Text

90-Day Post-Outage Inservice Inspection (SI) Summary Report
	ML061560142
Person / Time
Site:	Clinton
Issue date:	05/26/2006
From:	Lliff W; AmerGen Energy Co, Exelon Corp
To:	; Document Control Desk, Office of Nuclear Reactor Regulation
References
	FOIA/PA-2010-0209, U-603774
	Download: ML061560142 (79)
	v • d • e

AmerGen An Exelon Company INSERVICE INSPECTION

SUMMARY

REPORT REPORT DATE: May 18, 2006 INSERVICE DATE: April 24, 1987 REFUELING OUTAGE: CIRIO CLINTON POWER STATION R.R.#3 Box 228, CLINTON, ILLINOIS 61727

AmerGen An Exelon Company Clinton Power Station R. R. 3, Box 228 Clinton, IL 61727 10 CFR 50.55a(g)

U-603774 May 26, 2006 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C. 20555-0001 Clinton Power Station, Unit 1 Facility Operating License No. NPF-62 NRC Docket No. 50-461

Subject:

90-Day Post-Outage Inservice Inspection (ISI) Summary Report In accordance with 10 CFR 50.55a, "Codes and standards," paragraph (g), "Inservice inspection requirements," AmerGen Energy Company (AmerGen), LLC is required to maintain an Inservice Inspection Program in accordance with the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code. Please find enclosed the Post-Outage (90-Day) ISI Summary Report for Clinton Power Station, Unit 1, for examinations and repair/replacement activities performed between February 26, 2004 (i.e., the end of the ninth refueling outage) and February 26, 2006 (i.e., the end of the most recent refueling outage).

This report is submitted in accordance with the requirements of ASME Section XI, Article IWA-6200, Paragraph IWA-6230. This refueling outage was the second outage scheduled of the second inspection period of the second inspection interval. The second inspection interval is from January 1, 2000 to December 31, 2010.

Should you have any questions related to this information, please contact Mr. Jim Peterson at (217) 937-2810.

1 4lim S. ,lift Regulatory Assurance Manager Clinton Power Station JLP/amw Attachment Day Post-Outage ISI Summary Report cc: Regional Administrator, NRC Region III Aoq7 NRC Senior Resident Inspector, Clinton Power Station Office of Nuclear Facility Safety - IEMA Division of Nuclear Safety

INSERVICE INSPECTION

SUMMARY

REPORT CIR1O Prepared by: I/-\6o*

Reviewed by:

/ 5- 18-o6

- w II Approved by:

Concurred by:

TABLE OF CONTENTS TITLE SECTION APPROVALS TABLE OF CONTENTS INTRODUCTION AND SCOPE ................................................................. I NIS-I CODE DATA REPORT .................................................................... 2 0 ABSTRACT OF EXAMINATIONS LISTING OF EXAMINATION AND TESTING PROCEDURES ............. 3 LISTING OF EXAMINATION AND TESTING PERSONNEL ................ 4 LISTING OF EQUIPMENT AND MATERIALS ........................................ 5 REPAIR AND REPLACEMENT .................................................................. 6

° LISTING OF REPAIRS/REPLACEMENTS PERFORMED "NIS-2 DATA REPORTS

Page I of 3 SECTION I INTRODUCTION AND SCOPE INTRODUCTION:

This Summary Report covers the Inservice Inspection performed at Clinton Power Station (CPS), between February 26, 2004 and February 26, 2006. This is the second inspection performed during the second inspection period of the second ten (10)-year interval. During this Fuel Cycle, CPS experienced five forced outages (CI F42. CIF43, C1 F44, Cl F45, and Cl F46) and one planned refueling outage (CI RIO). All examinations, tests, repairs and replacements were performed in accordance with the CPS Inservice Examination Plan which complies with ASME Section X1, 1989 Edition.

The ASME Section XI examinations, tests and repairs/replacements were witnessed or verified by Authorized Nuclear Inservice Inspector ( ANJI) M. Haydon of Hartford Steam Boiler of Connecticut. This summary report contains additional augmented (non-ASME Section XI) inspection results not required to be witnessed or verified by the ANII.

In accordance with IWA-6220, the name and description of the components examined are listed on the NIS-] Data Report and its attachments (Section 2). Further component information is obtainable through the reference number, or other information, for the specific item. The manufacturers' names for the components examined are also identified in Item 7 of the NJ S-I Data Report and their addresses are on file at CPS.

Documentation supporting this Summary Report is referenced in the Inservice Examination Plan, implementing procedures, or record files identified in the specific sections of this report.

Scope:

The scope of Inservice Inspection performed during this Fuel Cycle is summarized as follows:

" Preservice Examinations - Preservice examinations were performed on bolting associated with the main steam safety relief valves and various flange boltings.

Also, preservice examinations were performed on five (5) piping welds as a result of modification to the RCIC system during C IR 10.

Scheduled Inservice Examinations - The NIS-I Data Report (Section 2) provides the listing of all examinations completed during C l R 10. Conditions noted during Cl RIO and corrective measures taken are described in the NIS-I Data Report.

Page 2 of 3 Snubbers - There are five hundred seventy-one (571) snubbers in the ISI Program required by the CPS Operational Requirements Manual (ORM). Per the initial outage scope, 90 snubbers were removed from the plant with 80 of them functionally tested. The 80 snubbers originally scoped for functional testing during C1R10 included:

Fifty-nine 159) snubbers to meet the 10% ORM representative sample requirement,

Nine (9) snubbers that failed functional testing in C1R09,

Seven (7) snubbers in response to C1R09 corrective action 205123-09, and

" Five (5) snubbers that were degraded in C1 R09 were tested as part of the Service Life Monitoring Program.

Twenty (20) type-I snubbers had preventive maintenance (PM) performed on them to address corrective action 205123-07. Ten (10) of these snubbers were part of the original 10% sample plan and functionally tested before their PM. The other ten (10) snubbers were removed solely to perform the PM activity.

During the performance of initial sample testing, three (3) snubbers (two type 1 and one type 2) failed to meet functional testing acceptance criteria. Type 1 snubbers consist of PSA-/ and Y2 sizes and type 2 snubbers consist of PSA-1, 3 and 10 sizes. An additional ten (10) type 1 snubbers were selected for functional testing. No failures occurred in this additional sample. An additional sixteen (16) type 2 snubbers were selected for functional testing.

No failures occurred in this additional sample.

One (1) type 2 snubber was functionally tested after it was determined that a portion of a temporary shielding package was being supported by its extension piece. Functional test results were acceptable.

Overall, one hundrel and seventeen (117) snubbers were removed from the plant. One hundred' and seven (107) were functionally tested and the remaining ten (10) had preventive maintenance activities performed on them.

CPS did not implement any modifications during CIR10 that removed or installed snubbers. therefore, the ISI Program snubber population after C1R10 remains at 571.

Page 3 of 3

Component Supports - Twenty six (26) components supports (other than snubbers) and two (2) Class 3 integral attachments were scheduled for visual examination for CIRI 0. All were found acceptable.

" Pressure Tests - ASME Code Class I Components - A system leakage test and VT-2 inspection of ASME Code Class I components were successfully performed prior to plant startup.

Repairs and Replacements - During C IR 10 no repairs and replacements were required as a result of scheduled examinations. Also during C JR JO, there were several modifications performed. The modifications, as well as repairs and replacements which resulted from routine maintenance, are specifically detailed in Section 6 of this report.

FORM NIS-] OWNER'S REPORT FOR INSERVICE INSPECTION ATTACHMENT]

1. Owner: Amergen Energy Co.. LLC. 965 Chesterbrook Blvd.. Wayne. PA 19087

2. Plant: Clinton Power Station. RR3 Box 228. Clinton. IL 61727

3. Plant Unit: 1 4. Owner Certificate of Autherization: N/A

5. Commercial Service Date: 4-24-87 6. National Board Number for Unit: N/A

10. Abstract of Examination:

Listing of Examinations:

Table I lists scheduled examinations of components for C IR 10. The results column in the table provides further explanation for these examinations. Those items, which were examined, that require no further evaluation are identified as acceptable.

Table 2 lists scheduled visual examinations of component supports. The results column in the table provides further explanation for these examinations/tests. Those items, which were examined/tested, that require no further evaluation are identified as acceptable. The visual examination results of all supports were acceptable.

Table 3 lists visual examinations and functional testing of snubbers. The results column in the table provides further explanation for these examinations/tests. Those items, which were examined/tested, that require no further evaluation are identified as acceptable. The visual examination results of snubbers are identified as acceptable. For those snubbers, which had unacceptable functional tests. the additional snubbers tested are included in this table and discussed further in attachment 2.

Table 4 lists scheduled pressure tests. The results column in the table provides further explanation for these tests.

Current Interval Status:

Currently CPS is in the Second Period of the Second Interval. CPS had two (2) refueling outages, C IR07 and C IR08 during the First Period. CPS had two (2) refueling outages, C IR09 and C I R10. during the Second Period. CPS will have two (2) refueling outages, C IROI I and C IR12, during the Third Period. With the exception of the examinations that may be deferred until the end of the inspection interval, the required examinations in each examination category were completed (Inspection Program B).

During the seventh refueling outage (CIR07) two (2) items were identified as requiring relief from NRC. These items are identified as N7 and RHR-A-2. During the eighth refueling outage (CI R08) ten (10) items were identified as requiring relief from NRC. These items are CH-C-2. RPV-C5, N2F, N2G. N3A. N3C. N4A. N4D. N5A. and N9A.

Durin2 the ninth refueling outage (CI R09) one (I) item was identified as requiring relief from NRC. This item is identified as ]-MS-A-7PR-WA. During I CR 10 eleven items were identified as requiring relief from NRC. These items are identified as NIB. N2B. N2C. N2D. N2E. CH-C-2, I-RR-A-1. 1-RR-B-1. 1-RH-20-7. I-RT.-36-7. and ]-RT-36-1A.

FORM NIS-1 OWNER'S REPORT FOR INSERVICE INSPECTIONS As Required by the Provisions of the ASME Code Rules

1. Owner Amerqen Energy Co., LLC, 965 Chesterbrook Blvd., Wayne, PA 19087

2. Plant Clinton Power Station, RR3 Box 228, ClintonIL 61727

3. Plant Unit 1 4. Owner Certificate of Authorization (if required) N/A

5. Commercial Service Date 4/24/1987 6. National Board Number for Unit N/A

7. Components Inspected Component or Manufacturer Manufacturer State National Appurtenance or Installer or Installer Number Board No.

Serial No.

Reactor Vessel 1B13-D003 Chicago Bridge & Iron Co. B5225 B005056 4442 Core Shroud Sun Shipbuilding and 1B13-D070 Dry Dock Co. 50977-1 N/A 1386 RHR Pump 1E12-CO02A Byron Jackson 741-S-1448 N/A N/A HPCS Pump 1E22-COOI Byron Jackson 731-S-1186 N/A N/A LPCS Pump 1E21-C001 Byron Jackson 741-S-1451 N/A N/A Valve 1E12-F01OA Anchor/Darling Valve Co. E-6214-1 1-1 N/A N/A Valve 1E12-F039A Anchor/Darling Valve Co. E-6214-8-1 N/A N/A Valve 1E21 -F042A Anchor/Darling Valve Co. E-6214-9-1 N/A N/A Piping Systems Illinois Power Co. See Note 1 N/A N/A Note 1: The piping components examined/tested are listed in Attachment 1 of this NIS-1 Data Report.

Note: Supplemental sheets in form of lists, sketches, or drawings may be used, provided (1) size is 8 1/2 in. x 11 in. (2) information in the items 1 through 6 on this report is included on each sheet, and (3) each sheet is numbered and the number of sheets is recorded at the top of this form.

FORM NIS-1 (Back) , .

8. Examination Dates 02/26/04 to 02/26/06 9. Inspection Interval from 01/01/00 to 12/31/10

10. Abstract of Examinations. Include a list of examinations and a statement concerning status of work required for current interval.

See Attachment 1.

11. Abstract of Conditions Noted.

See Attachment 2.

12.; Abstract of Corrective Measures Recommended and taken '

'See Attachment 2. .

We certify that the statements made in this report are correct and the examinations and corrective measures taken conform to the rules of the ASME Code,Section XI. "

Certificate of Authorization No. (if-applicable) N/A Expiration Date N/A . -

Date I-21f- O(, Signed Amerqen Energy Co., LLC"By Owner 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.-. Illinois and employed by. Hartford Steam Boiler of Connecticut have inspected the components described in,_,

this -owner's report during the period 02/26/04 'to-02/26/06,

-- and state that to the best -- -

of my knowledge and belief, the owner has performed examinations and taken corrective. _

measures described in this owner's Report in accordanceW ith the inspection plan and as required by the ASME Code,Section XI.

By signing this certificat6'neither the Inspector .nbor his employer makes any warranty, Expressed Or implied, concerning the examinations and corrective measures described in

'Owner's Re ort. FirtheirmorTerieith6r the Inspector nor his employer shall be liable in any' Manne ny personal injury orproperty damage or a loss of any kind arising from or te Nith'thi inspection.. . .

" Commissions 7'" "" .

National Board, state, province, and endorsements Inspector's Sio aTlure Date 5S((4~D.9

FORM NIS-I OWNER'S REPORT FOR INSERVICE INSPECTION ATTACHMENT I TABLE I

i. Owner: Amergen Co., LLC, 965 Chesterbrook Blvd., Wayne, PA 19087

2. Plant: Clinton Power Station, RR3 Box 228, Clinton, IL 61727

3. Plant Uni: 1 4. Owner Certificate of Autherization: N/A

5. Commercial Service Date: 4-24-87 6. National Board Number for Unit: N/A

10. Abstract of Examinations: Listing of Scheduled Examinations.

REFERENCE ITEM EXAM CODE CODE CODE RESULTS NUMBER IDENTIFICATION TYPE ITEM CATEGORY CLASS 000300 RPV.SK(I/3) MT BI0.10 B-K I ACCEPTABLE 001150 NIB MECH UT B3.90 B-D I ACCEPTABLE, NOTE I 001250 N2B MECH UT1 B3.90 B-D I ACCEPTABLE, NOTE I 001300 N2C MECH UT B3.90 B-D I ACCEPTABLE, NOTE 1 001350 N2D MECH UT B3.90 B-D I ACCEPTABLE, NOTE I 001400 N2E MECH UT B3.90 B-D I ACCEPTABLE, NOTE 1 002500 NIB-IRS MECH UT B3. i00 B-D I ACCEPTABLE 002600 N2B-IRS MECH UT B3.100 B-D I ACCEPTABLE 002650 N2C-IRS MECH UT B3.100 B-D I ACCEPTABLE 002700 N2D-IRS MECH UT B3.100 B-D 1 ACCEPTABLE 002750 N2E-IRS MECH UT B3.100 B-D I ACCEPTABLE 004300 NIA-W-I MECH UT NA NA I ACCEPTABLE 004350 NIB-W-I MECH UT NA NA I ACCEPTABLE 004400 N2A-W-I MECH UT NA NA I ACCEPTABLE 004440 N2B-W-I MECH UT _ NA NA I ACCEPTABLE 004480 N2C-W-I MECH UT NA NA I ACCEPTABLE 004520 N2D-W-I MECH UT _ NA NA I ACCEPTABLE 004560 N2E-W-I MECH UT NA NA I ACCEPTABLE 004600 N2F-W-I MECH UT NA NA I ACCEPTABLE 004640 N2G-W-1 MECH UT NA NA 1 ACCEPTABLE 004680 N2H-W-1 MECH UT NA NA I ACCEPTABLE 004720 N2J-W-I MECH UT NA NA I ACCEPTABLE 004760 N2K-W-I MECH UT NA NA I ACCEPTABLE 005100 NSA-W-I UT-E MECH UT RI.I I R-A I ACCEPTABLE 005120 N5A-W-2 UT-E MECH UT RI.i I R-A I ACCEPTABLE 005140 N5B.-W-I UT-E MECH UT RI I. R-A I ACCEPTABLE 005160 N5B-W-2 UT-E MECH UT RI II R-A I ACCEPTABLE 005300 N6A-W-I UT-E MECH UT RI. I R-A I ACCEPTABLE 005320 N6A-W-2 UT-E MECH UT RIA.I R-A I ACCEPTABLE 005340 N6B-W-I UT-E MECH UT RI. I R-A 1 ACCEPTABLE 005360 N6B-W-2 UT-E MECH UT RI. I R-A I ACCEPTABLE 005365 N6C-W-1 UT-E MECH UT RIA I R-A I ACCEPTABLE 005370 N6C-W-2 UT-E MECH UT RI. II R-A I ACCEPTABLE 005500 N9A-W-1 UT NA NA I ACCEPTABLE 007500 CLOSURE STUDS(22) MT UT B6.30 B-G-1 1 ACCEPTABLE 007550 !CLOSURE NUTS(22) MT B6.10 B-G-I I ACCEPTABLE 007600 FLG LIG. THREADS(22) UT B6.40 B-G-I I ACCEPTABLE 007650 CLOSURE WASHERS(22) VT-I B6.50 B-G-I I ACCEPTABLE

FORM NIS-I OWNER'S REPORT FOR INSERVICE INSPECTION ATTACHMENT I TABLE I I. Owner: Amergen Co., LLC, 965 Chesterbrook Blvd., Wayne, PA 19087

