ML20078Q272
| ML20078Q272 | |
| Person / Time | |
|---|---|
| Site: | South Texas  |
| Issue date: | 03/15/1992 |
| From: | HOUSTON LIGHTING & POWER CO. |
| To: | |
| Shared Package | |
| ML18065B259 | List: |
| References | |
| NUDOCS 9502210182 | |
| Download: ML20078Q272 (12) | |
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!!0USTON I.!GHTING AND PO'TR COMPANY
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SOUTH TEXAS PROJECT p.g i
ELECTRIC GENERATING STATION PLANT PROCEDURES MANUAL J
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STATION PROCEDURE e
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SAFETY-RELATED (Q)
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Control of Configuration chantes CPGP03-ZH.0021 i
Rev. 4 Page 1 of 24 j
APPROVID:
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3 10 W 3 l$ 9'.L PLA!'I MAN DATE APPROVID DATI IITECTIVE Table of Centents Pace
1.0 Purpose and Scope
3 2.0 Definitions a
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3.0 Eespensibilities 7
4.0 Prerequisites 7
1 5.0 Precautions 9
f.0 Ir::edure 13 6.1 Control of Configuration Changes 10 i
6.1.1 Work Instruction Preparatien, General Requirements 10 6.1.2 Work Supervisor Actions, General Requirements 10 6.1.3 Craft Actions, General Requirements 10 6.1.4 Requirements for lifting / landing leads 11 6.1.5 Requirements for using electrical ju=pers 12 C;5F D:.=-M;J p
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Control of Configuration Chantes CPGP03-ZM-0021 Rev. 4 Page 3 of 24
1.0 Purpose and Scope
r 1.1 Purpose 1.1.1 This procedure provides instructions for the control of temporary configuration changes, as defined by this procedure, to permanent plant equipment. A Work Document (Service Request, Preventive Maintenance, Surveillance) is not a requirement for this procedure to be applicable.-
1.1.2 All activities involving removal / replacement / installation of permanent plant equipment fuses are governed by this procedure.
1.2 Scope 1.2.1 T..s procedure applies to configuration changes on per=anent plant equipment except for:
NOTE
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Alth: ugh t*
- orary hsse cennections to flerr d r a l t.
- . :. ;s, er ner=al serv 1:e cenne:ticas da r.s t fall under the s: ope of this procedure, they may f all ur. der control of OFOPS3-20-C031 (Te=porary Hose Control). Personnel should review criteria as outlined in that procedure to deter =ine specific exceptions and require =ents.
1.2.1.1 Hoses from system drains to floor drains or 6 aps.
1.2.1.2 Normal service connections to Breathir.g Air, Station Air, Well Water, Service Water, Potable Vater, Demineralized Water.
1.2.1.3 Removal and reinstallation of plugs and pipe caps downstream of normally ' closed isolation valves.
I 1.2.1.4 Normal AC Lighting and Flant Lighting, Systems LG and LY.
1.2.1.5 Flant computer equipment.
l 1.2.1.6 Plant com=unications equipment.
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Control of configuration Chanres CPGP03-ZM-0021 Rev. 4 Page 5 of 24 2.5 INDEPENDENT YERITICATION: The act of checking a condition, such as a component position, separately from activities related to establishing the condition or component's position. Independent Verification shall apply to valves, breakers, switches, jumpers, lifted wires, blind f3anges, plugs, electrical equipment links, control cards, field instruments and transmitters, or any other component that could if improperly installed or mispositioned,.
degrade a safety functions 2.5.1 The Independent verification shall be performed by one or more individual (s) not:. involved in and separate from the establishment of the condition or component position.
2.6 LIyTED LEAD: An electrical conductor ut!!! zed as an active system co=ponent that is temporarily disconnected.
2.7 MAINTENANCE PLANNING: yor the purpose of this procedure, Maintenance Planning refers to the Maintenance Planning Section, in general, and specifically the Planning Division Manager, but may refer to the Planning Supervisor, Lead Planner or the Duty Planner.
2.5 MICHANICAL JUMPIR: A te=porary cocnection using spool pieces, hoses, tubing or p! ping that joins tso or note fluid syste n; er
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typas:e: cne or : re co=ponents within a fluid system.
2.9 PEU.ANDIT PLANT EQ'.;ITMD T: Structures and cenponents dec!gned and used directly for or in support of power production, nuclear safety, fire protection, environmental control, plant cc==unications, and plant security.
