection plan 2001 Edition through 2003 Addenda Code Cases used: N-460. N-513-2. N-526. N-532-4. N-566-2. N-659 & N-700 CERTIFICATE OF CONFORMANCE I certify that (a) the statements made in this report are correct; (b) the examinations and tests meet the Inspection Plan as required by the ASME Code,Section XI; and (c) the repair/replacement activities and evaluations supporting the completion of P2R18 conform to the requirements of Section XI.
Signed 4
ý Jeremy Searer, ISI Program Owner Date 1/3/2011 IV' V
Owner or Owner's Designee, Title CERTIFICATE OF INSERVICE INSPECTION I, the undersigned, holding a valid commission issued by the National Board of Boiler and Pressure Vessel Inspectors and the State or Province of Pennsylvania and employed by Hartford Steam Boiler Inspection and Insurance Company of *Connecticut have inspected the items described in this Owner's Activity Report, and state that, to the best of my knowledge and belief, the Owner has performed all activities represented by this report in accordance with the requirements of Section XI.
By signing this certificate neither the Inspector nor his employer makes any warranty, expressed or implied, concerning the repair/replacement activities and evaluation described in this report. Furthermore, neither the Inspector nor his employer shall be liable in any manner for any personal injury or property damage or a loss ofaa from or connected with this inspection.
Commissions t "j31
- z B P)94 2c-S 0
Inspector's Signature National Board, State, Province, and Endcorsements Date I 4 o7.:\\\\
TABLE 1 12/16/10, PAGE 1 OF 1 ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRED EVALUATION FOR CONTINUED SERVICE FOR PEACH BOTTOM ATOMIC POWER STATION, UNIT NO.2 NOVEMBER 4,2008 TO OCTOBER 8,2010 (END OF P2R18 REFUEL OUTAGE)
Examination Item Item Description 1Evaluation Description Category Number t
D-A D1.20 I8 DPM LEAK FROM 'A' ESW DISCHARGE CHECK VALVE (CHK-Code Case N-513 was applied, and the ESW pipe 33-515A) downstream of the Check valve was repaired with a PM cap I during 2R 18 outage (Ref IR -. 1099140, 1099407)
F-A Fi.20 IrM-1747-S-2 HAS LOOSE JAM NUT The discovered condition did not affect operability of the system piping because the piping was still supported by the hanger. Jam nut was tightened (Ref IR - 1112688)
E-A EL. 1 N-1 10A, N-i 10C, N-1 10D, N-i 10E, N-i 10F, and N-i lOG Bolting had Design Engineering evaluated acceptable per technical Inadequate thread engagement evaluation (Ref AR - A1427985-01)
E-A EI.30 Moisture Barrier seal degradation Moisture Barrier required repairs in three locations (Ref IR -
1113907)
F-A FI.20 10GB-H154A spring hanger load set was outside of 10% design As found load was evaluated acceptable, and spring hanger configuration was returned to its original design configuration (Ref IR -
S1114095)
F-A F1.30 33HB-S 143 rigid support was found with a missing and loose bolt 33HB-S 143 was evaluated unacceptable as found and reworked. IWF-2430 additional examinations were
_ _performed (Ref IR - 1114812)
E-A E.1 1 Torus Hatch N-200A identified 7 bolts that did not meet the acceptance Torus hatch bolting that did not meet the acceptance criteria criteria and N-200B identified 10 bolts was replaced (Ref IR - 1117681 and IR - 1117682)
BA B1.40 CH-C-2, RPV Closure Head to Flange Weld had one new indication Indication was acceptable per an IWB-3600 evaluation
_that exceeded Table IWB-35 10-1 performed by GEH (Ref IR - 1118530)
TABLE2 12/16/10, PAGE 1 OF6 ABSTRACT OF ASME REPAIR/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE FOR PEACH BOTTOM ATOMIC POWER STATION, UNIT NO. 2 NOVEMBER 4, 2008 TO OCTOBER 8,2010 (END OF P2R18 REFUEL OUTAGE)
SYSTEM 01:
MAIN STEAM AND TURBINE SYSTEM Code Class Class 1 Class 1 Class 1 Class 1 Class 1 Class 1 Class 1 Class 1 Repair, or Replacement Replacement Replacement Replacement Replacement Replacement Replacement Replacement Repair Item Description (component I.D.)