2. Plant: Clinton Power Station, RR3 Box 228, Clinton, IL 61727

3. Plant Uni: 1 4. Owner Certificate of Autherization: N/A

5. Commercial Service Date: 4-24-87 6. National Board Number for Unit: N/A

10. Abstract of Examinations: Listing of Scheduled Examinations.

REFERENCE ITEM EXAM CODE CODE CODE RESULTS NUMBER IDENTIFICATION TYPE ITEM CATEGORY CLASS 008561 CS-A-APB(PBl) EVT-I NA NA I ACCEPTABLE 008562 CS-A-BP4C EVT-1 NA NA I ACCEPTABLE 008563 CS-A-BP4D) EVT-1 _ NA NA I ACCEPTABLE 008564 CS-A-BP8 VT-I NA NA I ACCEPTABLE 008565 CS-A-BPB(PB2) EVT-I NA NA I ACCEPTABLE 008566 CS-A-PR EVT-l NA NA I ACCEPTABLE 008567 CS-A-ADR EVT-I NA NA I ACCEPTABLE 008568 CS-A-BDR EVT-I NA NA I ACCEPTABLE 008569 CS-B-PR EVT-I NA NA I ACCEPTABLE 008570 CS-B-CDR EVT-1 NA NA I ACCEPTABLE 008571 CS-B-DDR EVT-I NA NA I ACCEPTABLE 008572 IRM VT-3 NA NA I ACCEPTABLE 008573 SRM 'C' VT-3 NA NA I ACCEPTABLE, SEE NOTE 2 008574 LPRM (only 4) VT-3 NA NA I ACCEPTABLE 008575 LPCI-A-6-1a EVT-I NA NA I ACCEPTABLE 008576 LPCI-A-6-Ib EVT-I NA NA I ACCEPTABLE 008577 LPCI-A-6-Ic EVT-1 NA NA I ACCEPTABLE 008578 LPCI-A-6-1 d EVT-I NA NA I ACCEPTABLE 008579 LPCI-A-6-4 EVT-I NA NA I ACCEPTABLE 008580 LPCI-A-6-5a EVT-I _ NA NA I ACCEPTABLE 008581 LPCI-A-6-5b EVT-I NA NA I ACCEPTABLE 008582 LPCI-A-6-6b EVT-I _ NA NA I ACCEPTABLE 008583 Surveillance Speci Brackets VT-I NA NA I ACCEPTABLE, SEE NOTE 3 008584 St Dryer Supp Brackets EVT-i NA NA I ACCEPTABLE, SEE NOTE 4 008585 Guide Rod attachments VT-I NA NA I ACCEPTABLE 008586 St Separator Lower Bracket VT-3 NA NA I ACCEPTABLE, SEE NOTE 5 008587 Steam Dryer EVT-I NA NA NA ACCEPTABLE, SEE NOTE 6 008588 JP Wedges (only 4) VT-I NA NA I ACCEPTABLE 009050 CH-C-2 MT UT B1.40 B-A I ACCEPTABLE, NOTE 1 101020 I-MS.ASA-I-FB VT-I B7.50 B-G-2 I ACCEPTABLE 103220 I-MS-BSD-1-FB VT.1 B7.50 B-G-2 I ACCEPTABLE 103420 I-MS-BSE-I-FB VT-I B7.50 B-G-2 1 ACCEPTABLE 105620 I-MS-CSE-I-FB VT-I B7.50 B-G-2 I ACCEPTABLE 111140 I-FW.--3-2 UT-E R1.11 R-A I ACCEPTABLE 111700 I-FW-I-6QI UT-E RI.II R-A I ACCEPTABLE 111730 I-FW-I-4-2 UT-E 1.RI.l R-A I ACCEPTABLE 111920 1i-FW-1-6-3 UT-E RI.II R-A I ACCEPTABLE 134700 I-RR-A-I MECH UT NA NA I ACCEPTABLE, NOTE I

FORM NIS-I OWNER'S REPORT FOR INSERVICE INSPECTION ATTACHMENT I TABLE I

1. Owner: Amergen Co., LLC, 965 Chesterbrook Blvd., Wayne, PA 19087

2. Plant: Clinton Power Station, RR3 Box 228, Clinton, IL 61727

3. Plant Uni: 1 4. Owner Certificate of Autherization: N/A

5. Commercial Service Date: 4-24-87 6. National Board Number for Unit: N/A

10. Abstract of Examinations: Listing of Scheduled Examinations.

REFERENCE ITEM EXAM CODE CODE CODE RESULTS NUMBER IDENTIFICATION TYPE ITEM CATEGORY CLASS 134990 I-RR-A-4A UT-E RI.20 R-A I ACCEPTABLE 136240 I-RR-A-CRW-2-FB VT. B7.50 B-G-2 I ACCEPTABLE 136600 i-RR-B-1 MECH UT NA NA I ACCEPTABLE, NOTE 1 136880 I-RR-B-4PR-I-WA PT B10.20 B-K I ACCEPTABLE 138240 I-RR-B-CRW-2-FB VT-I B7.50 B-G-2 I ACCEPTABLE 141660 I-LP-1-12 UT-E RI.1" R-A I ACCEPTABLE 165300 I-RH-20-7 UT NA i NA I ACCEPTABLE, NOTE I 165320 I-RH-20-4-2 UT NA NA I ACCEPTABLE 165340 I-RH-20.4-3 UT NA NA I ACCEPTABLE 165440 I -RH-20-6 UT _ NA NA I ACCEPTABLE 173000 I-RT-36-7 UT NA NA I ACCEPTABLE, NOTE I 173020 i-RT-36-4-3 UT NA NA I ACCEPTABLE 173040 1-RT-36-4-2 UT NA NA I ACCEPTABLE 173050 I-RT-36-6A UT "" _NA NA I ACCEPTABLE 173400 i-RT-36-IA UT NA NA I ACCEPTABLE, NOTE 1 173420 I -RT-36-3-3 UT NA NA I ACCEPTABLE 173440 I-RT-36-3-2 UT INA NA I ACCEPTABLE 173450 I-RT-36-IC LUT NA NA I -CCEPTABLE 230640 1B33-FO60A VT-I B7.70 B-G-2 I ACCEPTABLE 230760 IE12-FOIO VT-1 B7.70 B-G-2 I ACCEPTABLE 230780 IEI2-F039A VT-I B7.70 B-G-2 I ACCEPTABLE 230900 IEI2-F042A VT-I B7.70 B-G-2 I ACCEPTABLE 575640 I-RH-26-3 UT-WT RI.13 R-A 2 ACCEPTABLE 575680 I-RH-26-2-3 UT-WT RI.13 R-A 2 ACCEPTABLE 800100 RHR-A-1 MT C6.I0 C-G 2 ACCEPTABLE 800160 RHR-A-4 MT C6.10 C-G 2 ACCEPTABLE 801500 LPCS-I MT " _ C6.10 C-G 2 ACCEPTABLE 801560 LPCS-4 MT C6. 10 C-G 2 ACCEPTABLE 802500 HPCS-I MT C6.10 C-G 2 ACCEPTABLE 802580 HPCS-5 MT C6.10 C-G 2 ACCEPTABLE 945015 ISX22003A-WA VT-1 DI.20 D-A 3 ACCEPTABLE 945895 ISX28009A-WA VT-I DI.20 D-A ] 3 ACCEPTABLE

FORM NIS-i OWNER'S REPORT FOR INSERVICE INSPECTION ATTACHMENT I TABLE I Notes

1. Owner: Amerpen Energy Co.. LLC. 965 Chesterbrook Blvd.. Wayne. PA 19087

2. Plant: Clinton Power Station. RR3 Box 228. Clinton. IL 61727

3. Plant Unit: 1 4. Owner Certificate of Autherization: N/A

5. Commercial Service Date: 4-24-87 6. National Board Number for Unit: N/A

10. Abstract of Examinations: Listing of Scheduled Examinations Note 1:

The examination coverage for these welds, NI B. N2B, N2C, N2D. N2E, CH-C-2, I-RR-A-1, 1-RR-B-I, I-RH-20-7. I-RT-36-7, AND I-RT-36-1A was less than 90.0%. A relief request will be submitted.

-Note 2:

SRM - During the last outage, CIR09, dry tube 38-35. SRM 'D'. linear indications were noted above the tube to primary pressure boundary fillet weld, on the non-pressure boundary side. The indications had both horizontal and vertical components. This is not an ASME Section XI item.

This dry tube was replaced during CI RI 0.

Note 3:

Surveillance Specimen Brackets -- Surveillance Specimen Brackets @ 003 and 177 degrees were examined during C IR09 and it was identified that both lower tack welds on the attachment bracket were observed to be cracked. This is located outside the Section XI examination boundary. During this outage, Cl RI 0. this crack was monitored. See anachment 2 for further details.

Note 4:

Steam Dryer Support Brackets - During C IR09 it was identified that several steam dryer support brackets appear to have contact marks and some -donot have any contact marks with the steam dryer. This is not an ASME Section XI item. During CI R 10. these brackets were examined and determined no changes.

Note 5:

Steam Separator Lower Bracket -- During the CI R09 separator examination of the lower guide at zero degrees, it was observed that the lower left outside comers were found with mechanical deformation. During C IR RI0 outage this was examined and determined that this deformation has not changed. However, another mechanical deformation was observed on the inside portion of the guide. Upon review of the C IR09 outage tape on the separator lower guide at zero degrees, this indication was observed. This is not an ASME Section XI ilem. See attachment 2 for further details.

Note 6:

Steam Dryer -

I- A minor mechanical deformation was identified at the bottom of the drain channel #5 during C IR 10. See attachment 2 for further details.

2- During the C IR 10 outage 2 indications were observed in the steam dryer bank # 5 horizontal weld H3 weld. One indication is located under the lie bar 28 in the H3 weld and is approximately 2.75 inches in length. The second indication is located under the tie bar number 30 and is in the H3 weld also. This indication is 2.25 inches in length. See attachment 2 for further details.

3- Several linear indications were identified in the upper ring in the steam dryer. These indications are in the bank bottom plate just above the bank bottom plate to splice bar weld. See attachment 2 for further details.

FORM NIS-I OWNER'S REPORT FOR INSERVICE INSPECTION ATTACHMENT I TABLE 2

1. Owner: Amergen Co., LLC, 965 Chesterbrook Blvd., Wayne, PA 19087

2. Plant: Clinton Power Station, RR3 Box 228, Clinton, IL 61727

3. Plant Uni: 1 4. Owner Certificate ofAutherization: N/A

5. Commercial Service Date: 4-24-87 6. National Board Number for Unit: N/A

10. Abstract of Examinations: Listing of Scheduled Examinations.

REFERENCE ITEM EXAM CODE CODE CODE RESULTS NUMBER IDENTIFICATION TYPE ITEM CATEGORY CLASS 903900 IMC-9A VT-3 Fi.I0 F-A I ACCEPTABLE 908310 ILP04003R VT-3 F1.20 F-A 2 ACCEPTABLE 909030 4006 VT-3 F1.10 F-A I ACCEPTABLE 909155 IHIOIC(B) VT-3 FI.10 F-A I ACCEPTABLE 909310 IMS07002G VT-3 F1.20 F-A 2 ACCEPTABLE 912020 IRHOI005A VT-3 F1.10 F-A I ACCEPTABLE 912205 IRH06008R VT-3 FI.10 F-A I ACCEPTABLE 913105 1RHO9021R VT-3 FI.20 F-A 2 ACCEPTABLE 913370 1RHO8028V VT-3 FI.20 F-A 2 ACCEPTABLE 913710 IRH04002X VT-3 F1.20 F-A 2 ACCEPTABLE 913890 IRHi 100IV VT-3 F1.20 F-A 2 ACCEPTABLE 913900 IRHI1O06A VT-3 F1.20 F-A 2 ACCEPTABLE 916735 IRH07074X VT-3 F1.20 F-A 2 ACCEPTABLE 917300 IRHO4018G VT-3 FI.20 F-A 2 ACCEPTABLE 919145 IRI01010W VT-3 Fi.10 F-A I ACCEPTABLE 920265 IR108002G VT-3 F1.20 F-A 2 ACCEPTABLE 921220 ISD270-SP13 VT-3 FI.20 F-A 2 ACCEPTABLE 922005 IB302A VT-3 F1.40 F-A I ACCEPTABLE 922255 IH352A VT-3 FI.10 F-A I ACCEPTABLE 923215 IRT01088A VT-3 F1.10 F-A I ACCEPTABLE 940725 ISXOIO04R VT-3 FI.30 F-A 3 ACCEPTABLE 941790 ISX02007R VT-3 FI.30 F-A 3 ACCEPTABLE 942595 ISX20001V VT-3 FI.30 F-A 3 ACCEPTABLE 942965 1SXI0010R VT-3 FI.30 F-A 3 ACCEPTABLE 945010 ISX22003A VT-3 FI.30 F-A 3 ACCEPTABLE 945890 ISX28009A VT-3 I FI.30 F-A 3 ACCEPTABLE

FORM NIS-1 OWNER'S REPORT FOR INSERVICE INSPECTION ATTACHMENT I TABLE 4 I. Owner: Amergen Co., LLC, 965 Chesterbrook Blvd., Wayne, PA 19087

2. Plant: Clinton Power Station, RR3 box 228, Clinton, IL 61727

3. Plant Uni: 1 4. Owner Certificate of Autherization: N/A S. Commercial Service Date: 4-24-87 6. National Board Number for Unit: N/A

10. Abstract of Examinations: Listing of Scheduled Examinations.

REFERENCE ITEM EXAM CODE CODE CODE RESULTS NUMBER IDENTIFICATION TYPE ITEM CATEGORY CLASS 903820 1FW010!0S VT-3 FT 1.10 F-A I Acceptable 903825 IFW]OIOIS VT-3 FT 1.10 F-A I ... Acceptable 903750 IFW02007S VT-3 FT F1.10 F-A I Acceptable 903795 IFW02010S VT-3 FT F1.10 F-A I Acceptable 903800 i FW0201IS VT-3 FT 1.10 F-A I Acceptable 903805 IFW02012S VT-3 FT F1.10 F-A I Acceptable 909259 IMS05013S VT-3 FT F1.10 F-A I Acceptable 909261 IMS05021S VT-3 FT F1.10 F-A I Acceptable 909274 IMS05022S VT-3 FT F1.10 F-A I Acceptable 909276 IMS05023S VT-3 FT FI.10 F-A I Acceptable 909271 IMS05024S VT-3 FT 1.10 F-A I Acceptable 909272 IMS05025S VT-3 FT 1.10 F-A I Acceptable 909277 IMS05026S VT-3 FT 11.10 F-A I Acceptable 909263 IMS05027S VT-3 FT F1.10 F-A I Acceptable 909258 IMS05028S VT-3 FT F1.10 F-A I Acceptable 909278 1MS05034W VT-3 FT F1.10 F-A I Acceptable 909279 IMS05035S VT-3 FT F1.10 F-A I Acceptable 909283 IMS38002S VT-3 FT F1.10 F-A I Acceptable 906030 IMS38028S VT-3 FT F1.10 F-A I Acceptable 909256 INBOIO02S VT-3 FT FI.10 F-A I Acceptable 909291 INBO1O06S VT-3 FT F1.10 F-A I Acceptable 909285 INBO1014S VT-3 FT 71.10 F-A I Acceptable 909295 IRB31514S VT-3 FT Fi.10 F-A I Acceptable 909289 IRB31516S VT-3 FT F1.10 F-A I FT Unacceptable 909297 1RB31529S VT-3 FT F1.I0 F-A I Fr Unacceptable 909298 IRB32520S VT-3 FT F1.10 F-A 1 Acceptable 909296 1RB33516S VT-3 FT FI.O F-A I Acceptable 909284 1RB34512S VT-3 FT F1.10 F-A I Acceptable 919270 IR108034S VT-3 FT F1.10 F-A 1 Acceptable 919280 1R118002S VT-3 FT FI.10 F-A I Acceptable 923005 IRTO1002S VT-3 FT F1.10 F-A I Acceptable 923010 IRTO1003S VT-3 FT F1.10 F-A I FT Unacceptable 923090 IRT01035S VT.3 FT F1.10 F-A I Acceptable 909065 ISI0IB VT-3 FT F1.10 F-A I Acceptable 909260 IS102D VT.3 FT FI.10 F-A I Acceptable 909190 IS106C VT-3 FT F.I.0 F-A I Acceptable 909095 ISi07B VT-3 FT FI.10 F-A I Acceptable

