ML20132F497

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Rev 0 to Maint Procedure MM-6-002, Valve Operator Repair
ML20132F497
Person / Time
Site: 05000000, Waterford
Issue date: 08/12/1981
From: Alleman S
LOUISIANA POWER & LIGHT CO.
To:
Shared Package
ML082320156 List: ... further results
References
FOIA-84-206 MM-6-002, MM-6-2, NUDOCS 8510010339
Download: ML20132F497 (12)


Text

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PLANT OPERATING MANUAL um.T ti s s Ev VOLUYE 9

mi-6-002 SECTION 6

. REVISION O

APPROVAL DATE: 6-12-81 MAIFTENANCE PROCEDURE VALVE OPERATOR REPAIR LP&L W-3 RECO_RDS UNCONTROLLED COPY DO NOT USE IN ANY SAFETY-RELATED TESTING, MAINTENANCE, OR OPERATIONAL ACTIVITY PORC Meeting No.

81-25 Reviewed: -

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PORC Chairman '

MAddC Approved:

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ggOO 39 850227 BERNAB E84-206 PDR g

i WATERFORD 3 SES PLANT OPEEATIN, MANUAL CHANGE /REV;SION/ DELETION REQUEST

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Procedure No.

M n1 0 0 2.

73 ;e Effective Date (if different from approval date)

Cer-el e t e A.

B.

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.A.

Change No.

B.

Revision No.

O C.

Deletion

  1. /A Dess0N cp cutner, aryrsreg, op perg7ron To d e le te SA P-0 9 re fe ve n c e anel ad)

U N T-C. co3 a s (e fe<ent e on 69-Annvel Yevlrd

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REO UTE ED SIC N A"'U DES g N

Date

.7-/>~83 Originator S M W btd-ba te Ok M 93 Technical Review s

s 4

SAFETT EVALUATION Does this change, revision, or deletion:

YES NO

/

1.

Change the facility as described in the FSAR?

/

2.

Change the procedures, as described in the FSAR?

d 3

Conduct tests / experiments not described in the FSAR?

~

/

4 Create a condition or conduct an operation whien ex-ceeds, or could result in exceeding, the limits in Technical Specifications?

If the answer to any of the above is yes, complete and at-tach a 10 CFR-50.59 Safety Evaluatie klist.

Safety Evaluati tw h Sh Date

%)93 Nb IIe e

Date Group /Dep't. Hea iew

//

j Te=porary Approval

Date Temporary Approval

  • QC Review -

M Mf/Iv4d -

Date 1 - f 7'J Ntb t-23-8 3 Meeting No.

f3-38' fD PORC Review D4 bd Date Plant Manager Nuclear ApprovC1

'Te=perary approval =ust be followed by Plant Manager-Nuclear approval within 14 days.

UNT-1-003 Revision 6' Attach =ent 6.9 ( 1 of 1)

e MM-6-002 Maintenance Procedure Revision 0 Valve Operator Repair LIST OF EFFECTIVE PAGES

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Title Revision 0 1 -8 Revision 0 2, 4 Chang e 1 2g Che$e 2 6

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UATERFORD 3 SES P:. ANT OPERATING MANUAL CHANGE /P.EVISION/ DELETION REQUEST Procedure No.

M M-6-" 2 Title f4 h'c 6 - a b d e Effective Date elP' (if different frc= PM-N approval date)

Cbt-51ete'1.*8 m-C 1.

Change No.

'I.

B.

Revision No.

O C.

Deletion MIA S m ON TOP'tu;p37, o rVTSION-OF DrL M ON Reference to SAP-06. Condition Iden:ification and Corrective Action or UNTS-002, Condition Identification and Work Authorization as applicable.

ETOUT?ED SIGN 1*UPN oriGina tor ha

!S-M4 Date

'6~2'~I2 Technical Review - ' d/I ' ?JZ Date MM #ff-

~

SAFETT EVALUATION Does this change, revision, or deletion:

TES NO[

1.

Change the facility as described in the FSAR?

/

,b 2.

Change the procedures as described in the FSAR?

/

3.. Conduct tests / experiments not described in the FSAR?

V 4.

Create a condition or conduct an operation which e:-

ceeds, or could result in exceeding, the limits in l

Technical Specifications?

If the answer to any of the above is yes, complete and at-tach a 10 CFR 50.59 Safety Evaluation checklist.

