BYRON 2007-0055, B2R13, Spring 2007 Outage, Inservice Inspection Summary Report, for Inspection Activities from October 12, 2005 to May 3, 2007, Section 5.0 (Continued) Form NIS-2: Repairs/Modifications Through End

B2R13, Spring 2007 Outage, Inservice Inspection Summary Report, for Inspection Activities from October 12, 2005 to May 3, 2007, Section 5.0 (Continued) Form NIS-2: Repairs/Modifications Through End

ML072120513
Person / Time
Site:	Byron
Issue date:	07/10/2007
From:	Exelon Generation Co, Exelon Nuclear
To:	Office of Nuclear Reactor Regulation
References
BYRON 2007-0055
Download: ML072120513 (58)

Text

FORM NIS-2 OWNERS REPORT FOR REPAIRS OR REPLACEMENTS As Required by the Provisions of the ASME Code Section Xl 1.

Owner Exelon Nuclear Date 04/06/07 Name 4300 Winfleld Road, Warrenville, IL 60555 Sheet 1

of Address 2.

Plant Byron Nuclear Power Station Unit 00 Name 4450_N. German Church Road, Byron, IL 61010 Work Order No. 00790202-01 Address Repair Organization, P.O. No., Job No., etc.

3.

Work Pertormed by Byron Mechanical Type Code Symbol Stamp Not Applicable Name Authorization No.

Not Applicable 4450 N. German Church Road, Byron, IL 61010 Expiration Date Not Applicable Address 4.

Identification of System SX ESSENTIAL SERVICE WATER

- SPARE ASSEMBLY 5.

(a)

Applicable Construction Code Section III 1974

Edition, Wf75 Addenda, None Code Case (b) Applicable Edition of Section Xl Utilized for Repairs or Replacement Components 2001 ED/2003 AD (C)

Section Xl Code Cases used, None 6.

Identification of Components Repaired or Replaced and Replacement Components Name of Component Name of Manufacturer Manufacturer Serial No.

National Board No.

Other Identification Year Built Corrected, Removed, or Installed ASME Code Stamped (Yes or No)

DISC VELAN ENG.

S/N: 4971 N/A CAT ID 1393419-1 2005 INSTALLED YES 7.

Description of Work TACK WELD VALVE DISC TO DISC UNION AND RETURN TO STORES.

8.

Test Conducted:

Hydrostatic D Pneumatic D Nominal Operating Pressure D Exempt ~

Other U Pressure N/A psi Test Temp N/A Note: Supplemental sheets in form of lists, sketches, or drawings may be used, provided (1) size is 81/2in. x II in., (2) information in items I 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-2 (Back) 9.

Remarks WO#00790202-O1 Applicable Manufacturers Data Heports to De attacflecl CERTIFICATE OF COMPLIANCE I certify that the statements made in the report are correct and this conforms to the requirements of the ASME Code,Section XI.

Type Code Symbol Stamp Not Applicable Certificate of Au~orizationNo.

Not Applicable Signed

ç\\\\~ 5

~

C~crJ Date c/ILf

,20 y-7 Owne 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 Illinois and employed by HSB CT of Hartford, CT have inspect,d the components described in this Owners Report during the period to 71/9/117

, and state that to the best of my knowledge and belief, t e wner has performe examinations and taken corrective measures described in this Owners Report in accordance with the requirements of the ASME Code, Section Xl.

By signing this certificate neitherthe Inspector nor his employer makes any warranty, expressed or implied, concerning the examinations and corrective measures described in this Owners Report.

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

Commissions

/iI -

Inspectors Signature National Board, State Province, and Endorsements Date:

~

iV

, 20 (Final)

FORM NIS-2 OWNERS REPORT FOR REPAIRS OR REPLACEMENTS As Required by the Provisions of the ASME Code Section Xl 1.

Owner Exelon Nuclear Date 04/06/07 Name 4300 Winfleld Road, Warrenville, IL 60555 Sheet 1

of Address 2.

Plant Byron Nuclear Power Station Unit 00 Name 4450_N. German Church Road, Byron, IL 61010 Work Order No. 00790202-01 Address Repair Organization, P.O. No., Job No., etc.

3.

Work Pertormed by Byron Mechanical Type Code Symbol Stamp Not Applicable Name Authorization No.

Not Applicable 4450 N. German Church Road, Byron, IL 61010 Expiration Date Not Applicable Address 4.

Identification of System SX ESSENTIAL SERVICE WATER

- SPARE ASSEMBLY 5.

(a)

Applicable Construction Code Section III 1974

Edition, Wf75 Addenda, None Code Case (b) Applicable Edition of Section Xl Utilized for Repairs or Replacement Components 2001 ED/2003 AD (C)

Section Xl Code Cases used, None 6.

Identification of Components Repaired or Replaced and Replacement Components Name of Component Name of Manufacturer Manufacturer Serial No.

National Board No.

Other Identification Year Built Corrected, Removed, or Installed ASME Code Stamped (Yes or No)

DISC VELAN ENG.

S/N: 4971 N/A CAT ID 1393419-1 2005 INSTALLED YES 7.

Description of Work TACK WELD VALVE DISC TO DISC UNION AND RETURN TO STORES.

8.

Test Conducted:

Hydrostatic D Pneumatic D Nominal Operating Pressure D Exempt ~

Other U Pressure N/A psi Test Temp N/A Note: Supplemental sheets in form of lists, sketches, or drawings may be used, provided (1) size is 81/2in. x II in., (2) information in items I 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-2 (Back) 9.

Remarks WO#00790202-O1 Applicable Manufacturers Data Heports to De attacflecl CERTIFICATE OF COMPLIANCE I certify that the statements made in the report are correct and this conforms to the requirements of the ASME Code,Section XI.

Type Code Symbol Stamp Not Applicable Certificate of Au~orizationNo.

Not Applicable Signed

ç\\\\~ 5

~

C~crJ Date c/ILf

,20 y-7 Owne 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 Illinois and employed by HSB CT of Hartford, CT have inspect,d the components described in this Owners Report during the period to 71/9/117

, and state that to the best of my knowledge and belief, t e wner has performe examinations and taken corrective measures described in this Owners Report in accordance with the requirements of the ASME Code, Section Xl.

By signing this certificate neitherthe Inspector nor his employer makes any warranty, expressed or implied, concerning the examinations and corrective measures described in this Owners Report.

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

Commissions

/iI -

Inspectors Signature National Board, State Province, and Endorsements Date:

~

iV

, 20 (Final)

DOCUMENT NO.:

9.0 REV. NO.:

0 1

FORM NIS-2 OWNERS REPORT FOR REPAIR/REPLACEMENT ACTIVITY As Required by the Provisions of the ASME Code Section Xl 1.

Owner Exelon Nuclear Date 04/08/07 Name 4300 Wlnfleld Road, Warrenville, IL Sheet 1

of 1

Address 2.

Plant Byron Nuclear Power Station Unit 02 Name 4450_N. German Church Road, Byron, IL Work_Order No. 00827538 - 01 Address Repair Organization, P.O. No., Job No., etc.

3.

Work Performed by Shaw/Stone & Webster Type Code Symbol Stamp Not Applicable Name Authorization No.

Not Applicable 36400 S. Essex Road, Wilmington, IL 60481 Expiration Date Not Applicable Address 4.

Identification of System ESSENTIAL SERVICE WATER [SX]

1986 Edition/i987 Addenda (Valve) 5.

(a) Applicable Construction Code ASME Section Ill 1974 Edition, S75 Addenda, None Code Case (b) Applicable Edition of Section Xl Used for Repair/Replacement Activity 2001 Edition / 2003 Addenda (c)

Section XI Code Case(s)

NONE 6.

Identification of Components ASME Corrected, Code National Removed, or Stamped Nameof Name of Manufacturer Board Other Year Installed (Yes orNo)

Component Manufacturer Serial No.

No.

Identification Built Run Weklolet HT#2O16ANR N/A 2007 Installed No 4 Gate Valve Flowserve S/N: BC465 N/A 2006 Installed Yes 7.

Description of Work ADD 4 DRAIN UNE AND 4 VALVE TO UNE 2SX13A-36 8.

Test Conducted:

Hydrostatic 0 Pneumatic 0 Nominal Operating Pressure ~

Exempt0 Other 0 Pressure 90 psi Test Temp.

67 Note: Supplemental sheets in form of lists, sketches, or drawings may be used, provided (1) size is 81/2 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 at the top of this form.

FORM NIS-2 (Back) 9.

Remarks WORK ORDER: 00827538-01 Applicable Manufacturers Data ~epons 10 oe anacnea CERTIFICATE OF COMPLIANCE I certify that the statements made in the report are correct and this conforms to the requirements of the ASME Code, Section Xl.

Type Code Symbol Stamp Not Applicable Certificate of Aut~orizationNo.

Not Applicable Signed

~-~---~

~5

~j~lj~

~

Date sjie

,20 07 Owner 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 Illinois and employed by HSB CT of Hartford, CT have inspected the components described in this Owners Report during the period

/JS. P7 to

.1 4/ p7

, and state that to the best of my knowledge and belief, the Owner has 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 neitherthe Inspector nor his employer makes any warranty, expressed or implied, concerning the examinations and corrective measures described in this Owners Report.

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

Commissions

/41- /4q5~(/

Inspectors Signature National Board, State Province, and Endorsements Date:

~

, 20 07 (Final)

7.

Description of Work REPLACE VALVE 2SX034 Test Temp.

67

°F Note: Supplemental sheets in form of lists, sketches, or drawings may be used, provided (1) size is 81/2in. 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 at the top of this form.

Document No.:

7.0 Revision No.:

0 FORM NIS-2 OWNERS REPORT FOR REPAIRJREPLACEMENT ACTIVITY As Required by the Provisions ofthe ASME Code Section XI 1.

Owner Exelon Nuclear Date 4/14/07 Name 4300 Winfield Road, Warrenville, IL Sheet 1

of 1

Address 2.

Plant Byron Nuclear Power Station Unit 02 Name 4450 N. German Church Road, Byron, IL Work Order No. 00836116

- 01 Address RepairOrganization, P.O. No., Job No., etc.

3.

Work Performed by Shaw/Stone & Webster Type Code Symbol Stamp Not Applicable Name Authorization No.

Not Applicable 36400 S. Essex Road, Wilmington, IL 60481 Expiration Date Not Applicable Address 4.

Identification of System ESSENTIAL SERVICE WATER ( SX) 5.

(a) Applicable Construction Code ASME Section III 1974 Edition, S75 Addenda, 1702, Code Case 1773 (b) Applicable Edition of Section XI Used for Repair/Replacement 2001 Edition / 2003 Addenda Activity (c)Section XI Code Case(s) NONE 6.

Identification of Components ASME Corrected, Code National Removed, or Stamped Name of Name of Manufacturer Board Other Year Installed (Yes or No)

Component Manufacturer Serial No.

No.

Identification Built Butterfly Valve Jamesbury ND-48858-20B N/A 2SX034 1978 REMOVED YES Butterfly Valve ENERTECH 11536 N/A 2SX034 2007 INSTALLED YES 8.

Test Conducted:

Hydrostatic

~

Pneumatic 0 0

Other ~

Pressure 102 psi Nominal Operating Pressure ~

Exempt

FORM NIS-2 (Back) 9.

Remarks Work Order No. 0083611601 Document No.: 7.0 Applicable Manutacturers Data Reports to be attached CERTIFICATE OF COMPLIANCE I certify that the statements made in the report are correct and this conforms to the requirements of the ASME Code, Section Xl.

Type Code Symbol Stamp Not Applicable Certificate of uthorization No.

Not Applicable Signed

~

~

.~

Date

~

, 20 07 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 HSB CT of Hartford, CT have inspected the components described in this Owners Report during the period to

, and state that to the best of my knowledge and belief, t e wner has 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 Owners 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.

~9~w Commissions _________________________

InspectorsSignature National Board, State Province, and Endorsements Date:

, 20 07

I Document No.:

7.1 Revision. No.:

0 FORM NIS-2 OWNERS REPORT FOR REPAIRS OR REPLACEMENTS As Required by the Provisions of the ASME Code Section Xi 1.

Owner Exelon Nuclear Date 4/14/07 Name 4300 Winfield Road, Warrenville, IL Sheet 1

of 1

Address 2.

Plant

~yron Nuclear Power Station Unit 02 Name 4450 N. German Church Road, Byron, IL Work Order No. 00836116 - 01 Address Repair Organization, P.O. No., Job No., etc.

3.

Work Performed by Shaw/Stone & Webster Type Code Symbol Stamp Not Applicable Name Authorization No.

Not Applicable 36400 S. Essex Road, Wilmington, IL 60481 Expiration Date Not Applicable Address 4.

Identification of System Essential Service Water [SXI 5.

(a)

Applicable Construction Code ASME Section III 1974 Edition, S75 Addenda, None Code Case (b)

Applicable Edition of Section Xl Used for Repair/Replacement Activity 2001 Edition / 2003 Addenda (c)

Section Xl Code Case(s)

NONE 6.

Identification of Components ASME Corrected, Code National Removed, or Stamped Name of Nameof Manufacturer Board Other Year Installed (Yes or No)

Component Manufacturer Serial No.

No.

Identification Built Bolt

, Stud 1 1/2 X 19 3/4 Texas Bolt Co.

Ht. Code: GT44 N/A 2SX034 Stud #2 1977 Removed No Bolt

, Stud 1 1/2 X 19 3/4 Nova Machine Products Ht. Code: 239162w Trace Code: 0C16 N/A 2SX034 Stud #2

2006 Installed No Bolt

, Stud 1 1/2X193/4 Texas Bolt Co.

