ML092240559: Difference between revisions

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{{#Wiki_filter:Prairie Island Unit 1 - Supplemental Document Request to Support Baseline ISI inspection procedure 71111.08. Please provide the inspector (M. Holmberg) with the following documents at the on-site inspection entrance meeting scheduled for September 14, 2009. Additionally, please provide confined space, fall protection, and FME training for (Melvin Holmberg and Atif Shaikh) on September 15, 2009 to support observation of NDE examinations.
{{#Wiki_filter:Prairie Island Unit 1 - Supplemental Document Request to Support Baseline ISI inspection procedure 71111.08. Please provide the inspector (M. Holmberg) with the following documents at the on-site inspection entrance meeting scheduled for September 14, 2009. Additionally, please provide confined space, fall protection, and FME training for (Melvin Holmberg and Atif Shaikh) on September 15, 2009 to support observation of NDE examinations.
Welds Selected for Review
Welds Selected for Review:
: WO/Weld No Description & System Supporting Docs. PO # 21572, Item 1-25-014 Cooling Water (CL)
WO/Weld No                 Description & System       Supporting Docs.
Class 3  (In-Process welding) Weld build up on Suction Bells, column pipe flanges, discharge elbow, and connector pipe. Replaced lower column pipe. 1) NRC information request letter dated July 8, 2009, Paragraph B.1 documents.  
PO # 21572,               Weld build up on           1) NRC information request letter dated July Item 1-25-014              Suction Bells, column      8, 2009, Paragraph B.1 documents.
: 2) Copy of applicable construction code and material specifications (ASTM, ASME etc) for use by inspector for duration of inspection. 3) Vendor fabrication drawings for affected components. WO #100611-07, Item 1-24-059 Cooling Water (CL),
Cooling Water (CL)        pipe flanges,              2) Copy of applicable construction code and Class 3                    discharge elbow, and      material specifications (ASTM, ASME etc) for connector pipe.            use by inspector for duration of inspection.
Class 3 Weld Buildup of wasted areas of shell and attachment weld areas. 1) NRC information request letter dated July 8, 2009, Paragraph B.1 documents.  
(In-Process welding)      Replaced lower            3) Vendor fabrication drawings for affected column pipe.              components.
: 2) Copy of applicable construction code and material specifications (ASTM, ASME etc) for use by inspector for duration of inspection. 3) Vendor fabrication drawings for affected components. WO#304392-01 Item 1-24-054, Reactor Coolant System (RC)
WO #100611-07,             Weld Buildup of           1) NRC information request letter dated July Item 1-24-059            wasted areas of shell      8, 2009, Paragraph B.1 documents.
Class 1 Installed new isolation valve (RC-8-42 pzr loop seal drain valve) and replaced associated piping. 1) NRC information request letter dated July 8, 2009, Paragraph B.1 documents.
Cooling Water (CL),        and attachment weld        2) Copy of applicable construction code and Class 3                    areas.                    material specifications (ASTM, ASME etc) for use by inspector for duration of inspection.
2)EC-11442 (descriptions and drawings) 3) B31.1 Code 1967 Edition for use by inspector for duration of inspection. Corrective Action Documents Selected for Review: Number Title Supplemental Information AR-01151962 Pinhole leak at weld on Pipe 8-2CL-25 Operability evaluation and completed WO that repaired pipe AR-01167225 Missing Insulation and Rust on Inlet to 22 CC HX Apparent/root cause if performed. CAP- 1152070 Double Spring Can Hanger Binding Code Examination report, component drawing, vendor manual and basis for functionality (accepted as is) if not recorded on CR. CAP-1152093 Load indicator more than 10 percent out of tolerance. Site procedures used to evaluate acceptability of spring can supports, applicable to this type of support. Code Exam report, drawing and vendor manual. CAP-1128000 FME on reactor head flange Apparent/root cause if performed. CAP- 1140763 FME found in 12 RHR pit heat exchanger Apparent/root cause if performed. Summary Report 501615-R1 Elbow to Valve Weld W-6 Provide latest UT exam reports for welds W-5 and W-6 and procedure for approving weld substitutions.}}
: 3) Vendor fabrication drawings for affected components.
WO#304392-01               Installed new isolation    1) NRC information request letter dated July Item 1-24-054,             valve (RC-8-42 pzr         8, 2009, Paragraph B.1 documents.
Reactor Coolant            loop seal drain valve)    2)EC-11442 (descriptions and drawings)
System (RC)                and replaced              3) B31.1 Code 1967 Edition for use by Class 1                    associated piping.        inspector for duration of inspection.
Corrective Action Documents Selected for Review:
Number           Title                       Supplemental Information AR-             Pinhole leak at weld on     Operability evaluation and completed WO that 01151962        Pipe 8-2CL-25               repaired pipe AR-             Missing Insulation and       Apparent/root cause if performed.
01167225        Rust on Inlet to 22 CC HX CAP-             Double Spring Can           Code Examination report, component drawing, 1152070          Hanger Binding              vendor manual and basis for functionality (accepted as is) if not recorded on CR.
CAP-             Load indicator more         Site procedures used to evaluate acceptability of 1152093          than 10 percent out of      spring can supports, applicable to this type of tolerance.                  support. Code Exam report, drawing and vendor manual.
CAP-             FME on reactor head         Apparent/root cause if performed.
1128000          flange CAP-             FME found in 12 RHR         Apparent/root cause if performed.
1140763          pit heat exchanger Summary         Elbow to Valve Weld         Provide latest UT exam reports for welds W-5 and Report          W-6                          W-6 and procedure for approving weld substitutions.
501615-R1}}

