ML12242A347
| ML12242A347 | |
| Person / Time | |
|---|---|
| Site: | Surry  |
| Issue date: | 08/16/2012 |
| From: | Mladen F Virginia Electric & Power Co (VEPCO) |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| 12-513, FOIA/PA-2013-0030, FOIA/PA-2013-0139 | |
| Download: ML12242A347 (11) | |
Text
VIRGINIA ELECTRIC AND POWER COMPANY RICHMOND, VIRGINIA 23261 August 16, 2012 United States Nuclear Regulatory Commission Serial No.12-513 Attention: Document Control Desk SPS-LIC/CGL R1 Washington, DC 20555-0001 Docket No. 50-280 License No. DPR-32 VIRGINIA ELECTRIC AND POWER COMPANY SURRY POWER STATION UNIT I INSERVICE INSPECTION OWNER'S ACTIVITY REPORT (OAR)
In accordance with the requirements of ASME Code Case N-532-4, Virginia Electric and Power Company (Dominion) hereby submits the Inservice Inspection Owner's Activity Report (Form OAR-i) for Surry Unit 1 refueling outage S1R24. This document contains the reporting requirements for the first refueling outage of the third period in the fourth ten-year inservice inspection interval for Surry Unit 1.
If you have any questions concerning this information, please contact Mrs. Candee G. Lovett at (757) 365-2178.
Very truly yours, Fred Mladen Director Station Safety & Licensing Surry Power Station
Attachment:
Owner's Activity Report (Form OAR-i), Surry Unit 1 Refueling Outage S1 R24, Third Period of the Fourth ISI Interval Commitments made in this letter: None L~4-
Serial No.: 12-513 Docket No.: 50-280 Page 2 of 2 cc: U.S. Nuclear Regulatory Commission Region II Marquis One Tower 245 Peachtree Center Avenue NE Suite 1200 Atlanta, Georgia 30303-1257 NRC Senior Resident Inspector Surry Power Station Ms. K. R. Cotton NRC Project Manager - Surry U. S. Nuclear Regulatory Commission One White Flint North Mail Stop 08 G9A 11555 Rockville Pike Rockville, Maryland 20852-2738 Dr. V. Sreenivas NRC Project Manager - North Anna U. S. Nuclear Regulatory Commission One White Flint North Mail Stop 08 G9A 11555 Rockville Pike Rockville, Maryland 20852-2738 Mr. R. A. Smith Authorized Nuclear Inspector Surry Power Station
Serial No.: 12-513 Docket No.: 50-280 ATTACHMENT Owner's Activity Report (Form OAR-I),
Surry Unit I Refueling Outage S1R24, Third Period of the Fourth ISI Interval VIRGINIA ELECTRIC AND POWER COMPANY (DOMINION)
CASE CASES OF ASME BOILER AND PRESSURE VESSEL CODE N-532-4 FORM OAR-1 OWNER'S ACTIVITY REPORT Report Number 1-4-3-1 (Unit 1, 4th Interval, 3rd Period, 1-st Report)
Plant Surry Power Station, 5570 Hog Island Road, Surry, VA 23883 Unit No._ Commercial service date 12/22/1972 Refueling outage No. $1R24 (if applicable)
Current inspection interval 4th (1st, 2nd, 3rd, 4th, other)
Current inspection period 3rd (1st, 2nd, 3rd)
Edition and Addenda of Section XI applicable to the inspection plans 1998 Edition, 2000 Addenda Date and revision of inspection plans Surry Unit 1, 4th Interval ISI Plan, Revision 9, Auigust 23, 2011 Edition and Addenda of Section XI applicable to repair/replacement activities, if different than the inspection plans Code Cases used: N-460. N-532-4. N-533-1. N-566-2 (if applicable)
CERTIFICATE OF CONFORMANCE I certify that (a) the statements made in this report are correct; (b) the examinations and tests meet the Inspection Plan as required by the ASME Code,Section XI; and (c) the repair/replacement activities and evaluations supporting the completion of $1R24 conform to the requirements f Section XI. (refueling outage number)
Signed /IIPoanOwner Date___________________________________
- J.4ner or Owne;r'esignee, 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 - Virginia and employed by HSB-CT of CT have inspected the items described in this Owner's Activity Report, and state that, to the best of my knowledge and belief, the Owner has performed all activities represented by this report in accordance with the requirements of Section XI.