Ht. Code: GT45 N/A 2SX034 Stud#18 1977 Removed No Bolt

, Stud 1 1/2 X 19 3/4 Nova Machine Products Ht. Code: 239162 Trace Code: OC16 N/A 2SX034 Stud #18 -

2006 Installed No Bolt

, Stud 1 1/2X73/4 Texas Bolt Co.

Ht. Code: GT44 N/A 2SX034 Stud #2A 1977 Removed No Bolt

, Stud 1 1/2 X 7 3/4 Nova Machine Products Ht. Code: 239162 Trace Code: 0C16 N/A 2SX034 Stud #2A

2006 Installed No Bolt, Stud 1 1/2X71/4 Texas Bolt Co.

Ht. Code: GT44 N/A 2SX034 Stud#31A 1977 Removed No Bolt

, Stud 1 1/2 X 7 1/4 Nova Machine Products Ht. Code: 239162 Trace Code: 0C16 N/A 2SX034 Stud #31A ~

2006 Installed No 7.

Description of Work REPLACE VALVE/PIPE FLANGE STUDS/NUTS

- 2SX034 8.

Test Conducted:

Hydrostatic

~

N/A Other D Pressure Pneumatic D 102 psi Nominal Operating Pressure ~

Test Temp.

67 Note: Supplemental sheets in form of lists, sketches, or drawings may be used, provided (1) size is 81/2in. 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 at the top of this form.

FORM NIS-2 (Back) 9.

Remarks Work Order No. 00836116-01 Applicable Manufacturers Data Reports to be attahed CERTIFICATE OF COMPLIANCE I certify that the statements made in the report are correct and this conforms to the requirements of the ASME Code, Section Xl.

Type Code Symbol Stamp Not Applicable Certificate of &uthorization No.

Not Applicable Signed

~$ivSç~__~

c24t2t~,4 Date

£~/z2..

20 07

~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 Illinois and employed by HSB CT of Ha5tford, CT have inspec)ed the components described in this Owners Report during the period to

, and state that to the best of my knowledge and belief, the cfwner has performC~ex&ninations 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 Owners Report.

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

Commissions Inspectors Signature National Board, State Province, and Endorsements Date:

~

~

,20 07 (Final)

DOCUMENT NO.:

6.1 REV. NO.:

0 FORM NIS-2 OWNERS REPORT FOR REPAIR/REPLACEMENT ACTIVITY As Required by the Provisions of the ASME Code Section Xl 1.

Owner Exelon Nuclear Date 4/18/07 Name 4300_Winfield Road, Warrenville, IL Sheet 1

of 1

Address 2.

Plant Byron Nuclear Power Station Unit 02 Name 4450 N. German Church Road, Byron, IL Work Order No. 00860234-01 Address Repair Organization, P.O. No., Job No., etc.

3.

Work Performed by Shaw/Stone & Webster Type Code Symbol Stamp Not Applicable Name Authorization No.

Not_Applicable 36400 S. Essex Road, Wilmington, IL 60481 Expiration Date Not Applicable Address 4.

Identification of System SX ESSENTIAL SERVICE WATER 5.

(a)

Applicable Construction Code ASME Section III 1974 Edition, S75 Addenda, N/A Code Case (b)

Applicable Edition of Section Xl Used for Repair/Replacement Activity 2001 Edition / 2003 Addenda (C)

Section Xl Code Case(s)

NONE 6.

Identification of Components ASME Corrected, Code National Removed, or Stamped Name of Nameof Manufacturer Board Other Year Installed (Yes or No)

Component Manufacturer Serial No.

No.

Identification Built 2Sx87A8

1. 29625 N/A s~~8~-i 1980 Removed YES 2SXB7A-8 Consolidated Power Supply HT# X22341 N/A 2SXB7A-8 2007 Installed NO 7.

Description of Work REPLACE APPROX. 14-8 OF 8 PIPE BETWEEN FIELD WELDS FW-2595 AND FW-2852 8.

Test Conducted:

Hydrostatic D Pneumatic fl Nominal Operating Pressure 0 Exempt0 Other 0 Pressure 53 psi Test Temp.

Note: Supplemental sheets in form of lists, sketches, or drawings may be used, provided (1) size is 81/2in. 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 at the top of this form.

FORM NIS-2 (Back) 9.

Remarks Work Order 00860234-01 Applicable Manufacturers Data Reports to be attached CERTIFICATE OF COMPLIANCE I certify that the statements made in the report are correct and this conforms to the requirements of the ASME Code,Section XI.

Type Code Symbol Stamp Not Applicable Certificate of Autt~rizationNo.

Not Applicable Signed

~E~Y%ç~

~

Date S/ic

,20 v~

(bw~~~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 Illinois and employed by HSB CT of Hartford, CT have inspe1çted the components described in this Owners Report during the period

/~46 to q~/~j~7

,and state that to the best of my knowledge and belief, the ner has 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 Owners Report.

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

Commissions

/%Z~J%51 Inspectors Signature National Board, State Province, and Endorsements Date:

/7

,20

~Y7

L DOCUMENT NO.:

6.1 REV. NO.:

0 I

FORM NIS-2 OWNERS REPORT FOR REPAIR/REPLACEMENT ACTIVITY As Required by the Provisions of the ASME Code Section Xl Owner Exelon Nuclear Name 4300 Winfield Road, Warrenvllle, IL Address 2.

Plant Byron Nuclear Power Station Name 4450 N. German Church Road, Byron, IL Address 3.

Work Performed by Shaw/Stone & Webster Name 364005. Essex Road, Wilmington, IL 60481 Address Date 04/16/07 Sheet 1

of 1

Unit 02 Work Order No. 00862605-01/16 Repair Organization, P.O. No., JOb No., etc.

Type Code Symbol Stamp Not Applicable Authorization No.

Not ApplIcable Expiration Date Not Applicable 4.

Identification of System SX-ESSENTIAL SERVICE WATER 5.

(a) Applicable Construction Code ASME Section III 1974 Edition, S75 Addenda, None Code Case (b) Applicable Edition of Section Xl Used for Repair/Replacement Activity 2001 Edition / 2003 Addenda (C)Section XI Code Case(s)

NONE 6.

Identification of Components 8.

Test Conducted:

Hydrostatic 0 Other 0 Pressure Pneumatic 0 Nominal Operating Pressure ~

78 psi Test Temp.

68.5 Exempt 0 Note: Supplemental sheets in form of lists, sketches, or drawings may be used, provided (1) size is 81/2 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 at the top of this form.

7.

Description of Work REPLACE APPROX. 50 OF 6 PIPE AND 90 DEG. ELBOWS (SEE REMARKS)

FORM NIS-2 (Back) 9.

Remarks 00862605-01/16 Applicable Manufacturers Data Heports to be attacneci Replace approximately 50 of 6 pipe and associated fittings at 3 separate locations on line 2SXA9A:

1)

Pipe (Spool SX-29-4 Partial Replacement) between FW520 and prior to 2SX71O1OR and Pipe and Elbow (Spool SX-29-5 Complete Replacement) between FW520 and FW521.

2)

Pipe (Spool SX-59-1A Partial Replacement) between FW2371 and first elbow shop weld east of pipe support 2SX71013R.

3)

Pipe (Spool SX-59-2A Partial Replacement) approximately 8-1/6 of horizontal pipe running north/south between two elbow shop welds.

CERTIFICATE OF COMPLIANCE I certify that the statements made in the report are correct and this conforms to the requirements of the ASME Code,Section XI.

Type Code Symbol Stamp Not Applicable Certificate of Auth~rizationNo.

Not Applicable Signed

~

~

(r9_

Date

, 20 07 Owne r 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 Illinois and employed by HSB CT of Hartford, CT have inspected the components described in this Owners Report during the period to

,and state that to the best of my knowledge and belief, the Owner has performed examinations and taken corrective measures described in this Owners Report in accordance with the requirements of the ASME Code, Section Xl.

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 Owners Report.

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

Commissions Inspectors Signature National Board, State Province, and Endorsements Date:

//

,20 07 (Final)

DOCUMENT NO.:

4A REV. NO.:

0 FORM NIS-2 OWNERS REPORT FOR REPAIR/REPLACEMENT ACTIVITY As Required by the Provisions of the ASME Code Section Xl 1.

Owner Exelon Nuclear Date 1/4/2007 Name 4300 Winfield Road, Warrenvllle, IL Sheet 1

of 2

Address 2.

Plant Byron Nuclear Power Station Unit 00 Name 4450 N. German Church Road, Byron, IL Work Order No. 00938349-02 Address Repair Organization, P.O. No., Job No., etc.

3.

Work Performed by Byron Mechanical Type Code Symbol Stamp Not Applicable Maintenance Name Authorization No.

Not Applicable 4450 N. German Church Road, Byron, IL Expiration Date Not Applicable Address 4.

Identification of System SX ESSENTIAL SERVICE WATER 5.

(a)

Applicable Construction Code ASME Section III 1974 Edition, S75 Addenda, N/A Code Case (b) Applicable Edition of Section XI Used for Repair/Replacement Activity: 2001 Editlon/2003 Addenda (c) Section Xl Code Case(s)

N/A 6.

Identification of Components ASME Corrected, Code National Removed, or Stamped Name of Nameof Manufacturer Board Other Year Installed (Yes orNo)

Component Manufacturer Serial No.

No.

Identification Built PIPE 2 SCHED 80 Chicago Tube &

Iron HT# 23438 MK: CB N/A OSX85AB SX-100-84-3 1980 REMOVED NO PIPE 2 SCHED 80 CONSOLIDATED POWER SUPPLY HT: A82900 N/A OSX85AB CAT ID 24507-1 2006 INSTALLED NO ELBOW 2 SCHED. 80 BONNEY FORGE LOT # M240 SX-100-84-3 N/A OSX85AB 1983 REMOVED NO ELBOW 2 SCHED. 80 CONSOLIDATED POWER SUPPLY LOT#: 76150 N/A OSX85AB CAT ID 47207-1 2006 INSTALLED NO 2 COUPLINGS (QTY2)

BONNEY FORGE BM35 N/A OSX85AB 1977 REMOVED NO THREADED ROD G&W TAYLOR FORGE HT# 20598 SX-100-84-3 N/A OSX85AB OFE-SX123 1978 REMOVED NO THREADED ROD NOVA MACHINE PRODUCTS HT#: 77091 HT#: 224938 N/A CAT ID 25042.1 2001 2004 INSTALLED NO NUT5/8-11 G&W TAYLOR FORGE HT# 6024521 SX-100-84-3 N/A OSX85AB OFE-SX123 1978 REMOVED NO NUT 5/8-11 NOVA MACHINE PRODUCTS HT#: 7220464 TRACE: K365 N/A CAT ID 37029-1 OSX85AB OFE-SX123 2004 INSTALLED NO 7.

Description of Work REPLACE PIPE SECTION AND FITTINGS. REPLACE BOLTING ON ORIFICE FLANGE. REPLACE U-BOLT & NUTS ON SUPPORT 1SX79007R. ORIFICE FLANGES TO BE REUSED 8.

Test Conducted:

Hydrostatic 0 Other 0 Pressure Pneumatic 0 148 psi Nominal Operating Pressure 0 Exempt 0 Test Temp.

45 Note: Supplemental sheets in form of lists, sketches, or drawings may be used, provided (1) size is 81/2in. 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 at the top of this form.

FORM NIS-2 (Back) 9.

Remarks WO# 00938349-02 Applicable Manufacturers Data Reports to be attached CERTIFICATE OF COMPLIANCE I certify that the statements made in the report are correct and this conforms to the requirements of the ASME Code, Section Xl.

Type Code Symbol Stamp Not Applicable Certificate ot~AuthorizationNo.

Not Applicable Signed

?~~C,,/p~Q~9._~

Date z/s-

,20 £7 Owners Designee, Title CERTIFICATE OF INSERVICE INSPECTION I, the undersigned, holding a valid commission issued bythe National Board of Boiler and Pressure Vessel Inspectors and the State or Province of Illinois and employed by HSB CT of Hartford, CT have inspected the components described in this Owners Report during the period to I4~47

, and state that to the best of my knowledge and belief, the Owner has performed 6xaminations 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 anywarranty, expressed or implied, concerning the examinations and corrective measures described in this Owners Report.

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

Commissions

,II~/J$~f Inspectors Signature National Board, State Province, and Endorsements Date:

________________,20

~,7

Name 4300 Winfield Road, Warrenville, IL FORM NIS-2 SUPPLEMENTAL SHEET 4.

Identification of System SX ESSENTIAL SERVICE WATER 5.

(a) Applicable Construction Code Section III 1974 Edition, S75 Addenda, None Code Case (b) Applicable Edition of Section Xl Utilized for Repairs or Replacement Components 2001 Ed/2003 Ad (c)Section XI Code Cases used, None 6.

Identification of Components Repaired or Replaced and Replacement Components ASME Corrected, Code National Removed, or Stamped Name of Name of Manufacturer Board Other Year Installed (Yes or No)

Component Manufacturer Serial No.

No.

Identification Built U-BOLT w/ Nuts ELCEN P/N A-000875 N/A 1 SX79007R 1980 REMOVED NO U-BOLT w/ Nuts BERGEN POWER PIPE SUPPORTS P/N TUS.020-SP P000411383 N/A CAT ID 24580-1 1SX79007R 2006 INSTALLED NO 1.