2.;0 EIEFCNSIELE MA;;.iC?A';0E ALTEORITY (F.".A):
yor the purpose of this precedure, the RMA is the Ccgnizant Craft yoreman or Superviser or above, responsible for the assign =ent of craftsmen to work activities.
2.11 TROU3LESHOOTING: The process of locating and identifying calfunctions through deductive and inductive reasoning. The process =ay include activities such as taking readings, pulling fuses, stroking valves, changing electronic modules, partial or co:plete disassembly of a component or other activities.
2.12 VERIyICATION: The act of checking a condition or activity by an individual other than the person performing the activity. The individual performing the verification may do so in the company of the person performing the activity.
2.12.1 When insta111mg/ removing electrical / mechanical jumpers, verification shall consist of positively identifying connection point prior to the installation / removal of the jumper as well as the proper placement and re= oval of the ju=per (SPR-880088).
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Control of Configuration Chantes OPGP03-ZM-0021 Rev. 4 Fage 7 of 24 3.0 Responsibilities 3.1 Vork Supervisors in the Haintenance Department are responsible fors l
3.1.1 Ensuring all personnel under their supervision are aware of l
the requirements of this procedure.
3.1.2 Ensuring correct implementation of this procedure.
3.2 Fersonnel in other than the Maintenance Department performing temporary configuration changes, in accordance with approved Flant Procedures, are responsible for cc= plying with the requirements of
'l this procedure.
3.3 All personnel preparing work packages shall ensure the requirements of this procedure are incorporated into work instructions.
4.0 Prerceuisites i
1 4.1 If required, obtain the necessary clearance for tasks spe:1fied on the governing docu=ent per OPGP03-20-0039 (Configuration
- Mansgreent).
4.0 leview pre:auti:n: cf a!* 7:::el2:es !!.at vi:1 te u.ed t? c:
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the ta:k(c) ;e:1fied in the gove:r.ing es:uner.t.
i 4.3 Appearance of electrical and mechanical jumpers shall be unique, su:h that they contrast with nor: ally in:talled equ!; ent (i.e.
different coler, tagged, labeled, etc.).
4.4 Electrical and nechanical jumpers shall te cc patible for the use intended (e.g., size, ter=inal type, insulation, pressure ratir.g,
=aterial, piping construction, etc.),
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a CAUTION e
e H&TE leads or test probes can become
- part of the circuit." (LER 90-010) e e eaeae e ae eaee e a eeeaeeeee 4.4.1 Fre-task self-verification should be performed before connecting test equipment leads in any system which may cause a Reactor trip or an Engineered Safety Testures Actuation.
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control of Confinuration Chantes OPGP03-2M-0021 nev..
Page 9 of 24 4.9.2 The job performer may utilize a sketch to illustrate the physical location of termination points, plugs, jacks, terminal blocks, leads, etc. If a sketch is utilized, it i
shall be drawn on the reverse side of Data Sheet (-1).
(SPR 910148/LER 91-12) 5.0 Preesutions 5.1 Installation and removal of jumpers or lifting and landing of leads on energized electrical circuits should be avoided. Use of fused jumpers is preferred in such situations.
5.2 Lifted leads shall be insulated from other circuits and ground.
5.3
" Clip-on" type leads may be used for testing. When " Clip-on" type leads are installed, they shall not be left unattended.
r 5.4 Before installing fuses, ensure they are of the proper type, manufacturer, voltage, and rating for the application. In addition, when possible, avoid using fuses as a primary disconnect.
5.5 In cases of emergency, the Shift Supervisor may give permissien to deviate from this procedure where necessary to prevent injury to O0; pers:nnel, danage to equipnent, or 1r.:rease a nargin cf safety.
i The energency deviation shall be ec:cner.ted and revle.cJ as
..:n as possible after installation.
5.6 In panels /equipnent consoles identified as conplying with KIG GUIDE 1.75, ensure cable separation criteria is not violated by l
perfor=ance of the work activity l
5.7 When it is known that an abnormal readout, indication, or other condition could result from performance of a maintenance action, the Control Room Operator should be notified prior to perfcrman:e of the action.
