ML20073R727
| ML20073R727 | |
| Person / Time | |
|---|---|
| Site: | Shoreham File:Long Island Lighting Company icon.png |
| Issue date: | 01/31/1983 |
| From: | Rose J LONG ISLAND LIGHTING CO. |
| To: | |
| Shared Package | |
| ML20073R718 | List: |
| References | |
| 32-050.02, 32-50.02, NUDOCS 8305040514 | |
| Download: ML20073R727 (6) | |
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ENCLOSURE 11 1 of 6 LILC0 COPY FROM TERiiINAL SH10 DATE 83112 TItiE 0938373 PM INQUIRY SECTION SN STARTUP MAINT ACTIVITY PREVENTIVE MAINTENAt4CE PRIORITY i ACTIVITY NO. iR22*i80SWG-iO2
-0003 PROCEDURE NO. 32.050.02 A/l A EQUIPMEN~, NMiE 45 60 V SWITCHGEAR LOCATI0l4 TE-02S ACTIVITY DESCRIPTION SWITCHGEAR VISUAL INSPECTION FOR CLEAT 4LINESS, ELECTR; CAL A
'D MECHf.NICAL DEGRADATION RELATED ACTIVITIES REFERENCES GEH 1802 FREQUENCY 0060 LAST PERFORMED 01/14/0i DUE 08/11/83 EXTEi4S10N 11/02/04 EST. MAN HOURS 0000.4 SKILL CONDITIO4 CODES 6, MUR REQD Y RWP REQD Y W.E.
AUTH. REQD Y SPECIAL REQUIREMENTS SUITCHGEAR DE-ENERGIZED. INSPECTION IS TO DETERiiINE MAINT.
REQUIREMENTS PER GEH 1802, CONTACT THE TEST ENGINEER / LEAD ELECTRICAL TEST ENGIN
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LAST COMPLETION DATA ENTERED:
LEADMAN TItiE 0000 DATE 08/09/82 TOTAL MANHOURS EXPEt4DED COMPLETED NORti AL -C DEFERRED-i INC0hPLETE-2 ADVANCED-3 OTHER-A CODI 4 1
ADVANCED T0/ DEFERRED U!!TIL
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COMMENTS DEFER ACTIVITY AND CHANGF ' REG
.JENCY TO FIVE YEARS AS PER F. RODRIGUES fi ENT ER TO CONTI 'UE INQUIRY NODE UR lVPE END Ar?D ill f LN f ER 10 Ct: KEL.
8305040514 830422 PDR ADOCK 05000322 E
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aviewed/00A Engr. d L
Approved / Plant Mgr.
Y MC-1.i SP Number 32.050.02 Revision 2 DateEff.jll/l[3 TPC TPC TPC
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4160V METAL ENCLOSED SITITCHGEAR - CENERAL MAINTENANCE 1.0 PURPOSE To provide maintenan,ce personnel with instructions for the inspection and m'aintenance of the 4160V metal enclosed switchgear.
2.0 PISPONSIBILITY The Maintenance Engineer shall be responsible for the proper implementation of this procedure.
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!IlI!01,CD.F.J PPF1021.300-6.421 JAti 311B3
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, 3. 0 DISCUSSION 3.1 Metal enclosed switchgear is equipment u' sed to control and protect various types of electrical apparatus and power circuits. The switchgear consists of one or more units which are mounted side by side and conected mechanically or electrically together to form a complete unit.
3.2 The following topics are contained in this procedure:
Page 8.1 Buswork Checkout 2
8.2 Cubicle Checkout 3
Appendix 12.1 - Bolt Torque Values for Metal Clad Switchgear (GE) 4.0 PRECAUTIONS 4.1 Insure that the switchgear has been properly taken out of service.
4.2 Do not use air to blow dust or dirt from the switchgear.
4.3 Do not remove tape from bolted bus bar connections for the purpose of checking the torque of those bolts.
5.0 PREREQUISITES 5.1 Station Equipment Clearance Pernit, SP 12.011.01.
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}hintenance Work Request.:SP 12.$13.01.