FORM NIS-4 OWNER'S REPORT FOR INSERVICE INSPECTION ATTACHMENT I TABLE 4

1. Owner: Amergen Co., LLC, 965 Chesterbrook Blvd., Wayne, PA 19087

2. Plant: Clinton Power Station, RR3 box 228, Clinton, IL 61727

3. Plant Uni: 1 4. Owner Certificate of Autherization: N/A

5. Commercial Service Date: 4-24-87 6. National Board Number for Unit: N/A

10. Abstract of Examinations: Listing of Scheduled Examinations.

REFERENCE ITEM EXAM CODE CODE CODE RESULTS NUMBER IDENTIFICATION TYPE ITEM CATEGORY CLASS 903880 IHGOIO07S VT-3 FT F1.20 F-A 2 Acceptable 903878 IHG1601"IS VT-3 FT Fl.20 F-A 2 Acceptable 906340 IHP030I4S VT-3 FT F1.20 F-A 2 Acceptable 906215 IHP03028S VT-3 FT F1.20 F-A 2 Acceptable 906320 1HP03032S VT-3 FT F1.20 F-A 2 Acceptable 906240 IHP04006S VT-3 FT F1.20 F-A 2 Acceptable 906706 IIS01033S VT-3 FT F1.20 F-A 2 Acceptable 906722 IISO1040S VT-3 FT F1.20 F-A 2 Acceptable 906698 ILS01046S VT-3 FT Fl.20 F-A 2 Acceptable 906714 JIS01053S VT-3 FT F1.20 F-A 2 Acceptable 906734 11S04015S VT-3 FT F1.20 F-A 2 Acceptable 906736 11S04018S VT-3 FT F1.20 F-A 2 Acceptable 908350 ILP04012S VT-3 FT F1.20 F-A 2 Acceptable 909376 IMS38093S VT-3 FT F1.20 F-A 2 Acceptable 909358 11RB21595S VT-3 FT F1.20 F-A 2 Acceptable 909338 1RB21596S VT-3 FT F1.20 F-A 2 Acceptable 909334 IRB21599S VT-3 FT F1.20 F-A 2 Acceptable 909364 IRB21637S VT-3 FT F1.20 F-A 2 Acceptable 909336 IRB24565S VT-3 FT F1.20 F-A 2 Acceptable 909362 1RB24566S VT-3 FT F1.20 F-A 2 Acceptable 909366 11RB24568S VT-3 FT F1.20 F-A 2 Acceptable 909340 IRB24569S VT-3 FT FI.20 F-A 2 Acceptable 909368 IRB24575S VT.3 FT F1.20 F-A 2 Acceptable 909342 1RB24576S VT-3 FT Fl.20 F-A 2 Acceptable 909396 IRB31597S VT-3 FT F1.20 F-A 2 Acceptable 913445 IRHO7058S VT-3 FT F1.20 F-A 2 Acceptable 916690 1RH07067S VT-3 FT Fl .20 F-A 2 Acceptable 913563 IRH07107S VT-3 FT FI.20 F-A 2 Acceptable 916420 IRHO7119S-E VT-3 FT FI.20 F-A 2 Acceptable 916430 IRH07119S-W VT-3 FT F1.20 F-A 2 Acceptable 915620 IRH07122S VT-3 FT F1.20 F-A 2 Acceptable 914225 IRH09056S VT-3 FT FI.20 F-A 2 Acceptable 914030 1RH09068S VT-3 FT FI.20 F-A 2 Acceptable 913125 IRHO9075S VT-3 FT F1.20 F-A 2 Acceptable 915150 IRHI6013S-E VT-3 FT F3.20 F-A 2 Acceptable 915200 IRHI6013S-W VT-3 FT FI.20 F-A 2 Acceptable 915000 IIRHI7002S VT-3 FT F1.20 F-A 2 Acceptable

FORM NIS-1 OWNER'S REPORT FOR INSERVICE INSPECTION ATTACHMENT I TABLE 4 I. Owner: Amergen Co., LLC, 965 Chesterbrook Blvd., Wayne, PA 19087

2. Plant: Clinton Power Station, RR3 box 228, Clinton, IL 61727

3. Plant Uni: 1 4. Owner Certificate of Autherization: N/A

5. Commercial Service Date: 4-24-87 6. National Board Number for Unit: N/A

10. Abstract of Examinations: Listing of Scheduled Examinations.

REFERENCE ITEM EXAM CODE CODE CODE RESULTS NUMBER IDENTIFICATION TYPE ITEM CATEGORY CLASS 916800 1RH23005S VT-3 FT F1.20 F-A 2 Acceptable 915960 IRH62037S VT-3 FT F1.20 F-A 2 Acceptable 920350 IRI02018S VT-3 FT F1.20 F-A 2 Acceptable 921140 IRT08003S VT-3 FT F1.20 F-A 2 Acceptable 909560 IFCO308IS VT-3 FT F1.30 F-A 3 Acceptable 911280 IMS10705S VT-3 FT F1.30 F-A 3 Acceptable 911260 1MS I 0806S VT-3 FT Fl1.30 F-A 3 Acceptable 911265 IMSI 0808S VT-3 FT F1.30 F-A 3 Acceptable 911295 IMS!O909S VT-3 FT F1.30 F-A 3 Acceptable 911300 IMSI0910S VT-3 FT FI.30 F-A 3 Acceptable 910025 IMS21006S VT-3 FT F1.30 F-A 3 Acceptable 910325 IMS22007S VT-3 FT F1.30 F-A 3 Acceptable 910145 1MS26004S VT.3 FT F1.30 F-A 3 Acceptable 910175 IMS2601OS VT-3 FT F1.30 F-A 3 Acceptable 910475 IMS27012S VT-3 FT FI.30 F-A 3 Acceptable 911055 IMS30002S VT-3 FT F1.30 F-A 3 Acceptable 911110 IMS30013S VT-3 FT F1.30 F-A 3 Acceptable 910085 IMS32003S VT-3 FT F1.30 F-A 3 Acceptable 910115 IMS32009S VT-3 FT F1.30 F-A 3 Acceptable 910400 IMS33009S VT-3 FT FI.30 F-A 3 Acceptable 910615 IMS34004S VT-3 FT F1.30 F-A 3 Acceptable 910885 IMS35010S VT-3 FT FI.30 F-A 3 Acceptable 909440 IRH09081 S VT-3 FT F1.30 F-A 3 Acceptable 925300 IRT02026S VT-3 FT F1.30 F-A 3 Acceptable 924915 IRT02072S VT-3 FT FI.30 F-A 3 Acceptable 924980 1RT02084S VT-3 FT F1.30 F-A 3 Acceptable 924320 1RT03002S VT-3 FT F1.30 F-A 3 Acceptable 925050 IRT05006S VT-3 FT F1.30 F-A 3 Acceptable 925005 IRT05024S VT-3 FT Fi.30 F-A 3 Acceptable 924215 IRT05052S VT-3 FT F!.30 F-A 3 Acceptable 924160 i RT05069S VT-3 FT Fl .30 F-A 3 Acceptable 924025 1RT06006S V'T-3 FT F1.30 F-A 3 Acceptable 924045 IRT06009S VT-3 FT FI.30 F-A 3 Acceptable 924055 IRT060ISS VT-3 FT FI.30 F-A 3 Acceptable 924060 IRT060I8S VT-3 FT F1.30 F-A 3 Acceptable 924090 1RT0604OS VT-3 FT F1.30 F-A 3 Acceptable 924110 I!RT07014S IVT-3 FFT F1.30 F-A 3 Acceptable

FORM NIS-l OWNEWS REPORT FOR INSERVICL INSPECTION ATTACHMENT I TABLE 4

1. Owner: Amergen Co., LLC, 965 Chesterbrook Blvd., Wayne, PA 19087

2. Plant: Clinton Power Station, RR3 box 228, Clinton, IL 61727

3. Plant Uni: 1 4. Owner Certificate ofAutherization: N/A

5. Commercial Service Date: 4-24-87 6. National Board Number for Unit: N/A

10. Abstract of Examinations: Listing of Scheduled Examinations.

REFERENCE ITEM EXAM CODE CODE CODE RESULTS NUMBER IDENTIFICATION TYPE ITEM CATEGORY CLASS 924285 1RT07022S VT-3 FT FI.30 F-A 3 Acceplable 924115 IRT07028S VT-3 FT FI.30 F-A 3 Acceptable 925600 1RT30002S VT-3 FT Fl .30 F-A 3 Acceptable 947900 IMS07019S VT-3 FT NA NA D Acceptable 948040 I MS07048S VT-3 FT NA NA D Acceptable 903850 IDG06008S VT-3 FT ,A NA 0 Acceptable

FORM NIS-1 OWNER'S REPORT FOR INSERVICE INSPECTION ATTACHMENT I TABLE 4

1. Owner: Amergen Co., LLC, 965 Chesterbrook Blvd., Wayne, PA 19087

2. Plant: Clinton Power Station, RR3 box 228, Clinton, IL 61727

3. Plant Uni: 1 4. Owner Certificate of Autherization: N/A

5. Commercial Service Date: 4-24-87 6. National Board Number for Unit: N/A

10. Abstract of Examinations: Listing of Scheduled Examinations.

ITEM EXAM CODE CODE CODEJ RESULTS IDENTIFICATION TYPE ITEM CATEGORY CLASS ALL CLASS I COMPONENTS VT-2 B15.10.50.60.70 BP-2 I ACCEPTABLE, SEE NOTE I

FORM NIS-1 OWNER'S REPORT FOR INSERVICE INSPECTION ATTACHMENT 1 TABLE 4 Notes

1. Owner: Amergen Energy Co., LLC, 965 Chesterbrook Blvd., Wayne, PA 19087

2. Plant: Clinton Power Station, RR3 Box 228, Clinton, IL 61727

3. Plant Unit: 1 4. Owner Certificate of Autherization: N/A

5. Commercial Service Date: 4-24-87 6. National Board Number for Unit: N/A

10. Abstract of Examinations: Listing of Scheduled Examinations Note 1: Pressure Tests Class 1 Components A system leakage test and VT-2 inspection of ASME Class I components was performed prior to plant startup.

Condition noted: Only minor leakage from valve packing and bolted flanged connections was noted.

Corrective measures: Leakage was corrected to acceptable levels.

FORM NIS-I OWNER'S REPORT FOR INSERVICE INSPECTION ATTACHMENT 2 I. Owner: AmerGen Enerwv Co.. LLC. 965 Chesterbrook Blvd.. Wavne. PA 19087

2. Plant: Clinton Power Station. RR3 Box 228. Clinton. IL 61727

3. Plant Unit: 1 4. Owner Certificate of Authorization: N/A

5. Commercial Service Date: 4-24-87 6. National Board Number for Unit: N/A

10. Abstract of Examinations:

Examinations:

RPV Surveillance Specimen Brackets -

Condition Noted - During the C IR09 (2004) outage examination of the Surveillance Specimen Brackets located at 003 deg. And 177 deg., both lower tack welds on the attachment brackets were observed cracked. This is located outside the Section X] examination boundary. During Cl RI 0 (2006) outage these brackets were examined and no crack growth was identified.

Corrective Measures - Clinton Power Station has evaluated this and justified continued operation.

These tack welds are outside the examination boundary.

Steam Separator-Condition Noted - During C IR09 (2004) examination of the separator's lower guide at zero degrees, it was observed that the left outside comers have mechanical deformation. During C RI 0 (2006) outage this was examined and determined that this deformation has not changed. However, another mechanical deformation was observed on the inside portion of the guide. Upon review of the CI R09 outage tape on the separator lower guide at zero degrees, this indication was observed.

This is not an ASME Section Xl item.

Corrective Measures - Clinton Power Station has evaluated these deformations and justified continued operation. There are no apparent cracks or missing pieces.

Steam Dryer-Clinton Power station has examined the steam dryer in accordance with the requirements of the BWR Owner's Group Vessel Internals Project (BWRVIP) document 139. The following were identified. The steam dryer is not addressed in ASME Section XL.

I - Condition Noted - A minor mechanical deformation was identified at the bottom of the drain channel #5 during CIR10.

Corrective Measures - Clinton Power Station has evaluated this deformation and justified continued operation.

2 - Condition Noted - During the CIRI0 outage 2 indications were observed in the steam dryer bank # 5 horizontal weld H3 weld. One indication is located under the tie bar 28 in the H3 weld and is approximately 2.75 inches in length. The second indication is located under the tie bar number 30 and is in the H3 weld also. This indication is 2.25 inches in length. See attachment 2 for further details.

Corrective Measures - These two (2) indications were repaired by stop drill method.

3 - Condition Noted - Several linear indications were identified in the upper ring in the steam dryer.

These indications are in the bank bottom plate just above the bank bottom plate to splice bar weld.

Corrective Measures - Clinton Power Station has evaluated this deformation and justified continued operation.

Snubbers Functional testing -

An initial sample (10% of each type) of fifty-nine (59) snubbers was selected from the population of five hundred seventy-one (571) snubbers. During the performance of initial sample testing, three (3) snubbers (two type I and one type 2) failed to meet functional testing acceptance criteria. Type I snubbers consist of PSA-/4 and V2 sizes and type 2 snubbers consist of PSA-1, 3 and 10 sizes.

" An additional ten (10) type ] snubbers were selected for functional testing. No failures occurred in this additional sample.

" An additional sixteen (16) type 2 snubbers were selected for functional testing. No failures occurred in this additional sample.

One (1) type 2 snubber was functionally tested afier it was determined that a portion of a temporary shielding package was being supported by its extension piece. Functional test results were acceptable.

Additional snubbers removed from the plant for functional testing or preventive maintenance included:

"Nine (9) snubbers that had failed functional testing in C IR09.

Seven (7) snubbers tested as an augmented inspection for corrective action 205123-09, and

Five (5) snubbers that were identified as degraded during CI R09 and tested as part of the Service Life Monitoring Program.

Ten (10) type I snubbers were removed from the plant to allow first-time preventive maintenance (PM) activity performance. In addition, all ten (10) of the type I snubbers selected for the initial 10% sample plan also had PMs performed on them after as-found functional testing.

Overall, one hundred and seventeen (117) snubbers were removed from the plant. One hundred and seven (107) were functionally tested and the remaining ten (10) had preventive maintenance activities performed on them.

Type I Snubbers -

There are ninety-five (95) type 1 snubbers in the CPS IS] Program. Ten (10) of these were selected for testing under the initial 10% sample plan. These ten (10) snubbers also had first-time preventive maintenance (PM) activities performed on them. Two (2) snubbers, IRB31516S and IRB31529S, failed to meet the functional testing acceptance criteria. Issue Reports 452743 and 452706 were generated., These two snubbers were disassembled for evaluation. The results of these evaluations were:

1RB3 1516S - The evaluation found that the snubber had been over greased at one time. The grease had dried due to exposure to heat and formed a thin layer of hardened grease on the screw shaft and bearings.

IRB3I1529S - The evaluation found very dry grease (powder) with the plating inside and outside discolored from exposure to extreme heat. The snubber had locked up due to lack of lubrication.

Due to these failures, ten (10) snubbers (5% for each failure or 5 for each failure) were selected for testing. All ten (10) snubbers passed the functional testing acceptance criteria.

Three (3) snubbers, 1MS05022S, 1RB24566S and I RT060I8S. were identified in CIR09 as degraded and included in the CIRIO testing plan for trending purposes. All three (3) snubbers passed the functional testing acceptance criteria.

Eight (8) snubbers, IMS10705S. IMS10808S, IMS10909S, IMSI0910S, 1MS38028S.

IMS38093S, I RB2I596S and IRB24575S, failed functional testing performed in CI R09 and were included in the testing plan as required. One (1) snubber, IRB21596S, failed to meet the functional testing acceptance criteria and one (1) snubber, IMS 10909S. was the incorrect size (P-1/4 vice the required P-1/2). Issue Reports 451218 and 450094 were generated. IMS10909S passed the as-found functional testing acceptance criteria and was replaced with the correct size (P-1/2) snubber.

IRB21596S was disassembled for evaluation with the following results:

- 1RB2 1596S - The evaluation found the rod guide assembly twisted or bent causing the snubber to have high drags, leading to the snubber locking up in the final drag test. This was the second straight outage this snubber has failed to meet the functional testing acceptance criteria for this reason. Replacement snubber installation activities were observed to ensure the snubber was not being twisted during installation. No alignment problems were noted.

As required by the ORM, piping components on which these snubbers are installed were analyzed to ensure the integrity of the piping component. The results were satisfactory and documented in Engineering Change (EC) 359401.

Due to the large number of type I failures seen in CI R09 and in response to Issue Report 205123.

CPS began a PM program on type 1 snubbers in CI RI 0. 20% of all type I snubbers had an external visual inspection, disassembly, internal inspection, cleaning, regreasing and reassembly performed.

The NRRG-l 59 grease originally used was replaced by NRRG-2 grease, which is less susceptible to drying out from high irradiation. Twenty (20) snubbers were selected. Ten (10) were from the initial 10% sample plan population and the other ten (10) were randomly selected. Three (3) snubbers, IMS05028S. I RT06009S and IRT06040S. were replaced due to PM inspection indications. An indication noted on one (1) snubber, I RB3 1514S, was corrected during reassembly activities. This snubber passed post-PM functional testing and was not replaced. Issue Reports 451728, 455499 and 455870 were generated to document these results. Indications noted during the PM activities on these four (4) snubbers included:

IMS05028S - The inspection identified the rod and bearing assembly as bent. Most probable cause was something heavy being placed on it. The tip of the screw shaft was also found mushroomed at the end of the housing.

" I RB3151 4S - The inspection found the upper keeper ring dislodged.

IRT06009S - The inspection found the shaft bent on the torque carrier and shaft assembly.

" IRT06040S - The inspection found water damage on all internal parts with corrosion and dried grease noted.