By signing this certificate neither the Inspector nor his employer makes any warranty, expressed or implied, concerning the repair/
replacement activities and evaluation described in this report. Furthermore, neither the Inspector nor his employer shall be liable in any manner for any personal injury or property damage or a loss of any kind arising from or connected with this inspection.
--- I v,_ _ Commissions VA883(R)
Inspector's Signature National Board, State, Province, and Endorsements Date _____ __
Page 1 of 7 CASE CASES OF ASME BOILER AND PRESSURE VESSEL CODE N-532-4 FORM OAR-1 OWNER'S ACTIVITY REPORT TABLE 1 ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRED EVALUATION FOR CONTINUED SERVICE Examination Item Description Evaluation Description Category and Item B-P, B15.70 1-RC-HCV-1557B / Body to Bonnet During the performance of an ASME Section Xl system pressure test (1-NPT-RC-002), boric acid was discovered on the body to bonnet joint of 1-RC-HCV-1 557B. (CR473948)
In accordance with IWA-5250(a)(2), a VT-3 examination of the flange fastener was performed.
This evaluation determined the fastener to be acceptable with no degradation.
B-P, B15.70 1-RC-PCV-1455A Body to Bonnet During the performance of an ASME Section XI system pressure test (1-NPT-RC-002), boric acid was discovered on the body to bonnet joint of 1-RC-PCV-1455A. (CR473993)
In accordance with IWA-5250(a)(2), a VT-3 examination of the flange fastener closest to the source of the leakage was performed. This evaluation determined the fastener to be acceptable with no degradation.
B-P, B15.70 1-SI-85/ Body to Bonnet During the performance of an ASME Section Xl system pressure test (1-NPT-RC-002), boric acid was discovered on the body to bonnet joint of 1-SI-85. (CR474000)
Code Case N-566-2 was used to perform an evaluation of the bolting and component material.
This evaluation determined the bolting and component to be acceptable for continued service.
C-H, C7.10 1-CH-TCV-1143 Body to Bonnet During the performance of an ASME Section XI system pressure test (1-NPT-CH-006), boric acid was noted on the flange of 1-CH-TCV-1143. No degradation to the valve was identified during this VT-2 examination. (CR442810)
Code Case N-566-2 was used to perform an evaluation of the bolting and component material.
This evaluation determined the bolting and component to be acceptable for continued service.
Page 2 of 7 CASE CASES OF ASME BOILER AND PRESSURE VESSEL CODE N-532-4 FORM OAR-1 OWNER'S ACTIVITY REPORT TABLE 1 ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRED EVALUATION FOR CONTINUED SERVICE Examination Item Description Evaluation Description Category and Item C-H, C7.10 1-RH-20 / Body to bonnet During the performance of an ASME Section XI system pressure test (1-NPT-RH-001), boric acid was discovered on the body to bonnet joint of 1-RH-20. (CR473931)
Code Case N-566-2 was used to perform an evaluation of the bolting and component material.
This evaluation determined the bolting and component to be acceptable for continued service.
C-H, C7.10 1-CS-8 / Body to bonnet During the performance of an ASME Section Xl system pressure test (1-NPT-CS-002), boric acid was discovered on the body to bonnet joint of 1-CS-8. (CR465035)
In accordance with IWA-5250(a)(2), a VT-3 examination of the flange fastener closest to the source of the leakage was performed. This evaluation determined the fastener to be acceptable with no degradation.
C-H, C7.10 1-RH-HCV-1142 / Packing gland area During the performance of an ASME Section Xl system pressure test (1-NPT-RH-001), boric acid was noted from the packing gland area of 1-RH-HCV-1 142 and ran across the body to bonnet connection but did not contact body to bonnet fasteners. (CR473933)
Code Case N-566-2 was used to perform an evaluation of the bolting and component material.
