ML20080N240
| ML20080N240 | |
| Person / Time | |
|---|---|
| Site: | Beaver Valley |
| Issue date: | 09/22/1983 |
| From: | DUQUESNE LIGHT CO. |
| To: | |
| Shared Package | |
| ML20080N218 | List: |
| References | |
| NUDOCS 8310040411 | |
| Download: ML20080N240 (3) | |
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DUQUESNE LIGHT COMPANY BEAVER VALLEY UNIT 1 REACTOR VESSEL INSERVICE ItiSPECTION REFUELING OUTAGE CORE I-II The areas listed below were examined as required by the plant Technical Specification and the 1974 Edition of Section XI of the ASME Boiler and Pressure Code with Addenda through Summer 1975 utilizing the Westinghouse remotely operated tool.
VESSEL-TCOL INTERFACE PARAMETERS (a) Vessel head alignment pins located at 0, 90, 180 and 270 degrees vessel axis.
(b) Closure head guide studs located in stud holes #5, #21, and #37 on 171.25 inch pitch circle diameter.
(c) Tool aligned on pin at 90 degrees, other two legs at 210 and 330 deg rees.
EXAf1INATION REQUIREMENTS IWB-2600 Item Bl.3 VESSEL TO FLANGE WELD Thirty percent of the total length of the weld to be examined.
Examine from centerline of stud hole #8 at 43.45 degrees axis, clockwise around to stud hole #13 at 74.68 degrees vessel l
axis, and from stud hole #40 at 242.07 degrees to stud hole #52 at 316.55 degrees vessel axis (105 degrees total).
l IWB-2600 Item Bl.4 0UTLET N0ZZLE TO SHELL WELD Examine nozzle to shell weld and nozzle protrusion l
of Loop 1 and 2 outlet nozzles.
Centerline of nozzles located 82.86 inches from top surface of flange.
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Outlet nozzles located at 25.03 and 144.90 degrees a
vessel axes.
8310040411 830922 PDR ADOCK 05000334 G
PDR l-
(2 - SI APPENDIX A CALIBRATION REQUIREMENTS i
SEARCH UNIT AREA TO BE INCIDENT REFRACTED CAL. BLOCK WATER PATH HANIPULATOR EXAMINED ANGLE ANGLE IDENTITY DISTANCE CALIBRATION REFLECTOR IDENTITIES ORIENTATION (STEP 6.3)
( 6. 3.1 ) *
(6.3.3)*
(6.3.4)*
6.6.6*
6.3.7*
6.3.8*
6.3.3*
Outlet Nozzle 0*
0 BVl-27 11" Hole C Hole B Hole A Vertical to Vessel Weld 4*
16*L BVl-27 11" Hole C Hole B Hole A Vertical Nozzle Inside 23*
60 BV1-23 12" Hole D Hole E N/A Vertical Radius Flange to 0
0
_CWE-RV-1 8"
Hole B Hole C Hole D Horizontal Vessel Weld 1
4L CWE-RV-1 8"
Hole B Hole C Hole D Horizontal 3
11 L CWE-RV-1 8"
Hole B Hole C Hole D Horizontal Ligaments 0*
0 BVl-27 9 1/2" Hole A Hole B Hole D Horizontal Safe-End Weld 0
0 Figure 2 5"
Hole A Hole B Hole C Vertical 10 1/2 45 L Figure 2 5"
Hole A Hole B Hole C Vertical i
See Procedure WMF-95044-P-001, Appendix E, Part 1, for referenced paragraphs.
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