ML17324A930
| ML17324A930 | |
| Person / Time | |
|---|---|
| Site: | Cook  |
| Issue date: | 05/29/1986 |
| From: | MCCARTHY P M INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG |
| To: | |
| Shared Package | |
| ML17324A931 | List: |
| References | |
| 1MHP2140.082.00, NUDOCS 8606130107 | |
| Download: ML17324A930 (22) | |
Text
INDIANA 8 NIICIIIGAN ELECTRIC CWFPANY DOt4~C COOK HUCLBN PLANT MAINTENANCE DEPARTMENT PROCEDURE COVER SHEE CONTROLLED DOCUMENT COPY NO.pro ecIute go**1MHP2140.082.001 Revision No.MAINTENANCE PROCEDURE FOR REPOMERING AN RHR PUMP SCOPE OF REVISION.yg.("+%y~~q~b'S IGNATURE5 ORIGINAL REVISION NUMBER PREPARED BY DEPARTMENT HEAD APPROVAL INTERFACING DEPARTMENT HEAD CONCURRENCE QUALITY ASSURANCE SUPERVISOR APPROVAL PLANT NUCLEAR SAFETY COMMITTEE PLANT MANAGER APPROVAL APPROVAL DATE (e(I 8606130107 860606 PDR'"ADQCK'5000315 F'y PDR EFFECTIVE DATE
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082.001 LIST OF EFFECTIVE PAGES PAGE NUMB%K 1 of 10 2 of 10 3 of 10 4 of 10 5 of 10 6 of 10 7 of 10 8 of 10 9 of 10 10 of 10 REVXSI(N NUMBER/EH%CTIVE CHANGES Revision 0 Revision 0 Revision 0 Revision 0 Revision 0 Revision 0 Revision 0 Revision 0 Revision 0 Revision 0 Attachment No.1 Page 1 of 1 Attachment No.2 Page 1 of 1 Attachment No.3 Page 1 of 1 Revision 0 Revision 0 Revision 0 Page 1 of 1 Revision 0
- 1MHP2140.082.001 INDIANA&MICHIGAN ELECIRIC KNPANY DONMD C.COOK NUCURR PLANT 1.0 TITLE: Maintenance Procedure for Repoaerimt an RHR Peep 2.0 QB3ECTIVE 2.1 This procedure provides instructions for the installation of a tanporary power feed to either a disabled Unit 1 East or West RHR pump fran a power source in Unit 2.It is intended for use when the pmrer and/or control cables for both RHR pumps have been fire damaged resulting in a loss of operability of the RHR system.3.0 REH~KXS 3.1 Equipnent Control-Clearance Permit System-PMI-2110.3.2 Radiation Protection Manual, Section 5eF and Procedure No.THP.6010.RAD.406 Radiation Work Permit.3.3 Plant Safety Manual, General Safety G.9.3.4 Maintenance Procedure 12MHP5021.082.006.
3.5 Temporary
Modifications, PMI-2140.3.6 A.E.P.Hi h Volta e Cable S lic'Tenninat'rocedures and 3.7 I&M Electric Company Guide to Hi h Volta e DC Test'f Cables.3 8 10CFR50 f Appends&Rf Section I I I f L 5~3.9 Control of Special Tools and Measuring and Test Equipnent, MHI-5060.4.0 PRE<.AUTICNS
4.1 Calibrated
tools or measuring and test equipment shall not be used in a manner that would invalidate its calibration.
4.2 If temporary cable routes break a fire barrier's integrity (i.e., prevents a fire door's full closure)a fire watch shall be posted until the fire barrier is returned to normal.Page 1 of 10 Revision 0
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5.0 LIMITATICNS
5.1 Subsections
and in the sequence the procedure.
be indicated by of sequence and the work.steps within Section 7.0 should be ecccsplished shcwn, unless specified othezwise in the bcdy of Steps which are performed out of sequence shall a short explanation of why it was performed out initialed by the Maintenance Supervisor assigned 5.2 The Maintenance Supervisor assigned the work is responsible for ensuring that the controlled copy of this procedure is the latest revision and includes all applicable approved change sheets.5.3 The Maintenance Supervisor assigned the work is responsible for ensuring that the controlled copy of this procedure is maintained at the work site, if not in a radiological controlled area, and that required data is entered in the controlled copy.If the work to be performed is in a radiological controlled area, the controlled copy shall be maintained in the Supervisor's office and a controlled working copy shall be available at the job site.NVZE: When a controlled working copy is being used at the work site, data should be entered as best as practical.