Latest revision as of 04:16, 14 November 2019

8/11/09 Prairie Island Request for Information
ML092240559
Person / Time
Site: Prairie Island Xcel Energy icon.png
Issue date: 08/11/2009
From:
NRC/RGN-III
To:
References
Download: ML092240559 (2)


Text

Prairie Island Unit 1 - Supplemental Document Request to Support Baseline ISI inspection procedure 71111.08. Please provide the inspector (M. Holmberg) with the following documents at the on-site inspection entrance meeting scheduled for September 14, 2009. Additionally, please provide confined space, fall protection, and FME training for (Melvin Holmberg and Atif Shaikh) on September 15, 2009 to support observation of NDE examinations.

Welds Selected for Review:

WO/Weld No Description & System Supporting Docs.

PO # 21572, Weld build up on 1) NRC information request letter dated July Item 1-25-014 Suction Bells, column 8, 2009, Paragraph B.1 documents.

Cooling Water (CL) pipe flanges, 2) Copy of applicable construction code and Class 3 discharge elbow, and material specifications (ASTM, ASME etc) for connector pipe. use by inspector for duration of inspection.

(In-Process welding) Replaced lower 3) Vendor fabrication drawings for affected column pipe. components.

WO #100611-07, Weld Buildup of 1) NRC information request letter dated July Item 1-24-059 wasted areas of shell 8, 2009, Paragraph B.1 documents.

Cooling Water (CL), and attachment weld 2) Copy of applicable construction code and Class 3 areas. material specifications (ASTM, ASME etc) for use by inspector for duration of inspection.

3) Vendor fabrication drawings for affected components.

WO#304392-01 Installed new isolation 1) NRC information request letter dated July Item 1-24-054, valve (RC-8-42 pzr 8, 2009, Paragraph B.1 documents.

Reactor Coolant loop seal drain valve) 2)EC-11442 (descriptions and drawings)

System (RC) and replaced 3) B31.1 Code 1967 Edition for use by Class 1 associated piping. inspector for duration of inspection.

Corrective Action Documents Selected for Review:

Number Title Supplemental Information AR- Pinhole leak at weld on Operability evaluation and completed WO that 01151962 Pipe 8-2CL-25 repaired pipe AR- Missing Insulation and Apparent/root cause if performed.

01167225 Rust on Inlet to 22 CC HX CAP- Double Spring Can Code Examination report, component drawing, 1152070 Hanger Binding vendor manual and basis for functionality (accepted as is) if not recorded on CR.

CAP- Load indicator more Site procedures used to evaluate acceptability of 1152093 than 10 percent out of spring can supports, applicable to this type of tolerance. support. Code Exam report, drawing and vendor manual.

CAP- FME on reactor head Apparent/root cause if performed.

1128000 flange CAP- FME found in 12 RHR Apparent/root cause if performed.

1140763 pit heat exchanger Summary Elbow to Valve Weld Provide latest UT exam reports for welds W-5 and Report W-6 W-6 and procedure for approving weld substitutions.

501615-R1