ML20030B732
| ML20030B732 | |
| Person / Time | |
|---|---|
| Site: | Grand Gulf  |
| Issue date: | 03/31/1981 |
| From: | Johnson G, Mccoy C MISSISSIPPI POWER & LIGHT CO. |
| To: | |
| Shared Package | |
| ML20030B729 | List: |
| References | |
| 01-S-06-3, 1-S-6-3, NUDOCS 8108240125 | |
| Download: ML20030B732 (13) | |
Text
P a' PLANT OPERATIONS MANUAL
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Volume 1 01-S-06-3
_ Srction 06 Revision 2
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Date: 7/31780 ADMINISTRATIVE PROCEDURE CGNTROL OF SYSTEM TEMPORARY ALTERATIONS SAFETY RELATED O
p J Prepared:
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Reviewed:
, P g t'M gger
, Support" Services Supt.
Plant Quality Supervisor Ass PSRC
, A Lit?A7; s
Approved:
l P nt Manager i
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List of Effective Pages:
OAJ Page Revi.sicns g gg &c6 1-8 Rev. 2 h
Acts. I-IV Rev. 1 Major Revision g
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GRAND GULF NUCLEAR STATION ADMINISTRATIVE PROCEDURE lTitlo: Control of Syst a l No.:01-S-06-3 i
Rsvision:
2 l Paga:
1 l
l Temporary Alterations l l
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1.0 PURPOSE The purpose of this procedure is to establish the requirements and methods for controlling activitie's' that temporarily
- alter the design' fu'nc' tion of a syst' m-e or component. The requirements of this procedure apply to all activities.that temporarily alter the design functi.on of any component or system.
Methods used to document temporary alterations constructed under approved test, maintenance or surveillance procedures are contained in section 6.6 of this procedure.
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2.0 RESPONSIBILITY 2.1 The Shift Supervisor is responsible for approving all system temporary alteration requests af ter. reviewing-them to determine the actual need, a
the affect on plant operation, and reactor safety requirements in accordance with GGNS Technical Specifications.
2.2 The Control Room Operator is responsible for reviewing all system temporary alteration requests for affect on plant operation and reactor safety requirements in accordance with GGNS Technical Specifications.
2.3 An Independent Verifier shall verify proper placement and removal of all system temporary alterations on safety related sy tems.
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3.0 REFERENCES
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y 3.1 USNRC Regulatory Guide 1.33, Revision 2 February 1978.
Endorses ANSI N18.7-1976 Administrative Controls and Quality Assurance for Operational Phase of Nuclear Power Plants 3.2 MPL-Topical-1, Operational Quality Assurance Manual 3.3 ANSI N45.2-1971, Quality Assurance Program Requirements for Nuclear Facilities 3.4 01-S-06-1, Protective Tagging System 3.5 01-S-07-4, Control of Plant Changes and Modifications 3.6 01-S-07-2, Trouble Ticket 3.7_ OL-S-01-11, Plant Safety Review Committee 3.8 SUM 5000 Startup Manual Administrative Procedures i
4.0 ATTACHMENTS i
4.1 Attachment I - Temporary Alteration Request O
4.2 Attachment II - Filling Out Temporary Alteration Request e
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ADMIN'fSTRATIVE PROCEDURE
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Title:
Control of Systta i No.:01-S-06-3 l
Rsvision:
2i Fage:
2 l
l Temportry Altarationsl l
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i 4.3 Attachment III - Temporary Alteration Tag 4.4 Attachment IV - Temporary Alteration Log a.
,. g 5.0 DEFINITIONS 5.1 System Temporary Alteration 5.1.1 A change that inhibits or alters the intended operation of a plant '
component or system such as electrical jumpers, lif ted wires, piping blocks and bypasses, papered contacts, or temporary setpoints that are intended te be returned to normal or permanently incorporated at some later date and not, otherwise covered by an approved procedure which returns the system back to-normal.
5.1.2 Any system modification designated by the Shift Supervisor as a System Temporary Alteration.
5.2 Electrical Jumper - A wire or cable connected across terminal (s) which is not in accordance with drawing or procedure.
