ML021640036
| ML021640036 | |
| Person / Time | |
|---|---|
| Site: | Seabrook  |
| Issue date: | 06/03/2002 |
| From: | Peschel J North Atlantic Energy Service Corp |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| NYN-02054 | |
| Download: ML021640036 (4) | |
Text
North"',o" North Atlantic Energy Service Corporation SNorth P.O. Box 300 NorthSeabrook, NH 03874 S Atlantic (603) 474-9521 The Northeast Utilities System June 3, 2002 Docket No. 50-443 NYN-02054 U.S. Nuclear Regulatory Commission Attn.: Document Control Desk Washington, DC 20555 - 0001 Seabrook Station Steam Generator Tubes Plugged During Eighth Inservice Inspeclion North Atlantic Energy Service Corporation (North Atlantic) has enclosed, pursuant to Seabrook Station Technical Specification Surveillance Requirement 4.4.5.5a, a tabulation of the number of tubes plugged in each steam generator ("A", "B", "C", and "D") inspected during the Eighth inservice inspection. The Eighth inservice inspection was completed on May 24, 2002.
The complete results of the Eighth inservice inspection for steam generators will be submitted prior to May 24, 2003, pursuant to Technical Specification Surveillance Requirement 4.4.5.5b.
Should you have any questions regarding this information, please contact Mr. Robert E. White, Manager-Nuclear Design Engineering at (603) 773-7854.
Very truly yours, NORTH ATLANTIC ENERGY SERVICE CORP.
- Q.anager
- Regulatory Programs cc:
H. J. Miller, NRC Region I Administrator R.D. Starkey, NRC Project Manager, Project Directorate 1-2 G.T. Dentel, NRC Senior Resident Inspector
ENCLOSURE 1 TO NYN-02054
Seabrook Station Steam Generator Tubes Plugged During Eighth Inservice Inspection Technical Specification 4.4.5.5a requires that "within 15 days of completion of each inservice inspection of steam generator tubes, the number of tubes plugged in each steam generator shall be reported to the Commission in a Special Report pursuant to Specification 6.8.2."
Steam Generator A Row Column Description 5
1 Box in tube - preventively plugged 6
1 Box in tube - preventively plugged 5
2 Box in tube - preventively plugged 6
2 Volumetric Indication 7
2 Box in tube - preventively plugged 5
3 Box in tube - preventively plugged 6
3 Box in tube - preventively plugged 7
3 Box in tube - preventively plugged 41 41 AVB wear 46 61 AVB wear 47 61 AVB wear 52 87 AVB wear 53 87 AVB wear Total: 13 Steam Generator B No tubes plugged.
Steam Generator C No tubes plugged.
1
Seabrook Station Steam Generator Tubes Plugged During Eighth Inservice Inspection Steam Generator D Row Column Description 13 3
Volumetric Indication 39 17 AVB wear 9
24 Axial Crack 9
26 Axial Crack 46 46 AVB wear 56 46 AVB wear 42 50 AVB wear 49 50 AVB wear 5
62 Axial Crack 9
62 Axial Crack 4
63 Axial Crack 9
63 Axial Crack 4
65 Axial Crack 56 76 AVB Wear 5
80 Axial Crack 5
81 Axial Crack 6
81 Axial Crack 5
82 Axial Crack 5
83 Axial Crack 6
85 Axial Crack 5
86 Axial Crack 5
88 Axial Crack Total: 22 2