Owner Exelon Nuclear Date 1/4/2007 2.

3.

Address Plant Byron Nuclear Power Station Name 4450 N. German Church Road, Byron, IL Address Work Performed by Byron Mechanical Maintenance Name 4450 N. German Church Road, Byron, IL Address Sheet 2

of 2

Unit 0

Work Order No. 00938349-02 Repair Organization, P.O. No., Job No., etc.

Type Code Symbol Stamp Not ApplIcable Authorization No.

Expiration Date Not Applicable Not Applicable

I DOCUMENT NO.:

7.0 REV. NO.:

0 FORM NIS-2 OWNERS REPORT FOR REPAIR/REPLACEMENT ACTIVITY As Required by the Provisions of the ASME Code Section XI 1.

Owner Exelon Nuclear Date 3/30/07 Name 4300 Winfield Road, Warrenville, IL Sheet 1

of 1

Address 2.

Plant Byron Nuclear Power Station Unit 01 Name 4450 N. German Church Road, Byron, IL Work Order No. 00963779-01/19 Address Repair Organization, P.O. No., Job No., etc.

3.

Work Performed by Shaw/Stone & Webster Type Code Symbol Stamp Not Applicable Name Authorization No.

Not Applicable 36400 S. Essex Road, Wilmington, IL 60481 Expiration Date Not Applicable Address 4.

Identification of System SX(ESSENTIAL SERVICE WATER) 1986 Edition, 1987 Addenda (Valve) 1974 Edition, S74 Addenda (Support) 5.

(a)

Applicable Construction Code ASME Section III 19 74 Edition, S75 Addenda, N-249-1 Code Case thru 5 (b)

Applicable Edition of Section XI Used for Repair/Replacement Activity 2001 Edition / 2003 Addenda (c)Section XI Code Case(s)

NONE 6.

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

No.

Identification Built Installed (Yes or No)

Weldolet, 3 Outlet, Sch.

40, SA-234 WPB Consolidated Power Supply Ht#: 3433ANB N/A 1 SX1 1 B-3 2007 Installed NO Valve, Gate, 3, 150#,

SA-351 Gr. CF8M Flowserve S/N: BC427

~

N/A 1SX271B 2006 Installed YES Flange, 3 RFWN, 1 50#,

SA-105 Consolidated Power Supply.

Ht4t: 3M40774 N/A 1 SX1 1 B-3 2003 Installed NO Flange, 3 RFWN, 1 50#,

SA-1 05 Consolidated Power Supply Ht#: Si 324 N/A 1 SX1 18-3 2003 Installed NO Rod, Threaded, 5/8-11, SA-193Gr. 87 Nova Machine Products Ht: 230111

-~

Ht. Code: P514 N/A 1 SX1 1 B-3 2005 Installed NO Nut, Heavy Hex, (2 ea.)

5/8-11 SA-194 Gr.2H Nova Machine Products Ht: B87035

/

Ht#: B711 N/A 1SX11B-3 2001 Installed NO Nut, Heavy Hex, (6 ea.)

5/8.11 SA-194 Gr.2H Nova Machine Products Ht: B87035 Ht#: VCF N/A 1 SX1 1 B-3 2000 Installed NO Pipe, 3, SCH. 40 SA-106 Gr. B Consolidated Power Supply HT#D00103

N/A 1SX11B-3 2006 Installed NO Elbow, 3, 900, (4 ea.)

SA-234 Gr. WPB Consolidated Power Supply Ht#: SO68B1A N/A 1SX11B-3 2007 Installed NO U-Bolt, Pipe, 3/4 Rod X 3 Pipe, w/ Hex Nuts Bergen Power Pipe Supports Ht#: JB1214 ~

N/A 2SX43021G 2004 Installed NO Cap, Pipe, 3, Sch. 40, SA-234 Gr. WPB Consolidated Power Supply Ht#: S551A-17 N/A 1SX11B-3 2007 Removed NO 7.

Description of Work EC# 356162.

INSTALL ALTERNATE FLOW PATH TIE-IN FOR lB SX CUBICLE COOLER PER 8.

Test Conducted:

Hydrostatic 0 Pneumatic 0 Nominal Operating Pressure 0 Exempt 0 VT-3 Other 0 Pressure 110 / 12 psi Test Temp.

70 / 82 2F Note: Supplemental sheets in form of lists, sketches, or drawings may be used, provided (1) size Is 81/2 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 at the top of this form.

FORM NIS-2 (Back) 9.

Remarks 00963779-01/19 Applicable Manufacturers Data Heports to oe anacrlea Removed pipe cap was installed under parent alternate flow path Work Order 00973172-01 CERTIFICATE OF COMPLIANCE I certify that the statements made in the report are correct and this conforms to the requirements of the ASME Code,Section XI.

Type Code Symbol Stamp Not Applicable Certificate of ~thorization No.

Not Applicable Signed

~p.

~~rt

~

~

Date (~/I (

, 20 07 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 Illinois and employed by HSB CT of Har!~ord,CT have inspected the components described in this Owners Report during the period to

,and state that to the best of my knowledge and belief, t}~eOwner has 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 Owners Report.

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

Commissions

,~,..

/%gC/

Inspectors Signature National Board, State Province, and Endorsements Date:

~

o~P

,20 07 (Final)

I DOCUW1ENTNO.:

7.0 REV. NO.:

0 FORM NIS-2 OWNERS REPORT FOR REPAIR/REPLACEMENT ACTiVITY As Required by the Provisions of the ASME Code Section XI 1.

Owner Exelon Nuclear 2.

Name 4300 Winfield Road. Warrenville, IL 3.

Work Performed by Shaw/Stone & Webster 36400 S. Essex Road, Wilmington, IL 60481 Date 3/15/07 Unit 01 1

Work Order No. 00973172-01 Repair Organization, P.O. No., Job No., etc.

Type Code Symbol Stamp Not Applicable Authorization No.

Not Applicable Expiration Date Not Applicable 4.

identification of System SX (ESSENTIAL SERVICE WATER) 5.

(a)

Applicable Construction Code ASME Section Ill (b)

Applicable Edition of Section Xl Used for Repair/Replacement Activity (c)

Section XI Code Case(s)

NONE 6.

Identification of Components 7.

Description of Work INSTALL PIPING, FITTINGS, VALVE, AND PIPE SUPPORT PER EC# 361557 8.

Test Conducted:

Hydrostatic 0 VT-3 Other 0 Pressure Pneumatic 0 103 psi Nominal Operating Pressure ~

Exempt 0 Test Temp.

70 Note: Supplemental sheets in form of lists, sketches, or drawings may be used, provided (1) size is 81/2in. 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 at the top of this form.

Address Plant Byron Nuclear Power Station Name 4450 N. German Church Road, Byron, Address IL Sheet of 1

Name Address 1986 Edition, 1987 Addenda (Valve) 1974 Edition, S75 Addenda, None Code Case 2001 Edition / 2003 Addenda Nameof Component Name of Manufacturer Manufacturer Serial No.

National Board No.

Other Identification Year Built Corrected, Removed, or Installed ASME Code Stamped (Yes or No)

Pipe, 3(6-3/4)

Southwest Fabricating 20391 N/A 1SXB1AB-3 1979 Removed YES Valve, Gate, 3, 1 50#

Flowserve S/N: BC426 N/A 1SX275B 2006 Installed YES Pipe, Seamless, 3 Consolidated Power Supply

.s Ht#: D00103 N/A 1SX11B-3 2006 Installed NO Elbow, Pipe, 90°,3 Consolidated Power Supply I

Ht#: SO68B1A N/A 1SX1 1B-3 2007 Installed NO Tee, Pipe 3 x 3 x 3 Consolidated Power Supply Ht#: P347G I N/A 1SXB1AB-3 1 SX1 18-3 2007 Installed NO Cap, Pipe, 3 Consolidated Power Supply

Ht#: S551A-17 N/A 1SX11B-3 2007 Installed NO U-Bolt, Special with Nuts Bergen Power Pipe Supports Ht#: 24993 Ht#: 220642 N/A 2SX43022T 2007 Installed NO

FORM NIS-2 (Back) 9.

Remarks 00973172-01 Applicable Manufacturers Data Heports to be attached CERTIFICATE OF COMPLIANCE I certify that the statements made in the report are correct and this conforms to the requirements of the ASME Code,Section XI.

Type Code Symbol Stamp Not Applicable Certificate ot~AuthorizationNo.

Not Applicable Signed

~

i1!*3.

~

(ji~~~J Date 4/7

, 20 07 co~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 Illinois and employed by HSB CT of Hartford, CT have inspected the components described in this Owners Report during the period to

,and state that to the best of my knowledge and belief, the Owner has performe examinations and taken corrective measures described in this Owners Report in accordance with the requirements of the ASME Code, Section Xl.

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 Owners Report.

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

Commissions Inspectors Signature National Board, State Province, and Endorsements Date:

7

, 20 07 (Final)

I DOCUMENT NO.:

7.1 REV. NO.:

0 FORM NIS-2 OWNERS REPORT FOR REPAIR/REPLACEMENT ACTIVITY As Required by the Provisions of the ASME Code Section Xi 1.

Owner Exelon Nuclear Date 03/15/07 Name 4300 Winfield Road, Warrenville, IL Sheet 1

of 1

Address 2.

Plant Byron Nuclear Power Station Unit 02 Name 4450 N. German Church Road, Byron, IL Work Order No. 00973172-01 Address Repair Organization, P.O. No., Job No., etc.

3.

Work Performed by Shaw/Stone & Webster Type Code Symbol Stamp Not Applicable Name Authorization No.

Not Applicable 36400 S. Essex Road, Wilmington, IL 60481 Expiration Date Not Applicable Address 4.

Identification of System SX (ESSENTIAL SERVICE WATER) 5.

(a)

Applicable Construction Code ASME Section III 1974 Edition, S74 Addenda, None Code Case (b)

Applicable Edition of Section Xl Used for Repair/Replacement Activity 2001 Edition / 2003 Addenda (c)

Section XI Code Case(s)

NONE 6.

Identification of Components ASME Corrected, Code National Removed, or Stamped Name of Name of Manufacturer Board Other Year Installed (Yes or No)

Component Manufacturer Serial No.

No.

Identification Built 2EA. Bolting, 1/2 for Fig. 212N ITT Grinnell N/A N/A 2SX43002R FIG. 212N CLAMP 1979 Removed NO 2EA. Nut, 1/2 For Fig. 212N ITT Grinnell N/A N/A 2SX43002R FIG. 212N CLAMP 1979 Removed NO 2EA. Nut, Jam, 1/2 For Fig. 212N ITT Grinnell N/A N/A 2SX43002R FIG. 212N CLAMP 1979 Removed NO 2EA. Nut, Heavy Hex, SA194 2H, 1/2 13 Nova Machine Products

Ht#: 887035 N/A 2SX43002R CAT ID 37027 2007 Installed NO 2EA. Nut, Hex, Jam, SAl 94 2H 1/2-13 Nova Machine Products 0

Ht#: DQS N/A 2SX43002R CAT ID 36995 1992 Installed NO lEA. Screw, Heavy Hex, 1/2X 2-1/2 Lg.,

SAl 93 87 Nova Machine Products

Ht#: US Y06420 N/A 2SX43002R CAT ID 23093 2003 Installed NO lEA. Screw, Heavy Hex, 1/2X 3 Lg.,

SA193 B7 Nova Machine Products Ht#: US Y06420 N/A 2SX43002R CAT ID 23225 2003 Installed NO 7.

Description of Work REPLACE CLAMP BOLTING FOR SUPPORT 2SX43002R 8.

Test Conducted:

Hydrostatic 0 VT-3 Other 0 Pressure Pneumatic 0 N/A psi Nominal Operating Pressure 0 Exempt 0 Test Temp.

N/A Note: Supplemental sheets in form of lists, sketches, or drawings may be used, provided (1) size is 81/2in. 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 at the top of this form.

FORM NIS-2 (Back) 9.

Remarks 00973172-01 Applicable Manufacturers Data Reports to be attached CERTIFICATE OF COMPLIANCE I certify that the statements made in the report are correct and this conforms to the requirements of the ASME Code,Section XI.

Type Code Symbol Stamp Not Applicable Certificate of ~thorization No.

Not Applicable Signed

~

~Q~Q Date

,20 07

~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 Illinois and employed by HSB CT of Hartford, CT have ins ec~dthe components described in this Owners Report during the period to

,and state that to the best of my knowledge and belief, the O~nerhas performed ex~minationsand 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 Owners 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

/iL-

~

Inspectors Signature National Board, State Province, and Endorsements Date:

~

7

,20 07 (Final)

DOCUMENT NO.:

4.1 REV. NO.:

0 FORM NIS-2 OWNERS REPORT FOR REPAIR/REPLACEMENT ACTIVITY As Required by the Provisions of the ASME Code Section XI Owner Exelon Nuclear Date 04/11/07 Name 4300 Winfieid Road, Warrenville, IL Sheet I

of 1

Address Plant Byron Nuclear Power Station Unit 02 Name 4450 N. German Church Road, Byron, IL Work Order No. 97098856-01 Address Repair Organization, P.O. No., Job No., etc.

Work Performed by SHAW/STONE & WEBSTER Type Code Symbol Stamp Not Applicable Name Authorization No.