This evaluation determined the bolting and component to be acceptable for continued service.
D-A, D1.20 1-CC-H019-2 / Missing weld VT-1 examination performed on integral attachment 01-CC-H019-2 on 8"-CC-66-151 identified a missing weld.
(CR474220)
Engineering evaluation concluded the support is functional with the missing weld.
Page 3 of 7 CASE CASES OF ASME BOILER AND PRESSURE VESSEL CODE N-532-4 FORM OAR-1 OWNER'S ACTIVITY REPORT TABLE 1 ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRED EVALUATION FOR CONTINUED SERVICE Examination Item Description Evaluation Description Category and Item F-A, F1.10 1-RC-HO17B / Loose nut, bottom-out on down rod VT-3 examination of spring hanger 1-RC-H017B on line 4"-RC-1 5-1502 identified a loose nut on the end of the load stud where it is free to rotate.
Additionally, the down rod in clevis is threaded tight against the load stud and held in place by lock nut. (CR475293)
Engineering evaluation concluded the support is functional.
The loose nut was tightened with work order 38103227960 as permitted by IWF 3112.3(b)
F-A, F1.10 1-RC-H031 / Loose attachment VT-3 examination of rigid pipe hanger 1-RC-H031 on line 4"-RC-14-1502 identified a loose locking nut allowing rotation of the support to pipe attachment. (CR474453)
Engineering evaluation concluded the support is functional.
The loose nut was tightened with work order 38103219622 as permitted by IWF 3112.3(b)
F-A, F1.10 1-RC-H029 I Loose attachment VT-3 examination of vertical constraint pipe hanger 1-RC-H029 on line 4"-RC-1 4-1502 identified a loose locking nut which could allow sway strut to rotate. (CR474451)
Engineering evaluation concluded the support is functional.
The loose nut was tightened with work order 38103219620 as permitted by IWF 3112.3(b)
F-A, F1.10 1-CH-H002 / Corrosion and material wastage VT-3 examination performed on support 01-CH-H002 on line 2"-CH-5-1502 identified significant corrosion/material wastage of structural member. (CR474284)
Engineering evaluation concluded the support is functional.
This condition was repaired during the Unit 1 RFO under W038103218396 as permitted in IWF-3112.3(b) and is included in Table 2 of this report.
Page 4 of 7 CASE CASES OF ASME BOILER AND PRESSURE VESSEL CODE N-532-4 FORM OAR-1 OWNER'S ACTIVITY REPORT TABLE 1 ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRED EVALUATION FOR CONTINUED SERVICE Examination Item Description Evaluation Description Category and Item F-A, F1.20 1-SI-H024 / Insufficient thread engagement VT-3 examination of pipe support 1-SI-H024 on line 2"-SI-80-1502 identified two nuts with insufficient thread engagement. (CR475755)
Engineering evaluation concluded the support is functional.
F-A, F1.20 1-CS-H004 / Insufficient thread engagement VT-3 examination performed on support 1-CS-H004 on line 8"-CS-33-153 identified insufficient thread engagement on pipe clamp.
(CR474791)
Engineering evaluation concluded that all fasteners are tight and, with the noted condition, support is functional.
F-A, F1.20 1-SI-H002 / Clearance and welds not per drawing VT-3 examination of vertical/lateral constraint 1-SI-H002 on line 3"-SI-147-1503 identified the following rejectable conditions: (CR474808)
- 1) Significant corrosion was noted on the weld connection of the vertical and lateral structural members.
- 2) Loss of cross sectional area of weld.
- 3) 0" gap in location "B" of pipe strap. This gap should be 1/16".
Engineering evaluation concluded the support is functional.
F-A, F1.20 1-WAPD-H002 / Clearance and welds not per VT-3 examination of vertical/lateral constraint drawing 1-WAPD-H002 on line 6"-WAPD-2-601 identified pipe to support structure clearance on one side does not match that shown on the support drawing. Additionally, several field welds shown on the drawing are either missing or incomplete.