5.8 Tuses should not be removed or installed under load, unless this is the only practical means available.
5.9 All electrical equipment shall be considered energized unless
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positively proven to be de-energized.
i 5.10 During performance of maintenance, removed parts shall be i
adequately packaged, identified and stored to prevent loss or i
damage, and to ensure their traceability to the co=ponent frem
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vhich they were removed, v
i 5.11 All components that are not keyed or uniquely coded / labeled to ensure proper reinstallation shall be uniquely identified per steps 4.9 and 4.9.1.
(SPR 900406)
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Control of Confituration Chantes CPGP03-EM-0021
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Rev. 4 Page 11 of 24 6.1.3.4 Anytime an action produces an unexpected result, stop the activity, inform Control Room personnel or other cognizant authority, and proceed as directed.
6.1.3.5 Upon completion of maintenance activities, equipment shall be returned to its design f
condition, unless controlled hv a Temporary Hodification in accordaose with OPGP03-10-0003.
Control Room personnel er other cognizant authority shall be informed of completion of the actions.
6.1.3.6 Configuration changes, utilizing Term (-1) for documentation, that are to remain installed after the equipment is returned to service, shall be documented in accordance with OPGP03-ZO-0003 (Te=porary Hodifications and Alterations).
s.
Torm (-1) shall be transferred to the temporary modification package. (SPR 900429) l b.
The **ork Control document shall be annstated
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andicating the trancier.
c.
The cc=pletion of the Cer.figuratica Charge shall be Independently Veri!!ed.
6.1.3.7 When Term (-1) is used with Vork Control decu.ents generated to install Te=porary Hodi!! cations in l
accordance with OPGP03-ZO-0003 (Te=porary Modification and Alteration), it shall be transferred to the Te=porary Hodificatica package prior to closure of the Work Control document.
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a CAUTION e
When lifting leads on " LIVE" circuits, special consideration must be given to the potential effects on cperating equipment of " Daisy Chain" power supplies.
(SPR 910288) a e
a eaa a a a eeeea aaaeaaa aee a a e 6.1.4 Activities requiring lifting and landing of leads, shall be controlled with the following additional requirements:
6.1.4.1 Lifted leads shall not be used on safety / elated Oi systems when other practical means are available to perform the function (ST-HL-AE-2265).
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Control of Configuration Chanees OPGP03-ZM-0021 Rev. 4 Page 13 of 24 6.1.5.4 'Insta11ation'and~ removal of jumpers shall be
(
y-verified., See 2.12) 6.1.5.5 Installation and removal of jumpers shall be documented using one of the following methods (IEN 84-37):
a.
Entering required information on Form (-1) in accordance with the instructions provided.
b.
inclusion of specific steps into work instructions or procedures that specify installation and removal of ju=per and includes the recording of informatica for ju=pers the same ae the instructions for Form (-1).
6.1.6 Activities requiring the installation and/or removal of fuses specified by a Vork Document shall be in accordance with the following additional requirements:
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~ne primary scurce of de:ign require =ents fer fuse: is the Tuse/ Relay List (5E541EL7C000 ar.d 5I542EL7000). The secondary source is the applicable Bill of Haterial (ECM) drawing, ner= ally a vendor de:ument.
6.1.6.1 Vhen re=oving and/or installir.g fuses, ensure the fuse replacement is in accordance with design requirements (e.g. size, rating, type, canufacturer, etc.).
(SPR 910251) 6.1.6.2 Prior to removing fuses, ensure the fuse block has positive identification markings: if not, identify per 6.1.4.2.
6.1.6.3 The fuse removal and/or installation shall be docu=ented and verified per Term (-1).
6.1.6.4 Torm (-1) shall remian with the Work Document as an attachment.
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I Control of Confiruration Chantes OPGP03-ZH-0021 Rev. 4 Page 15 of 24 6.1.9 Activities requiring installation and removal of =echanical ju=pers, shall be controlled in accordance with the i
following additional requirements:
6.1.9.1 Jumpers such as tubing used to connect test gauges, shall be compatible with the intended use (e.g. size, asterials, pressure rating, etc.)
(SPR-800248).
6.1.9.2 The installation and removal of jumpere shall only be performed on out-of-service systems unless the system connection points are valved or can be otherwise isolated.
6.1.9.3 Prior to installing jumpers ensure that the i
connection points have positive identification markings; if not, refer to 6.1.4.2.