5.4 The Yaintenance Supervisor assigned the work is responsible for initialing all steps which are perforrred out of sequence.All steps which will not be performed based on the scope of work, will be indicated by"N/A" in the appropriate sign off blank, and initialed by the Supervisor with a brief explanation of why the step was not performed.
5.5 Attachm
nts No.2 or 3 must be carpleted for Lifted Leads or Electrical Jumpers, per PMI-2140.Multiple copies of these attachments may be used.5e6 Steps in the procedure which require a verification by the Maint.Supv.may be performed by a qualified individual designated by the Supervisor, provided that individial is independent of the work being performed.
5e7 It is assed that the equipnent required by this procedure is available.
Additionally, use of equipnent required from the opposite (unaffected) unit should not impair safe continued operation or shutdown of that unit.Page 2 of 10 Revision 0
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082.001 6.0 INITIAL CONDITICNS NOPE-Temporary power may be obtained fran one of the U2 BHR or CIS pumps, or fran a U2 4KV breaker, as applicable, after consulting the IAG and corporate engirmering support teams.If used, the pump must be returned to operable status (for U-2)within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> (Modes 1, 2,&3 for RHR;Modes 1, 2, 3,&4 for CIS)per Tech.Spec.Section 3.5.2 and 3.6.2.1, respectively.
6.1 Maint.Mech.Indicate which Unit 1 pump is to be repcarered, arxl which Unit 2~breaker or supply 4KV breaker, as applicable, will be used for the power supply.Unit 1 pump Unit 2 pump-breaker Unit 2 Supply 4KV breaker 6.2 Maint.Mech./Performed By Enter Job Order Number.Date J.O.6.3 Maint.Mech.Obtain the necessary Clearance Permit(s)and record the Clearance Permit number(s).
Clearance Permit 6.4 Maint.Mech.Notify the Unit Supervisor that work is to be~started.Unit 1 Supervisor Date Unit 2 Supervisor Date 6.5 Maint.Mech.Verify that all materials which are known to be required are available prior to starting the work.See Attachment No.1 for a list of required materials.
Verified By Date Page 3 of 10 Revision 0
- 1MHP2140.082.001 7.0 DI IAILS 7.1 DISCGNNECZING POWER-UNIT 1 M7IQR 7.1.1 Maint.Mech.Verify the breaker for the Unit 1 puny has been racked out and tagged and the motor is de-energized.
See Step 6.1.1 E RHR Pump (1-PP-35E)
=Breaker TllD6 1 W RHR Pump (1-PP-35W)
=Breaker TllA4 7.1.2 Maint.Mech.7.1.3 Maint.Mech.Verify grounds are installed on the existing power feed.Disconnect the power cable fran the U-1 RHR pump motor and breaker.~ly Temporary Modification I.D.Tags.Enter data and sign-off Attachaant No.2.Disconnect the flex conduit and ratave it fran the teradzml bax.7.2 TEMPORARY POWER SUPPLY-UNIT 2 NGTE: Subsection
7.2.1 should
be used if temporary power is to be obtained from a Unit 2 RHR or CTS pump.Subsection
7.2.2 should
be used if taqnrary power is to be obtained fran a Unit 2 4KV breaker.7.2.1 RHR OR CTS PUMP NEOR-UNIT 2 7.2.1.1 Maint.Mech.7.2.1.2 Maint.Mech.Verify the breaker for the unaffected Unit 2 pump has been racked out and tagged, and the motor is de-energized.
See Step 6.1.2 E RHR Pump (2-PP-35E)
=Breaker T21D6 2 W RHR Purr@(2-PP-35W)
=Breaker T21A4 2 E CTS Pump (2-PP-9E)=Breaker T21D4 2 W CTS Pump (2-PP-9W)=Breaker T21A3 Verify grounds have been installed on the breaker/cable.
Disconnect the power cable at the U-2 breaker.7.2.1.3 Maint.Mech.NOTE: Mark the cables to ensure p~phasing when the cables are re-terminated.