This PM will continue in CIRI I and beyond until all 95 type I snubbers have been rebuilt. No additional snubbers were selected for testing as a result of these PMs, since these snubbers were not part of the original 10% sample plan or the expanded sample population for type I snubbers.

IMS05028S - The inspection identified the rod and bearing assembly as bent. Most probable cause was something heavy being placed on it. The tip of the screw shaft was also found mushroomed at the end of the housing.

IRB3 151 4S - The inspection found the upper keeper ring dislodged.

" IRT06009S - The inspection found the shaft bent on the torque carrier and shaft assembly.

IRT06040S - The inspection found water damage on all internal pans with corrosion and dried grease noted.

This PM will continue in CIRI I and beyond until all 95 type I snubbers have been rebuilt. No additional snubbers were selected for testing as a result of these PMs. since these snubbers were not part of the original 10% sample plan or the expanded sample population for type I snubbers.

Type 2 Snubbers -

There are three hundred and seventeen (317) type 2 snubbers in the CPS IS] Program. Thirty-two (32) were selected for testing under the initial 10% sample plan. One (1) snubber, I RT01 035S. was replaced due to degraded functional testing results. One (1) snubber, I RT0I003S, failed to meet the functional testing acceptance criteria. Issue Report 451704 was generated. This snubber was disassembled for evaluation. The results of this evaluation were:

IRT0I 003S - The evaluation found that the snubber had dried grease throughout the entire snubber body. Vibration wear on the thrust bearing and ball screw assembly were also noted.

Due to this failure, sixteen (16) snubbers (5% of total population) were selected for testing. All sixteen (16) snubbers passed the functional testing acceptance criteria.

As required by the ORM, piping components on which this snubber is installed were analyzed to ensure the integrity of the piping component. The results were satisfactory and documented in Engineering Change (EC) 359401.

One (1) snubber, 1FC03081 S, was tested as required due to failing in CI R09. This snubber passed the functional testing acceptance criteria.

Six (6) snubbers, I MS I0806S. IMS38002S, IR102018S. 1R108034S. 1RT07022S and IRT08003S were selected for testing in response to corrective action item 205123-09. All six (6) snubbers passed the functional testing acceptance criteria.

One (1) snubber, 1MS05024S. was tested due to a portion of a temporary shielding package being supported from its extension piece. Issue Report 452257 was generated. This snubber passed the functional testing acceptance criteria.

Type 3 Snubbers -

There are one hundred and seventeen (117) type 3 snubbers in the CPS IS] Program. Twelve (12) were selected for testing under the initial 10% sample plan. All twelve (12) snubbers passed the functional testing acceptance criteria. One (1) snubber, 1MS30002S, was replaced due to degraded functional testing results.

Two (2) snubbers, IMS2601 OS and IMS30013S, were identified as degraded in C IR09 and included in the CI RI 0 testing plan for trending purposes. Both snubbers passed the functional testing acceptance criteria.

One (1) snubber, 1RH09056S. was selected for testing in response to corrective action item 205123-

09. This snubber passed the functional testing acceptance criteria.

Type 4 Snubbers -

There are four (4) type 4 snubbers in the CPS ISI Program. One (1) snubber was selected for

testing under the initial 10% sample plan. This snubber passed the functional testing acceptance criteria.

Type 6 Snubbers -

There are thirty-eight (38) type 6 snubbers in the CPS 1S1 Program. Four (4) were selected for testing under the initial 10% sample plan. All four (4) snubbers passed the functional testing acceptance criteria. One (1) snubber, IS] 01 B, was replaced to allow sampling and analysis of its hydraulic fluid and seals. Test results will be used to develop a fluid and seal replacement frequency.

SECTION 3 LISTING OF EXAMINATION AND TESTING PROCEDURES This section provides a listing of all examination and testing procedures utilized during this inspection period. This listing includes only the procedures used for testing, examination and associated calibration of equipment. The contractor procedure records are available and located in the Document Record Center files under record type 2E.220 or 3A.1 17 for the CIR10 outage.

Procedure Procedure Name Revision Number DRR Number 386HA480 Certification of Nondestructive Personnel Rev 1 N/A Rev. 19 Add 1 386HA480 Certification of Nondestructive 19 N/A Examination Personnel GE-ADM-1001 Procedure for Performing Linearity 4 N/A Checks on Ultrasonic Instruments Procedure for Nondestructive GE-ADM-1002 Examination Data Review and Analysis 4 N/A of Recorded Indications Procedure for Zero Reference and Data GE-ADM-1005 Recording for Nondestructive 0 N/A Examinations Procedure for Training and Qualification GE-ADM-1025 of Personnel for GE-NE Specialized 9 N/A NDE Applications Administrative Instruction for GE-ADM-1029 Establishing and Maintaining a Foreign 1 N/A Material Exclusion Area Procedure for Training of Personnel Per GE-ADM-1048 ASME Section XI, Appendix VII, 3 N/A Appendix VIII, and USNRC Requirements Operational Guidelines for the Micro-GE-ADM-1052 Tomo Ultrasonic Data Acquisition 0 N/A System GE-ADM-1056 Procedure for Operational Guidelines for Phased Array 0 N/A GE-ADM-1059 Computer Measurements of Digitized N/A Images

Procedure Procedure Name Revision Number DRR Number GE-ADM-1061 Administrative Procedure for In-Vessel 0 N/A Inspection ýIWI) GE Proprietary Procedure for Determining and GE-ADM-1062 Documenting Examination Requirements 0 N/A for Risk-informed Inspections Procedure for the Determination of the GE-ADM-2031 GERIS 2000 OD Data Acquisition 2 N/A System Linearity Procedure for Magnetic Particle GE-MT-100 Examination (Dry Particle, Color 6 06-02 Contrast or Wet Particle, Fluorescent)

GE-PDI-UT-1 PDI Generic Procedure for the Ultrasonic 4 N/A Examination of Ferritic Piping Welds PD1 Generic Procedure for the Ultrasonic GE-PDI-UT-10 Examination of Dissimilar Metal Piping 1 05-41 Welds PDI Generic Procedure for the Ultrasonic Examination of Austenitic Pipe Welds GE-PDI-UT-3 PDI Generic Through WallProcedure for the Sizing in Pipe Ultrasonic Welds 1 N/A PDI Generic Procedure for Straight GE-PDI-UT-5 Beam Ultrasonic Examination of Bolts 2 N/A and Studs PDI Generic Procedure for the Manual GE-PDI-UT-6 Ultrasonic Examination of Reactor 0 N/A Pressure Vessel Welds PDI Generic Procedure for the Manual GE-PDI-UT-7 Ultrasonic Through Wall Sizing of Ultrasonic and Length Indications in 0 N/A Reactor Pressure Vessel Welds Procedure for Liquid Penetrant GE-PT-100 Examination Using Fluorescent and 5 N/A Visible Dye Liquid Penetrant Inspection Methods Procedure for Manual Examination of 7 N/A GE-UT-I105 Piping Welds Outside the scope of PDI Procedure for Automated Ultrasonic for GE-UT-209 Examination of Dissimilar Metal Welds, 18 N/A and Nozzle to Safe End Welds Procedure For Automated Phased Array GE-UT-240 Ultrasonic Raw Detection And Length 2 N/A 1 izing In Austenitic And Ferritic Piping S

Procedure Procedure Name Revision Number DRR Number Welds Procedure for Automated Ultrasonic flaw GE-UT-246 Depth Sizing in Austenitic and Ferritic 3 06-03 Piping Welds Procedure for Manual Examination of GE-UT-300 Reactor Pressure Vessel Assembly 10 N/A Welds GE-UT-304 Procedure for Manual Ultrasonic Planar 8 N/A Flaw Sizing in Vessel Materials GE-UT-308 Procedure for Manual Examination of the 3 N/A RPV Threads in Flange Procedure for Manual Ultrasonic Planar GE-UT-309 Flaw Sizing of Nozzle Inner Radius and 10 N/A Bore Regions Procedure for Manual Ultrasonic GE-UT-311 Examination of Nozzle Inner Radii And 13 N/A Bore GE-UT-601 Procedure for Ultrasonic Thickness Measurements for Erosion/Corrosion Procedure for the Performance of N/A GE-UT-605 Thickness and Contour Measurements Procedure for the Examination of GE-UT-704 Reactor Pressure Vessel Welds with 8 N/A GERIS OD in accordance with Appendix VIII Procedure for the Examination of Reactor Pressure Nozzle Inner Radius GE-UT-705 and Nozzle to Vessel Welds With the 5 N/A GERIS 2000 OD in accordance with Appendix VIII GE-UT-706 Procedure for RPV Flaw sizing with the 2 05-21 GERIS 2000 OD System GE-VT-101 Procedure for VT-1 Examination 2 06-01 GE-VT-103 Procedure for VT-3 Examination 5 N/A

Procedure Procedure Name Revision Number DRR Number Procedure for In-Vessel Visual VT-CLN-206V7 Inspection (IVVI) of BWR 6 RPV 0 N/A Internals Basic-PSA Inc.

BPI-9-XI Nondestructive Examination VT- 2 N/A Personnel Basic-PSA Inc.

TR-954 Operation Procedure for the 2 N/A Barker/Diacon S4000 NM Snubber Test Machine ER-AA-335-002 Liquid Penetrant Examination 3 N/A ER-AA-335-003 Magnetic Particle Examination 3 N/A ER-AA-335-005 Radiographic Examination 2 N/A ER-AA-335-014 VT-1 Visual Examination 2 N/A ER-AA-335-015 VT-2 Visual Examination 5 N/A VT-3 Visual Examination of Component ER-AA-335-016 Supports, Attachments and Interiors of 3 N/A Reactor Vessel ER-AA-335-017 VT-3 Visual Examination of Pump and 3 N/A Valve Internals

I of 5 Section 4 LISTING OF EXAMINATION AND TESTING PERSONNEL This section identifies the contracted and company examination and testing personnel used to perform the inspection and tests during this period. These personnel have been qualified and certified in accordance with the Clinton Power Station ISI Plan and their employer's written practice.

Records and personnel qualification and certifications are located and available in the Document record Center. Basic-PSA Inc. and General Electric Co. records are stored in file 2E.200 or 3A.117.

Name Job MT Lv PT I Lv UTI Lv VT-1 / Lv VT-21 Lv VT-3 / Lv Richard Alger GERIS OD LI II II-L Arthur Angelo RST Level II II-L 11-L Thomas Arbuckle RST Level III III-L IlI-L Michael Armstrong RF Engineer III-L III-L Charles Barrett SMART Data Analyst II -PDI Nathan Boyett RST MODS Level II II-L II-L Robert Bridges RST Level II 11-L II-L James Byrd RST Level II MODS II-L II-L Gary Cameron GERIS OD Operator I-L Stephen Cox BOP Level II II-L 11-L II-L II II II Lewis Deane RST Level II IlL IlL Rodney Drazich Level III IVVI II-L III-L Kenneth Earp RST Level II MODS II-L 11-L Lance Eiler BOP Snubbers (VTr&3) Ii II 11-L II II II MANUAL Level II Scott Erickson (PDI/IGSCC) 11 11- PD_ __1__1 __

Karen Fish FAC Level II I I II Kevin Fish SMART Operator II - PDI

2 of 5 Name Job MT ILv PT I Lv UTI Lv VT-1 I Lv VT-21 Lv VT-3 I Lv CE Frakes GERIS OD Operator II Jeremy Garver RST Level II MODS Il-L 1I-L Robert Scott Getz SMART Equip Technician II John Gilliard GERIS OD Data Analyst III III - PDI Todd Ginder MANUAL Level 11 (PDI/IGSCC) II- PDI 11 II II Jerry Green Level III IWI III-L IlI-L Jonathan Guillote GERIS OD Operator II- PDI David Hancock BOP Level 11 II1 II I I David Hauser RST Level II MODS II-L II-L Thomas Higgins RST Level II 11-L II-L DeWane Hill RST Level II II-L II-L Gary Holloway RST Level il MODS II-L 1I-L Mark Holloway RST Level II -L II-L Troy Huhe MANUAL Level II Troy_____Huhe___ (PDI/IGSCC) II- PDI Vivus Hurlburt RST Level II II Michael Jenniges Man LUI (PDI/IGSCC) II II II - PDI Nabil Kazem RST Level II II-L Il-L Jon Kee RST Level II MODS Il-L lI-L Alan Kelly BOP Level II II- PDI Michael Kemp Level III IWI III III Glenn Kilpela SMART Level II II-L Brian Knott MANUAL Level (PDI/IGSCC) II 1I 11 - PDI II II-_DII Michael Krueger SMART Data Analyst III - PDI Eric Lemmons RST Level II II-L III-L

3 of 5 Name Job MT ILv PT I Lv UTI Lv VT-1 / Lv VT-2 I Lv VT-3 I Lv John Lessard BOP LII II II II- PDI II II II Luis Liendo SMART Operator II-L Juan Luna GERIS OD Level I I-T I-" I-T Chad McDonald SMART Operator II Chris Minor GERIS OD Data Analyst III III III - PDI III III Wesley Money Level III III III III- PDI III III Joseph Montgomery GERIS OD Data Analyst II- PDI Quinton Munn RST Level II I1-1 i-I Steven Neau RST Level II 1I-L II-L David Neau RST Level II 11-L 11-L Jamie Nunez GERIS OD Level I I-T I-T I-T John Phillips GERIS OD LI I-T Carl Pillitteri RST Level II 1I-L II-L Michael Pride BOP Level II II II II-L I-T I-T Jack Reisewitz GERIS OD Data Analyst II - PDI Kim Robideau BOP Snubbers (VTI&3) II II II II II Daniel Schroeder RST Level II -L II-L Timothy Scott BOP LII II I1 II-L I1 II II James Setzer Project Level Ill I III III - PDI Alan Seymore FAC Level II 11-L John Shea BOP Snubbers (VT'&3) 11II II - PD0 I II II Donald Silvas RST Level II II-L II-L Steve Snyder ISI Coordinator II II II - PDI if II II Lee Stone FAC Lead II II II-L II II Clay Suhler Manual ISI II I1 4I- PDI I II II

4 of 5 Name Job MT I Lv PT I Lv UTI Lv VT-1 / Lv VT-2 Lv VT-3 ILv Ryan Tauchen BOP Level II II II II-L II II II Michael Urban RST Level II II-L iI-L Charles Van Hecke Smart II James Villa RST Level II MODS 11-L Ul-L Donald Walter SMART DA III - PDI Bobby Walters BOP Level II 11 11 II-L 11 II 11 Kimberly Wert FAC DC II-L David Wesho FAC Level II II II II-L Matthew Wilson SMART Operator II II II Ryan Winney RST Level II II-L II-L Hugo Winterhalter ISI Steven Woodyard BOP Snubbers (VT1&3) 11 11II II Manual Barreras Snubber Testing II Robert Hambor Snubber Testing II Norm Thomas Snubber Testing II Thomas Kilpatric Snubber Testing II Tom Marshall Snubber Testing II Thomas Cassat Snubber Testing II Dave Anthony Ill Ill Ill Ill Ill Ill Bill Burke II Pat Coyle II Joe Cummings II Dean Robert II Cory Eigenmann II Dave Glenn II

5 -of 5 Name Job MT I Lv PT I Lv UTI Lv. VT-1 / Lv VT-21 Lv VT-3 1 Lv Arlton Johnson II Dan Mahrt II Craig Procarione II Randy Rohrscheib II Chris Slavens II Danny Vanfleet II Charles Clark II II Ill Ill Ill Paul Touvannas II II II II II Mark Sebby II II II II Il Jay Miller Ill Ill Ill Ill IlI Ill Kevin Hall Ill Ill Ill Ill Ill Ill Eric Suddick II II II II II Chris McKean II II Ill II II II Tom Green Ill Ill Ill Ill Ill Ill Dave Szymkiewicz II Tom Parrent II Clarance Windle OCTL (RT - Level II) II II Jon Windle OCTL (RT - Level II) 11 II Steve Fay OCTL (RT - Level Ill)

Mike Sterrick QCTL (RT - Level II)

Daid Wirfs II UT Level I-L or Il-L is a certification limited to thickness measurements and or data collection only.

VT-1 and V'T-3 Level II-L is a certification limited to the In-Vessel Visual Inspection (IWI) only.

SECTION 5 LISTING OF EXAMINATION AND TESTING EQUIPMENT This section provides a listing of all equipment utilized to perform the examinations during this inspection period. The equipment records are available and located in the Document Record Center files under record type 2E.180 or 3A. 117.