5.3 Lifted Wire - A break in continuity of,a circuit where one connection of a wire previously connected between two terminals is removed.
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5.4 Piping Block - A flange, plug, or other restriction installed in a pipe
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to prevent or reduce flow.
5.5 Piping Bypass - Pipe or tubing installed that allows flow. to bypass a component or a device.
i 5.6 Papered Contacts - Contacts in relays or knife switches that have been electrically insulated such that if the switch or relay was closed, the contact would not make electrically.
5.7 Temporary Setpoints - The adjustment of a component or circuit to cause a device to actuate at a setpoint other than that listed in approved permanent plant documents, or to prohibit the normal auccaatic control
- sequence, l
5' 8) Temporary Alteration Sheet tA form used-for. requesting; approving, and j.
i documenting all system temporary alterations, not oth.erwise covered,by approved operatingi maintenance, or" surveillance procedures.
5.9 Temporary Alteration Log - The log used to record the status of approved Temporary Alteration Requests.
5.10 Temporary Alteration Tag - A purple tag used to identify a system Q
temporary alteration and attached to or located as close as possible to the alteration in a visible location.
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GRAND GUIS NUCLEAR STATION ADMINISTRATIVE PROCEDURE l
Title:
Control of System No. : 01-S -0 6-3 l
Rsvision:
2l Paga:
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l Temporary Alteration l l
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5.11 Restored - A system temporary alteration is considered in a restored condition when the system is returned to the approved design condition or when the system has been released to maintenance for installation of an approved. permanent;modificati-oniin.acandance.;with Reference.3.5.
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.5.12 Independent Verifier - An Operator designated by the Shif t Supervisor to verify proper installation or removal of a temporary alteration on safety related systems.
If, in the Shif t Supervisor's judgement, the Operator is not technically qualified to perform the verification, the Shift Supervisor will also designate a person from the Maintenance Section who is technically qualifed and not responsible for installing the alteration, to assist the Operator as the Independent Verifier and both will sign as Independent Verifiers.
During the Pre-operational, Acceptanc.e Teat Phase, the Independent. Verifier may be the Startup Test Supervisor for alterations controlled in accordance with section 6.6.2 of this procedure.
6.0 DETAILS 6.1 General 6.1.1 Requests for a system temporary alteration shall be made to the Shif t Supervisor on the Temporary Alteration Request Form h
(Attachment I).
6.1.2 A Temporary Alteration Tag shall be assigned and normally attached to each temporary alteration requiring a tag.
However, it is permissible to attach a single tag to more than one lifted wire or jumper if the wires or jumpers can be physically bound together and identified by one tag and if the wires are color coded or can otherwise be easily identified.
6.1.3 When necessary, Danger Tags will be placed on affected equipment in accordance with Reference 3.4.
Temporary Alteration Tags are never to be.used in place of Protective Tags.
6.1.4 The Shift Supervisor shall review and approve all temporary alterations.
He shall give proper consideration to the following:
.a.
GCNS Technical specification requi.rements for degradeo system
. capabilities.
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b.
. P.lant availabi,lity, c.
Total time alteration will be in effect d.
Curren,c plant conditions Q
6.1.5 Independent verification of temporary alteration installation and
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removal is required for all safety related systems and any other y
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CRAND GULF NUCLEAR STATION ADMINISTRATIVE PROCEDURE b
lT.i t le: Control of System i No.:01-S-06-3 l
Rtvision:
2i Psgs:
4 l
l Temporcry Alterationsl l
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O system as deemed necessary by the Shif t Supervisor.
6.2 Guidelines for Consouction and Installation of Temporary Alterations
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.. Temporary jumpers will be 6ade from wire with a purple covering,.
6. 2'.1 several wire sizes larger or of the same size but with heavier (larger diameter) outer covering than the majority of wire in the location of the temporary jumper.
The jumper will be long enough _
to allow approximately 6 inches of excess wire. The jumper must not be dressed or tied or run in back of any other wire.
The-connections must be secure.
The tag shall be secured in the middle of the jumper.