Date

/S-M -f2 Safety Evaluation 3 M T d h Head Review b /N N44 Date N/M~ M f-Group /Dep't.

Date/o '2 l Y b (NCS) 6e

-~

l Temporary Approval

  • _ NYMJb~

Date W d 4 Temporary Approv QC Revieu A'A OMI l -

Date H '- P --P r--

/OML Meeting No.

?2 VJ M 8I84~~-~ -

Date PORC Revie Plant Manager-Nuclear Approval C N - A Date

/0 - "

  • V eTe=porary approval must be followed by Plant Manager-Nuclear approval within 14 days.

UNT-1-003 Revision 4 32.9 (1 of 1) i

MM-6-002 Maintenance Procedure Revision 0 Valve Operator Repair TABLE OF CONTENTS 1.0 PURPOSE

2.0 REFERENCES

30 PREREQUISITES 4.0 PRECAUTIONS AND LIMITATIONS 5.0 INITIAL CONDITIONS 6.0 MATERIAL AND TEST EQUIPMENT 7.0 ACCEPTANCE CRITERIA 8.0 PROCEDURE 8.1 General 8.2 Replacement of the Operator 83 Replacement of Operator Parts 8.4 0'perator Installation 8.5 Operator Testing 90 SETPOINTS 10.0 ATTACHMENTS 11.0 COMMITMENTS AND REFERENCES J

1

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MM-6-002 Maintenance Procedure Revision 0 Valve Operator Repair LIST OF EFFECTIVE PAGES Title Revision 0 1 -8 Revision 0 2, 4 C hang e 1 2

6 Maintenancp Procedure Procedure No. MM-6-002 Valve operator Repair Revision 0 1.0 FURPOSE 1.1 This procedure provides the instructions for the performance of corrective maintenance on valve operatora for safety and nonsafety-related valves at the Waterford 3 SES.

1.2 This procedure is intended to provide the overall instuctions for the repair activity with the specific how to instructions to be provided by the procedures referenced in Section 2.0 and the components' technical documents such as vendor manuals, instructions, bulletins and drawings.

These instructions shall be delineated on a Condition Identifica-tion Work Authorization Form (CIWA) and/or within the procedures referenced in Section 2.0.-

1.3 The repair activities herein include:

1.3.1 Replacement of the Operator 132 Replacement of Operator Parts 1.3 3 operator Installation 1.3.4 operator Testing 2.0 PEFERENCES 2.1 MM-1-002, Mechanical Maintenance Practices 2.2 M M 01 2 ', MMD Data Information System 2.3 MM-1-054, Weld Documentation Control 2.4 MM-6-011, General Torquing and Detensioning 2.5 Plant Lubrication Manual 3

Maintenance Procedure Procedure No. MM-6-002 Valve Operator Repair Revision 0 ASME Boiler and Pressure Yessel Code Se$ tion II, 1977 Edi-2.6 tion through Summer 7 8 Addenda 2.7 SAP-08, Condition Identification and Corrective Action

'h UNT-S 003 Cleavam e ICetwe$s hfr*Jal **b deltese

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2.8

iL C, ~ ::trc v&

29 HP-1-110, Radiation Work Permits 2.10 MM-1-003, Solvents and Sealants f

2.11 MD-1-006, Control and Repair of Failed Equipment

2. la cond;+ ion Identificahon and WOck Autheriaakon ust-c; s

30 pwrnroUTsrves et

(,,.

31 Prior to the performance of the repair activity ensure the component is shutdown and tagged in accordance with M

7

.Y k Reference 2.8, I;ggi;&f to prevent personnel' injury or i*

equipment damage or both.

32 Obtain a Radiation Work Permit in accordance with Reference 2 9, Radiation Work Permits, when its designated on the CIWA of Reference 2.7, Condition Identification and Cor-rective Actione oc Ee ference. 2.12 Cond; fion Iden 46i cation and Work hukhorit.cV ion, cts a p pli c a ble.

E 33 Ascertain the applicable technical documents per the E

N listings of Reference 2.2, MMD Data Information System.

L 4.0 PRECAUTTONS AND LTMT?1? TONS 4.1 As specified on the applicable CIWA-5.0 TNT?TAL CONDT? TONS 5.1 As specified on the applicable CIWA 6.0 MA-rFTAL 8"D Trs? EO U T PE r?