Disconnect the existing power cable fran the selected U-2 RHR or CTS pump rmtor, as applicable.
Apply Temporary Modification I.D.Tags.Enter data and sign-off on Attachment No.2.7.2.1.4 Maint.Supv.Verify the power feeds for the U-1 and U-2 pump rmtors have been lifted correctly and temporary I.D.tags have been applied.Signmff an Attachment No.2.Page 4 of 10 Revisian 0 I I
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082.001 h 7.2~2" 4KV BREMQ&-7.2.2.1 Maint.Mech.7.2.2.2 Maint.Mech.7.2.2.3 Verify the appropriate Unit 2 4IQT breaker has been racked out and tagged.See Step 6.1.Verify grounds have been installed on the breaker/cable, as applicable.
NOZE: Mark cables to ensure proper phasing when the cables are re-teaninated.
Maint.Mech.Disconnect the existing power cable fran the breaker, if applicable.
Apply Temporary Modification I.D.Tags.Enter data and signoff on Attachment No.2, if applicable.
7.2.2.4 Maint.Supv.Verify the pcarer feed for the U-1 RHR rmtor and the U-2 4KV breaker (if applicable) have been properly lifted and Temporary I.D.Tags have been applied.Signmf f on Attachment No.2, as applicable.
7.3 CCNNECTING
POWER 7.3.1 Maint.Mech.7.3.2 Maint.Mech.Route the jumpm cable assembly between the U-2 abator or the selected supply 4KV breaker, as applicable, and the U-1 motor.NOZE: Preferred routing is overhead in the hallway as opposed to laying the cable on the floor.Connect the temporary power cable to the motor end of the Unit 2 pump power cable or to the selected supply 4KV breaker, as applicable, using the appropriate section(s) o f Maint.Procedure 12MHP5021.
082.006.Route the cable thru the hole where the flex conduit was ramved.Use the mica board and cable ties to support the cable inside the box.7.3.3 Maint.Mech.Protect the pump end of the temporary power cable and perform a hi-pot test of the new power cable assembly.Record test instrument data belch.Test, Instrument I.D.4 Calib.Date Due Date Page 5 of 10 Revision 0 I
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082.001 7.3.4 Maint.Mech.Connect the temporary power cable to the U-1 pump using appropriate sections of Maintenance Procedure 12MHP5021.
082.006.7.3.5 Maint.Mech.NOTE: Existing clearances may have to be released and appropriate clearances hung to perform the rotational check.Connect the temporary poorer cable to the U-2 breaker, using appropriate section of Maintenance Procedure 12MHP5021.
082.006, and bump for rotation.Apply Temporary Modification I.D.Tags.Swap leads at the breaker, if required, to achieve proper rotation.Mark the cables to ensure proper phasing when the breaker is returned to normal service.Enter data and sign-off on Attachment No.3.7.3.6 Maint.Supv.7.3.7 Maint.Mech.Verify the temporary poorer cable is properly installed and temporary I.D.tags are attached.Sign-off on Attachment No.3.Notify the Control Roan/Shift Supervisor that the new RHR pump power cable has been installed and tested and that the pump is functional.
Performed By Date S.S.Date 8.0 RESlORATION 8.1 UNIT 1 PUMP 8.1.1 Maint.Mech.Perform a visual inspection of the power feed{s)to the motor{s).If any damage is noted, proceed directl+to step 8.1.3.Observations Page 6 of 10 Revision 0
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082.001 8.1.2 Maint.Mech.Perform a hi-pot on the power cable(s).Record the current measured and instnzmnt data.1-E RHR 1-W RHR Test Instrument I.D.I Calib.Date Due Date 8.1.3 Maint.Mech.An acceptable value is two (2)microamps or less.If the current is greater than two microamps, contact Maint.Supv.for resolution.
If the hi-pot is acceptable, proceed directly to Step 8.1.6.Remove the damaged cable and pull new cable per Maintenance Procedure**12MHP5021.082.004.
8.1.4 Maint.Mech.Install lugs on the new cable per Maintenance Procedure 12MHP5021.082.006.
8.1.5 Maint.Mech.Perform a hi-pot on the new power cable.Test Instrument I.D.4 Calib.Date Due Date 8.1.6 Maint.Mech.Verify the appropriate U-2 breaker has been racked out and tagged, and the U-1 pump rmtor is de-energl.zed 8.1.7 Maint.Mech.Verify grounds have been installed on the breaker/temporary power cable.Determinate the temporary pawm cable from the motor.Enter data and sign-off on Attachment No.3.8.1.8 Maint.Mech.Texminate the permanent pamr cable at the U-1 motor and its associated breaker per Maintenance Procedure 12MHP5021.
