ML20217P804
| ML20217P804 | |
| Person / Time | |
|---|---|
| Site: | Davis Besse  |
| Issue date: | 04/07/1998 |
| From: | CENTERIOR ENERGY |
| To: | |
| References | |
| NUDOCS 9804100198 | |
| Download: ML20217P804 (2) | |
Text
5~D -5 YC FnsL/w-t'/df i
l Davis-Besse Nuclear Power Station 11RFO OTSG ECT Inspection Scope l
1 l
l Tube Inspection / Testing l
l Background Information 5 Two Once-Through Steam Generators 5 SG A(1-2)
Number of Tubes-15457 Number of Tubes Plugged - 381 Number of Tubes Sleeved - 199 E SG B (1-1) i Number of Tubes - 15457 Number ofTubes Plugged - 66 Number of Tubes Sleeved - 212 l
l Schedule i
E llRFO: April 11 to May 18 5 SG Work Window: April 14 to May 4 (Manway-to-Manway)
E SG Inspection: April 17 to May 2 i
Eddy Current Inspection l
l E 100% Full Length Bobbin l
E 20% RPC Upper Roll Transition d
O eh( i 9804100198 980407 PDR ADOCK 05000346 I
G PDR l
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W 20% RPC Rolled Plugs E 20% Sleeves, Bobbin & RPC E 160 RPC Sleeve Zone Border Tube E 68 RPC Dents / dings E Approximately 1400 RPC Special Interest, 6
l In-situ Pressure Test 1'
i l
5 <10 Tubes (Estimate 4 pcr SG)
I 5 Pressurize the tube up to 3 Delta P (4025 PSID) i Tube Pull l
l 5 Pull 1 to 4 tubes, as identified.
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