ML100270049

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Submittal of Cycle 9 90-Day Inservice Inspection Summary Report
ML100270049
Person / Time
Site: Watts Bar Tennessee Valley Authority icon.png
Issue date: 01/19/2010
From: Krich R
Tennessee Valley Authority
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
Download: ML100270049 (10)


Text

Tennessee Valley Authority, 1101 Market Street, Chattanooga, Tennessee 37402-2801 January 19, 2010 10 CFR 50.4 ATTN: Document Control Desk U.S. Nuclear Regulatory Commission Washington, D. C. 20555-0001 Watts Bar Nuclear Plant, Unit 1 Facility Operating License No. NPF-90 NRC Docket No. 50-390

Subject:

Unit I Cycle 9 90-Day Inservice Inspection Summary Report

Reference:

TVA letter to NRC, "Watts Bar Nuclear Plant (WBN) Unit 1 -American Society of Mechanical Engineers (ASME) Section Xl Inservice Inspection (ISI) Summary Report for the Eight Cycle of Operation,"

dated June 24, 2008.

In accordance with the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code,Section XI, Article IWA-6230, and Code Case N-532-4, Tennessee Valley Authority (TVA) is providing the Watts Bar Nuclear Plant (WBN)

Inservice Inspection (ISI) Summary Report within 90 days from completion of the inspections performed during the Unit 1 Cycle 9 (U1C9) refueling outage. The summary report contains an overview of the inservice examination results that were performed on ASME Class 1 and 2 components up to and including the U1C9 refueling outage during the first inspection period of the second 10-year inspection interval. contains the limitations noted during the U1C9 refueling outage, a list of items with flaws that required evaluation (Table 1), an evaluation of conditions for continued service (Table 2), the ASME Section XI subsection IWE steel containment inspections, and the Owner's Activity Report. Enclosure 2 contains two forms that were omitted from the Cycle 8 90-day ISI summary report (Reference). Enclosure 3 contains a commitment to submit a relief request by the end of the second interval.

Printed o. recycled paper 0

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U.S. Nuclear Regulatory Commission Page.2 January19, 2010 v ;-- c-rnrnissiof If you have questions regarding this letter, please call Kevin Casey, Senior Project Manager at (423) 751-8523.

Respectfully, R. M. Krich Vice President Nuclear Licensing

Enclosures:

1.

2.

3.

American Society of Mechanical EngineersSection XI Inservice Inspection Summary Report for the Ninth Cycle of Operation Forms Omitted from Cycle 8 Summary Report Commitment Summary cc (Enclosures):

NRC Regional Administrator - Region II NRC Senior Resident Inspector - Watts Bar Nuclear Plant

ENCLOSUREI American Society of Mechanical EngineersSection XI.lnservice Inspection Summary Report for the Ninth Cycle of Operation The following limitation was noted during the performance of examinations during the Unit 1 Cycle 9 refueling outage. In accordance with 10 CFR 50.55a(g)(5)(iv), a relief request will be submitted later in the current inspection interval.

Component Exam Category Item Number Limitation percentage, configuration BIT-1 C-B C2.21 67.65%, nozzle-to-shell weld Table I Items with flaws or relevant conditions that required evaluation for continued service Examination Category and Item Number Item Description Evaluation Description None Table 2 Abstract of RepairlReplacement Activities required for continued service Code Item Date Repair/Replacement Class Description Description of Work Completed Plan Number Replace the inlet flange studs with Class 1 material. This work is 1

Flange required to correct a 91-18, non-11/09/2009 Work Order (WO) studs conforming condition; reference 08-816335-000 Problem Evaluation Report (PER) 145979.

Replace the inlet flange studs with Flange Class 1 material. This work is 1 nrequired to correct a 91-18, non-12/17/2009 WO 08-817446-002 studs conforming condition; reference PER 146327.

Steel Containment Vessel Inspection Program 10 CFR 50.55a(b)(2)(ix) requires the reporting of inaccessible areas and additional examinations identified during the performance of American Society of Mechanical Engineers (ASME) Section Xl subsection IWE Steel Containment Vessel (SCV) Inspection Program when conditions exist in accessible areas that could indicate the presence of or result in degradation to such inaccessible areas.

For the examinations performed during the Unit 1 Cycle 9 refueling outage, there were no degraded conditions identified in accessible portions of the SCV which would require additional examinations or evaluation of inaccessible areas.