6.1.9.4 Installation and re= oval of ju=pers shall be verified.
a 6.1.9.5 Installation and removal of jumpers sha!! te documented using one of the following netheds:
O a.
Entering required informatica en Ter- (-
) in accordance with the instructicas pr:.!ded.
b.
Inclusion of specific steps into work instructions or procedures that specify installation and re= oval of ju=per and requi es recording of infor=ation frem Torm (-1).
6.1.9.6 Use of nechanical ju= pars as configuratien changes should be limited to syste=s with pneumatic and hydraulic controls and installation of test gauges. Ju=pers installed in process systems should be reviewed to determine if they require docu=entation as Te=porary Hodifications in accordance with OPGP03-ZO-0003 (Temporary Hodifications and Alterations).
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Cc,ntrol of ConfInuration Channes OPGP03-ZM-0021 Rev. 4 i
Page 17 of 24 {.
7.13 IDI 84-37
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h 7.14 GPR 880088 (2,,
I 7.15 SPR 880276 7.16 SPR 880248 7.17 SPR 910251 7.18 SPR 910148 7.19 Tuse/ Relay List (5E541EL7000 and 5E542EL7000) 4 7.20 SPR 92-1518 e
8.0 Support Documents g
8.1 Tom (-1) Configuration Change Log f
8.2
/.ddendu:n 1 - Instructions for Tom (-1) Configuration Chance Log O
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Control of Configuration Chances 0FGP03-ZH-0021 Rev. 4
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s ADDEND"M i INSTRUCTIONS FOR FORM (-1)
CONFIGURATON CHANGE LOG (Page 2 of 6) 6.
IISORIPTION (REMOVAL) - Enter the following:
For Leads - vire number, color, and/or other identification marking a.
of the lead to be lifted. Only one lead may be listed on each line entry.
b.
For Tuses - Amps, fuse. voltage,. type / code, and manufacturer of the fuse to be ramov.ed.
c.
For Electrical Jumpers - N/A-d.
For Hechanical Jumpers - N/A For Miscellaneous Changes - description of ce=ponent e.
7.
DISORIPTION (INSTALL) - Enter the followings For Leads - vire number, color, or other identification used during a.
removal (#6) of the lead to be landed.
b.
Tor Tuses - A=ps, fuse voltage, type / code, and manuf acturer cf the fuse being inctalled.
c.
Ter Electrical Jumpere - N/A d.
For Mechanical Jumper - N/A For Miscellaneous Changes - description of co=ponent e.
B.
TECM (RIMOVAL) - Enter the followings a.
For Leads - termination point the lead is being lifted frem.
(e.g.
Terminal 2/Ter=inal Block 2/ Panel 4) b.
For Tuses - fuse block number, circuit number, or other identification marking.
For Electrical Jumpers - termination point an end of ju=per is being c.
removed from, should be the same point entered in #14.
d.
For Mechanical Jumpers - connection point that one end of the jumper is being removed from, should be same as point entered in 014 e.
For Hiscellaneous Changes - specific location component was removed from.
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Control of Configuration Chanres OPGP03-ZH-0021 Rev. 4
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Page 22 of 24 V
ADDENDUM 1 INSTRUCTIONS FOR FORM (-1)
CONFIGURATON CHANGE LOG (Page 4 of 6)
- 12. ' FERTORMED - Enter the initials of the individual performing the removal
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and the date.
NOTE Verification shall consist.of the following:
When installing / removing. electrical / mechanical j umpe rs, verification shall consist of positively identifying connection point prior to the installation / removal of the ju=per as well as after the proper placement and removal of the l
jumper.
When removing / installing fuses, verification shall consist of positively identifying the fuse and its required location prior to the removal / installation of the fuse as well as af ter the removal / installation of t,he fuse.
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When insta!!1ng/ removing test equipment, verification shall censist of positively identifying the test point prior to the installation / removal of the test lead / device as well as af ter the proper.nlacement of the test l
1ead/ device.
When manipulating switches, verification shall consist of positively identifying the switch prior to its manipulation as well as af ter the l
proper positioning of the switch.
13.
VERITIED - Individual performing verification of the removal enter j
initial and date.
14.
TROM (INSTALLATION) - Inter the followings a.
For Leads - N/A b.
For Tuses - N/A c.
For Electrical Jumpers - termination point one end of the jumper is being connected to.
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