ML021440453

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Summary of Conference Call with Virginia Electric & Power Co Regarding Steam Generator Tube Inspection at Surry, Unit 2, Attachment 2, Work Scope Spring 2002 Outage
ML021440453
Person / Time
Site: Surry Dominion icon.png
Issue date: 05/24/2002
From: Edison G
NRC/NRR/DLPM/LPD2
To: Christian D
Virginia Electric & Power Co (VEPCO)
References
TAC MB4773
Download: ML021440453 (1)


Text

ATTACHMENT 2 WORK SCOPE- SURRY UNIT 2 SPRING 2002 OUTAGE Primary Side("A" S/G):

Removc, Inspect, Clean, and Reinstall Manway and Studs Clean, Inspect, and Gauge Manway Stud Holes Remove, Inspect, Clean. and Reinstall Diaphragm [incl. Seating Surface Inspection and FME Control]

Eddy Current, Other Testing, Analysis, and Tube Plugging

- 100% Bobbin Exam[Full Length except straight only for Row 1 H/L and C/L] (3327 Tubes)

- 20% Rotating Plus-Point Probe Exam Top oý Tubesheet H/L [+3"/-3"](667 Tubes will include a 60% population of Critical Area Tubes)

- 200 tube sample of C/L Top of Tubesheet transitions concentrated in low flow area[+1 "/-1" extent]

- Rotating Probe Exam(Plus-Point) of Row 1 U-bends(92 tubes => 7H to 7C)

- Rotating Probe(Plus-Point) Confirmation of Bobbin Indications per Virginia Power Analysis Guidelines

- Tube plugging as necessary

- H/L and C/L Tubesheet Video Exam Secondary Side:

Upper: ("A" S/G)

- Remove, Inspect, and Reinstall Manways and Boits[incl. Seating Surface Inspection, FME control, Bolt hole gauging, and Ventilation]

Feedring Tee and Adjacent Component Ultrasonic Thickness Inspection in Susceptible Areas

- Routine Steam Drum visual inspection and video documentation; internal F/R video at all J nozzle interfaces and suspect areas

- Remote Video Camera Inspection of 7 Tube Support Plate through Swirl Vanes Lower:

"A". "B". "C" S/G

- Sludge Lance, cleanliness and foreign object search(FOS) inspection, sludge/scale sample collection for analysis

- Foreign object retrieval, as necessary "A" S/G Only

- Pre Sludge Lance in-bundle inspection(@ TTS H/L and C/L side)

- Post Sludge Lance in-bundle inspection merged with FOS inspection 21 Enclosure 2