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FORM OAR-1 OWNER'S ACTIVITY REPORT Report Number U1C9 RFO Plant Watts Bar Nuclear Plant, P 0 Box 2000, Spring City TN 37381-2000 Unit No.

1 Commercial Service Date May 27, 1996 Refueling Outage Number RFO9 (if applicable)

Current Inspection Interval 2nd (1W, 2"r, 3r, 4"', other)

Current Inspection Period 1st 0'", 2"d, r*)

Edition and Addenda of Section XI applicable to the Inspection Plans 2001 Edition with 2003 Addenda Date / Revision of Inspection Plans September 17, 2009 / 1-TRI-0-10.2, Revision 3 Edition and Addenda of Section XI applicable to repair/replacement activities, if different than the inspection plans same Code Cases used:

N-460, N-526, N-586, N-624, N-532-4, N-706. N-616, N-722, N-729-1 CERTIFICATE OF CONFORMANCE I certify that (a) the statements made in this report are correct; (b) the examinations and tests, meet the Inspection Plan as required by the ASME Code,Section XI; and (c) the repair/replacement activities and evaluations supporting the completion of RFO9 conform to the reqluireemnts of Section 1 (refueling outage number)

Sign O'd1

/)

j-O(2Akf Date (Owner or Xner's designee. Title)

W 65 ),IJ&-jx 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 Tennessee and employed by HSB CT of Hartford, Connecticut have inspected the items described in this Owner's Activity Report, and state that to the best of my knowledge and belief, the Owner has performed all activities represented by this report in accordance with the requirements of Section XI By signing this certificate neither the Inspector nor his employer makes any warranty expressed or implied concerning the repair/

replacement activities and evaluation described in this report. Furthermore, neither the Inspector nor his employer shall be liable in any manner for any personal injury or property damage or a loss of any kind arising from or connected with this inspection S2i*?

Commissions Z7 C/-5 9 (Inspector's Signattf.3 National Board, State, Province, and Endorsements Date

/7/__

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ENCLOSURE2 Forms Omitted from Cycle 8 Summary.Report Work orders 07-817846-000 and 07-817847-000 were completed during the eighth operating cycle but omitted from the 90-day summary report. This was documented in TVA's Corrective Action Program as Problem -Evaluation Report 148935. The omitted forms are included on'the following pages.

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FORM NIS-2 OWNER'S REPORT FOR REPAIR/REPLACEMENTACTIVITY As'Required by the Provisions of the ASME Code Section XA

.1-o-Ciier Tennessee Valley Authority (IVA) 1101 Market Street Nmern Chattanooga, TN 37402-2801 Addres

.2 Plant Watts Bar Nuclear Plant (WBN)

NOm P. 0. Box 2000. Spring City& TN 37381-2000 Addreea 3

Work Performed by:

TVA-WBN Name P. 0. Box 2000. Sorlno City. TN 37381-2000 Date--,02=29/2008 Sheet 1

of

.2.

Unit

.1 "f'MJ n

h Ind,- t'4..r'rw* A 17.R.IRA lfnn R"&Iq*lr/l nfwe OWraton P.O. No., Job No,, et.

Type Code Symbol Stamp N/A Authorization No.

N/A Expiration Date NIA 4

Identification of System 026 HIGH PRESSURE FIRE PROTECTION (HPFP) 5 (a)

Applicable Construction Code ASME Il1 19 2

- Edition.

Addenda N/A Code Case (b)

Applicable Edition of Section XA Utilized for Repairs or Replacements 2001 Ed, 2003 Add.

(c)

Applicable Secton X Code Cases 6

Identification of Components ASME Code Natonal Corrected, Stamped Name of Name of Manufacturer Board Other Year Removed. or (Yes Component Manufacturer Serial No.

No.

Identification Built Installed or No) 1-CKV-026-1260 DISK BORG WARNER NA W/A N/A NA REMOVED Z

y 1-CKV-028-1260 DISK BORG WARNER 90865-2 N/A N/A 2008 INSTALLED

7.

Description of Work:

REPLACE DISK ASSEMBLY ON CHECK VALVE BONNET, 1.CKV-026-1260.

__17 f

I Tests r

Conducted:

Hydrostatic l Pneumatic 0 Nominal Operating Pressu,,

Exempt 03 Other 0 Pressure psi Test Temp.

-_"F NOTE:

Supplemental Sheets In form of Uists, sketches, or drawings may be used, provided (1) size Is 8% In. X 1I In., (2) Informatlon In 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.