Not Applicable 36400 S. Essex Road, Wilmington, IL 60481 Expiration Date Not Appiicable Address Identification of System ESSENTIAL SERVICE WATER(SX)

Applicable Construction Code ASME Section ill 19 74 Edition, S75 Addenda, 1702, 1773 Code Case Applicable Edition of Section XI Used for Repair/Replacement Activity 2001 Edition / 2003 Addenda Section Xl Code Case(s)

NONE Identification of Components ASME Corrected, Code National Removed, or Stamped of Name of Manufacturer Board Other Year Installed (Yes or No)

Component Manufacturer Serial No.

No.

Identification Built VALVE JAMESBURY ND48858-20A N/A 2SX033 1978 REMOVED YES VALVE ENERTECH 11535 N/A 2SX033 2007 INSTALLED YES 7.

Description of Work REPLACE BUTTERFLY VALVE 2SX033 8.

Test Conducted:

Hydrostatic 0

Other 0 Pressure Pneumatic 0 Nominal Operating Pressure 0 90 psi Test Temp.

67 Note: Supplemental sheets in form of lists, sketches, or drawings maybe used, provided (1) size is 81/2in. 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 at the top of this form.

Exempt0

FORM NIS-2 (Back) 9.

Remarks 97098856-01 Applicable Manufacturers Data Reports to be attached CERTIFICATE OF COMPLIANCE I certify that the statements made in the report are correct and this conforms to the requirements of the ASME Code, Section Xl.

Type Code Symbol Stamp Not Applicable Certificate of Au~orizatio~jJo.

Not Applicable Signed

~

J)

~4&~ c~~~A Date

,20 ~?

Owner r 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 Illinois and employed by HSB CT of Hartford, CT have inspected the components described in this Owners Report during the period 3,,. #7 to c./$.~7

, and state that to the best of my knowledge and belief, the Owner has 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 neitherthe Inspector nor his employer makes any warranty, expressed or implied, concerning the examinations and corrective measures described in this Owners Report.

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

Commissions

/~4(4.jjj4 Inspectors Signature National Board, State Province, and Endorsements Date:

,20 97 (Final)

I DOCUMENT NO.:

4.1 REV. NO.:

0 FORM NIS-2 OWNERS REPORT FOR REPAIR/REPLACEMENT ACTIVITY As Required by the Provisions of the ASME Code Section Xl 1.

Owner Exelon Nuclear Date 04/11/07 Name 4300 Wlnfield Road, Warrenville, IL Sheet 1

of 1

Address 2.

Plant Byron Nuclear Power Station Unit 02 Name 4450 N. German Church Road, Byron, IL Work Order No. 97098856-01 Address Repair Organization, P.O. No., Job No., etc.

3.

Work Performed by SHAW/STONE & WEBSTER Type Code Symbol Stamp Not Applicable Name Authorization No.

Not Applicable 36400 S. Essex Road, Wilmington, IL 60481 Expiration Date Not Applicable Address 4.

Identification of System ESSENTIAL SERVICE WATER(SX) 5.

(a)

Applicable Construction Code ASME Section III 19 74 Edition, S75 Addenda, NONE Code Case (b)

Applicable Edition of Section XI Used for Repair/Replacement Activity 2001 Edition/ 2003 Addenda (c)

Section Xl Code Case(s)

NONE 6.

Identification of Components ASME corrected, Code National Removed, or Stamped Name of Nameof Manufacturer Board Other Year Installed (Yes or No) component Manufacturer Serial No.

No.

Identification Built Bolt

, Stud 1 1/2 X 19 3/4 Texas Bolt Company HT: 90295 Trace: GT45 N/A 2SX033

~15 1977 R

ed emov No Nova Machine N/A 2SX033 2005 Installed No Bolt

, Stud 1 1/2 X 7 3/4w Texas Bolt Company HT: 90295 Trace: GT45 N A

2SX033

~15A 1977 Removed No Bolt

, Stud Nova Machine Ce5~4 N/A 2SX033 2005 Installed No 7.

Description of Work REPLACEMENT 8.

Test Conducted:

Hydrostatic 0

Note: Supplemental sheets inform of lists, sketches, or drawings may be used, provided (1) size is 81/2in. 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 at the top of this form.

REPLACE TWO FLANGE STUDS IN SUPPORT OF VALVE 2SX033 VALVE Other 0 Pressure Pneumatic 0 Nominal Operating Pressure ~

Exempt 0 90 psi Test Temp.

67

FORM NIS-2 (Back) 9.

Remarks 97098856-01 Applicable Manufacturers Data~R~rts to be~tt~chéd CERTIFICATE OF COMPLIANCE I certify that the statements made in the report are correct and this conforms to the requirements of the ASME Code, Section Xl.

Type Code Symbol Stamp Not Applicable Certificate of Au~orizationNo.

Not Applicable Signed a-.,

~

Date

.s/,g

,20 ci r 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 Illinois and employed by HSB CT of Hartford, CT have inspected the components described in this Owners Report during the period

~

~4.

to

~,,sf. #7

,and state that to the best of my knowledge and belief, the Owner has performed examinations and taken corrective measures described in this Owners Report in accordance with the requirements of the ASME Code, Section Xl.

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 Owners Report.

Furthermore, neither the Inspector nor his employer shall be liable in any manner for any personal Commissions

/4I- /f.5~1 injuryor~pe~am~goralossof any kind arising from or connected with this inspection.

National Board, State Province, and Endorsements Date:

,20

~~27 (Final)

DOCUMENT NO.:

7.0 REV. NO.:

0 FORM NIS-2 OWNERS REPORT FOR REPAIR/REPLACEMENT ACTIVITY As Required by the Provisions of the ASME Code Section Xl Owner Exelon Nuclear Date 4/14/07 Name 4300 Winfield Road, Warrenville, IL Sheet 1

of 2

Address Plant Byron Nuclear Power Station Unit 02 Name 4450 N. German Church Road, Byron, IL Work Order No, 99217319-01 Address Repair Organization, P.O. No., Job No., etc.

Work Performed by Shaw/Stone & Webster Type Code Symbol Stamp Not Applicable Name Authorization No.

Not Applicable 36400 S. Essex Road, Wilmington, IL 60481 Expiration Date Not Applicable Address Identification of System ESSENTIAL SERVICE WATER 1977 Edition W78 (Valve)

Applicable Construction Code ASME Section III 1974 Edition, S75 Addenda, None Code Case Applicable Edition of Section Xl Used for Repair/Replacement Activity 2001 Edition/ 2003 Addenda Section Xl Code Case(s)

NONE Identification of Components ASME Corrected, Code National Removed, or Stamped of Name of Manufacturer Board Other Year Installed (Yes or No)

Manufacturer Serial No.

No.

Identification Built Ladish Co.

FLG.

RT2T Ht#: 6018347 N/A 2SX98BA 1983 Removed No Consolidate FLG.

Power Supply Ht#: S 1324 N/A CAT ID # 25020 2SX98BA 2003 Installed No SWAGE Chicago Tube

& Iron D20 Ht#:N53110 N/A 2SX98BA 1983 Removed No SWAGE Consolidate Power Supply Ht#: 2542ANB N/A CAT ID # ~

2SX98BA 2004 Installed No S.W. 90 Bonney Forge ELBOW (2)

Lot#: M240 N/A 2SX98BA 1977 Removed No S.W. 90 Consolidate ELBOW (2)

Power Supply Lot#: 76259 N/A CAT ID # 47207 2SX98BA 2006 Installed No Gulf States 80 PIPE Tube Div Ht. Code: AA N/A 2SX98BA 1977 Removed No Consolidate 80 PIPE Power Supply HT: A82900 N/A CAT ID # 24507 2SX98BA 2006 Installed No 7.

Description of Work REPLACED PIPE, FITTINGS. AND VALVE 2SX2185B.

8.

Test Conducted:

Hydrostatic 0

Other 0 Pressure Pneumatic 0 Nominal Operating Pressure 0 78 psi Test Temp.

72 Note: Supplemental sheets in form of lists, sketches, or drawings may be used, provided (1) size is 81/2in. 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 at the top of this form.

Exempt 0

FORM NIS-2 (Back) 9.

Remarks Work Order No. 99217319-01 ____________________

Applicable Manufacturers Data Reports to be attached Replaced portion of pipe spool S-SX-100-101-1 from flange to FW4017 excluding valve 2SX2185A.

Replaced portion of pipe spool S-SX-100-101-2 from flange to FW4019 Including valve 2SX2185B.

CERTiFICATE OF COMPLIANCE I certify that the statements made in the report are correct and this conforms to the requirements of the ASME Code,Section XI.

Type Code Symbol Stamp Not Applicable Certificate of A~thorizationNo.

Not Applicable Signed

~

~

.~

Date 20 07 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 Illinois and employed by HSB CT of Hartford, CT have ~psp,cted the components described in this Owners Report during the period to

, and state that to the best of my knowledge and belief, ttfe dwner has performód examinations and taken corrective measures described in this Owners Report in accordance with the requirements of the ASME Code, Section Xl.

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 Owners Report.

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

Commissions

~LA j~5((

Inspectors Signature National Board, State Province, and Endorsements Date:

%t~c/7

,20 07

FORM NIS-2 SUPPLEMENTAL SHEET 1.

Owner Exelon Nuclear Date 4/14/07 Name 4300 Winfield Road, Warrenville, IL Sheet 2

of 2

Address 2.

Plant Byron Nuclear Power Station Unit 02 Name 4450 N. German Church Road, Byron, IL Work Order No. 99217319-01 Address Repair Organization, P.O. No., Job No., etc.

3.

Work Performed by Shaw/Stone & Webster Type Code Symbol Stamp Not Applicable Name Authorization No.

Not Applicable 36400 S. Essex Road, Wilmington, IL 60481 Expiration Date Not Applicable Address 4.

Identification of System ESSENTIAL SERVICE WATER 1977 Edition W78 (Valve) 5.

(a)

Applicable Construction Code ASME Section Ill 1974 Edition, S75 Addenda, None Code Case (b)

Applicable Edition of Section Xl Used for Repair/Replacement Activity 2001 Edition / 2003 Addenda (c)

Section XI Code Case(s)

NONE 6.

Identification of Components Name of Component Name of Manufacturer Manufacturer Serial No.

National Board No.

Other Identification Year Built Corrected, Removed, or Installed ASME Code Stamped (Yes or No) 3, 1 5OLB, W.N.R.F. FLG.

Ladish Co.

RT2T Ht#: 6018347 N/A 2SX98BB 1983 Removed No 3, 1 5OLB, W.N.R.F. FLG.

Consolidate Power Supply Ht#: Si 324

N/A CAT ID # 25020 2SX98BB 2003 Installed No 3 X 2 SWAGE NIPPLE Chicago Tube

& Iron 020 Ht#: N53110 N/A 2SX98BB 1983 Removed No 3 X 2 SWAGE NIPPLE Consolidate Power Supply Ht#: 2542ANB N/A CAT ID # 43064 2SX98BB 2004 Installed No 2 3000#, S.W. 90 DEG. ELBOW (2)

Bonney Forge Lot#: M240 N/A 2SX98BB 1977 Removed No 2 3000#, S.W. 90 DEG. ELBOW (2L Consolidate Power Supply Lot#: 76259 -

N/A CAT ID # 47207 2SX98BB 2006 Installed No 2 SCH. 80 PIPE Gulf States Tube Div Ht. Code: AA N/A 2SX98BB 1977 Removed No 2 SCH. 80 PIPE Consolidate Power Supply HT: A82900 N/A CAT ID # 24507 2SX98BB 2006 Installed No 2, 150 LB. BALL VALVE ITT GrinneD 80-52894-5-91 N/A 2SX2185B 1981 Removed Yes 2, 150 LB. BALL VALVE ITT Grinnell 733744-001-002 N/A CAT ID# 1393954 2SX2185B 2004 Installed Yes (Final)

DOCUMENT NO.:

7.0 REV. NO.:

0 FORM NIS-2 OWNERS REPORT FOR REPAIR/REPLACEMENT ACTIVITY As Required by the Provisions of the ASME Code Section XI Owner Exelon Nuclear Date 4/14/07 Name 4300 Winfield Road, Warrenville, IL Sheet 1

of 2

Address Plant Byron Nuclear Power Station Unit 02 Name 4450 N. German Church Road, Byron, IL Work Order No. 99217322-01/02 Address Repair Organization, P.O. No., Job No., etc.

Work Performed by Shaw/Stone & Webster Type Code Symbol Stamp Not Applicable Name Authorization No.

Not Applicable 36400 S. Essex Road, Wilmington, IL 60481 Expiration Date Not Applicable Address Identification of System ESSENTIAL SERVICE WATER Applicable Construction Code ASME Section Ill 1974 Edition, S75 Addenda, None Code Case Applicable Edition of Section Xl Used for Repair/Replacement Activity 2001 Edition / 2003 Addenda Section XI Code Case(s)

NONE Identification of Components ASME Corrected, Code National Removed, or Stamped of Nameof Manufacturer Board Other Year Installed (Yes orNo)

Component Manufacturer Serial No.

No.

Identification Built Ladish Co.

FLG.

RT2T HT: 6018347 N/A 2SXC4AA 1983 Removed No Consolidated FLG.