RV-3-02-070A RV-3-02-071 A RV-3-02-071 D RV-3-02-071 J RV-3-02-071 K RV-3-02-071 L RV-3-02-071 C Target Rock RV's Description Of Work Performed Installed a rebuilt safety relief valve Installed a rebuilt safety relief valve Installed a rebuilt safety relief valve Installed a rebuilt safety relief valve Installed a rebuilt safety relief valve Installed a rebuilt safety relief valve Installed a rebuilt safety relief valve Machining valves at Target Rock Facility Date Complete 9/24/2010 9/30/2010 9/25/2010 9/25/2010 9/25/2010 9/24/2010 9/25/2010 5/4/2010 R&R Plan # and W/O #
10-002, R1053808 10-003, R1053811 10-004, R1114865 10-005, R1053810 10-006, R1054100 10-007, R1053809 10-008, R1051567 10-123, N/A SYSTEM 01A:
MAIN STEAM SYSTEM Code Class Class 1 Class 1 Class 1 Class 1 Class 1 Class 1 Repair, or Item Description Replacement (component I.D.)
Replacement Main Steam Lines Replacement HV-2-01 A-83A Replacement HV-2-01 A-84A Replacement HV-2-01A-83C Replacement HV-2-01 A-84C Replacement HV-2-01 A-83D Description Of Work Performed EPU Project - install strain gages on main steam lines Installed new valve bonnet Installed new valve bonnet Installed new valve bonnet Installed new valve bonnet Installed new valve bonnet Date Complete 9/20/2010 9/29/2010 9/29/2010 9/26/2010 9/26/2010 9/27/2010 R&R Plan # and W/O #
10-136, C0233837 10-149, C0235035 10-150, C0235035 10-151, C0235084 10-152, C0235084 10-153, C0235034
TABLE 2 12/16/10, PAGE 2 OF 6 ABSTRACT OF ASME REPAIR/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE FOR PEACH BOTTOM ATOMIC POWER STATION, UNIT NO. 2 NOVEMBER 4,2008 TO OCTOBER 8, 2010 (END OF P2R18 REFUEL OUTAGE)
SYSTEM 03:
CONTROL ROD DRIVE Code Class Class 1 Repair, or Replacement Replacement Item Description (component I.D.)
Description Of Work Performed CRD's 10-39, 14-11, 14-19, Exchanged CRD's with rebuilt CRD's 14-55, 34-55, 34-59, 38-07, 38-11, 38-55, 42-07, 42-47, 42-51, 46-51, 50-43, 50-51, 54-27, 54-47, 58-23, 58-43 Date Complete 10/4/2010 R&R Plan # and W/O #
10-047, R1123932 SYSTEM 04:
REACTOR PRESSURE VESSEL AND INTERNALS Code Class Class 1 Repair, or Replacement Replacement Item Description (component I.D.)
PB-2-04-20S001 Description Of Work Performed Replaced N-7 Flange bolt Date Complete 10/4/2010 R&R Plan # and W/O #
10-039, R1125232 SYSTEM 07:
PRIMARY CONTAINMENT Code Class Class MC Class MC Repair, or Replacement Replacement Replacement Item Description (component I.D.)
