ML021440453
| ML021440453 | |
| Person / Time | |
|---|---|
| Site: | Surry  |
| 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