Power Supply Ht#: 3M40774 N/A CAT ID # 25020 2SXC4A.A 2003 Installed No SWAGE Chicago Tube

& Iron D20 HT: N53110 N/A 2SXC4AA 1983 Removed No SWAGE Consolidated Power Supply Ht#: 2542ANB N/A CAT ID # 43064 2SXC4AA 2004 Installed No S.W. 90 Bonney Forge ELBOW (3)

M240 N/A 2SXC4AA 1977 Removed No S.W. 90 Consolidated ELBOW Power Supply HT: 49870 Lot#: 76150 N/A CAT ID # 47207 2SXC4AA 2007 Installed No Gulf States 80 PIPE Tube Div AA N/A 2SXC4AA 1977 Removed No Consolidated 80 PIPE Power Supply Ht#: A82900 N/A CAT ID #24507 2SXC4AA 2006 Installed No 7.

Description of Work REPLACED PIPING AND FITTINGS 8.

Test Conducted:

Hydrostatic 0

Other 0 Pressure Pneumatic 0 78 psi Nominal Operating Pressure ~

Exempt0 Test Temp.

68 Note: Supplemental sheets in form of lists, sketches, or drawings may be used, provided (1) size is 81/2in. 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 at the top of this form.

FORM NIS-2 (Back) 9.

Remarks Work Order No. 99217322-01 Applicable Manufacturers Data Reports to be attached REPLACED PIPE SPOOLS S-SX-100-100-2A, S-SX-100-100-3, AND S-SX-100-100-6 IN THEIR ENTIRETY.

REPLACED PIPE SPOOL S-SX-100-100-4A FROM FW4006 TO VALVE 2SX2167A.

• • ORIGINAL VALVES 2SX2167A AND 2SX2167B WERE REINSTALLED.

CERTiFICATE OF COMPLIANCE I certify that the statements made in the report are correct and this conforms to the requirements of the ASME Code, Section Xl.

Type Code Symbol Stamp Not Applicable Certificate of Au~orizationNo.

Not Applicable Signed 1)ç\\~ ~/4~Y~

~

(~4~.k Date 5/17

,20 07 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 Illinois and employed by HSB CT of Hartford, CT have inspected the components described in this Owners Report during the period to 7

, and state that to the best of my knowledge and belief, tI~ci~wnerhas perform~JeIaminations 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 Owners Report.

Furthermore, neither the Inspector nor his employer shall be liable in any manner for any personal injury or property dam3ge or a loss of any kind arising from or connected with this inspection.

Commissions

~

,j~,-4 Inspectors Signature National Board, State Province, and Endorsements Date:

~

/7

,20 07

FORM NIS-2 SUPPLEMENTAL SHEET 1.

Owner Exelon Nuclear Date 4/14/07 Name 4300 Winfield Road, Warrenville, IL Sheet 2

of 2

Address 2.

Plant Byron Nuclear Power Station Unit 02 Name 4450 N. German Church Road, Byron, IL Work Order No. 99217322-01/02 Address Repair Organization, P.O. No., Job No., etc.

3.

Work Performed by Shaw/Stone & Webster Type Code Symbol Stamp Not Applicable Name Authorization No.

Not Applicable 36400 S. Essex Road, Wilmington, IL 60481 Expiration Date Not Applicable Address 4.

Identification of System ESSENTIAL SERVICE WATER 5.

(a)

Applicable Construction Code ASME Section III 1974 Edition, S75 Addenda, NOne Code Case (b)

Applicable Edition of Section Xl Used for Repair/Replacement Activity 2001 Edition / 2003 Addenda (c)

Section Xl Code Case(s)

NONE 6.

Identification of Components Nameof Component Nameof Manufacturer Manufacturer Serial No.

National Board No.

Other Identification Year Built Corrected, Removed, or Installed ASME Code Stamped (Yes or No) 3, 15OLB, W.N.R.F. FLG.

Ladish Co.

RT2T HT: 6018347 N/A 2SXC4AB 1983 Removed No 3, 1 5OLB, W.N.R.F. FLG.

Consolidated Power Supply Ht#: 3M40774 N/A CAT ID # 25020 2SXC4AB 2003 Installed No 3 X 2 SWAGE NIPPLE Chicago Tube

& Iron D20 HT: N53110 N/A 2SXC4AB 1983 Removed No 3 X 2 SWAGE NIPPLE Consolidated Power Supply Ht#: 2542ANB N/A CAT ID # 43064 2SXC4AB 2004 Installed No 2 3000#, S.W. 90 DEG. ELBOW (3)

Bonney Forge M240 N/A

~

2SXC4AB 1977 Removed No 23000#, S.W. 90 DEG. ELBOW Consolidated Power Supply HT: 49870 Lot#: 76150 N/A CAT ID # 47207 2SXC4AB 2007 Installed No 2 SCH. 80 PIPE Gulf States Tube Div AA N/A 2SXC4AB 1977 Removed No 2 SCH. 80 PIPE Consolidated Power Supply Ht#: A82900 N/A CAT ID # 24507 2SXC4AB 2006 Installed No (Final)

1 FORM NIS-2 OWNERS REPORT FOR REPAIR/REPLACEMENT ACTiVITY As Required by the Provisions of the ASME Code Section XI Name 4300 Winfleld Road. Warrenville, IL Type Code Symbol Stamp NR Authorization No.

Expiration Date 4.

Identification of System Essential ServIce Water (SX] Spare Valve 5.

(a)

Applicable Construction Code ASME Section III 1974 Edition, W75 Addenda, None Code Case (b)

Applicable Edition of Section XI Used for Repair/Replacement Activity: 2001 Edition/2003 Addenda (c)

Section XI Code Case(s)

NONE 6.

Identification of Components Nameof Component Name of Manufacturer Manufacturer Serial No.

National Board No.

Other Identification Year Built Corrected, Removed, or Installed ASME Code Stamped (Yes or No) 36 Swing Check Valve Body Anderson Greenwood HT: 216236, Code: TPUL N04-2456-001 n/a Cat. ID: 1034815-1 Vlv S/N: A130 1978 Corrected Yes 36~Swing Check Valve Disc Anderson Greenwood HT: 92577 Code: 77CI N04-2457-01 0 n/a Cat. ID: 1034815-1 Vlv S/N: A130 1978 Corrected No Hinge Pin Bushing (2)

Anderson Greenwood HT: 615158~

Code: 77CU N04-2461 -001 n/a Cat. ID: 1034815-1 VIv S/N: A130 1978 Removed Nb Hinge Pin Bushing Anderson Greenwood HT: 8998577...

Code: B797 n/a Cat. ID: 1034815-1 VIv S/N: A130 1978 Installed No Hinge Pin Bushing Anderson Greenwood HT: 8998577 Code: B718 n/a Cat. ID: 1034815-1 Vlv S/N: A130 1978 Installed No 7.

Description of Work:

Machine Valve Body Seating Area. Machine and Weld Repair Valve Disc. Replace Hinge Pin Bushings 8.

Test Conducted:

Hydrostatic Z Pneumatic 0 Nominal Operating Pressure 0 Exempt 0 Note: Supplemental sheets in form of lists, sketches, or drawings may be used, provided (1) size is 81/2in. xli 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 at the top of this form.

1.

Owner Exelon Nuclear 2.

3.

Date 06/29/06 Sheet

Unit 0

1 of 1

Address Plant Byron Nuclear Power Station Name 4450 N. German Church Road, Byron, IL Address Work Performed by Anderson Greenwood Crosby Name 43 Kendrlck St. Wrentham, MA 02093 Address Purchase Order No. 00403603 Repair Organization, P.O. No., Job No., etc.

NR-68 12/11/06 Other 0 Pressure 425 psi Test Temp.

Ambient

~F

FORM NIS-2 (Back) 9.

Remarks Purchase Order No. 00403603 Applicable Manufacturers Data Heports to be attached CERTIFICATE OF COMPLIANCE I certify that the statements made in the report are correct and this conforms to the requirements of the ASME Code,Section XI.

Type Code Symbol Stamp Not ApplIcable Certificate of Aut~orizationNo.

Not ApplIcable Signed

~

C~~c~L Date

,20 ~7 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 IllInoIs and employed by HSB CT of Hartford, CT have inspected the components described in this Owners Report during the period to

, and state that to the best of my knowledge and belief, thiO~,nerhas pertormá 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 Owners 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

~

/X5~

Inspectors Signature National Board, State Province, and Endorsements Date:

Jd/1.

,20 ~

(Final)

17-Nov-a4

~ Co,~QCr~D C.opyl QC-435, Rev. B Sheet 1 of 2 FRM NR-1 REPORT OF I~E~PAIR[jJ, MOD

CA11ONEJ, OR 1NSTALLATIOf~OF TO NUCLEAR COMPONENTSAND SYSTEMS IN NUCLEAR POWER PLANTS 1.

Work performed by ANDERSON GREENWOOD CROSBY 00403603 REV. 3 (name of NR certificateholder)

(P0 NO., lob No., etc.)

43 KENDRICK ST., WRBNTHAM, MA 02093 (address) 2.

Owner EXELON GENERATION (name)

(address) 4450 NORTH GERMAN CHURCH ROAD 3.

Name, address and identification of tuiclear power plant BYRON NUCLEAR STATION~BYRON IL.

4.

System COOLING 5a.

Items Which Required Repair, Modification, orReplacement Activities Identification Con~ructionCode Activity No.

Type of Item lvffg.

Name Mfg.

Serial No.

NatI Bd.

No.

Juris.

No~

Other Year Built Name/

Section/

Division E+/-tion~

Addenda Code Case(s)

Code Class Repair!

Mod!

Replace 1

36 CHECK Anderson A130 N/A N/A N/A 1978 ASME SEC. 1974 Editios N/A 3

RepaIr!

2 VALVE Greenwood

m w~~i~l~ni 3

,~

4 6

7 8

9 0

I 2

Sb.

Items Installed During Replacement Activities Identification

Construction Code

Installedor Type of Replaced Mfg.

Mfg.

Natl Bd.

Jurls.

Year Secdon/

Edition!

Code Code Item 5a Item No.

Name Serial No.

No.

No.

Other Built Division Addizul~

Case(s)

Class Hinge Pin N/A Anderson N04-2461-001 N/A N/A N/A 1978 ASME SEC 1974 EditIon N/A 3

Bwhings Greenwood B797-(~-pes~~

III W75 Addend

,~ND61IS

~

(?-NOy-~ ~

~

~

~

6.

ASME Code Section XI appplicable for inservice inspection:

2001 EDITION 2003 ADDENDA 7.

ASME CodeSection XI used for repairs, modification, orreplacements:

2001 EDITION 2003 ADDENDA 8.

Construction Code used for repairs, modifications, or replacmenfs:

1974 EDiTION W1975 ADDENDA 9.

Design responsibilities ANDE1~SONGREENWOOD in Ti~~t~

,nnrhutpcl.

1t~

~

fl,i~.,,..

~

f~~SA~~

Pd! A

QC-435, Rev. B Sheet 2 of 2

11. DescriptIon ofwork (use of property identified additiopalsheet(s) or sketcl~es)is acceptable)

The v~lvewas disassembled and the body seat re-machii~land lapped. The disc was remachined anda stainless steel seat inlayed

(~e1dpackageprovided ta customer). machined and lapped. The hinge pin bushings were replaced withcustomer supplied parts and the valve was reassembled for testing. Ahydrostatic test and seatleakage test was performed. A repair tag was attached and~

pgckaged forreturn shipment.

12. Remarka NONE CERTIFICATE OF COMPLIANCE I, ~Thf~iIfl~ 1~Ti7i.~

certify that to the best of my knowledge and beliefthe statements made In this report are correct and the repair, modification or replacement activities described above conform to Section XI of the ASME Code and the National BoaniInspection Code NR rules.

National Board Certificate of Authorization No.

NR-68 to use the NR stamp expires December 11. 2006 NR Certificate Holder ANDERSON GREENWOOD CROSBY (name)

Date ~

- -ThAI - C(~~

Signed

~

Cb4 i4C~d~-~

(authorized representative)

(title)

CERTIFICATE OF INSPECTION i, 112J. ~~t holding a valid commission issuedby The National Board of Boiler and Pressure Ves-sel Inspectors ficate of competency issued by the jurisdictionof Massachusetts and employed by HSB - Cl of Hartford, CF have inspected the repair, modificationor replacement described in this report on 6.~.,27 ~

and state that to the best of ~nyknowledge and belief, this repair, modification or replacement activity has been completed in accordance ~ th Section XIof the ASME Code and the National BoardInspection NR rules.

By signing this certificate, neither the undersigned normy employer makes any warranty, expressed or implied, concerning the work describedinthis report. Furthermore, neither the undersigned normy employer shall be liable in any manner for any personal injury, property damage or a loss of

~ii~

from or coimected with this inspection.

Date 7,2~

Signed

_______________Commissions Yi 7~F3 ~

~9~

C (Inspect )

(National Beard and jurisdictionno.)

,V~2,NS

FORM NIS-2 OWNERS REPORT FOR REPAIR/REPLACEMENT ACTIVITY As Required by the Provisions of the ASME Code Section XI 1.

Owner Exelon Nuclear Name 4300 Winfield Road, Warrenville, IL Address Plant Byron Nuclear Power Station Name 4450 N. German Church Road, Byron, IL Address 3.

Work Performed by Anderson Greenwood Crosby Name 43 Kendrlck St., Wrentham, MA 02093 4.

Identification of System Date 04/16/07 Sheet 1

of 1

Unit 00 Purchase Order No. 00417714 Rev. 4 Repair Organization, P.O. No., Job No., etc.

Type Code Symbol Stamp NR Authorization No.

Expiration Date Address Spare Valve (Essential Service Water-SX)

NR-68 12/11/09 5.

(a)

Applicable Construction Code ASME Section Ill 1974 Edition, S76 Addenda, None Code Case (b)

Applicable Edition of Section Xl Used for Repair/Replacement Activity:

2001 Edltlon/2003 Addenda (c)

Section Xl Code Case(s)

None 6.