6.2.1 Lifted leads will be pulled out away from the terminal strip -
,gg and where possible, the exposed connector suitably insulated
-((p withoutcoveringthewirey$$dtoAlteration Tag will be [$
g fication numbers.
d The Temporary N
the wire, bcck fra the idancif-i-cation-numbera, where-poesiblenth--purple--colored-tape 6.2.3 Where possible, blocks shall be made obvious, such as a blind flange installed in the middle of a piping run shall have a protrusion from the flange bolt circle, (frying pan handle) painted purple, and plugs inside pipe ends shall have handles protruding out of the pipe, preferably secured to prevent the plug SN from being shoved or drawn further into the pipe and lost.
Insulation must not be installed on a flange with a frying pan handle since it would hide the protrusion.
6.2.4 Hoses or temporary piping that may carry borated. water or othe-solutions that may solidify shall be heat traced if the ambient temperature may drop low enough to cause precipitation.
6.2.5 Papering of contacts either in knife switches or relays will be done using a suitable insulating material.
The paper will be installed leaving tails at least 6 inches long hanging from the contact switch blade.
Relays will not be covered with contacts left papered.
6.3 Requesting and Initiating a System Temocrary Alteration 6. 3.1 - A Job Supervisor may-requese a system temporary alteration.by '
obtaining a Temporary Alteration Form and filling out the
. applicable parts as desc'ribed on Attachment II.
6.3.2 The Supervisor shall submit the applicable reference drawings detailing the work to be accomplished, the Procedure, Trouble Ticket or Maintenance Work Order under which the work is to be performed, along with the Temporary Alteration Form to the Shif t Supervisor for approval.
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GRAND GULF NUCLEAR STATION ADMINISTRATIVE PROCEDURE l
Title:
Control of System l No.:01-S-06-3 l
Ravision: 2l Psgs:
5 l
l Temporary Alterations l l
l l
O 6.3.3 The Shift Supervisor shall:
a.
Review the Temporary Alteration. Request for:
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-(1) Nctual need. '
(2) Technical Specification Requirements (3) Plant Operational Problems and any special operating conditions which must be established.
b.
Review the Reference Drawing Procedure, Trouble Ticket or Maintenance Sork Order for completeness and the scope of the work to be performed.
c.
App te the request by placing his signature, date and time on the Temporary Alteration Request Form.
d.
Assign an operator and, if necessary, a maintenance representative to provide independent verification if the alteration is safety related.
e.
Forward the Temporary Alteration Request, Reference Drawing Procedure, Trouble Ticket or Maintenance Work Order to the Control Room Operator.
6.3.4 The Control Room Operator shall:
a.
Review the temporary Alteration Request for Technical Specification requirements, plant operational problems, and any special operating conditions which must be established.
b.
Concur with the Temporary Alteration by affixing his signature, date, and time.
c ".
Log the information and appropriate log numbers for each alteration in the Temporary Alteration Log (Attachment IV).
d.
Initiate the appropriate actions to establish any special operating conditions which must be established as a result of the temporary alteration.
,s e.
Initiate",t.he. placement fof Proc.ective Tags. at control panels and on equipment as necessary in accordance with Refer'nce e
3.4.
6.3.5 Upon completion of logging all Temporary Alteration Request information, initiating necessary tagging, and establishing any O
vect t ePer ci== co aicio==. che co cret oo-o t cor itt sive e
the necessary authorization to commence work.
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Title:
Control of Systen l No. : 01-S-06-3 l
Rsvision:
2l Paga:
6 l
l Temporary Alterational l
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h The worker assigned to the job makes the alterations and places a.
the Temporary Alteration Tags as required in 6.1.2 above and then signs and. returns the Temporary Alteration Sheet to the
. Control Room. Operator. or Shif t. Supervisor for filing, in, the vc
.i active section of the Tempora'ry Alteration Log.
^
b.
On safety related systems, the Independent Verifier verifies that the alteration is properly performed. The person performing the work and the person (s) performing independent verifications, if applicable, shall sign the Temporary Alteration Sheet.