Auoe61VTSýteJ s,; Reference Blocks TbtkesC 112264 16 CLT 010CXV 113355 1-B 02-236 133900 2-CLT 03-341 24-CLT 03448 36-0 04-289 05325B 40-CLT-1 04-301 ALT 8723 04-302 K-bgwders CAL-DEPTH-042 04-303 84B011 CAL-DPTH-041 04-304 92F040 CAL-DPT H-057 04-305 98K05K CAL-DPTH-071 04-306 CAL-11W2-014 04-310

sCAL-RHOM-009 04-311 8646 CAL-RHOM-015 04-312 8647 CAL-RHOM-038 04-316 PAR-ACMT-069 CAL-RHOM-047 04-328 CAL-RHOM-058 04-331 PC~eae*.. CAL-RHOM-062 04-332 0OC05K CAL-RHOM-068 04-336 05L17K CAL-RHOM-078 04-337 CAL-RHOM-097 04-362 PT Devidoper CAL-STEP-131 04-364 99D13K PD1 ALT 8725 05-1055 UT 1-0 05-1350 P nerants UT5-0 05-141 01 M07K 05-143 98J1 1K Mtrs~nicSwpes' Ul 05-1544 031526804 05-174 he ter s, ,031533705 22BC-03003 245470 031534305 3251 245922 031536906 6869 246451 031574011 98-158 246530 136-7641 98-159 246544 688H 98-163 246615 E0527 246706 Transducers E0612 246712 00-342 OOXM09 246761 00-351 OOXN6W/OOXN7J 246763 00-369 OOKD5C 246776 00-396 0OMXB4 004243 OOXSCB 0OHM35 OOX9TW OOHROP OOXBCP

_OOXJYK OOXCD1

Transducers Continued Transducers Continued Transducers Continued OOXL6T OOXL6V 010HBH 04-28 04-29 05-1486 05-1487 05-162 05-163 05-164 05-165 05-180 05-981 05-982 1003070 95-189 95-190 95-225 95-226 95-228

SECTION 6 REPAIR AND REPLACEMENT

SUMMARY

NIS-2 OWNER'S DATA REPORTS This section provides a listing of the 57 ASME Section XI repairs or replacements performed between February 26, 2004 and February 26, 2006.

All repairs and replacements are of a routine nature. CPS did not identify any flaws during performance of any IS examination that required a repair or replacement.

CPS utilized Code Case N-41 6-2 during this reporting period. This Code Case allows the elimination of the hydrostatic testing requirement following welded replacement, providing some additional NDE is performed and the 1992 Edition of Section I1 used for examination.

CPS installed a number of modifications including the replacement of service water piping and fittings, replacement of various cooling coils, installation of Core Shroud Tie Rods, repair of service water flange fittings, and changeout of Dresser Relief Valves with Crosby replacements.

Following the listing of repairs and replacements are copies of NIS-2 Owner's Data Reports for all of the Class 1, 2, CS, and MC repairs and replacements which CPS performed during this reporting period. Data reports for any components or parts used in support of those NIS-2's have not been included but are filed with Section XI repair and replacement records.

The records for all Section XI repairs and replacements are available and located in the Clinton Records Vault filed in the respective N-5 system under record 3A.1 17 entitled ASME System Data Reports.

SECTION 6 REPAIR AND REPLACEMENT

SUMMARY

NIS-2 Number Class Description RF-10-001 2 Replaced relief valve IC41 F029A and 2" elbow on discharge line RF- 10-002 3 Replaced Valve IDOOI C and connecting piping.

RF- 10-003 3 Rebuild Reactor Water Cleanup pump A- Replaced Gland Seal RF- 10-004 3 Replace I SX291 and attached piping RF- 10-005 3 Replaced section of SX piping, elbow, flange, and flow orifice RF- 10-006 3 Replace piping spool between orifices I SX I8MA and ISX I9MA.

RF- 10-007 3 Replaced 1 1/2" weld on SX elbow. Other work associated with this WO exempt per size.

RF- 10-008 3 Replace Valve Ball IG36F030A RF- 10-009 3 Replaced IG36-F029A and connecting piping RF-10-010 3 Reinstalled hanger IRTI 5002G to original design, using new angle iron RF-10-011 3 Replaced Valve 1G33-F013C.

RF-10-012 3 Reinstall hanger IRTI 5001 G to original design replacing angle iron.

RF-10-013 3 Replaced IG36-F029B and attached piping RF-10-014 3 Replaced valve ball in IG36F030B RF-10-015 I Replaced pump seal assembly for IB33C001 B RF-I0-016 3 Performed weld repair of inlet and outlet flanges of coils OVG06AAAB and connecting SX piping flanges RF-10-017 Flange repair of IVY03AA.AB and connecting SX piping RF-10-018 Performed weld repair of inlet and outlet flanges of cooling coils IVY02AA/1 VY02AB. Weld repair of flanges of connecting inlet and outlet piping to cooling coils.

SECTION 6 REPAIR AND REPLACEMENT

SUMMARY

NJS-2 Number Class Description RF-10-019 3 Weld repair of Coil IVHOIAA-DI inlet flange and SX piping connecting flanges.

RF- 10-020 3 Weld Repair of divider plate for heat exchanger IDGI IAA.

RF-10-021 3 Weld Buildup of end bell and divider plate for heat exchanger IDG12AA RF- 10-022 3 Replaced section ofpipingl SX20AB upstream of valve ISXOI 9B RF- 10-023 3 Weld build-up of vessel I VX06CB and SX piping flange(s)

RF- 10-024 3 Weld repair of SX Inlet and Outlet piping flanges connecting IVX06CC.

RF- 10-025 3 Weld build-up of eroded area in valve body of ISXOI 6B and replacement of piping on line ISX I2AB-2.5 RF-I 0-026 3 Performed weld buildup repair of Room Cooler OVG07SB (coils OVG08AA and oVG08AB) and piping flanges RF- 10-027 3 Replaced flow orifice] G33D001 and bolting.

RF- 10-028 I Replaced Pump Seal for IB33C00IB RF- 10-029 3 Weld repair of IVY04S chiller and connecting piping flanges.

RF- 10-030 3 Performed weld repair of Chiller and piping flanges of Coils located in IVH07SB coil cabinet.

RF-I 0-031 3 Replaced 1 1/2" piping on DO relief valve discharge. Valve replacement exempt per size RF-10-032 3 Replaced orifice I SXI 8MB per EC 9676 RF- 10-033 Weld repair of Heat Exchanger IDGI IAB endbell.

RF- 10-034 Replaced piping on lines ISX29AB-3 and I SX27CB-6 with CrMo piping. Replaced I SX29CB-6 with Carbon Sleel piping.

SECTION 6 REPAIR AND REPLACEMENT

SUMMARY

NIS-2 Number Class Description RF-10-035 3 Base metal repair of outlet nozzle flange for heat exchanger IVX06CC.

RF-1 0-036 3 Weld build up of wasted area of end bell for heat exchanger lDG12AB RF-10-037 3 Replaced Valve] IAI 28B with Equivalent valve RF-I10-038 1 Replaced 21 Control Rod Drive Mechanisms and Bolting RF- 10-039 3 Weld buildup of guide ribs and replaced disc in valve 1E 12-FOI4B RF- 10-040 3 Weld buildup of guide ribs and replaceed disc in valve I EI 2-F068B RF-10-04] 2 Install piping per EC 356820.

RF- 10-042 3 Replaced coils I VY05AA and I VY05AB, weld repair SX piping and cooler flanges, replaced pipe and flange ISXF6A-2" RF-I 0-043 3 Replace orifice, flanges, piping section RF- 10-044 3 Replaced SX piping and elbow RF- 10-045 1 Rebuilt Valve 1E12F042C replacing disc and retaining ring RF- ]0-046 1 Modify piping as per EC 347204 RF-I 0-047 3 Replaced coils IVY06AA and IVY06AB and weld repair SX piping flanges identified in W/O 774378.

RF-I0-048 C/S Installed Four (4) Core Shroud Tie Rods.

RF- 10-049 1,3 Replaced Main Steam Relief Valve 11B21F041B with spare.

RF-I0-050 1,3 Replaced Main Steam Relief Valve 11B21F041 A with spare.

RF-I10-051 1,3 Replaced Main Steam Relief Valve I B21 F04I G with spare.

RF-10-052 1.3 Replaced Main Steam Relief Valve I B2IF04IL with spare.

SECTION 6 REPAIR AND REPLACEMENT

SUMMARY

NIS-2 Number Class Description RF- 10-053 1,3 Replaced Main Steam Relief Valve IB21F047D with spare.

RF- 10-054 1,3 Replaced Main Steam Relief Valve 1B21F047F with spare.

RF-1 0-055 1,3 Replaced Main Steam Relief Valve I B21 F051 C with spare.

RF-10-056 1,3 Replaced Main Steam Relief Valve 11B21 F05 ID with spare.

RF-10-057 2 Weld repair on divider plate and bolting replacement on RHR Heat Exchanger ] El 2B0011B.

ER-AA-330-009 Revision 1 Page 28 of 35 ATTACHMENT 4 FORM NIS-2 OWNER'S REPORT-FOR REPAIRS OR REPLACEMENTS I As Required by the Provisions of the ASME Code Section XI

1. Owner: AmerGen Eneray Co., LLC Data Report No. RF-10-001 Name Date 6/2/2004 965 Chesterbrook Blvd., Wayne, PA 19087 Address Sheet 1 of 1

2. Plant: Clinton Power Station Unit: 1 Name RR3. Box 228. Clinton. IL 61727 448086 Address Repair Organization P.O. No., Job No.

3. Work Performed by: Clinton Power Station Type Code Symbol Stamp: None Name Authorization No: Not Applicable RR3, Box,228, Clinton, IL 61727 Expiration Date: Not Applicable Address

4. Identification of System: NSC01 Code Class 2 5(a) Applicable Construction Code Pipe: 1974 Edition 574 Addenda. N/A Cxode Case Component: 77 Edition S77 Addenda N/A Code Case (b) Applicable Edition of Section XI Utilized for Repairs or Replacements 1989 Edition, No Addenda (c)Section XI code Cases used N-416-2

6. Identification of Components Repaired or Replaced and Replacement Components Name of Name of Manufacturer National Other Year Repaired ASME zomponent Manufacturer Serial Number Board Identification Built Replaced or Code No Replacement Stamped Valve DRESSER TE-34455 N/A 1C41F029A 83 Replacement Yes Piping ILLINOIS POWER NSC01 - NIA 1SC11BA-2 86 Replacement Yes 7.

Description:

Replaced relief valve and 2" elbow on discharge.

8. Tests Conducted: Hydrostatic El Pneumatic El Nominal. Operating Pressure Other El Exempt El Pressure: N/A psi Test Temp: N/A 0 F

9. Remarks (Applicable Manufacturer's Data Reports to be attached):

Receipt Information:

Valve - CAT ID# 1396863, UTC 2692848, Serial # TE34455 Elbow - 2" - CAT ID# 1145933, UTC 2115600

ER-AA-330-009 Revision 1 Page 29 of 35 ATTACHMENT 4 FORM'NIS-2 OWNER'S REPORT FOR REPAIRS OR REPLACEMENTS As Required by the Provisions of the ASME Code Section XI CERTIFICATE OF COMPLIANCE We certify that the statements made in the report are correct and this . .Lo.'.Jti conform to the rules of the ASME Code, Section XI. repr or replacement Type Code Symbol Stamp Certificate of Authorization Signed - /P-- e ::- -- , -Date 6 X3 . 1_*_t 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 of Province of Illinois and employed by Hartford Steam Boiler._

of C" have inspected the components described in this Owner's Report during the period 12/17/2003 to 6/4/2004 , and state that to the best of my knowledge and belief, the Owner has performed examinations and taken corrective measures described in this Owner's Report in accordance with the requirements of the ASME Code,Section XI.

By signing this certififate neither the Inspector nor his employer makes any warranty, expressed or implied, concernite examinations and corrective measures described in this Owner's Report.

Furth* or n ithe the Inspector nor his employer shall be liable in any manner for any personal injury or pror,; a loss of any kind arising from or conc/i~Jlttri§ inspection.

Commissions,_. &/c,/

Inspector's Signature .National Board, State, Province, and Endorsements Date 21714+/-

ER-AA-330-009 Revision 1 ATTACHMENT 4 Page 28 of 35 FORM NIS-2 OWNER'S REPORT- FOR REPAIRS OR REPLACEMENTS As Required by the Provisions of the ASME Code Section XI

1. Owner: AmerGen Energy Co., LLC Data Report No. RF-10-015 Name Date: 8/11/2004 Q6* Chesterhrnnk Blvd.. Wavne. PA 19087 Address Sheet 1 of 1

2. Plant: Clinton Power Station Unit: 1 Name RR3, Box 228. Clinton, IL 61727 477837-13 Address Repair Organization P.O. No., Job No.

3. Work Performed by: Clinton Power Station Type Code Symbol Stamp: None Name Authorization No: Not Applicable RR3, Box 228, Clinton, IL 61727 Expiration Date: Not Applicable Address Address

4. Identification of System: NGE01 Code Class 1 5(a) Applicable Construction Code Pipe: N/A Edition N/A Addenda NONE Code Case Component: 1971 Edition W73 Addenda NONE Code Case (b) Applicable Edition of Section XI Utilized for Repairs or Replacements 1989 No Addenda (c)Section XI code Cases used NONE

6. Identificatin' of Components Repaired or Replaced and Replacement Components Name of ,-, Name of Manufacturer National Other Year Repaired ASME Component Manufacturer Serial Number Board No Identification Built Replaced or Code I " Replacement Stamped Pump BINGHAMAILLAMETrE 14217102 NB-395 1B33C001B 1977 Replacement Yes 7.

Description:

Replaced pump seal assembly

8. Tests Conducted: Hydrostatic E Pneumatic E) Nominal Operating Pressure []

Other Ml Exempt -- Pressure: psi Test Temp:

ER-AA-330-009 Revision 1 Page 29 of 35 ATTACHMENT 4 FORM NIS-2 OWNER'S REPORT FOR REPAIRS OR REPLACEMENTS As Required by the Provisions of the ASME Code Section XI

9. Remarks (Applicable Manufacturer's Data Reports to be attached):

Receipt Information:

Pump Seal Assembly: Cat ID# 1184290, UTC # 2673230' upper gland SN 01711023, NB # 1475 seal holder Q01-1299, NB # 1492 CERTIFICATE OF COMPLIANCE We certify that the statements made in the report are correct and this,/.-.- conform to the rules of the ASME Code,Section XI . repair or replacement Type Code Symbol Stamp Certificate f , horization Nor.

Signed - Date 20IZIt_

e oW1 ignee, Title CERTIFICATE OF INSERVICE INSPECTION 1, the unoersignea, nolding a vaita commission Issued oy the National moaro or Boiler and Pressure Vessel Inspectors and the State of Province of Illinois and employed by Hartford Steam Boiler_

of CT have inspected the components described in this Owner's Report during the period to 8/11/2004 , and state that to the best of my knowledge and belief, the Owner has performed examinations and taken corrective measures described in this Owner's Report in accordance with the requirements of the ASME Code,Section XI.

By signing this certificate/ieither the Inspector nor his employer makes any warranty, expressed or implied, cer, in xaminations and corrective measures described in this Owner's Report.

Furthe ore it er th Inspector nor his employer shall be liable in any manner for any personal injury or property age or loss of any kind arising from or connected with this inspection.

Commissions 1>-31 . _

Inspector's Sigfiature National Board, State, Province, and Endorsements Date *) "* *** ',20 ¢

ER-AA-330-009 Revision 1 ATTACHMENT 4 Page 28 of 35 FORM NIS-2 OWNER'S REPORT FOR REPAIRS OR REPLACEMENTS As Required by the Provisions of the ASME Code Section XI

1. Owner: AmerGen Energy Co., LLC Data Report No. RF-10-028 Name Date: -9/30/2004- o*c1/,

965 Chesterbrook Blvd., Wayne, PA 19087 Address rChpot I nf 1 VE

2. Plant: Clinton Power Station Unit: 1 Name RR3. Box 228, Clinton, IL 61727 Address Repair Organizaton P.O. No., Job No.

.3. Work Performed by: Clinton Power Station Type Code Symbol Stamp: None Name Authorization No: Not Applicable RR3, Box 228, Clinton, IL 61727 Expiration Date: Not Applicable Address

4. Identification of System: NGE01 Code Class, 1 5(a) Applicable Construction Code Pipe: 1974 Edition S74 Addenda None Code Case Component: 1971 Edition W73 Addenda None Code Case (b) Applicable Edition of Section )I Utilized for Repairs or Replacements 1989 No Addenda (c)Section X) code Cases used NONE

6. Identification of Components Repaired or Replaced and Replacement Components Name of Name of Manufacturer National Other Year Repaired ASME Component Manufacturer Serial Number Board Identification Built Replaced or Code No Replacement Stamped Pump BINGHAMtWILLAMETTE 14217102 NB-395 1B33CO 18 1977 Replacement Yes 7.

Description:

Replaced Pump Seal

8. Tests Conducted: Hydrostatic 0 Pneumatic C] Nominal Operating Pressure 96 Other El Exempt 0 Pressure: psi Test Temp:

ER-AA-330-009 Revision 1 Page 29 of 35 ATTACHMENT 4 FORM NIS-2 OWNER'S REPORT FOR REPAIRS OR REPLACEMENTS As Required by the Provisions of the ASME Code Section XI

9. Remarks (Applicable Manufacturer's Data Reports to be attached):

Seal Reciept Information:

Upper Gland- NB 1473; Serial # 1711023 Seal Holder - NB 1274; Serial # 1436139-2 CERTIFICATE OF COMPLIANCE We certify that the statements made in the report are correct and this r( in C(& P4 conform to the rules of the ASME Code, Section XI. repir or replacement Type Code Symbol Stamp / M Certificate of uth *zaton o A dýet orq wer's 4esir

, Mote ýJ 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 of Province of Illinois and employed by Hartford Steam Boiler_

of CT have inspected the components described in this Owner's Report during the period 9/3/2004 to 4/7/2005 , and state that to the best of my knowledge and belief, the Owner has performed examinations and taken corrective measures described in this Owner's Report in accordance with the requirements of the ASME Code,Section XI.