Identification of Components Nameof Component Name of Manufacturer Manufacturer Serial No.

National Board No.

Other Identification Year Built Corrected, Removed, or Installed ASME Code Stamped (Yes orNo)

Valve Body Anderson Greenwood N04-2348-OO1 28712-3 N/A S/N A-3485 1978 Corrected Yes Hinge Pin Bushing (2)

Anderson Greenwood NO4-2353-002~

N/A S/N A-3485 1978 Removed No Hinge Pin Bushing (2)

Anderson Greenwood HT 33443 B693

N/A S/N A-3485 1997 Installed No Drilled Shank Bolt Anderson Greenwood N04-2309-035 N/A S/N A-3485 1978 Removed No Drilled Shank Bolt Anderson Greenwood HT 8887666 HG21

~

N/A S/N A-3485 1985 Installed No 5/8 Slotted Hex Nut Anderson Greenwood N05-2107-003 N/A S/N A-3485 1978 Removed No 5/8 Slotted Hex Nut Anderson Greenwood HI: 041073.,

Code AM59 N/A S/N A-3485 1985 Installed No Valve Disc Anderson Greenwood N04-2407-01O N/A S/N A-3485 1978 Removed No Valve Disc Anderson Greenwood B721 -3

HT 7438304 N/A S/N A-3485 1997 Installed No 7.

Description of Work Machine and Weld Valve Body Faces and Seat Area. Replace Hinge Pin Bushlings, Drilled Shank Bolt and 5/8 Slotted Hex Nut (See Remarks) 8.

Test Conducted:

Hydrostatic

~

Pneumatic D Nominal Operating Pressure 0 Exempt 0 Other 0 Pressure 425 psi Test Temp.

Ambient

~F Note: Supplemental sheets in form of lists, sketches, or drawings may be used, provided (1) size is 81/2in. 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 at the top of this form.

2.

FORM NIS-2 (Back) 9.

Remarks Purchase Order No. 00417714 Rev. 4 Applicable Manufacturers Data Reports to be attached Final valve body face dimensions were out of tolerance. Valve body face to be re-worked per Purchase Order 00421825.

CERTIFICATE OF COMPLIANCE I certify that the statements made in the report are correct and this conforms to the requirements of the ASME Code,Section XI.

Type Code Symbol Stamp Not Applicable Certificate of Aut~orizationNo.

Not Applicable Signed

(%

~&~SLC~#~ri~l Date

,20 07 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 Illinois and employed by HSB CT of Hartford, CT have insp,cted the components described in this Owners Report during the period to

, and state that to the best of my knowledge and belief, the Owner has performed examinations and taken corrective measures described in this Owners Report in accordance with the requirements of the ASME Code, Section Xl.

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 Owners 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

/%~/15f Inspectors Signature National Board, State Province, and Endorsements Date:

7~~Zi0)i(V

, 20 07 (Final)

~Oift~ZV)

£8d~1 QC-435, Rev. B Sheet lof 2

}ORM NR-1 REPORT OF RBPAIR1~), MODIFICATION[],

OR INSTALLATIONOF REPLACEMENTE]

TO NUCLEAR COMPONENTS AND SYSTEMS IN NUCLEAR POWER PLANTS 1.

Work performedby ANDERSON GREENWOOD CROSBY 00417714 Rev. 004 (name of NE certificatebolder)

(P0 NO., Job No., etc.)

43 KENDRICK ST., WRENTRAM, MA 02093

(

2.

Owner EX~ONGENERATION (name)

$~

A~

f

~

~

4450 NORTh GERMAN CHURCH ROAD

(~)

3.

Name, ad~essanal idei*ificationof iuckarpower plasi BYRON STATION NUCLEAR POWER PLANT 4450 NORTH GERMAN CHURCHROAD 4.

System COOLING WATER 5*.

Items Which Required Repair! Modification, or ReplacemeteActivities Ide~flcation

C~tion Code Activ~

No Typeof Item Mfg.

Name Mfg.

Serial No.

Nail Bd.

No.

JurIs.

No Other Year Built Name/

Section!

Division EdItion!

AcWwh Code Case(s)

Code Class Repair!

Mod!

Replace

$~.VsJve AG A2485 N/A N/A N/A 1978

~msncm

&r~si,~s N/A 3

REPAIR 6

~.,-

8 9

0.

1 12 Sb.

Items Installed During Repiacemete Activities

~flcation Cowüucdon Code Type of Item 3odyl~

Buihing Bushing

~

Nai JJ*

. pj~

Disc Installedor Replaced SaltenaNo.

P1r~ R5P*i~i eplaced

~p4aced

~epiace~*

q~1aced Replaced Replaced Replaced I

Mfg.

IMfs.

Name ISenialNo.

AG 1287123 AG lN04-2333-002 AG 1N04-2353-002 A~

jN04-2309.035 AQ~~

1N05-2107.003 AGa,ei14~4pOav09-OO04~

AG

~~00946 AG L~04-2407010

-g~

NMl Bd.

No.

N/A N/A N/A NIA N/A N/A N/A N/A inns.

No.

N/A N/A N/A N/A WA N/

/A_

N/A Other N/A N/A F

N/A IA M

IA_

/A Year Built I~I7~

N/A NI W~

N/A wr W~

N/A Name!

Section!

Division ASMEmC.IR A.V4ESBCiII

1. ISMESEC.W

~

suc.m

~~3ME~Cill

~

De~

A9.4E SEC.flI

_~____

Edition!

Adiland~

1974 576 1974 S76 1974 S76 1974 576 1974 $76 1974 S76 1974 S76 1974 576 Code Ca~da~

IA IA N/A~

IAA~

A~

A A

Code Class 3

3

~3 3

~35~

DEl) 3

~

6.

ASME Code Section XI appplicable lbr inservice inspection 7.

AS?~tECode Section XI used for repairs, modification, or replacennesls:

2001 2003 8.

ConstructionCode used for repairs, modifications, or replacmeats:

- 1974 S1976 9.

Design re~oeslbilities ANDERSON GREENWOOD 10.

Tests condected.

[~Jhydrostatic Dpneumatic Odesignpressure

[Jpressure 423 psig Code Case(s)

~

ji~ybe obuined from The Madowi Bawd o(Bolkr awl Presawe Vessel h~,ec~on, 1055 CnçperAve., Cobsstw. ~

13 3 7 2 ~

QC-435, Rev. B Sheet 2 of 2

11. Descriptionof work (use of properly identified additional sheet(s) or sketcb(es) is acceptable)

_The valve was received and visually inspected am! thebody was found to be in poor condition nsst andcorrosion, on both faces andthe interior. Acomplete setof replacemem parts were sent along with the body. The body faces were re-machined to the minimum overall dimension and the seat was cit nit for weld repairing and re-machieing, Following re-machining, the body faces still had corrosion iithoardof the gasket sealing ares. but this was unacceptable to the ctisto~.At this poiit the body faces.

completely weld repaired and the seat area was also weld repaired. Thebody was tire re-machined to theoriginal print dilTresioO&

All weld repair and re-machined areas were magnetic1aiticle inspectedbefo 2jri~jan~1 aft~-machining.The seats were lapped and the valve was re-assesnbled using.flle customer supplied parts;A hydrostat~t~ antfa seat leakage test were perfornrd AnNRIVR tag was attachedto thevalve and it waspackaged for return shipmesl The work was controlled using AG Crosbys National Board approved NRJVR program. QC-110 Siçplemeil 4.

12. Remarks None

~

CERTIFICATEOF COMPLIANCE I,

~ /~/j~j) i~iT2~J~

certify that to the best of my knowledge and belief the statements made inthis report are correct anal the repair, modification or replacement activities described aboveconform toSection XI ofthe ASMECode anal the i~jaglonaJBQ~Minspection Code NR rules.

National Board Certificate of Authorization No.

NR68 to use the NR stamp expires Decenther 11,2009 NR Certificate Holder.

ANDERSON GREENWOOD CROSBY

.~-.

/1 ~

Z~

(name)

~- ?~-~-

(

~-r-& p, t~ P~C ~ifl~1L CERTIFICATEOFINSPECTION

~,

,4j ~f/k~~

bokling a valid commission issued by The National BoardofBoiler and Pressure sej Inspectors and certificateof competency issued by the jurisdiction of Massacheseus and employed by HSB - Cr of Hartford, CT have inspected the repair, modification or replacement described inthis reporton

çI~4~..i 7

anal state that to the best ofmy knowledge and belief, this repair, modification or replacement activity has beencompleted in accordance with Section XI of the ASMECode anal the National Board Inspection NR rules.

By signing this certificate, neither the undersigned nor my employermakes any warranty, expressed or implied, concerning the workdescribed in this report. Furthermore, neither the undersigned. nor my employershall be liable inany manner for any personal injury, property damage or a loss of~py,)dn4~isin~gftom orconnected withthis inspection.

Date Signed

~

f/I~fri Commissions

~

rz (~t4p1M~//~

(lnspçtor)

(National Board andjurisdiction no.)

.~,

~

.~

~

~-C~

~78~3(j~~.A)

~4~

133729

FORM NIS-2 OWNERS REPORT FOR REPAIR/REPLACEMENT ACTIVITY As Required by the Provisions of the ASME Code Section Xl 1.

Owner ExeIon Nuclear Name 4300 WinfIeld Road. Warrenville. IL Address Plant Byron Nuclear Power Station Name 4450 N. German Church Road, Byron, IL Address 3.

Work Performed by Anderson Greenwood Crosby Name 43 Kendrick St., Wrentham, MA 02093 4.

Identification of System Date 05/3/07 Unit 00 1

Purchase Order No. 00421825 Spare Valve (Essential Service Water-SX)

Repair Organization, P.O. No., JobNo., etc.

5.

(a)

Applicable Construction Code ASME Section III 1974 Edition, S76 Addenda, None Code Case (b)

Applicable Edition of Section Xi Used for Repair/Replacement Activity: 2001 Edltlon/2003 Addenda (c)

Section XI Code Case(s)

None 6.

Identification of Components ASME Corrected, Code National Removed, or Stamped Nameof Name of Manufacturer Board Other Year Installed (Yes orNo)

Component Manufacturer Serial No.

No.

Identification Built Valve Body Anderson Greenw~

N04-2348-OO1 28712-3 N/A S/N A-3485 1978 Corrected Yes 7.

Description of Work Machine and Weld Valve Body Faces to Within Drawina Tolerances 8.

Test Conducted:

Hydrostatic

~

Other 0 Pressure Pneumatic ~

425 psi Nominal Operating Pressure EJ Exempt 0 Test Temp.

Ambient 2F Note: Supplemental sheets in form of lists, sketches, or drawings may be used, provided (1) size is 81/2in. 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 at the top of this form.

2.

Sheet of 1

Address Type Code Symbol Stamp NR Authorization No.

Expiration Date NR-68 12/11/09

FORM NIS-2 (Back) 9.

Remarks Purchase Order No. 00421825 Applicable Manufacturers Data Reports to be attached Re-Work from Purchase Order 00417714 Rev. 4.

CERTiFICATE OF COMPLIANCE I certify that the statements made in the report are correct and this conforms to the requirements of the ASME Code, Section Xl.

Type Code Symbol Stamp Not Applicable Certificate of Au~iorlzationNo.

Not Applicable Signed

(~s~ Si~z~-._~

~

Date

.20 07 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 Illinois and employed by HSB CT of Hartford, CT have inspected the components described in this Owners Report during the period to

, and state that to the best of my knowledge and belief, the wner has 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 Owners 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

/U ~i~2c4 Inspectors Signature National Board, State Province, and Endorsements Date:

.20 07 (Final)

QC-435,Rev.B Sheetlof2

- FORM NR-1 REPORT OFREPAIR[~], MODIHCATION[],

ORINSTAUATION OFREPL&CEMENT[J TO NUCLEAR COMPONENTSAND SYSTEMS IN NUCLEAR POWER PLANTS 1.

wo&perfornied by ANDERSON GREENWOOD CROSBY 00421825 REV. 001 (nams of HRcertificate bolder)

(P0 NO., Job No., etc.)

43 KENDRJCKST., WRENTHAM~MA02093

2.

Owi~r EX~ONGENERATION

)

4450 NORTHGERMAN CHURCH ROAD

3.

Name, address and idesilfication of nuclear power plait BYRON STATION NUCLEAR POWER PLANT 4450 NORTHGERMAN CHURCH ROAD 4.

System COOLINGWATER 5*.

Items Which RequiredRepair, Modification,or Replacement Activities Ideitification

Construction Code Activity Type of Mfg.

Mfg.

Serial Natl Ed. Juris.

Year Name Sectionl Editioril Code Code Repsfr/

Modf No Item r CL Vahe 2

Name

• 0 No.

~3485 No.

N/A No.

N/A Other N/A Built 1978 Division

.SME suc ill Addenda is~ø51975 Case(s)

N/A Class 3

Replace anp*~

3 4

5 6

7 8

9 10

Ii 12 Sb.

Items InstafledDuring Replacement Activities ldentiflcaiion

Construction Code Installedor Name/

Typeof Replaced Mfg.

Mfg.

Natl Bd.

Jurls.

lear Sectionl Edition(

Code Code Item 5* kern No.

Name Serial No.

No.

No.

Other Th_~Division Addenda Case(s)

Class 6.

ASMECode Section XI appplicable for inservice inspection:

7.