5.3 Calibrated test equipment shall not have exceeded its calibration duc date.
6.0 LIMITATIONS AND ACTIONS N/A 7.0 MATERIALS OR TEST EOU1PMENT 7.1 Voltmeter to detect 4160 volts 7.2 Torque Urench. 0-100 foot-pound 7.3 Ground cables 7.4 C1 caning material 7.5 Electrical testing equipment per SP 32.009.01, Insulation Resistance Test of Auxiliary Electrical Equipment.
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7.6 Ductor Tester 7.7 GE D50H15 Lubricant or equivalent s
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SP 32.050.02 Rev. 2 Page 2
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4 of 6 7.8 CE Y'Ilow joint conpound D50H109 or equivalent c
8.0 PROCEDURE 8.1
~Buswork Checkout 4
8.1.1 Open hinged panels and remove bolted panels to gain access to bus connections.
8.1.2 Insure that all three phases of the switchgear are deenergized by using voltage testing equipment.
8.1.3 Apply ground cabic from each phase to ground.
8.1.4 Clean all exposed buswork and insulators with a clean dry cloth in accordance with Reference 11.1 page 20.
8.1.5 Remove dust, dirt and loose debris with a vacuum or manual cleaning.
l 8.1.6 Check the switchgear and ground bus connections for proper torque per Appendix 12.1.
8.1.7 Apply a light coating of CE yellow joint compound D50ll109 or equivalent to all torqued connections.
t 8.1.8 Renove the boot insulators from the main bus joints per Reference 11.1 page 21, Figu;re 25A.
8.1.9 Visually inspect for burned, heat affected or corroded areas.
i 8.1.10 Verify the torque values of the main bus bolts per Appendix 12.1.
8.1.11 Perform a Ductor test on each phase per SP 32 0D9 01. Insulation Resistance Test of Auxiliary Electrical Equipment.
<T 8.1.12 Re-install the boot insulators.
8.1.13 Inspect doors, panels and fittings for proper fit and tightness.
8.1.14 Renove the grounds unless cubicles are to be checked.
8.1.15 Reinstall the hinged and bolted panels.
8.2 Cubicle Checkout 4
8.2.1 Insure that all three phases of the switchgear are deenergized by using voltage testing equipment.
8.2.2
. Apply ground cables from each phase to ground unless already applied.
i SP 32.05D.D2 Rev. 2 Page 3
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5 of 6 8.2.3 Visually inspect each cubicle for broken or missing parts.
8.2.4 Inspect each cubicle door handle and latching mechanisn for proper alignnent and latching.
8.2.5 Vacuum clean each cubicle for dust, dirt or debris.
,8. 2. 6 Ensure that bolted connections, nuts and screws are tight.
8.2.7 Ensure that cable connections are tight and supported.
8.2.8 Visually inspect control wiring for signs of wear, burns or heat affected areas.
8.2.9 Clean elevating mechanism and lubricate jack screws and gears with G.E. #D50H15 or other suitable lubricant.
8.2.10 Remove ground cables.
8.2.11 Reinstall all hinged and bolted panels.
9.0 ACCEPTANCE CRITERIA 9.1 The switchgear and cubicles visually clean of dirt or debris.
10.0 FINAL CONDITIONS
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10.1 Main bus bolts torqued acEording to Appendix 12.1.
10.2 All grounds removed.
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10.3 Return Master Hold Off to NSO.
10.4 Maintenance Work Request Submitted to repair broken or missing parts and replace worn or heat affected wiring.
10.5 Maintenance instory Form SPF 31.002.01-53D complete and submitted to
<2 Maintenance Engineer for review.
11.0 REFERENCES
11.1 General Electric Co., Switchgear Equipment G003.180.02.
(2 12.0 APPENDICES 12.1 Torque Value Chart.
SP 32.050.02 Rev. 2 Page 4
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6 of 6 APPEX61X l' _.1 1
f BOLT TORQUE VALUES FOR METAL-CLAD SWITCIIGEAR (GE)
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1 BOLT TORQUE SIZE FOOT POUNDS MATERIAL 3/8" - 16 15 STEEL 1/2" - 13 30 COPPER 5/8" - 11 35 ALMIRMI ALLOY I
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I SP 32.050.02 Rev. 2 i
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