N-200B N-200A Description Of Work Performed Installed new bolting hardware on Supp Chamber Hatch Installed new bolting hardware on Supp Chamber Hatch Date Complete 10/1/2010 10/3/2010 R&R Plan # and W/O #
10-027, R1114097 10-028, R1113979
TABLE 2 12/16/10, PAGE 3 OF 6 ABSTRACT OF ASME REPAIR/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE FOR PEACH BOTTOM ATOMIC POWER STATION, UNIT NO. 2 NOVEMBER 4, 2008 TO OCTOBER 8,2010 (END OF P2R18 REFUEL OUTAGE)
SYSTEM 07B:
CONTAINMENT ATMOSPHERE CONTROL (CAC)
Code Repair, or Class Replacement Class MC Replacement Item Description (component I.D.)
Date Description Of Work Performed Complete R&R Plan # and W/O #
10-147, C0234925 AO-2-07B-2502B Installed new flange bolting hardware 9/29/2010 SYSTEM 10:
RESIDUAL HEAT REMOVAL Code Class Class 2 Class 2 ex Class 2 Repair, or Replacement Replacement Repair Repair Item Description (component I.D.)
PB-2-10-2CE024 10GB-S25 PB-2-10-2CE024 Description Of Work Performed Installed new RHR Hx. 2CE024 Floating Head Tightened rigid restraint pipe clamp support, Al 755639 Machined RHR Hx. 2CE024 Floating Hd gasket surface Date Complete 2/20/2009 4/13/2010 9/21/2010 R&R Plan # and W/O #
07-036, C0220077 10-122, R0928239 10-129, C0233586 SYSTEM 11:
STANDBY LIQUID CONTROL SYSTEM Code Class Class 2 Class 2 Repair, or Replacement Replacement Replacement Item Description (component I.D.)
RV-2-11-39A RV-2-11-39B Descrintion Of Work Performed Date Complete 9/22/2010 9/22/2010 Installed new relief valve Installed new relief valve R&R Plan # and W/O #
09-097, R1114863 09-098, R1114861
TABLE 2 12/16/10, PAGE 4 OF 6 ABSTRACT OF ASME REPAIR/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE FOR PEACH BOTTOM ATOMIC POWER STATION, UNIT NO. 2 NOVEMBER 4, 2008 TO OCTOBER 8,2010 (END OF P2R18 REFUEL OUTAGE)
SYSTEM 13:
REACTOR CORE ISOLATION COOLING SYSTEM Code Repair, or Item Description Class Replacement (component I.D.)
Description Of Work Performed Date Complete 3/2/2008 R&R Plan # and W/O #
08-021, R0788620 Class 2 Replacement VRV-2-13C-139B Installed new vacuum relief valve SYSTEM 23:
HIGH PRESSURE COOLANT INJECTION SYSTEM Code Class Class 2 Class 2 Repair, or Item Description Replacement (componentl.D.)
Replacement CHK-2-23C-130 Replacement HV-2-23C-21158 Description Of Work Performed Date Complete 9/25/2010 9/25/2010 Installed vent valves on each side of CHK-2-23C-1 30 Installed new valve R&R Plan # and W/O #
10-052, C0232138 10-110, C0232107 SYSTEM 27G:
TORUS WATER TRANSFER Code Class Class 2 Class 2 Repair, or Replacement Replacement Replacement Item Description (component I.D.)
Torus Pump Mod.
Torus Pump Mod.
Description Of Work Performed Fab & install torus pump/piping per ECR PB09-00224 TCC MR-90; tie in & operate torus dewatering system Date Complete 9/16/2010 9/30/2010 R&R Plan # and W/O #
10-048, C0228600 10-135, C0233635
TABLE 2 12/16/10, PAGE 5 OF 6 ABSTRACT OF ASME REPAIR/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE FOR PEACH BOTTOM ATOMIC POWER STATION, UNIT NO. 2 NOVEMBER 4, 2008 TO OCTOBER 8,2010 (END OF P2R18 REFUEL OUTAGE)
SYSTEM 32:
HIGH PRESSURE SERVICE WATER SYSTEM Code Class Class 3 Class 3 Class 3 Class 3 Class 3 Repair, or Replacement Replacement Repair Repair Repair Replacement Item Description (component I.D.)