082.006.8.1.9 Maint.Mech.NVZE: Existing clearances may have to be released and appropriate clearances hung to perform this step.Bump the motor for rotation.Swap leads as required for proper operation.
Sign-off on Attachment No.2.8.1.10 Maint.Supv.Verify power feed has been properly restored to the U-1 motor and temporary I.D.tags have been removed.Sign-off on Attachment No.2.Page 7 of 10 Revision 0
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082.001 8.1.11 Maint.Mech.Notify the Shift Supexvisor and Unit Supervisor that the Unit 1 RHR Pump has been tested and is functional.
Performed By Date S.S.Date 8.2 UNIT 2 PUMP (AS APPLICABIZ) 8.2.1 Maint.Mech.Verify the appropriate U-2 breaker has been racked out and tagged and that the power cable is de-energized.
8.2.2 Maint.Mech.8.2.3 Maint.Supv.Verify grounds have been installed on the breaker/pawm cable.Disconnect the jumper cable fran the motor end of the power cable and remove temporary I.D.tags.Canplete Attachment No.3 and sign-off.Verify the jumper has been properly ramved.Sign-off on Attachment No.3.8.2.4 Maint.Mech.8.2.5 Maint.Mech.Terminate the pawer cable at the motor (if applicable) per Maintenance Procedure 12MHP5021.082.006.
If leads were swapped at the breaker, return them to their normal position.(See Step 7.3.5).HVZE: Existing clearances may have to be released and appropriate clearances hung to perform this step.Bump the motor for rotation.Swap leads as required for proper operation.
Sign~ff Attachment No.2.8.2.6 Maint.Supv.Verify the temporary power cable has been removed and the permanent cable is re-terminated at the motor, and all temporary I.D.tags have been rermved.Sign-off on Attachments No.2 and No.3.Page 8 of 10 Revision 0
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082.001 8.2.7 Maint.Mech.Notify the Shift Supervisor and Unit Supervisor that the U-2 RHR Punp has been tested and is functional.
Per forned By Date S.S.Date 8.3 U-2 4KV BREAKER (AS APPLICABLE) 8.3.1 Maint.Mech.Verify the appropriate U-2 breaker has been racked out and tagged and that the power cable is de-energized.
8.3.2 Maint.Mech.Verify grounds have been installed on the breaker/power cable.Disconnect the jumper cable fran the breaker end of the power cable and remove temporary I.D.tags.Caoplete Attachment No.3 and si~ff.8.3.3 Maint.Supv.Verify the jumper has been properly removed.Sign-off on Attachment No.3.8.3.4 Maint.Mech.Terriainate the power cable at the breaker per Maintenance Procedure 12MHP5021.082.006.
If leads were swapped at the breaker, return them to their normal position.(See Step 7.2.2.3).8.3.5 Maint.Supv.8.3.6 Maint.Mech.Verify the temporary power cable has been repaved and the permanent cable is re-terminated at the breaker, and all teaqmrary I.D.tags have been ramved.Sign-off on Attachnents No.2 and No.3.Notify the Shift Supervisor and Unit Supervisor that the U-2 4KV breaker's power feed has been restored and may be released for clearance.
8.4 REIURN
T1&PORARY PCM'R SUPPLY MATERIALS K)PIQRAGE CABINET 8.4.1 Maint.Mech.Return all temporary power supply cable and tools to the storage cabinet.8.4.2 Maint.Supv.NOIR: Attachment No.1 is a listing of the required materials.
Verify all required materials are in the storage cabinet.Page 9 of 10 Revision 0
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082.001 9.0 MXEPTANCE CRITERIA 9.1 Interim acceptance will be achieved upon installation of the temporary power supply to the U-1 RHR Punp, provided work is carpleted per this procedure and the affected U-1 pump is functional with a U-2 pcwer supply.9.2 Final acceptance will be achieved upon restoration of normal poorer supply to both Unit RHR pumps per this procedure, and both pumps are functional, or restoration of normal power supply to the U-1 RHR pump per this procedure with satisfactory operational check if a supply 4KV breaker was used for~tporary power.9.3 In the event that jumpers are not removed and/or lifted leads are not restored, a PNSRC evaluation shall be performed and the signoff canpleted on the appropriate attachment{s)
.10.0 DATA COLUM.'ION 10.1 Maint.Supv.Review entire procedure for ccxapleteness.