ASME Code Section XI used forrepairs, modification, or replacements:

2001

- 2003 8.

Construction Code used ~r repairs, inodificatiorn, or replacmeils 1974 S1976 9.

Design responsibilities ANDERSON GREENWOOD 10.

Tests conducted

[~Jhydrostatic flimewnatic [Jdesign pressure

[]pressure 425 psig

- Code Case(s) 11~sform rmy be obutoed from TheNitieni Board o(BoBn amif Pr~um~

Vcssel taspeciors, 1055 Cflciier Ave., Cohmthes,OH 43229

QC~435,Rev. B Slieet2of2

11. Descriptionofwork (use of properly identified additional sheet(s)or sketch(es) isiccepmble)

12. Remarks REFERENCE NR-1 FORM FOR P.O. 00417714 REV. 004 CERTIFICATE OF COMPLIANCE I,

~

~i~i~-rn-i~.

certify that tothe best ofmyknowledgeand beliefthe etatesnentsmade inthis reportare correct six! the repair, modification or replacementactivities described above conformSo Section Xl of the ASMECode and the Nntional Boardhrspectkss Code NR rules.

National Board Certificate ofAtdhorizaliosaNo.

NR-68 touse the NR stampexpIres December 11. 2009

- NRCertificate Holder ANDERSON GREENWOOD CROSBY (name)

Date

?-.t$A..f-07 Signed s

~

~7i~~

~

-.~..

.~

~

~e

- CERTIFICATE OF INSPBC1ION I.

- /9~IL,...

holding a valid ccanmissiosi issued by The National Boardof Boiler and Pressureyes-sal Inspectors hnd certificateo(competeacy issued by dmjurisdiction of Mamadnssetts and employed by 1158-cr of llartkrd,CF have inspected the repair, modification or replaceniesl described inthis reportcm 5 ~~o7

- and state that to the best of my knowledge and belicf~,this repair, modification or replacemesl activity has beencompleted inaccordance with Section XI ofthe ASME Code and the Mrtk~viaiBoard bsspedioit ~NR1rules.

By signing this certificate, neither the undersignednor my employermakes any warranty, expressed or implied, concerning the work described in this report. Furthermore, neitherdic undersignednor myemployer shall be liable in any maimerfor any personal injury, property damage or a 1oss1q~any kind arising from or cosmected with this inspection.

Date //4c~f~ ~o~)

Signed Vfrf/t-9~

Conunissions/~ ~/J 3 fln (National~oardandjurisdictionno)

DOCUMENT NO.:

3.3 REV. NO.:

0 FORM NIS-2 OWNERS REPORT FOR REPAIR/REPLACEMENT ACTIVITY As Required by the Provisions of the ASME Code Section XI 1.

Owner Exelon Nuclear Date 4/17/07 Name 4300 Wlnfield Road, Warrenville, IL Sheet 1

of 3

Address 2.

Plant Byron Nuclear Power Station Unit 02 Name 4450 N. German Church Road, Byron, IL Work Order No. 00850352-01 Address Repair Organization, P.O. No., Job No., etc.

3.

Work Performed by Shaw/Stone & Webster Type Code Symbol Stamp Not Applicable Name Authorization No.

Not Applicable 36400 S. Essex Road, Wilmington, IL 60481 Expiration Date Not Applicable Address 4.

Identification of System PRIMARY CONTAINMENT VENTILATION (VP) 5.

(a)

Applicable Construction Code ASME Section III 1974 Edition, S76 Addenda, 1695-1 Code Case (b)

Applicable Edition of Section XI Used for Repair/Replacement Activity 2001 Edition / 2003 Addenda (c)Section XI Code Case(s)

NONE 6.

Identification of Components ASME Corrected, Code National Removed, or Stamped Name of Name of Manufacturer Board Other Year Installed (Yes or No)

Component Manufacturer Serial No.

No.

Identification Built Channel Head Designation CARRIER 7865418-1 138735 2VPO1AD 1978 Removed YES SX-IRH-1 Channel Head Designation AEROFIN 070251 2176 2VPO1AD 2007 Installed YES SX-RH-1 Channel Head Designation CARRIER 7865420-1 138739 2VPO1AD 1978 Removed YES SX-RH-2 Channel Head Designation AEROFIN 070250 2175 2VPO1AD 2007 Installed YES SX-RH-2 Channel Head Designation CARRIER 7865420-2 138740 2VPO1AD 1978 Removed YES SX-RH-3 Channel Head Designation AEROFIN 070249 2174 2VPO1AD 2007 Installed YES SX-RH-3 7.

Description of Work REPLACE RCFC CHANNEL HEADS WITH STAINLESS STEEL HEADS PER EC 343537. HEADS ARE ALSO UPGRADED FROM ASME CLASS 3 TO ASME CLASS 2.

8.

Test Conducted:

Hydrostatic LI Pneumatic LI Nominal Operating Pressure ~

Exempt D Other 0 Pressure 90 psi Test Temp.

64 Note: Supplemental sheets in form of lists, sketches, or drawings may be used, provided (1) size is 81/2in. 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 at the top of this form.

FORM NIS-2 (Back) 9.

Remarks WO# 00850352-01 Applicable Manufacturers Data Reports to be attached CERTIFICATE OF COMPLIANCE I certify that the statements made in the report are correct and this conforms to the requirements of the ASME Code, Section Xl.

Type Code Symbol Stamp Not ApplIcable Certificate of uthorization No.

Not Applicable Signed L

~5~}Kjr 9~2.... C~ir,,rJ Date

, 20 ~7

~~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 Illinois and employed by HSB CT of Hartford, CT have insp~ctedthe components described in this Owners Report during the period 4/3~A~7 to 4~/~27

, and state that to the best of my knowledge and belief, the owner has perform~dexaminations 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 Owners 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 iL Inspectors Signature National Board, State Province, and Endorsements Date:

Q~it~e...-/~

,20 e9 7

FORM NIS-2 SUPPLEMENTAL SHEET Date 4/17/07 Sheet Unit

. 02 Work Order No. 00850352-01 Address Plant Byron Nuclear Power Station Name 4450 N. German Church Road, Byron, IL Address Work Performed by Shaw/Stone & Webster Name 36400 S. Essex Road, Wilmington, IL 60481 2

of 3

Repair Organization, P.O. No., Job No., etc.

Type Code Symbol Stamp Not Applicable Authorization No.

Not Applicable Expiration Date Not Applicable Address PRIMARY CONTAINMENT VENTILATION (VP) 4.

Identification of System 5.

(a)

Applicable Construction Code ASME Section III 1974 Edition, S76 Addenda, 1695-1 Code Case (b) Applicable Edition of Section Xl Used for Repair/Replacement Activity 2001 Edition / 2003 Addenda (c)

Section Xl Code Case(s)

NONE 6.

Identification of Components Name of Component Name of Manufacturer Manufacturer Serial No.

National Board No.

Other Identification Year Built Corrected, Removed, or Installed ASME Code Stamped (Yes orNo)

Channel Head Designation SX-RH-4 CARRIER 7865419-2 138738 2VPO1AD 1978 Removed YES Channel Head Designation SX-RH-4 AEROFIN 070248 2173 2VPO1AD 2007 Installed YES Channel Head Designation SX-RH-5 CARRIER 7865416-1 138731 2VPO1AD 1978 Removed YES Channel Head Designation SX-RH-5 AEROFIN 070247 2172 2VPO1AD 2007 Installed YES Channel Head Designation SX-LH-1 CARRIER 7865419-1 138737 2VPO1AD 1978 Removed YES Channel Head Designation SX-LH-1 AEROFIN 070246 2171 2VPO1AD 2007 Installed YES Channel Head Designation SX-LH-2 CARRIER 7865417-2 138734 2VPO1AD 1978 Removed YES Channel Head Designation SX-LH-2 AEROFIN 070245 2170 2VPO1AD 2007 Installed YES Channel Head Designation SX-LH-3 CARRIER 7865418-2 138736 2VPO1AD 1978 Removed YES Channel Head Designation SX-LH-3 AEROFIN 070244 2169 2VPO1AD 2007 Installed YES 1.

Owner Exelon Nuclear Name 4300 Winfleld Road, Warrenville, IL 2.

3.

FORM NIS-2 SUPPLEMENTAL SHEET 1.

Owner Exelon Nuclear 2.

Name 4300 Winfield Road, Warrenville, IL 3.

Work Performed by Shaw/Stone & Webster Name 36400 S. Essex Road, Wilmington, IL 60481 Date 4/17/07 Sheet 3

of 3

Unit 02 Work Order No. 00850352-01 Repair Organization, P.O. No., Job No., etc.

Type Code Symbol Authorization No.

Expiration Date 4.

Identification of System PRIMARY CONTAINMENT VENTILATION (VP) 5.

(a)

Applicable Construction Code ASME Section Ill 1974 Edition, S76 Addenda, 1695-1 Code Case (b)

Applicable Edition of Section XI Used for Repair/Replacement Activity 2001 Edition / 2003 Addenda (C)

Section Xl Code Case(s)

NONE 6.

Identification of Components Name of Component Name of Manufacturer Manufacturer Serial No.

National Board No.

Other Identification Year Built Corrected, Removed, or Installed ASME Code Stamped (Yes or No)

Channel Head Designation SX-LH-4 CARRIER 7865417-1 138733 2VPO1AD 1978 Removed YES Channel Head Designation SX-LH-4 AEROFIN 070243 2168 2VPO1AD 2007 Installed YES Channel Head Designation SX-LH-5 CARRIER 7865416-2 138732 2VPO1AD 1978 Removed YES Channel Head Designation SX-LH-5 AEROFIN 070242 2167 2VPO1AD 2007 Installed YES Address Plant Byron Nuclear Power Station Name 4450 N. German Church Road, Byron, Address IL Address Stamp Not Applicable Not Applicable Not Applicable (Final)

DOCUMENT NO.:

3.1 REV. NO.:

0 FORM NIS-2 OWNERS REPORT FOR REPAIR/REPLACEMENT ACTIVITY As Required by the Provisions of the ASME Code Section Xl 1.

Owner Exelon Nuclear Date 4/17/07 Name 4300 Winfield Road, Warrenville, IL Sheet 1

of 1

Address 2.

Plant Byron Nuclear Power Station Unit 02 Name 4450 N. German Church Road, Byron, IL Work Order No. 00850352-01/19 Address Repair Organization, P.O. No., Job No., etc.

3.

Work Performed by Shaw/Stone & Webster Type Code Symbol Stamp Not ApplIcable Name Authorization No.

Not Applicable 36400 S. Essex Road, Wilmington, IL 60481 Expiration Date Not Applicable Address 4.

Identification of System PRIMARY CONTAINMENT VENTILATION (VP) 5.

(a)

Applicable Construction Code ASME Section III 1974 Edition, S76 Addenda, 1695-1 Code Case (b)

Applicable Edition of Section XI Used for Repair/Replacement Activity 2001 Edition / 2003 Addenda (c)Section XI Code Case(s)

NONE 6.

Identification of Components Name of Component Name of Manufacturer Manufacturer Serial No.

National Board No.

Other Identification Year Built Corrected, Removed, or Installed ASME Code Stamped (Yes or No) 1/2,sA449(;2ea.)

CARRIER 7865416-2 138732 1978 Removed NO Screw, Hex, 1/2x4 1/2,SA193/B7 (l2ea.)

Nova Machine rouucs Y

HT#US 06420 5

u9 N/A 2VPO1AD SX-LH-5 CID#46596-1 2004 Installed NO 7.

Description of Work Replace RCFC Head Bolting on Head SX-LH-5 Bolt Numbers: 2,8, 11, 14,19,22,23,32,33,46,51 and 57 were replaced.

8.

Test Conducted:

Hydrostatic LI Pneumatic LI Nominal Operating Pressure ~

Exempt LI Other LI Pressure 90 psi Test Temp.

64 Note: Supplemental sheets inform of lists, sketches, or drawings may be used, provided (1) size is 81/2in. 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 at the top of this form.

FORM NIS-2 (Back) 9.

Remarks WO# 00850352-01 Applicable Manufacturers Data Repórfif b~ttá~h~d CERTIFICATE OF COMPLIANCE I certify that the statements made in the report are correct and this conforms to the requirements of the ASME Code, Section Xl.

Type Code Symbol Stamp Not ApplIcable Certificate of Aut~orizationNo.

Not Applicable Signed

~

5~1,~JT flj,,.

~

Date

~.7ii

,20 p~7 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 Illinois and employed by HSB CT of Haytford, CT have in~pe~ied the components described in this Owners Report during the period to 4..~7~3/~77, and state that to the best of my knowledge and belief, tIle Owner has pertormedex~rninationsand 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 Owners Report.

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

Commissions il. ~251 Inspectors Signature National Board, State Province, and Endorsements Date:

/~9

.20

~:77 (Final)

BYRON STATION UNIT 2 REFUELING OUTAGE 13 INSERVICE INSPECTION REPORT EC 363076 Rev. 0 EVALUATE CONDITIONS THAT DID NOT MEET THE ACCEPTANCE CRITERIA DURING THE 2nd IWL 5-YEAR CONTAINMENT CONCRETE SURVEILLANCE Reason for Evaluation/Scope:

This evaluation is being performed to address all conditions that exceeded the acceptance criteria established by the Owner in surveillance packages for the conduct of the 2nd IWL containment concrete surveillance (per Ref.s 2 & 3) at Byron. These conditions were documented individually in the following IRs:

1)

IR #515883: CORROSION LEVELS FOR TENDON HO1EF-F CAN IN U-2 FAILS AC (the acceptance criteria is no active corrosion).