By signing this certif.cattneither the Inspector nor his employer makes any warranty, expressed or implied concemrg th .xaminations and corrective measures described In this Owner's Report.

Furthrn , her t Inspector nor his employer shall be liable in any manner for any personal injury p* a ge org loss of any kind arising from or connected with this inspection.

.... Commissions, .1L -S VI Inspector's Signature C National Board, State, Province, and Endorsements Date 1 \ , 20".

ER-AA-330-009 Revision 1 ATTACHMENT 4 Page 28 of 35 FORM NIS-2 OWNER'S REPORT FOR REPAIRS OR REPLACEMENTS As Required by the Provisions of the ASME Code Section XI

1. Owner: AmerGen Enerav Co.. LLC Data Report No. RF-10-038 Name Date: 3/2/2006 965 Chesterbrook Blvd., Wayne, PA 19087 Address Sheet 1 of 1

2. Plant: Clinton Power Station Unit: 1 Name RR3, Box 228, Clinton, IL 61727 796479 tasks 1-21 Address Repair Organization P.O. No., Job No.

3. Work Performed by: Clinton Power Station Type Code Symbol Stamp: None Name Authorization No: Not Applicable RR3, Box 228, Clinton, IL 61727 Expiration Date: Not Applicable -

Address

4. Identification of System: NGE01 Code Class 1 5(a) Applicable Construction Code Pipe: N/A Edition N/A Addenda N/A Code Case Component: 1971 Edition S73 Addenda © Code Case (b) Applicable Edition of Section XI Utilized for Repairs or Replacements 1989 (c) Section )aI code Cases used N-416-2 (c) 1141,1332,1361-2,1557-1,N207,

6. Identification of Components Repaired or Replaced and Replacement Components Name of Name ot Manufacturer National Other Year Repaired Component Manufacturer Serial Number Board No Identification Built Replaced or Code Replacement Stamped T CB&I Co. B5225. 4442 1B13D003 1978 Replacement Yes 7.

Description:

Replaced 21 Control Rod Drive Mechanisms and Bolting as shown on continuation sheet

,7.

Description:

Replaced 21 Control Rod Drive Mechanisms and Bolting as shown on continuation sheet

.... page 3.

8. Tests Conducted: Hydrostatic ED Pneumatic 0 Nominal Operating Pressure []

Other LI Exempt DI Pressure: psi Test Temp:

ER-AA-330-009 Revision 1 Page 29 of 35 U ATTACHMENT4 FORM NIS-2 OWNER'S REPORT FOR REPAIRS OR REPLACEMENTS As Required by the Provisions of the ASME Code Section XI

9. Remarks (Applicable Manufacturer's Data Reports to be attached):

See Continuation Sheet Page 3 for material procurement data.

CERTIFICATE OF COMPLIANCE We certify that the statements made in the report are correct and this Rf-lric vt - conform to the rmlloc nf thin ACMI: (rn *-ti-inn VI repdir or replacement Type Code Symbol Stamp V//A Certificate of Authorization No. AI/-

Signed 4 fDe:/A- PPr .D Date e0 *3/2 116 2- .O20-ýaL I wner orrowners Designee,L~ilue

ý'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 of Province of ' Illinois and employed by Hartford Steam Boiler_

of CT have. inspected the components described in this Owner's Report during the period 8/23/2005 to 3/2/2006 , and state that to the best of my knowledge and belief, the Owner has performed examinations and taken corrective measures described in this Owner's Report in accordance with the requirements of the ASME Code,Section XI.

By signing this certificate neither the Inspector nor his employer makes any warranty, expressed or implied, concerning the examinations and corrective measures described in this Owner's Report.

Furthermore, neither the Inspector nor his employer shall be liable in any manner for any personal injury or property damage or a loss of any kind arising from or connected with this inspection.

___________.. __________ Commissions National Board, State, Province, and Endorsements Date 200 C

iw Date

NIS-2 RF-10-38 (cont.) page 3 of 3 WO 796479 CRDM Replacement Task, Location CRDM Replacement Serial Number; Associated Bolting Cat. ID, UTC, and quantity installed Task 1 04-41 8508; Bolting Cat. ID 1147766, UTC 2625250; 2 ea.

Task 2 08-13 8942; Bolting Cat. ID 1147766, UTC 2625250; 2 ea.

Task 3 08-37 A2603; Bolting Cat. ID 1147766, UTC 2625250; 2 ea.

Task 4 12-09 A4578; Bolting Cat. ID 1147766, UTC 2625250; 2 ea.

Task 5 16-21 A5511; Bolting Cat. ID 1147766, UTC 2625250; 2 ea.

Task 6 16-25 A2432; Bolting Cat. ID 1147766, UTC 2625250; 2 ea.

Task 7 16-49 A2456; Bolting Cat. ID 1147766, UTC 2625250; 2 ea.

Task 8 20-53 A3248; Bolting Cat. ID 1147766, UTC 2625250; 2 ea.

Task 9 24-09 8557; Bolting Cat. ID 1147766, UTC 2625250; 2 ea.

Task 10 28-53 A2484; Bolting Cat. ID 1147766, UTC 2625250; 2 ea.

Task 11 32-33 6763; Bolting Cat. ID 1147766, UTC 2625250; 2 ea.

Task 12 32-45 A2451; Bolting Cat. ID 1147766, UTC 2110077; 2 ea.

Task 13 36-05 A3407; Bolting Cat. ID 1147766, UTC 2110077; 2 ea.

Task 14 36-41 8445; Bolting Cat. ID 1147766, UTC 2110077; 2 ea.

Task 15 40-17 A2698; Bolting Cat. ID 1147766, UTC 2110077; 2 ea.

Task 16 40-29 A3290; Bolting Cat. ID 1147766, UTC 2110077; 2 ea.

Task 17 40-53 8987; Bolting Cat. ID 1147766, UTC 2110077; 2 ea.

Task 18 44-13 A3383; Bolting - none Task 19 44-17 8638; Bolting Cat. ID 1147766, UTC 2110077; 2 ea.

Task 20 44-25 A3234; Bolting Cat. ID 1147766, UTC 2110077; 2 ea.

Task 21 52-41 A2734; Bolting Cat. ID 1147766, UTC 2110077; 2 ea.; 2625250 1 ea.

ER-AA-330-009 Revision 1 ATTACHMENT 4 Page 28 of 35 FORM NIS-2 OWNER'S REPORT FOR REPAIRS OR REPLACEMENTS As Required by the Provisions of the ASME Code Section XI

1. Owner: AmerGen Energy Co., LLC Data Report No. RF-10-041 Name Date: ' 3/22/2006 965 Chesterbrook Blvd.. Wayne, PA 19087 Address Sheet 1 of 1

2. Plant: Clinton Power Station Unit: 1

. Name RR3. Box 228. Clinton. IL 61727 849113 Address Repair Organization P.O. No., Job No.

3. Work Performed by: Clinton Power Station Type Code Symbol Stamp: None Name Authorization No: Not Applicable RR3, Box 228, Clinton, IL 61727

. Address Expiration Date: Not Applicable

4. Identification of System: NRH08 Code Class 2 5(a) Applicable Construction Code Pipe: 1974 Edition S74 Addenda None Code Case Component: N/A Edition N/A Addenda NIA Code Case (b) Applicable Edition of Section XI Utilized for Repairs or Replacements 1989 No Addenda (c)Section X) code Cases used N-416-2

6. Identification of Components Repaired or Replaced and Replacement Components Name of , Name of Manufacturer National Other Year Repaired ASME Component Manufacturer Serial Number Board No Identification Built Replaced or Code Replacement Stamped PP Illinois Power PIPING SYSTEM NA NRHO8 1985 Replacement Yes 7.

Description:

Install piping per EC 356820.

8. Tests Conducted: Hydrostatic LI Pneumatic [] Nominal Operating Pressure Other LI Exempt 0I Pressure: psi Test Temp: OF

ER-AA-330-009 Revision 1 Page 29 of 35 ATTACHMENT 4 FORM NIS-2 OWNER'S REPORT FOR REPAIRS OR REPLACEMENTS As Required by the Provisions of the ASME Code Section XI

9. Remarks (Applicable Manufacturer's Data Reports to be attached):

Parts Received as follows:

Tee 1/2 X 1-1/2 X 3/4 - Cat ID 1152903, UTC 2114768 CERTIFICATE OF COMPLIANCE We certify that the statements made in the report are correct and this R P.e,* r-&.,oconform to the rules of the ASME Code, Section )a. repair or replacement Type Code Symbol Stamp z,ý-/

Certificate of Au h.qrzati No., .4,1*4 Signed fIt W 6r 6w-n-'sbinee, Tide- /6-..r.J'11 A"'

I-qjwnr Date 0 -? - , 20r_*__

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 of Province of Illinois and employed by Hartford Steam Boiler_

of UT - have inspected the components described in this Owner's Report during the period 2/1/2006 to 3/22/2006 , and state that to the best of my knowledge and belief, the Owner has performed examinations and taken corrective measures described in this Owner's Report in accordance with the requirements of the ASME Code,Section XI.

By signing this certificate neither the Inspector nor his employer makes any warranty, expressed or implied, concerning the examinations and corrective measures described in this Owner's Report.

Furthermore, neither the Inspector nor his employer shall be liable in any manner for any personal injury or prope t.dama/9( or a loss of any kind arising from or connected with this inspection.

](Qs rSfj nature Commissions National Board, State, Province, and Endorsements Date 011RCŽ ,2O fl \.

ER-AA-330-009 Revision 1 ATTACHMENT 4 Page 28 of 35 FORM NIS-2 OWNER'S REPORT FOR REPAIRS OR REPLACEMENTS As Required by the Provisions of the ASME Code Section XI

1. Owner: AmerGen Energy Co., LLC Data Report No. RF-10-045 Name Date: 3/24/2006 965 Chesterbrook Blvd., Wayne. PA 19087 Address Sheet- I of 1

2. Plant: Clinton Power Station Unit: 1 Name RR3. Box 228. Clinton. IL 61727 676918 Address Repair Organization P.O. No., Job No.

3. Work Performed by: Clinton Power Station Type Code Symbol Stamp: None

-Name Authorization No: Not Applicable RR3, Box 228, Clinton, IL 61727 Expiration Date: Not Applicable Address

4. Identification of System: NRH01 I Code Class 1 5(a) Applicable Construction Code Pipe: N/A Edition N/A Addenda N/A Code Case Component: 1974 Edition S75 Addenda see remark Code Case (b) Applicable Edition of Section XI Utilized for Repairs or Replacements, 1989 No Addenda (c)Section XI code Cases used N-416-2

6. Identification of Components Repaired or Replaced and Replacement Components Name of Name o1 Manufacturer National Other I Year ý Repaired ASME Component Manufacturer Serial Number Board Nol Identification f Built Replaced or Code I" Replacement Stamped V i Anchor Darling E-6214-142-1 N/A 1E12F042C 78 Replacement Yes 7.

Description:

Rebuilt Valve replacing disc.

8. Tests Conducted: Hydrostatic El Pneumatic E' Nominal Operating Pressure Rj Other i Exempt D Pressure: psi Test Temp: oF

ER-AA-330-009 Revision 1 Page 29 of 35 ATTACHMENT 4 FORM NIS-2 OWNER'S REPORT FOR REPAIRS OR REPLACEMENTS As Required by the Provisions of the ASME Code Section XI

9. Remarks (Applicable Manufacturer's Data Reports to be attached):

Parts Received as follows:

Disc - Cat ID 1144982/ UTC 2107357 CERTIFICATE OF COMPLIANCE We certify that the statements made in the report are correct and this , conform to the rules of the ASME.Code,Section X). repair or replacement Type Code Symbol Stamp MIJA Certificate of Authorization No. w JA Signed tA~sii,;* Ena* *y Date 6- -LQ- ,20AL-Ofser or Ovme* Ddsignee, Title CERTIFICATE OF INSERVICE INSPECTION 1, the undersigned, holding a valid commission issued by the National Board of Boiler and Pressure Vessel Inspectors and the State of Province of Illinois of CT and employed by Hartford Steam Boiler have inspected the components described in this Owner's Report during the period K

O4 ;AS... to 5/25/2006 , and state that to the best of my knowledge and belief, the O1werlas performed examinations and taken corrective measures described in this Owner's Report in accordance with the requirements of the ASME Code,Section XI.

By signing this certificate neither the Inspector nor his employer makes any warranty, expressed or implied, concerning the examinations and corrective measures described in this Owner's Report.

Furthermore, neither the Inspector nor his employer shall be liable in any manner for any personal injury or propeý-d e a ssof any kind arising from or connected with this inspection.

____' _ ___._ __Commissions ..- t-W Inspectors Signature National Board, State, Province, and Endorsements Date _____)__ 20_

ER-AA-330-009 Revision 1 ATTACHMENT 4 Page 28 of 35 FORM NIS-2 OWNER'S REPORT FOR REPAIRS OR REPLACEMENTS As Required by the Provisions of the ASME Code Section XX

1. Owner: AmerGen Eneroy Co., LLC Data Report No. RF-10-046 Name Date: 3/24/2006 965 Chesterbrook Blvd., Wayne, PA 19087 Address Sheet 1 of 1

2. Plant: Clinton Power Station Unit: 1 Name RR3, Box 228, Clinton, IL 61727 803566 Address Repair Organization P.O. No., Job No.

3. Work Performed by: Clinton Power Station Type Code Symbol Stamp: None Name Authorization No: Not Applicable RR3, Box 228, Clinton, IL 61727 Expiration Date: Not Applicable Address

4. Identification of System: NRI03 Code Class 1 5(a) Applicable Construction Code Pipe: 1974 Edition S74 Addenda N/A Code Case Component: N/A Edition N/A Addenda N/A Code Case (b) Applicable Edition of Section XI Utilized for Repairs or Replacements 1989 No Addenda (c)Section XI code Cases used N-416-2

6. Identification of Components Repaired or Replaced and Replacement Components Name of Name of Manufacturer National Other Year Repaired ASME Component Manufacturer 'Serial Number Board No Identification Built Replaced or Code Replacement Stamped PP ILLINOIS POWER PIPING SYSTEM NA NRI03 1986 Replacement Yes 7.

Description:

Modify piping per EC 347204

8. Tests Conducted: Hydrostatic El Pneumatic El Nominal Operating Pressure Other ED Exempt 0l Pressure: psi Test Temp: oF

ER-AA-330-009 Revision 1 Page 29 of 35 ATTACHMENT 4 FORM NIS-2 OWNER'S REPORT FOR REPAIRS OR REPLACEMENTS As Required by the Provisions of the ASME Code Section XI

9. Remarks (Applicable Manufacturer's Data Reports to be attached):

Material used:

45 degree elbow (2 each) - Cat ID 1407855, UTC 2727962 CERTIFICATE OF COMPLIANCE We certify that the statements made in the report are correct and this kt L ALE°s conform to the rules of the ASME Code,Section X) repir or replacement Type Code Symbol Stamp LA/' .

Certificate of Authorization No. 4, A Signed _2 Z2 Own~er r"or*r's Designee, Tite 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 of Province of Illinois and employed by Hartford Steam Boiler_

of CT have inspected the components described in this Owner's Report during the period 10/12/2005 to .3/24/2006 , and state that to the best of my knowledge and belief, the Owner has performed examinations and taken corrective measures described in this Owner's Report in accordance with the requirements of the ASME Code,Section X).

By signing this certificate neither the Inspector nor his employer makes any warranty, expressed or implied, concerning the examinations and corrective measures described in this Owner's Report.

Furthermore, neither the Inspector nor his employer shall be liable in any manner for any personal injury or property dama e or a loss of any kind arising from or connected with this inspection.

or'Signature Commissions National Board, State, Province, and Endorsements VIJ L*,w

ER-AA-330-009 Revision I ATTACHMENT 4 Page 28 of 35 FORM NIS-2 OWNER'S REPORT FOR REPAIRS OR REPLACEMENTS As Required by the Provisions of the ASME Code Section XI

1. Owner: AmerGen Energy Co., LLC Data Report No. RF-10-048 Name Date: 5/11/2006 965 Chesterbrook Blvd.. Wavne. PA 19087 Address Sheet I of 1

2. Plant: Clinton Power Station Unit: 1 Name RR3. Box 228. Clinton. IL 61727 786474-01. 18. 19. & 20 Address Repair Organization P.O. No., Job No.

3. Work Performed by: Clinton Power Station Type Code Symbol Stamp: None

. Name Authorization No: Not Applicable RR3, Box 228, Clinton, IL 61727 Expiration Date: Not Applicable Address

4. Identification of System: NGE0I Code Class C/S 5(a) Applicable Construction Code Pipe: Edition Addenda Code Case Component: 1974 Edition -S76* Addenda 1775 Code Case (b) Applicable Edition of Section XI Utilized for Repairs or Replacements 1989 (c)Section XI code Cases used -

6. Identification of Components Repaired or Replaced and Replacement Components Name of Name of Manufacturer National Other Year Repaired ASME Component Manufacturer Serial Number 'Board No Identification Built Replaced or Code Replacement Stamped Shroud Sun Shipbuilding 50977-1 1386 1B13D070 1979 Repaired Yes (SHROUD) 7.

