ML092240559

8/11/09 Prairie Island Request for Information

ML092240559
Person / Time
Site:	Prairie Island
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