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1 0 Remarks TRAC FORM NIS-2 (Back)

Page Zo, A,-d~~..

-OPJ-J1 o

KING NO

-Appfcaeie Maroufadturers Data Reports to bei 8ttaChed CERTIFICATE OF COMPLIANCE I certify that the statements made In the report are correct and this conforms to the rules of the ASME Code,Section XI.

Type Code Symbol Stamp N/A Expiration N/

Certificate of Authorization No.

N/A Date N/A Signed Date 2

,J CERTIFICATE OF INSERVICE INSPECTION 1, the undersigned, holding a valid commission issued by the National Board of Boller and Pressure Vessel Inspectors and the State or Province of 7eA,-,,-/lree-e and employed by

,L4'-

Cr of rhave Inspected the components described in this Owner's Report during the period to r/?

to

, and state that to the best of my knowledge and belief, the Owner has performed examinations and t ken corrective measures described 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 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.

vs-..

M. L";Z Inspeewe Sigriature 61 Commissions Nanooi *oad. SlatS, Ptetotrca, and E.idonatnie Date

,20 E2-3 of 5

FORM NIS-2 OWNER'S REPORT FOR REPAIRIRE PLACEMENT ACTIVITY As Required-by the Provisions of the ASME Code Section'XI

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Owner:

Tennessee Valley Authority (TVA)

Date 02-29-2008 Name 1101 Market Street 2

3 Chattanooga, TN 37402-2801 Address Plant:

Watts Bar Nuclear Plant (WBN)

Name P, 0. Box 2000, Springj City, TN 37381-2000 Add-.

VVork Performed by:

TVA-WBN Name P. 0. Box 2000. Sprinq City, TN 37381-2000 Addes.

Sheet 1

of Unit 1

W n 07-8117847-.no RepairIleplacement O(ganizalion P.O No., Job No., etc.

Type Code Symbol Stamp N/A Authorization No.

N/A Expiration Date N/A 4

Identification of System 026-HPFP 5 (a)

Applicable Construction Code SECTION III 19 A

"Edit

ion,

,$< Wl.

(b)

Applicable Edition of Section XI Utilized for Repairs or Replacements 2001 Ed, 2003 Add.

N

-*.ddendla N/A Code Case (c)

Applicable Section XI Code Cases 6

Idenlification of Components N/A ASME Code National Corrected, Stamped Name of Name of Manufacturer Board Other Year Removed, or (Yes Component Manufacturer Serial No.

No.

Identification Built Installed or No) 1-CKV-026-1296 DISK BORGWARNER a8r----

r/N 71W1A.1

-40,-

-t40TAL4L1-4

/A----

< o 6-1 Dt1 C. 7,SI/4e'

7.

Description of Work:

Tests

8.

Conducted:

Nominal Operating Pressure 01 Hydrostatic 0

Pneumatic El Other Pressure psi Test Temp.

'_°F SIOTE:

Supplemental Sheets in form of lists, sketches, or drawings may be used, provided (1) size is 8% in. X 11 in., (2) information in 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 al the top of this form.

E2-4 of 5 L.1 C0'tp

Page I.

of 24 FORM NIS-2 (Back)

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9.

Remarks TRACKING NO w/O* 0,

-97 I7 Y-ctvrn Applicable Manufacturer's Data Reports to be attached CERTIFICATE OF COMPLIANCE I certify that the statements made in the report are correct and this conforms to the rules of the ASME Code, Section XI_

Type Code Symbol Stamp N/A Certificate of Authorization No.

NIA Signed

- rAVALý--Ž*

$1~A~ &~-

Expiration N/A Date Date

,20 o w

Owner or Owners Designee, Title CERTIFICATE OF INSERVICE INSPECTION I, the undersigned, holding a valid commission issued by the National Board of Boiler and Pressure Vessel Inspectors and the State or Province of 4"

d e-and employed by lls',

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

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, and state that to the best of my knowledge and belief, the Owner has performed examinations and talcen 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.

1-34,~

)7',7 2!W Commissions Inspector's signature 6/

National Board, State. Province, and Endorsements Date 9/4

.20 1 E2-5 of 5

UIC6P,

ENCLOSURE3 Commitment Summary A relief request will be submitted by the end of the second interval for the limited coverage examination listed in Enclosure 1 of this letter. This relief request will be initiated in accordance with applicable ASME Code requirements.

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