Description:

Installed Four (4) Core Shroud Tie Rods in accordance with EC 347073 Rev. 2.

8. Tests Conducted: Hydrostatic -. Pneumatic - Nominal Operating Pressure

- Other L Exempt Y Pressure: psi Test Temp:

ER-AA-330-009 Revision 1 *%m")

Page 29 of 35 ATTACHMENT4 FORM NIS-2 OWNER'S REPORT FOR REPAIRS OR REPLACEMENTS As Required by the Provisions of the ASME Code Section X1

9. Remarks (Applicable Manufacturer's Data Reports to be attached):

Cat ID Description UTC -

1404721 Tie Rods Assy 2733712, 2733714, 2733715,L & 2733716 1404722 Upper Support Assy 2733717 & 2733718 1404723 Upper Support Assy 2733719 & 2733720 1404724 Lower Stablizer & Wedge Assy 2733721, 2733722, 2733723, & 2733724 1404725 Upper Stablizer Assy 2733727, 2733728, 2733729, & 2733730 1404726 Tie Rod Nut 2733731, 2733732,,2733733, & 2733734 1404727 Limit Stop Spacer 2733739, 2733740, 2733741, & 2733742 1404728 Locking Pin 2733747, 2733761 1404729 Locking Pin 2733748, 2733764, 2733939, 2733940, & 2733941 1407228 Locking Clip 2733750 (2 Each) 1407229 Locking Clip 2733751 (2 Each) 1407285 Retainer 2733755 (2 Each) 1407286 Retainer 2733757 (2 Each)

The component Addenda was changed from S74 to S76 as part of EPU and identified in GE design specification 26A6214.

CERTIFICATE OF COMPLIANCE We certify that the statements made in the report are correct and this Rep ;Y*--Q conform to the rules of the ASME Code, Section X]. repair or replacement Type Code Symbol Stamp t4 I A Certificate of Authorization No. N, I A Signed 1A ;Yr, eka ý e v-,*v" Date t-- 2204 .2Q_

Owtr~r Ownerregnee, Title N*

CERTIFICATE OF INSERVICE INSPECTION 1, the undersigned, holding a valid commission issued by the National Board of Boiler and Pressure Vessel Inspectors and the State of Province of Illinois and employed by Hartford Steam Boiler of _CT have inspected the components described in this Owner's Report during the period J:ltJ5 to 5/25/2006 , and state that to the best of my knowledge and belief, the Ownevr has performed examinations and taken corrective measures describmled in this Owner's Report in accordance with the requirements of the ASME Code, Section X1.

By signing this certificate neither the Inspector nor his employer makes any warranty, expressed or implied, concerning the aminations and corrective measures described in this Owner's Report.

Further r6i neither tfe ]* pector nor his employer shall be liable in any manner for any personal injury~"O h or o

, a ge or a o I of any kind arising from or connected with this inspection.

"(li / *V/

Commissions . U +

InslpectIs Sinnature National Boand, StalE, Province, and Endorsement Date QL*/ ,'-*7 ,20,J

ER-AA-330-009 Revision 1 ATTACHMENT 4 Page 28 of 35 FORM NIS-2 OWNER'S REPORT FOR REPAIRS OR REPLACEMENTS As Required by the Provisions of the ASME Code Section XI

1. Owner: AmerGen Energy Co., LLC Data Report No. RF-10-049 Name Date: 5/16/2006 96S Chesterbrook Blvd.. Wavne. PA 19087 Address Sheet 1 of 1

2. Plant: Clinton Power Station Unit: 1 Name RR3, Box 228, Clinton, IL 61727 706185-01 Address Repair Organization P.O. No., Job No.

3. Work Performed by: Clinton Power Station Type Code Symbol Stamp: None Name Authorization No: Not Applicable RR3j Box 228, Clinton, IL 61727 Expiration Date: Not Applicable Address

4. Identification of System: NGE02 Code Class 1,3 5(a) Applicable Construction Code Pipe: 1974 Edition S75 Addenda 1977, W77 Code Case Component: 1974 Edition S76 Addenda NONE Code Case (b) Applicable Edition of Section XI Utilized for Repairs or Replacements 1989 Edition, No Addenda (c) Section. XI code Cases used NONE,

6. Identification of Components Repaired or Replaced and Replacement Components Name of : Name of Manufacturer National Other Year Repaired ASME Component Manufacturer Serial Number Board No Identification Built Replaced or Code Replacement Stamped Valve DIKKERS 160787 55 1B21F041B 1978 Replaced Yes 7.

Description:

Replaced Valve 1B21F041B. Installed spare serial # 160536. Replaced inlet and outlet flange bolting.

8. Tests Conducted: Hydrostatic 0 Pneumatic 0I Nominal Operating Pressure Other EL Exempt fl Pressure: psi Test Temp: OF

ER-AA-330-009 Revision 1 Page 29 of 35 ATTACHMENT 4 FORM NIS-2 OWNER'S REPORT FOR REPAIRS OR REPLACEMENTS As Required by the Provisions of the ASME Code Section XI

9. Remarks (Applicable Manufacturer's Data Reports to be attached):

Replacement valve serial # 160536, UTC 2567645 Inlet studs - UTC 2728986 Inlet nuts - UTC 2727464, Hydranuts installed Outlet studs - UTC 2684460 & 2728985 Outlet nuts - UTC 2727476, Hydranuts installed Data Report for replacement valve is located in N5 System NG02.

CERTIFICATE OF COMPLIANCE We certify that the statements made in the report are correct and this Re 01 IQ C-e-VA conform to the rules of the ASME Code, Section )a. repair or replacement Type Code Symbol Stamp MlIA Certificate of Authorization No. WJIA Signed 1._t~iv'*-

1O0" Q::E=ý or Ownr EYj i.Date

'4ignee, TitleN* '-- 16 - 20k(7--

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 of Province of Illinois and employed by Hartford Steam Boiler of CTi L have inspected the components described in this Owner's Report during the period

. S. iI* .0s to 5/17/2006 , and state that to the best of my knowledge and belief, the Owner has performed examinations and taken corrective measures described in this Owner's Report in accordance with the requirements of the ASME Code,Section XI.

By signing this certificate neither the Inspector nor his employer makes any warranty, expressed or implied, concerning the examinations and corrective measures described in this Owner's Report.

Furthermore, neither the Inspector nor his employer shall be liable in any manner for any personal injury or pro rty damage or a loss of any kind arising from or connected with this inspection.

Inspow signature Commissions National Board, State, Province, and Endorsements Date I A , 20(Y___

ER-AA-330-009 Revision 1 ATTACHMENT 4 Page 28 of 35 FORM NIS-2 OWNER'S REPORT FOR REPAIRS OR REPLACEMENTS As Required by the Provisions of the ASME Code Section XI

1. Owner: AmerGen Enerov Co.. LLC Data Report No. RF-10-050 Name Date: 5/18/2006 965 Chesterbrook Blvd., Wayne, PA 19087 Address Sheet 1 of 1

2. Plant: Clinton Power Station Unit: 1 Name RR3, Box 228, Clinton, IL 61727 705882-01 Address Repair Organization P.O. No., Job No.

3. Work Performed by: Clinton Power Station Type Code Symbol Stamp: None Name Authorization No: Not Applicable RR3, Box_228, Clinton, IL 61727 Expiration Date: Not Applicable Address

4. Identification of System: NGE02 Code Class 1,3 5(a) Applicable Construction Code Pipe: 1974 Edition S75 Addenda 1977, W77 Code Case Component: 1974 Edition S76 Addenda NONE Code Case (b) Applicable Edition of Section XI Utilized for Repairs or Replacements 1989 Edition, No Addenda (c) Section )I code Cases used NONE

6. Identification of Components Repaired or Replaced and Replacement Components Name of Name of Manufacturer National Other Year Repaired ASME Component Manufacturer Serial Number Board No Identification Built Replaced or Code Replacement Stamped V DIKKERS 160539 44 1B21FO41A 1978 Replaced Yes 7.Description: Replaced Valve 1521F041A. Installed spare serial #160789. Replaced inlet and outlet 7.

Description:

. Replaced Valve 1B321IF041A. Installed spare serial #160789.'-Replaced Inlet and outlet flange bolting.,-

8. Tests Conducted: Hydrostatic El Pneumatic lI Nominal Operating Pressure Other rl Exempt L - Pressure: psi Test Temp: 0F

ER-AA-330-009 Revision 1 Page 29 of 35 ATTACHMENT 4 FORM NIS-2 OWNER'S REPORT FOR REPAIRS OR REPLACEMENTS As Required by the Provisions of the ASME Code Section XI

9. Remarks (Applicable Manufacturer's Data Reports to be attached):

Replacement valve serial #160789, UTC 0002558176 Inlet Studs - UTC 0002728986 Inlet Nuts - UTC 0002727464, Hydranuts installed Outlet Studs - UTC 0002684460 & 0002728985 Oulet Nuts - UTC 000272476, Hydranuts installed Data Report for replacement valve is located in N5 System NG02.

CERTIFICATE OF COMPLIANCE We certify that the statements made in the report are correct and this Vielckc-.cvw yvi- conform to the rules of the ASME Code,Section XI. repair or replacement Type Code Symbol Stamp m IA Certificate of Authorization No. *3 1X Signed tA,,' ax, %!t. Q Date I'- - 2006 Owner Own.s Deignee,Tte 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 of Province of Illinois and employed by Hartford Steam Boiler_

of C i .T have inspected the components described in this Owner's Report during the period EiL L0o5 to 5/22/2006 , and state that to the best of my knowledge and belief, the Owner Ilas performed examinations and taken corrective measures described in this Owner's Report in accordance with the requirements of the ASME Code,Section XI.

By signing this certificate neither the Inspector nor his employer makes any warranty, expressed or implied, concerning the examinations and corrective measures described in this Owner's Report.

Furthermore, neither the Inspector nor his employer shall be liable in any manner for any personal injury or propert faa ora 6 s of any kind arising from or connected with this inspection.

________________Commissions :.L c

Ii aa Inspector's Signature National Board, State, Province, and Endorsements Date 20

ER-AA-330-009 Revision 1 ATTACHMENT 4 Page 28 of 35 FORM NIS-2 OWNER'S REPORT FOR REPAIRS OR REPLACEMENTS As Required by the Provisions of the ASME Code Section XI

1. Owner: AmerGen Enermv Co.. LLC Data Report No. RF-10-051 Name Date: 5/18/2006 Address Sheet

1 of 1

2. Plant: Clinton Power Station Unit: 1 Name RR3. Box 228. Clinton. IL 61727 706179-01 Address Repair Organization P.O. No., Job No.

3. Work Performed by: Clinton Power Station Type Code Symbol Stamp: None Name Authorization No: Not Applicable RR3, Box 228, Clinton, IL 61727 Expiration Date: Not Applicable Address

4. Identification of System: NGE02 Code Class 1,3 5(a) Applicable Construction Code Pipe: 1974 Edition S75 Addenda 1977, W77 Code Case Component: 1974 Edition S76 Addenda NONE Code Case (b) Applicable Edition of Section XI Utilized for Repairs or Replacements 1989 Edition, No Addenda (c)Section XI code Cases used -NONE

6. Identification of Components Repaired Or Replaced and Replacement Components Name of Name of Manufacturer National Other Year - Repaired ASME Component Manufacturer Serial Number Board No Identification Built Replaced or Code Replacement Stamped V DIKKERS 160942 204 1B21 F041 G 1979 Replaced Yes 7.

Description:

Replaced valve 1B21F041G. Installed spare serial #160941. Replaced inlet & outlet flange bolting.

8. Tests Conducted: Hydrostatic E] Pneumatic El Nominal Operating Pressure Other El Exempt El Pressure:- psi Test Temp: OF

ER-AA-330-009 Revision 1 K Page 29 of 35 ATTACHMENT 4 FORM NIS-2 OWNER'S REPORT FOR REPAIRS OR REPLACEMENTS As Required by the Provisions of the ASME Code Section XI

9. Remarks (Applicable Manufacturer's Data Reports to be attached):

Replacement valve serial #160942, UTC 0002567653' Inlet studs - UTC.0002728986 & 0002110333 Inlet nuts - UTC 0002727464, Hydranuts installed Outlet studs - UTC 0002684460 & 0002728985 Outlet nuts - UTC 0002727476, Hydranuts installed Data Report for replacement valve is located in N5 System NG02.

CERTIFICATE OF COMPLIANCE We certify that the statements made in the report are correct and this Ry\,=cQy° v, J conform to the rules of the ASME Code,Section X. repair or replacement Type Code Symbol Stamp t lA Certificate of Authorization No. -W A Signed S Owner V,,k %sn djCivner's,4ý;gnte, Title E. m 4 Date S-z-z, - ,20 V_._. _

CERTIFICATE OF INSERVICE INSPECTION I, the undersigned, holding a valid commission issued by the National Board of Boiler and Pressure Vessel Insiectprs and the State of Province of Illinois and employed by Hartford Steam Boiler_

of C have inspected the components described in this Owner's Report during the period

. h G I Q5 to 5/22/2006 , and state that to the best of my knowledge and belief, the Ownef hat performed examinations and taken corrective measures described in this Owner's Report in accordance with the requirements of the ASME Code,Section X).

By signing this certificate neither the Inspector nor his employer makes any warranty, expressed or implied, concerning the examinations and corrective measures described in this Owner's Report.

Furthermore, neither the Inspector nor his employer shall be liable in any manner for any personal injury or prog ifa* r a loss of any kind arising from or connected with this inspection.

"(/')I. , -Commissions

L*')IL Inspector's Signatured! National Board, State, Province, and Endorsements Date ____* "_ _*2_ ,0-

ER-AA-330-009 Revision 1 ATTACHMENT 4 Page 28 of 35 FORM NIS-2 OWNER'S REPORT FOR REPAIRS OR REPLACEMENTS As Required by the Provisions of the ASME Code Section XI

1. Owner: AmerGen Enerav Co.. LLC Data Report No. RF-10-052 Name Date: 5/18/2006 965 Chesterbrook Blvd., Wayne. PA 19087 Address Sheet 1 of 1

2. Plant: Clinton Power Station Unit: 1 Name RR3. Box 228, Clinton, IL 61727 706182-01 Address Repair Organization P.O. No., Job No.

3. Work Performed by: Clinton Power Station Type Code Symbol Stamp: None Name Authorization No: Not Applicable RR3, Box 228, Clinton, IL 61727 Expiration Date: Not Applicable Address

4. Identification of System; NGE02 Code Class 1 5(a) Applicable Construction Code Pipe: 1974 Edition S75 Addenda 1977, W77 Code Case Component: 1974 Edition S76 Addenda NONE Code Case (b) Applicable Edition of Section XI Utilized for Repairs or Replacements 1989 Edition, No Addenda (c)Section XI code Cases used NONE

6. Identification of Components Repaired or Replaced and Replacement Components Name of Name'of Manufacturer National Other Year Repaired ASME Component Manufacturer Serial Number Board No Identification Built Replaced or Code Replacement Stamped V DIKKERS 160535 40 1B21F041L 1978 Replaced Yes 7.

Description:

'Replaced Valve IB21F041L. Installed spare serial # 160538. Replaced inlet & outlet flange bolting.

8. Tests Conducted: Hydrostatic E- Pneumatic E1 Nominal Operating Pressure Other El Exempt El Pressure: psi Test Temp: OF

ER-AA-330-009 Revision 1 Page 29 of 35 AT*ACHMENT 4 FORM NIS-2 OWNER'S REPORT FOR REPAIRS OR REPLACEMENTS As Required by the Provisions of the ASME Code Section XI

9. Remarks (Applicable Manufacturer's Data Reports to be attached):

Replacement valve serial # 160538, UTC 0002567644 Inlet studs - UTC 0002728986 Inlet nuts - UTC 0002727464, Hydranuts installed Outlet studs - UTC 0002684460 & 0002728985 Outlet nuts - UTC 0002727476, Hydranuts installed Data Report for replacement valve is located in N5 System NG02.

CERTIFICATE OF COMPLIANCE We certify that the statements made in the report are correct and this ! elc*c*v*e

conform to the rules of the ASME Code, Section )a. repair or replacement Type Code Symbol Stamp i.J IA Certificate of Authorization No. tij, Signed

" 1&,2 %OwneCsL.Jesic~nee, En-"

~Owneq(* "litle Y rNV , Date - 2. - 20_p__

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 of Province of Illinois and employed by Hartford Steam Boiler.

of 4TL l have inspected the components'described in this Owner's Report during the period

_16JOS..- to 5/22/2006 , and state that to the best of my knowledge and belief, the Owntr hbs performed examinations and taken corrective measures described in this Owner's Report in accordance with the requirements of the ASME Code,Section XI.

By signing this certificate neither the Inspector nor his employer makes any warranty, expressed or implied, concerning the examinations and corrective measures described in this Owner's Report.

