ML20040H427
| ML20040H427 | |
| Person / Time | |
|---|---|
| Site: | San Onofre  |
| Issue date: | 03/23/1981 |
| From: | Holmer R, Mcmahon S, Montroy R SOUTHERN CALIFORNIA EDISON CO. |
| To: | |
| Shared Package | |
| ML20040H416 | List: |
| References | |
| SQ1-I-1.77, NUDOCS 8202180241 | |
| Download: ML20040H427 (3) | |
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SdNONOFRENUCLEARGENERATINj0N STATION MAINTENANCE PROCEDUR 50f-T-E g
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UNIT 1 W
REVISION O Page 1
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MfCHANICALSHOCKANDSWAYARRESTORINSPECTIONQ 1.0 OBJECTIVE 1.1 The purDose of this maintenance procedure is to outline the visual examination and manual testing of mechanical snubbers.
2.0 REFERENCE 2.1 Pacific Scientific Company Mechanical Shock Arrestor Manual PSA-3.
gi 2.2 I.E. Bulletin 81h01]
RECEWED 2.3 Maintenance Proce ures 501-I-1.14
@REO 3.0 PREREQUISITES EDM W 3.1 Inspection during refueling or cold shutdown.
3.2 All work will be governed by the requirements of Reference 2.3.
4.0 PRECAUTIONS 4.1 Observe SCE Accident Prevention Manual.
5.0 CHECK-OFF LIST 5.1 Mrchanical snubber identification.
6.0 PROCEDURE l
6.1 Visually inspect for physical damage, bracket pins properly installed and cotter keys in place.
6.2 Testing 6.2.1 Remove one bracket pin.
6.2.2 Verify the snubber has freedom of movement by manually stroking the snubber through its full length of travel.
6.3 Record satisfactory or unsatisfactory condition on Attachment 1 6.4 Repeat steps 6.1 through 6.3 for each snubber listed on
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1 SAN ONOFRE NUCLEAR GENERATING STATION MAINTENANCE PROCGURE S01-I-1.77 UNIT 1 MAR 10 Q1 REVISION O Page 2
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7.0 RECORDS i
7.1 Mechanical Snubber Check-off Li t.
7.2 Reviewed by:
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W5rk' Superviso'r Date 5.LL).
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Date 7.3 File completed procedure in EDM 8.0 ATTACHMENTS 8.1 Mechanical Snubbers.
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R. R. BRUNET SUPERINTENDENT UNIT 1 APPROVED:
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TAR GENERATING STATION MINTENANCE PROCEDURE S01-I 'l.77 "f
1 WI~M REVISION O Page 3 ATTACHMENT 1 MECHANICAL SNUBBERS I.
INACCESSIBLE DURING NORMAL PLANT OPERATION:
SNUBBER NO.
LOCATION LINE NO.
SAT. UNSAT.
l S.I. Piping System 6006 Rs4 3 rI l-SS-150lR-ll i
S.I. Piping System 6006 A34 3
/s l-SS.lE01R-14
-i 1-SS-150lR-12 S.I. Piping System 6007 psf 3 27_
1-SS-150lR-15,
S.I. Piping System 6007 #543 r/
1-SS-1501R-10 S.I. Piping System 6008 AMF rs 1-SS-150lR-13 i S.I. Piping System 6008 M J 4//
l l-6018-SS-006-S.I. Piping System 6018 %
V-1-6019-55-006-S.I. Piping System 6019 %
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-S.T. Piping System 734 pso [
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'l-734-55-003
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II.
ACCESSIBLE DURING NORMAL PLANT OPERATION:
S.I. Piping System 6005$835~ P
/;/i-SC-150lR-03 J 6005 Sf f/,
6-SC-150lR-02,
- 1 D/G Intake 1540
- 3 V/
A A-16-2 1
- 1 D/G Intake 1542 4J V,
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SA-16-3 2
- 1 D/G Exhaust 1544 T
6 1544 $ M /D
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1544 M 86 V/
SA-16-5 1544/&9 rs j
- 2 D/G Intake 1547 V/
1 SA-17 # 2 D/G Intake 1549 J _V SA-17-3.*
- 2 D/G Exhausd 1551 D
V 1551 #J /0
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SA-17-4 0 1551 Sf V/
SA-17-5
- 1551 A)
V, vjA-17-6 i
/SA-1 S.I. Piping System 3122/y4 /
V,
-SS-151R-11,?
S.I. Piping System 6002F M 35, V
14-PS-2A 6002
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18-SW-10 rt, S.1. Piping System 318 r/
F 31845W-11 J '
- 318 4
-Y l-6019-55-2 S.I. Piping System 734 #J4 6 V-
/4 SW-151R 5.I. Piping System 6003/ M O V
6003/#S4I V
-PS-2B g
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