CHK-2-32-502B CHK-2-32-502A CHK-2-32-502D CHK-2-32-502C RV-2-32-180C Description Of Work Performed Replaced HPSW 2BP042 Disch Check Valve drain pipe Replaced HPSW 2AP042 Disch Check Valve drain pipe Replaced HPSW 2DP042 Disch Check Valve drain pipe Weld repaired bearing cap 2CP042 Disch Check Valve Installed new RHR Hx. 2CE024 Tube Side Relief Valve Date Complete 1/6/2010 10/19/2010 6/7/2010 7/9/2009 9/20/2010 R&R Plan # and W/O #
09-001, C0227204 09-006, C0227706 09-084, C0228614 09-088, R0986131 10-145, R0951359 SYSTEM 33:
EMERGENCY SERVICE WATER Code Class Class 3 Class 3 Class 3 Class 3 Class 3 Class 3 Class 3 Repair, or Replacement Replacement Repair Replacement Replacement Replacement Replacement Replacement Item Description (component I.D.)
2-DG-33-220 CHK-0-33-515B HV-0-33-519D CHK-2-33-514 CHK-0-33-515A CHK-0-33-515A CHK-0-33-515A Description Of Work Performed Replaced 16" elbow in E3/E4 Diesel ESW piping Weld build up disc arm and valve body stop location Install branch connection over min wall near HV-519D Installed new check valve Install branch hot tap connection for draining purposes Install PM Cap over low wall reading near CHK-33-515A Install new supports for PM Cap installation Date Complete 12/18/2008 10/26/2009 1/9/2010 9/28/2010 9/10/2010 10/2/2010 9/21/2010 R&R Plan # and W/O #
08-128, C0225767 09-114, C0230912 09-126, C0231377 10-053, C0232103 10-139, C0234405 10-141, C0234505 10-142, C0234506
TABLE 2 12/16/10, PAGE 6 OF 6 ABSTRACT OF ASME REPAIR/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE FOR PEACH BOTTOM ATOMIC POWER STATION, UNIT NO. 2 NOVEMBER 4,2008 TO OCTOBER 8,2010 (END OF P2R18 REFUEL OUTAGE)
SYSTEM 52E:
DIESEL GENERATOR JACKET COOLING Code Class Class 3 Repair, or Replacement Replacement Item Description (component I.D.)
PB-2-52E-0AE376 Description Of Work Performed El D/G Jacket Coolant Cooler tube bundle replacement Date Complete 6/24/2009 R&R Plan # and W/O #
09-087, C0225963 SYSTEM 65A:
HYDRAULIC SNUBBERS Code Class Class 2 Repair, or Replacement Replacement Item Description (component I.D.)
13-DBN-S-16 Description Of Work Performed Installed new hydraulic snubber Date Complete 9/14/2010 R&R Plan # and W/O #
10-067, C0231632 SYSTEM 65B:
MECHANICAL SNUBBERS Code Class Class 1 Class 1 Class 2 Class 1 Class 3 Class 1 Class 3 Repair, or Replacement Replacement Replacement Replacement Replacement Replacement Replacement Replacement Item Description (component I.D.)
M-295-55-H1 SS-6-A 10-GB-S-92 SS-6-B 1-GG-S-111-A SS-1 -A 1 -GG-S-204-B Description Of Work Performed Installed new mechanical snubber Installed new mechanical snubber Installed new mechanical snubber Installed new mechanical snubber Installed new mechanical snubber Installed new mechanical snubber Installed new mechanical snubber Date Complete 9/28/2010 9/22/2010 10/1/2010 9/28/2010 9/25/2010 9/29/2010 10/2/2010 R&R Plan # and W/O #
10-077, C0231642 10-078, C0231643 10-083, C0231648 10-090, C0232225 10-093, C0232228
.10-156, C0235139 10-163, C0235171