4

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Maintenance Procedure Procedure No. MM-6-002 Valve Operator Repair Revision 0 6.1 As specified on the applicable CIWA 7.0 ACCEPTANCE CRITEPIA 7.1 The acceptance criteria is the satisfactory operation of the component during the testing of Section 8.5 and as specified on the CIWA.

8.0 PROCEDURE 8.1 General 8.1.1 Welding on or to any of the components or subparts shall be performed in accordance with Reference 2 3, Weld Documentation Control.

8.1.2 Torquing and detensioning of any of the components' parts shall be performed in accordance with Reference 2.4, General Torquing and Detensioning, unless otherwise specified in the components' technical documents.

8.1 3 Component lubricants shall be those specified for the component in Reference 2.5, Plant Lubrication Manual.

8.1.4 Replacement parts should be the same as, or equivalent to, the original part.

Safety Class 1, 2,

and 3 pressure retaining parts, such as casings, casing holdown nuts, bolts and studs, and seals, shall be replaced with original parts or equivalent as specified through the' appropriate plant design control procedures.

8.1.5 Component repair documentation, hold' point designa-tion, personnel qualification requirements and other 5

Maintenance Procedure Procedure No. MM-6-002 Valve Operator Repair Revision 0 ad=inistrative functions shall be performed in ac-cordance with Reference 2.1, Mechanical Maintenance Practices.

8.2 Replacement of the Operator 8.2.1 When operators are determined to be nonrepairacle, they are to be removed and replaced with operators that are suitable replacements.

Op'erators for safety class 1, 2,

and 3 valves shall be replaced with operators meeting the orginal or equivalent criteria as determined by the Mechnical Assistant Superintendent (MAS) in conjunction with Plant Engineering.

8.3 Replacement of Operator Parts 8.3 1 When operator parts are determined to be nonrepaira-ble, they are be removed and replaced with vendor-supplied replacement parts or parts fabricated by this utility from materials meeting the original or equivalent criteria as determined by the MAS in conjunction with Plant Engineering.

8.3 2 Diaphragms, "0" rings, packing, gaskets and other soft materials that are no longer pliable, are cracked, or show signs of dry rot shall be removed i

and replaced.

8.3 3 When replacing diaphragms, carefully inspect the diaphragm cavity for foreign material or burrs that could damage the new diaphragm.

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t Maintenance Procedure Procedure No. MM-6-002 Valve. Operator Repair Revision 0 8.3 4 "0"

rings, "0" ring grooves, and "0" ring seating surfaces should be coated with a light coat of an approved lubricant in accordance with Reference 2.5, Plant Lubrication Manual, prior to installation to i

ease the installation and to guard against abrasive damage during installation.

8.3 5 Cylinder barrels and rods of piston type operators should be inspected for scores or burrs that could damage-internal "0" rings or packing.

8.4 Operator Installation 8.4.1 Clean all pressure ports and piping thoroughly before s

making pressure connections.

Foreign particles in the piping or on the pressure ports can be carried to 4

the positioner.

The presence of foreign particles in the positioner can cause the unit to malfunction.

8.4.2 Mounting bolts and nuts for all operators should be tightened evenly after installation.

Uneven tightening of bolts and nuts can result in erratic operation and unusual wear on bearing surfaces.

1 Refer to the applicable vendor manual (or if not available, Reference 2.4, General Torquing and Detensioning) for proper torque values and sequence on all mounting bolts and nuts.

8.4 3 Adjusting screw threads, external and internal, should be coated with a light film of an approved l

lubricant in accordance with Reference 2.5, Plant Lubrication Manual.

7

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t MM-6-002 Maintenance Procedure Revision 0 Valve Operator Repair 8.4.4 Threaded stainless steel parts turning and/or shouldering on other stainless steel parts should have their surfaces coated with an approved lubricant in accordance with Reference 2.5, Plant Lubrication Manual.

8.5 Operator Testing 8.5.1 An operational test should be performed on all operators which have been repaired and data recorded on the applicable CIWA or reference procedure's attachments.

The MAS nay determine test criteria from the preoperational test procedures, vendor manuals, operational data, and surveillance procedures.

8.5.2 Operators for Safety Class 1, 2,

and 3 valves, which are governed by Reference 2.6, ASME BPVC~Section II, shall be tested in accordance with an approved

_ procedure.

90 SETPOINTS 91 As specified on the CIWA 10.0 ATTacugEnr3 11.0 COMMITMENTS AND REFERENCES 8

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