(CR474875)
Engineering evaluation concluded the support is functional.
Page 5 of 7 CASE CASES OF ASME BOILER AND PRESSURE VESSEL CODE N-532-4 FORM OAR-1 OWNER'S ACTIVITY REPORT TABLE 1 ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRED EVALUATION FOR CONTINUED SERVICE Examination Item Description Evaluation Description Category and Item F-A, F1.20 1-SI-H004 / Improper clearances VT-3 examination of lateral constraint 1-SI-H004 on line 6"-SI-49-1502 identified that three sides of the pipe have improper clearances. These sides show on the PSSK drawing as having clearances ranging from 1/16" to 1/8" (top, bottom and right side when viewing the drawing) but there were no verifiable clearances on any of these sides.
(CR475119)
Engineering evaluation concluded the support is functional.
F-A, F1.20 1-CS-H007 / Insufficient thread engagement VT-3 examination performed on support 1-CS-H007 on line 8"-CS-33-153 identified improper thread engagement on anchor.
(CR474792)
Engineering evaluation concluded that, with the noted condition, support is functional.
F-A, F1.30 1-CC-H012 / Additional material not on drawing VT-3 examination performed on support 1-CC-H012 on line 18-CC-230-121 identified additional structure not identified on support detail drawing. (CR474792)
Engineering evaluation concluded that, with the noted condition, support is functional.
MSDUR 12-600613 has been submitted to update 11448-PSSK-112A1.12 to show the conduit support.
F-A, F1.30 1-CC-H002 / Missing load scale VT-3 examination performed on spring support 01-CC-H002 on line 6"-CC-80-151 identified a missing load indicator scale. (CR474279)
Engineering evaluation concluded the support is functional.
WO 38103218395 was initiated to replace the missing load scale during the next U1 RFO.
Page 6 of 7 CASE CASES OF ASME BOILER AND PRESSURE VESSEL CODE N-532-4 FORM OAR-1 OWNER'S ACTIVITY REPORT TABLE 1 ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRED EVALUATION FOR CONTINUED SERVICE Examination Item Description Evaluation Description Category and Item F-A, F1.30 1-CC-H015 / Loose bolts and corrosion V--3 examination performed on support 1-CC-H015 on line 18"-CC-237-121 identified loose bolts and washers, and significant corrosion/wastage of the baseplate. (CR473478)
Engineering evaluation concluded, with the currently installed temporary supports and shims installed per DCP 07-010 and the degradation noted during the examination, the support is functional under all design basis loading conditions.
WO 38103216145 was initiated to repair this support during the DCP 07-010 project.
Page 7 of 7 CASE CASES OF ASME BOILER AND PRESSURE VESSEL CODE N-532-4 FORM OAR-1 OWNER'S ACTIVITY REPORT TABLE 2 ABSTRACT OF REPAIRIREPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE Code Class Item Description Date Repair/Replacement Description of Work Completed Plan Number 1 2" CH-5-1502 Perform piping support repairs on 05/29/2012 2012-089 01-CH-PP-2.00-CH-PIPE-5-1502.
2 12" SI-2-153 Remove indications / perform weld 06/01/2012 2012-091 repairs on 01-SI-PP-12.00-SI-2-153.
3 01-CC-E-1A 01-CC-E-1A Outlet End Bell Drain 02/07/2012 2012-045 Plug Failed. Install and weld plug in boss of outlet channel head.
3 48" WC-1-10 Perform weld repairs on 05/20/2012 2012-088 01-SW-PP-48.00-WC-PIPE-1-10.
3 96" WC-1-10 Perform weld repairs on 05/20/2012 2012-087 01-SW-PP-96.00-WC-PIPE-1-10.
3 30" WS-464-151 Repair through-wall leak on 04/01/2011 2011-086 01-SW-PP-30.00-WS-PIPE-464-151.
3 01-VS-YS-1D Replace Strainer 01-VS-YS-1D. 02/07/2012 2012-020 3 01-SW-TI-109E Replace thermowell on 02/25/2011 2011-068 01-SW-TI-109E