2) IR #515877: CORROSION LEVELS FOR TENDON HOl AC-C CAN IN U-i FAILS AC (the acceptance criteria is no active corrosion).

The above conditions are evaluated as acceptable since adequate design margins exist and therefore, no repair/replacement is required until the 25th~yrtendon surveillance (scheduled in 2009) where these cans will be replaced like for like.

This evaluation includes the requirements of the Evaluation Report section of Ref.1. As such, the following items have been addressed in this evaluation report:

1) The cause of the condition that does not meet the acceptance criteria,

2) The applicability of condition to the opposite unit,

3) The acceptability of the concrete containment and hence, the acceptability of the condition,

4) Whether or not repair/replacement activity is required and,

5) Extent, nature and frequency of additional examinations.

In the Detailed Evaluation portion of this document, both conditions described in the IRs above are addressed.

Detailed Evaluation:

1)The Unit-2 tendon grease can HO1EF-F and Unit-i tendon grease can HO1AC-C exhibited active corrosion as indicated by the presence of a reddish layer of corrosion on the outer surface of the cans. This condition was observed during the conduct of the 2tid IWL 5-yr containment structure concrete surfaces and exceeded the acceptance criteria established by the Owner (provided in Refs. 3 & 2 respectively and given here as Attachment 1). The grease cans are located at the base of the containment structures in enclosed buttresses with moisture present on the floor of the buttresses. It is the presence of this moisture in this environment that had contributed to the corrosion on the cans. The moisture has since been removed and no source of new moisture has been identified.

Upon close examination of the corrosion condition of the tendon grease cans, it was noted that the corrosion is not in the form of delamination and only as a thin layer of dust. Based upon the freshness of the color of the corrosion products and the fact that these grease cans were not identified as having corrosion in the 15t IWL 5-yr containment concrete surfaces examination Section 6.0.1 Page 1 of 5

BYRON STATION UNIT 2 REFUELING OUTAGE 13 INSERVICE INSPECTION REPORT EC 363076 Rev. 0 EVALUATE CONDITIONS THAT DID NOT MEET THE ACCEPTANCE CRITERIA DURING THE 2nd IWL 5-YEAR CONTAINMENT CONCRETE SURVEILLANCE (Refs 4 & 5), it was determined that active corrosion is taking place. However, it was also determined that only superficial metal loss on the can surfaces had taken place. No corrosion was taking place on the can bolts and the welds also were unaffected.

The tendon grease cans only hold grease and do not serve any other structural function. The grease cans are made out of a 1/8 steel sheet rolled into a tube and welded to two 3/4 thick plates (lid and flange) to complete a cylinder (Ref. 8).

The amount of metal loss due to the observed corrosion is minimal and considering the length of time it has taken for the corrosion to develop, it is acceptable and it will not challenge the structural integrity of the grease cans and the cans will retain their ability to hold grease. The grease can replacement is required during the 25th~yrtendon surveillance (scheduled in 2009 per Refs 6 & 7). Instructions have been added to the work orders (Refs 6 & 7) to ensure replacement cans are procured and installed.

These grease cans will also be inspected one additional time prior to the 3~d5-yr containment concrete examination surveillance to monitor the condition of the corrosion. This is tracked by ATIs 515883-03 and 515877-03 for Units 2 and 1 respectively. Therefore, although the observed condition exceeded the acceptance criteria established in Refs 2 & 3, it met the acceptance criteria for the external grease can examinations of section 4.3.1 of Ref. 9.

During the conduct of this surveillance, all tendon grease cans at both Units were examined and no active corrosion was observed on any of the remaining grease cans.

The frequency of the containment concrete surfaces examination remains at 5 years with the additional examination scheduled once prior to the 3~d5-yr surveillance.

==

Conclusion:==

The active corrosion on tendon grease cans HO1EF-F (Unit-2) and HO1AC-C (Unit-i) as documented in this evaluation is acceptable (does not challenge the ability of the tendon grease cans to hold grease) without additional corrective actions until they are replaced in 2009 (per Refs 6 & 7).

The existing frequency of concrete surfaces examination surveillance (every 5 years) is therefore, considered adequate per the current Concrete lSl Program requirements. The additional examinations are tracked by ATIs 515883-03 and 515877-03 for Units 2 and 1 respectively.

References:

1) 2001 Edition with the 2003 Addenda of ASME Section XI, Subsection IWL, Paragraph IWL-3310

2) WO#713045-01 (Unit-i)

3) WO #713046-01 (Unit-2)

4) WO #99238605-Ui (Unit-2)

Section 6.0.1 Page 2 of 5

BYRON STATION UNIT 2 REFUELING OUTAGE 13 INSERVICE INSPECTION REPORT EC 363076 Rev. 0 EVALUATE CONDITIONS THAT DID NOT MEET THE ACCEPTANCE CRITERIA DURING THE 2nd IWL 5-YEAR CONTAINMENT CONCRETE SURVEILLANCE

5) WO #99238606-01 (Unit-i)

6) WO #943328-01 (Unit-i)

7) WO #943330-Oi (Unit-2)

8) Inland Ryerson drawing No. 170W18R (Attachment 2).

9) ER-AA-330-006 procedure (Rev.03)

Answers to applicable DAR questions:

Question 4.1.4.1:

The containment structures are designed to contain radioactive material that may be released from the reactor core following a design basis Loss Of Coolant Accident.

Additionally, they provide shielding from the fission products that may be present in the containment atmosphere following accident conditions. The tendon grease cans function to hold tendon sheathing protection medium.

Question 4.1.4.2:

The containment structures are Safety-Related.

Question 4.1.4.3:

The containment structures are seismically qualified.

Question 4.1.39:

The tendon grease cans only serve to retain grease and therefore, must only be able to support self weight and any applicable weight of grease (primarily only the grease inside the can). They are not subject to any other civil or structural loading requirements.

Question 4.1.40:

The grease cans are not safety-related and are not seismically qualified.

Preparer:

Nader Vakili Date:

10/20/06 Reviewer:

Ron Janowiak Date:

10/25/06 Approved:

Ken Kovar Date:

10/26/06 Jeff Hendricks Date:

10/31/06 ANII Representative Section 6.0.1 Page 3 of 5

BYRON STATION UNIT 2 REFUELING OUTAGE 13 INSERVICE INSPECTION REPORT EC 363076 Rev. 0 EVALUATE CONDITIONS THAT DID NOT MEET THE ACCEPTANCE CRITERIA DURING THE 2nd IWL 5-YEAR CONTAINMENT CONCRETE SURVEILLANCE :

Recordable indications:

Cracks, exposed rebars or other metallic items, grease leakage, moisture, leaching, settlement, deflections, popouts, voids, spalls, honeycombs, bug holes, corrosion, scaling, coating deteriorations (including damage, flaking, blistering, peeling or missing coating), abrasions, wear, efflorescence, deviations from design drawings, and other irregularities.

Acceptance Criteria per IWL 3211 for components subject to the examination Category L-A requirements of IWL subsection (there are no augmented examinations) shall be as follows:

General conditions:

a)

No evidence of unusual contamination, foreign material or debris.

b)

No abrasion, erosion, cavitation, wear or any other degradation mechanism resulting in significant loss of concrete material.

c)

No unusual bulges on containment vessel structure.

d)

No deviation from the design drawings.

e)

No other conditions specified or not specified in the Recordable Indication Type Codes table of Attachment 6 of ER-AA-335-01 8 procedure that may violate the containment leak-tight integrity.

Tendon anchorage grease cans:

a)

No deformed or sheared threads in the zone of thread engagement of bolts, studs or nuts.

b)

No localized general corrosion that reduces the bolt or stud cross-sectional area.

c)

No bending, twisting or deformation of bolts or studs to the extent that assembly or disassembly is impaired.

d)

No fractured bolts, studs or nuts.

e)

No evidence of damage or discontinuities that may prevent an acceptable gasket seal between the bearing plate and the grease can.

f)

No bolting conditions that do not meet design/material specifications/drawings.

g)

No evidence of active corrosion.

h)

No evidence of grease leakage exceeding 10% of duct volume of the associate tendon.

Coated and uncoated concrete surfaces:

a)

No evidence of flaking, peeling, blistering, discoloration or other signs of distress other than caused by mechanical damage.

b)

No evidence of active coating wear or erosion.

c)

No appearance of leaching or concrete attack.

d)

No evidence of missing required coating.

e)

No harsh environments that may reduce the life of the coating.

f)

No popouts, scaling, spalls and bug holes of any shape and size that breach the concrete cover.

g)

No corrosion staining of undefined source on the concrete surfaces.

h)

No cracks greater than.04 in maximum width.

i)

No settlement ordeflection visible to the unaided eye.

j)

No occurrence of exposed reinforcing steel other than nonstructural exposed rebars, embedded metallic or nonmetallic items that do not adversely impact the structural function of the components.

k)

No apparent patch or repair on the concrete surface.

I)

No wetness other than temporary moisture.

m) No surface Efflorescence other than those from adjacent non-IWL components.

Items exceeding the acceptance criteria shall be considered suspect areas and would require introduction into the plants Corrective Action Program and, resolution in accordance with IWL section 3000 (and applicable parts of section 4.7 of ER-AA-335-018).

If a documented resolution, either complete or ongoing, exists that adequately addresses the as-found observed condition, it need not be considered a suspect area and should be recorded for information only.

Recordable Indications that are not classified as suspect areas do not require documentation in the plants CAP.

Section 6.0.1 Page 4 of 5

BYRON STATION UNIT 2 REFUELING OUTAGE 13 INSERVICE INSPECTION REPORT EC 363076 Rev. 0 EVALUATE CONDITIONS THAT DID NOT MEET THE ACCEPTANCE CRITERIA DURING THE 2nd IWL 5-YEAR CONTAINMENT CONCRETE SURVEILLANCE :

S f

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LLD

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114 thL

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~

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OR ASTM A~1C~ SH~T BUflWELOEa

170 WIRE GREASE (IAN

~

~

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~

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Section 6.0.1 Page 5 of 5

BYRON STATION UNIT 2 REFUELING OUTAGE 13 INSERVICE INSPECTION REPORT CONDITIONS FOUND DURING THE INSPECTION OF PENETRATION 2PC064M Reason for Evaluation/Scope:

The visual inspection (VT-3) of the U-2 spare penetration #64 bolting per the requirements of IWE subsection and Byron CISI program identified 2 of the 16 bolting as having damaged threads (Recordable Indication) thus not meeting the Acceptance Standards (Recordable Indications did not meet Acceptance Criteria established prior to the inspection).

Byron station is using the 200i Edition of ASME Code Section XI, Subsection IWE with 2003 Addenda.

This condition is documented in IR #61167 thus meeting section 4.10.1 of ER-AA-330-007, Rev.

5.

An Engineering Evaluation per Section 4.iO.2 of ER-AA-330-007 is not required as the defective studs are replaced.

No supplemental examination per Section 4.10.3 of ER-AA-330-007 is required other than the new studs being inspected prior to installation since no Engineering Evaluation is required.

No additional examinations per Section 4.10.4 of ER-AA-330-007, Rev. 5 are required as the examination was conducted to the later than 1998 Edition of the ASME Code, Section Xl. The only other required examination is the re-inspection of the new studs prior to installation.

Since the defective studs are replaced, no re-examination is required in the next refueling outage (Examination Cat E-C is not applicable). However, if this connection is scheduled for disassembly during B2R14, it will then be inspected. This meets the intent of the requirements of Section 4.10.5 of ER-AA-330-007.

The conditions discovered with this connection do not indicate the presence of similar condition in other connections that are not disassembled (considered inaccessible areas) during this outage. Penetration #74 was also disassembled and the examination results met the Acceptance Standards. Therefore, the Evaluation as required per 10CFR5O.55a (and hence, Section 4.11 of ER-AA-330-007) is not applicable.

==

Conclusion:==

Per Section 4.12 of ER-AA-330-007, the following information is provided to be included in the ISI Summary Report:

1) A few threads on the shank of two studs out of 16 on spare Penetration #64 were noted per VT-3 visual examination method to be damaged (prevented rotation through nuts) when the connection was disassembled. This condition did not meet the acceptance Criteria (no damaged threads) established by the Owner prior to the examination. The degradation is attributed to the mishandling of the studs during the disassembly phase.

2) No evaluation was required of the inaccessible areas (remaining assembled connections) as a similar disassembled connection (Penetration #74) did not exhibit any signs of degradation.

3) The studs were replaced like-for-like prior to the start of the Unit-2 operation.

Section 6.0.2 Page 1 of 2

BYRON STATION UNIT 2 REFUELING OUTAGE 13 INSERvICE INSPECTION REPORT CONDITIONS FOUND DURING THE INSPECTION OF PENETRATION 2PC064M The pressure testing requirements of IWE-5000 (specifically, IWE-5221, leakage test) are met when this connection was local leak rate tested at the end of B2R13 per 2BOSR 6.1.1-25.

References:

1) 2001 Edition with the 2003 Addenda of ASME Section Xl, Subsection IWL and IWE

2) Exelon procedure ER-AA-330-007 Revision 5, Visual Examination ofSection Xl Class MC Surfaces and Class CC Liners

3) Byron procedure 2BOSR 6.1.1-25 Revision 6, Unit Two Primary Containment Type B Local Leakage Rate Testof Spare Containment Penetrations SectIon 6.0.2 Page 2 012