Maint.Supv.Date Maint.Supt.Review of entire procedure.
Maint.Supt.Date page 10 of 10 Revision 0
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082.001 ATTACHMENT R).1 Fine Tip Screwdriver Heavy Tip Screwdriver 3/8" Drive Socket Set 12" Extension Straight Wrenches (1/8"-3/4")6" Crescent Wrench 10" Crescent Wrench Median Channel-lock Large Channel-lock Knife Hanxter Punch Chisel Splicing Tape Mica Board and Cable Ties Page 1 of 1 Revision 0
- lMP2140.082.001 Attachment No.2 AlAiNTENANCE DiPARTMcNT CONTROLLED DOCUMENT COPY NO.UNIT LOCATION EQUIPMENT AFF>~7.1.2 7.2.2.3 8.1.9 7.2.1.3 8.2.5 TERM.BOX a LIF'ZEZ)LANDED lTZK g TERMINAL ii CABLE ii/CGMKNZÃZ DESCRIPTION BY DATE BY DATE 7.2.1.4 THE ABOVE WIRES HAVE BEEN CORR1KXLY LIFZED.(7.2.2.4)ITEM 4 VERIFIED BY 8.1.10 PARTIAL RES10RATIOY:
THE H)LAMING WIRES HAVE BEEN RES1QRED TO DESIGN CONFIGURATION.
VERIFIED BY DATE 8.2.6 FINAL RE8IQRATION:
(8.3.5)ALL WIRES WHICH WERE LIFZED HAVE BEEN RESTORED TO DESIGN CONFIGURATION AND ALL TAGS HAVE BEEN RB43V1X).VERIFIED BY DATE 9.3 PNSRC REVX1%: NOZ ALL THE LIFZED WIRES HAVE BEEN RESTORED AND A 10'FR 50.59 SAFIZY EVALUATION HAS BEEN PERFORMED AND APPROVE)BY THE PNSRC PER PMI-1040.PNSRC REVIIW BY IF RESTORED, ATZACH THIS FORM TO THE PROCEDUEK.
IF NOT,~THIS FORM IN CONTROL RrXN BOOK.DATE Page 1 of 1 Revision 0
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082.001 Attachment No.3 1KZCZRICAL JUMPER KSN UNIT IDCAZION EQUIPMEPZ AFFECT)7.3,5 8.1,7 hhAlHTEl'lANCE DEPARTPAENT CO'STROLLED DOCu/AGENT COPY HO.JUMPER FROM TERMINAL 4 AND/OR ITB4 4 CCVZACZ LOCATION JUMPER%)TERMINAL 4 AND/OR QONTACT GXATION INSTALLED REMOVED BY DATE BY DATE 7.3.6 THE ABOVE JUMPERS HAVE BEEN CORRECTLY INSTALLED.
~~ITEM N VERIFIH3 BY DATE 8;2.3 (8.3.3)PAID'IAL RESTORATION:
THE I%LlXNING JUMPERS HAVE BEEN R1M3V1K).ITEM N VEEGFIED BY DATE 8.2.6 (8.3.6)FINAL RESK)RATION:
ALL JUMPERS WHICH WERE INSTALLED AND ALL TAGS HAVE BEEN RE243VH)AND THE CIRCUIT RESK)RED K)DESIGN CONFIGURATION.
VERIFIED BY DATE 9.3 PNSRC REVIEW: NVr ALL THE JUMPERS HAVE BEEN REMOVED AND A 10 CFR 50.59 SAFEXY RMI3ATICS HAS BEEN PERFORMED AND APPMVED BY THE PNSRC PER PMI-1040.PNSRC REVIEW BY IF RESK)RED, ATilACH THIS FORM'I0 THE PROCEDURE.
IF NOT, PLACE THIS FORM IN CONTROL ROCN BOOK.DATE Page 1 of 1 Revision 0