Furthermore, neither th Inspector nor his employer shall be liable in any manner for any personal injury or prope age qo loss of any kind arising from or connected with this inspection.

g )l Commissions :L 1)'\

Inspector's Signature National Board, State, Province, and Endorsements Date 9L a M &ý ,20.ý C

ER-AA-330-009 Revision 1 ATTACHMENT 4 Page 28 of 35 FORM NIS-2 OWNER'S REPORT, FOR REPAIRS OR REPLACEMENTS As Required bythe Provisions of the ASME Code'Section XI

1. Owner: AmerGen Energy Co., LLC Data Report No. RF-10-053 Name Date: 5/18/2006 965 Chesterbrook Blvd., Wayne, PA 19087 Address Sheet 1 of 1

2. Plant: Clinton Power Station Unit: 1 Name RR3, Box 228, Clinton, IL 61727 706180-01 Address -Repair Organization P.O. No., Job No.

3. Work Performed by: Clinton Power Station Type Code Symbol Stamp: None Name Authorization No: Not Applicable RR3, Box 228, Clinton, IL 61727 Expiration Date: Not Applicable Address

4. Identification of System: NGE02 Code Class 1,3 5(a) Applicable Construction Code Pipe: 1974 Edition S75 Addenda 1977, W77 Code Case Component:

1974 Edition S76 Addenda NONE Code Case (b) Applicable Edition of Section XI Utilized for Repairs or Replacements 1989 Edition, No Addenda (c)Section XI code Cases used ..NONE

6. Identification of Components Repaired or Replaced and Replacement Components Name of Name of Manufacturer National Other Year Repaired ASME Component Manufacturer Serial Number, Board No Identification Built Replaced or Code Replacement Stamped V DIKKERS 160782 . 47 1B21F047D 1978 Replaced Yes 7.

Description:

Replaced Valve 1B21F047D; Installed spare serial #160779. Replaced inlet & outlet flange bolting.

8. Tests Conducted: Hydrostatic [ Pneumatic El Nominal Operating Pressure Other El Exempt E- Pressure: psi Test Temp: C

ER-AA-330-009 Revision 1 Page 29 of 35

ATTACHMENT 4 FORM NIS-2 OWNER'S REPORT-FOR REPAIRS OR REPLACEMENTS As Required by the Provisions of the ASME Code Section XI

9. Remarks (Applicable Manufacturer's Data Reports to be attached):

Replacement valve serial # 160779, UTC 0002567633 Inlet studs - UTC 0002728986 Inlet nuts- UTC 0002727464, Hydranuts installed Outlet studs - UTC 0002728985 & 0002684460 Oultet nuts - UTC 0002727476, Hydranuts installed Data Report for replacement valve is located in N5 System NG02.

CERTIFICATE OF COMPLIANCE We certify that the statements made in the report are correct and this Pre*,l t_-, e ,., Jr conform to the rules of the ASME Code, Section )(I repair or replacement.

Type Code Symbol Stamp tQ A, Certificate of Authorization No. m I A Signed IwC- .r.% -Date 2c--L_

Own"or Owne .itnee, Title V CERTIFICATE OF INSERVICE INSPECTION I, the undersigned, holding a valid commission issued by the National Board of Boiler and Pressure Vessel Inspe tors and the State of Province of Illinois and employed by Hartford Steam Boiler.

of C"I have inspected the components described in this Owner's Report during the period N1 C6- to 5/22/2006 , and state that to the best of my knowledge and belief, the Owrbr hbs performed examinations and taken corrective measures described in this Owner's Report in accordance with the requirements of the ASME Code,Section XI.

By signing this certificate neither the Inspector nor his employer makes any warranty, expressed or implied, concerning the examinations and corrective measures described in this Owner's Report.

Furthermore, neither the Inspector nor his employer shall be liable in any manner for any personal injury rol: C-or pro age lo f any kind arising from or conpcted with this inspection.

ail ý= of Commissions ..

Inspector's Sý*nature National Board, State, Province, and Endorsements LDate -t/A,2.

ER-AA-330-009 Revision 1 ATTACHMENT 4 Page 28 of 35 FORM NIS-2 OWNER'S REPORT FOR REPAIRS OR REPLACEMENTS As Required by the Provisions of the ASME Code Section XI

1. Owner: AmerGen Energy Co., LLC Data Report No. RF-10-054 Name Date: 5/18/2006 965 Chesterbrook Blvd., Wayne, PA 19087 Address Sheet 1 of 1

2. Plant: Clinton Power Station Unit: 1 Name RR3. Box 228, Clinton, IL 61727 706177-01 Address Repair Organization P.O. No., Job No.

3. Work Performed by: Clinton Power Station Type Code Symbol Stamp: None Name Authorization No: Not Applicable RR3, Box 228, Clinton, IL 61727 Expiration Date: Not Applicable Address

4. Identification of System: NGE02 Code Class 1,3 5(a) Applicable Construction Code Pipe: 1974 Edition S75 Addenda 1977, W77 Code Case Component: 1974 Edition S76 Addenda NONE Code Case (b) Applicable Edition of Section XI Utilized for Repairs or Replacements 1989 Edition, No Addenda (c)Section X) code Cases used NONE'

6. Identification of Components Repaired or Replaced and Replacement Components Name of Name of Manufacturer National Other Year Re Component Manufacturer Serial Number Board Nol Identification I Built I Rer 7.

Description:

Replaced valve 1B21F047F. Installed spare serial #160778. Replaced inlet & outlet flange bolting.

8. Tests Conducted: Hydrostatic El Pneumatic El NominalOperating Pressure Other ED Exempt El Pressure: psi Test Temp: OF

ER-AA-330-009 Revision 1 Page 29 of 35 ATTACHMENT 4 FORM NIS-2 OWNER'S REPORT FOR REPAIRS OR REPLACEMENTS As Required by the Provisions of the ASME Code Section XI

9. Remarks (Applicable Manufacturer's Data Reports to be attached):

Replacement valve serial # 160778, UTC 0002567635 Inlet studs - UTC 0002728986 & 0002110819 & 0002110333 Inlet nuts- UTC 0002727464, Hydranuts installed Outlet studs - UTC 0002728985 & 0002684460 Oultet nuts - UTC 0002727464, Hydranuts installed Data Report for replacement valve is located in N5 System NG02.

CERTIFICATE OF COMPLIANCE We certify that the statements made in the report are correct and this P~eR!*jA .ensrt conform to the rules of the ASME Code, Section XI. repair or replacement Type Code Symbol Stamp W )A Certificate of Authorization No. WJ )A Signed VA 5, Date '-- -, 20DL ovl~r or owne~slDesignee, Titp 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 of Province of Illinois and employed by Hartford Steam Boiler of C./ 1 have inspected the components described in this Owner's Report during the period

/ (o0 .; to 5/22/2006 , and state that to the best of my knowledge and belief, the Own0ir hds performed examinations and taken corrective measures described in this Owner's Report in accordance with the requirements of the ASME Code,Section XI.

By signing this certificate neither the Inspector nor his employer makes any warranty, expressed or implied, concerning the examinations and corrective measures described in this Owner's Report.

Furthermor neither the Inspector nor his employer shall be liable in any manner for any personal injury or prope c e or ss of any kind arising from or connected withthis inspection.

Commissions -. I J -

Ins or's 5os-ature National Board, State, Province, and Endorsements Date 9a* ý A(y-* , 20A(

ER-AA-330-009 Revision 1 ATTACHMENT 4 Page 28 of 35 FORM NIS-2 OWNER'S REPORT FOR REPAIRS OR REPLACEMENTS As Required by the Provisions of the ASME Code Section XI

1. Owner: AmerGen Enerav Co., LLC Data Report No. RF-10-055 Name Date: 5/18/2006 965 Chesterbrook Blvd., Wayne, PA 19087 Address Sheet 1 of 1

2. Plant: Clinton Power Station Unit: I Name RR3, Box 228, Clinton, IL 61727 706183-01 Address Repair Organization P.O. No., Job No.

3. Work Performed by: Clinton Power Station Type Code Symbol Stamp: None Name Authorization. No: Not Applicable RR3, Box 228, Clinton, IL 61727 Expiration Date: Not Applicable Address

4. Identification of System: NGE02 Code Class 1,3 5(a) Applicable Construction Code Pipe: 1974 Edition S75 Addenda 1977, W77 Code Case Component: 1974 Edition S76 Addenda NONE Code Case (b) Applicable Edition of Section XI Utilized for Repairs or Replacements 1989 Edition, No Addenda (c)Section XI code Cases used NONE

6. Identification of Components Repaired or Replaced and Replacement Components Name of Name of Manufacturer National Other Year Repaired ASME Component Manufacturer Serial Number Board No Identification Built Replaced or Code Replacement Stamped V DIKKERS 160786 53 1 B21 F051C 1978 Replaced Yes 7.

Description:

Replaced valve 1B21F051C. Installed spare serial #160917. Replaced inlet & outlet flange bolting.

8. Tests Conducted: Hydrostatic LI Pneumatic LI Nominal Operating Pressure Other LI Exempt -0 Pressure: psi Test Temp:

ER-AA-330-009 Revision 1 Page 29 of 35 ATTACHMENT 4 FORM NIS-2 OWNER'S REPORT FOR REPAIRS OR REPLACEMENTS As Required by the Provisions of the ASME Code Section XI

9. Remarks (Applicable Manufacturer's Data Reports to be attached):

Replacement valve serial # 160917, UTC 0002567660 Inlet studs - UTC 0002728986 Inlet nuts- UTC 0002727464, Hydranuts installed Outlet studs - UTC 0002728985 & 0002684460 Oultet nuts - UTC 0002727476, Hydranuts installed Data Report for replacement valve is located in N5 System NG02.

CERTIFICATE OF COMPLIANCE We certify that the statements made in the report are correct and this1e1a ,r-t vv* conform to the rules of the ASME Code, Section )U. repair or replacement Type Code Symbol Stamp M IA Certificate of Authorization No. t4lA Signed A'Ovqr'or

F 1 y OmJer'l Designee, 1tite' Date - - 20pL 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 of Province oL. ]linois; and employed by Hartford Steam Boiler of CI I have inspected the components described in this Owner's Report during the period h J,/O to 5/22/2006 , and state that to the best of my knowledge and belief, the Owner hds performed examinations and taken corrective measures described in this Owners Report in accordance with the requirements of the ASME Code,Section XI.

By signing this certificate neither the Inspector nor his employer makes any warranty, expressed or implied, concerning the examinations and corrective measures described in this Owner's Report.

Furthermore, neithe the Inspector nor his employer shall be liable in any manner for any personal Injury (r A.

or pro r amag* ra loss of any kind arising from or connected with this inspection.,

WHI z' Commissions -'V VV*-\

Inspector's Signature National Board, State, Province, and Endorsements Date ,20 0..

ER-AA-330-009 Revision 1 ATTACHMENT 4 Page 28 of 35 FORM NIS-2 OWNER'S REPORT FOR REPAIRS OR REPLACEMENTS As Required by the Provisions of the ASME Code Section XI

1. Owner: AmerGen Energy Co.. LLC Data Report No. RF-10-056 Name 5/18/2006 Date:

965 Chesterbrook Blvd., Wayne, PA 19087 Address Sheet 1 of -1

2. Plant: Clinton Power Station Unit: 1 Name RR3, Box 228, Clinton, IL 61727 706181-01 Address Repair Organization P.O. No., Job No.

3. Work Performed by: Clinton Power Station Type Code Symbol Stamp: None Name Authorization No: Not Applicable RR3, BOx 228, Clinton, IL 61727 Expiration Date: Not Applicable Address

4. Identification of System: NGE02 Code Class 1,3 5(a) Applicable Construction Code Pipe: 1974 Edition S75 Addenda 1977, W77 Code Case Component: 1974 Edition S76 Addenda none Code Case (b) Applicable Edition of Section XI Utilized for Repairs or Replacements 1989 Edition, No Addenda (c)Section X) code Cases used none.

6. Identification of Components Repaired or Replaced and Replacement Components I Name of Component Name of Manufacturer Manufacturer - National 1 Other -

Serial Number ]Board No _ Identification Year Built Re Rep 7.

Description:

Replaced valve.1B21F051D. Installed spare serial #160793. Replaced inlet & outlet flange bolting.

8. Tests Conducted: Hydrostatic E) Pneumatic 0I Nominal Operating Pressure LI Other L- Exempt El Pressure: psi Test Temp: OF

ER-AA-330-009 Revision 1 Page 29 of 35 ATTACHMENT 4 FORM NIS-2 OWNER'S REPORTFOR REPAIRS OR REPLACEMENTS As Required by the Provisions of the ASME Code Section XI

9. Remarks (Applicable Manufacturer's Data Reports to be attached):

Replacement valve serial # 160793, UTC 0002567659 Inlet studs - UTC 0002728986 Inlet nuts- UTC 0002727464, Hydranuts installed Outlet studs - UTC 0002728985 & 0002684460 Oultet nuts - UTC 0002727476, Hydranuts installed Data Report for replacement valve is located in N5 System NG02.

CERTIFICATE OF COMPLIANCE We certify that the statements made in the report are correct and this Re conform to the rules of the ASME Code, Section )a. repar or replacement Type Code Symbol Stamp W. &.

Certificate of Authorization No. bIJA Signed -K£4 -' ZS6.c.,,^C"- Date E-.L- 20P-.C Owrk-ror owner's Defignee, 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 of Province of Illinois Cand employed by Hartford Steam Boiler of - CT J - ' have inspected the components described in this Owner's Report during the period

-55'1( to 5/22/2006 , and state that to the best of my knowledge and belief, the Ownehs perform examinations and taken corrective measures described in this Owner's Report in accordance with the requirements of the ASME Code,Section XI.

By signing this certificate neither the Inspector nor his employer makes any warranty, expressed or implied, concerning the examinations and corrective measures described in this Owner's Report.

Furthermoe, neithe e Inspector nor his employer shall be liable in any manner for any personal injury g loss or propkqyd ge okaloss of any kind arising from or connected with this inspection.

________________________ Commissions_____-_______

Inspectors Sgnp .re National Board, State, Province, and Endorsements Date :20ý(

ER-AA-330-009 Revision 1 ATTACHMENT 4 Page 28 of 35 FORM NIS-2 OWNER'S REPORT FOR REPAIRS OR REPLACEMENTS As Required by the Provisions of the ASME Code Section XI

1. Owner: AmerGen Energy Co., LLC Data Report No. RF-10-057 Name Date: 5/23/2006 965 Chesterbrook Blvd.. Wayne. PA 19087 Address Sheet 1 of 1

2. Plant: Clinton Power Station Unit: 1 Name RR3. Box,228. Clinton. IL 61727 548741-1, 727059-9 Address Repair Organization P.O. No., Job No.

3. Work Performed by: Clinton Power Station Type Code'Symbol Stamp: None Name Authorization No: Not Applicable RR3, Box 228, Clinton, IL 61727 Expiration Date: Not Applicable Address

4. Identification of System: NRH01 Code Class 2 5(a) Applicable Construction Code Pipe: -Edition - Addenda - Code Case Component: 1974 Edition W75 Addenda NONE Code Case (b) Applicable Edition of Section XI Utilized for Repairs or Replacements 1989 Edition with No Addenda (c)Section XI code Cases.used N-416-2

6. Identification of Components Repaired or Replaced and Replacement Components Name of Name of Manufacturer National Other Year Repaired ASME Component Manufacturer Serial Number Board No Identification Built Replaced or Code Replacement Stamped HX JOSEPH OAT 2318-B 1053 1E12B001B 1978 Repaired Yes 7.

Description:

Weld repair on divider plate and bolting replacement.

8. Tests Conducted: Hydrostatic 11 Pneumatic EI Nominal Operating Pressure Other EL Exempt LI Pressure: psi Test Temp: OF

ER-AA-330-009 Revision 1 Page 29 of 35 0

ATTACHMENT 4 FORM NIS-2 OWNER'S REPORT FOR REPAIRS OR REPLACEMENTS As Required by the Provisions of the ASME Code Section XI

9. Remarks (Applicable Manufacturer's Data Reports to be attached):

Bolting was accepted as follows: Studs - UTC number 2729603 and Nut - UTC number 2726478.

CERTIFICATE OF COMPLIANCE We certify that the statements made in the report are correct and this R* I RMAV conform to the rules of the ASME Code,Section XI. repair or r4place'ment Type Code Symbol Stamp *. IA Certificate of Authorization No. N.I Signed ' Iv'a-!2 9!+/-=ep: X:**.* YDate

- !- T 3 -, 20IL.&._.

owrorw0mersesigne, Titla 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 of Province of Illinois and employed by Hartford Steam Boiler_

of CT i have inspected the components described in this Owner's Report during the period 711O to .5/23/2006 , and state that to the best of my knowledge and belief, the Owner 6as performed examinations and taken corrective measuresdescribed in this Owner's Report in accordance with the requirements of the ASME Code,Section XI.

By signing this certificate neither the Inspector nor his employer makes any warranty, expressed or implied, concerning the examinations and corrective measures described in this Owner's Report.

Furthermore, neither t I 'pector nor his employer shall be liable in any manner for any personal injury C msnL)/

or property eorr), FS/ of'L any kind arising from or connected with this Commissions 'T 0"* oL inspection.

Inspector's Signature National Board, State, Province, and Endorsements Date A~ 20'1A

U-603774, 90-Day Post-Outage Inservice Inspection (SI) Summary Report

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U-603774, 90-Day Post-Outage Inservice Inspection (SI) Summary Report

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