6.4 Continuation of a Temporary Alteration through Shift Change 6. 4'.1 If the Temporary iteration is for a surveillance test or preventive maintenance instruction which extends over the shif t on which the work was authorized to cocmence by the Shif t Supervisor, the work supervisor will:
Notify the Shif t Supervisor of the job status and conduct a a.
turnover on the job location with continuous surveillance, or b.
Restore the Temporary Alteration in accordance with the requirements of this. procedure.
6.5 Restoration of System Temporary Alterations 6.5.1 When restoration is desired, Maintenance shall use the Temporary Alteration Form to restore the system to the design condition; remove and destroy any Temporary Alteration Tags, and sign the Temporary Alteration Form.
For safety related systems, removal of the alteration and restoration of the system shall also be verified by an Independent Verifier designated by the Shift Supervisor, who will sign the Temporary Alteration Form.
The Temporary Alteration Form shall be returned to the Control Room Operator.
r 6.5.2 The Control Room Operator shall review the Temporary Alteration Form for completeness; affix his signature, date, and time; initiate the removal of Protective Tags if placed; clear the alteration from the Tempo.rary Alteration Log, and forward the, s
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completed Temporary Alteration Ferm to the 'Shif t 'S'upervisor.
6.5.3 The 'Shif t Supervisor shall review th'e ' Temporary Alteration Form for completeness and affix signature and date. The Temporary Alteration Form shall be placed in the inactive part of the Temporary Alteration Log.
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W GRAND GULF NUCLEAR STATION ADMINISTRATIVE PROCEDURE lTitis: Control of System l No.
01-S-06-3 l
Rtvision:
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Page:
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l Tcmporary Altarationsl l
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v 6.5.4 On a periodic basis, not to exceed annually, the Operations Superintendent, or his designated alternate, will remove the inactive Temporary Alteration Forms from the Control Room files.
Inactive requests-wi11 be forwarded to the Office Services Supervisor to
- be m intained-as.a' plant recor(.. -
6.6 Controls for Temporary Alterations placed Under an Aoproved Test Procedure, Maintenance or Surveillance Instruction 6.6.1 Alterations that are performed in accordance with approved maintanance or surveillance instructions require no additional documentation provided the following criteria are met:
gO Construction and installation of Tecporary Alterati ns will be a.
in accordanc with. ection 6.2 of his procedure.
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The. Author's uike,'
ich addNs preparation of these procedures, shall specify equipment controls consistent with this procedure.
Specifically, details for installation and removal shall be provided.
The requirement for independent verification of installation and removal on safety related systems shall also be specified.
c.
The Operations Shift Supervisor shall authorize all O
elteratic-s P aced under the contret of a maintenance or t
surveillance instruction.
This authorization shall be documented with an c;.rf in the Temporary Alteration Log similar to the collowing:
l TEMP ALT NO. l l
l l INSTALLED l REMOVED l
l OR l EQUIPMENT / SYSTEM i MPL l ALTERATION DESCRIPTION l i
i j
l l
PROC. NO.
l l NO. l IDate lTimelDate lTimel l 07-1 l l
l Alterations IAW Proced-1 l
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l l P42-C001-1 l
CCW PUMP /CCW I P42 l ure L.B. Moulder, SS 12/6/8010900l2/6/8011500l d.
Should work under the controls of section 6.6.l.a., b. and c.
extend past the shif t on which it was authorized to start, the Supervisor in charge of the work must:
(.1) Ensure that persons performing, the, work,. conduct. an on location shift re lie f...
or (2) Document the installation of the temporary alteration in accordance with section 6.3 of this procedure.
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6.6.2 Alterations that are performed during the Preoperational and Acceptance Test Phase will be controlled as indicated below.
FGRAND GULF NUCLEAR STATION ADMINISTRATIVE PROCEDURE lFitle: Control of System) No.
01-S-06-3 i
Revision:
2 l
Paga:
8 l
,lTamporary Alterations l l
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a.
During the performance of the " system run in" phase, the.
cognizant Startup Test Supervisor shall ' control system temporary alterations in accordance with Reference 3.8.
In the event that the Startup. Test Supervisor : mast be absent from the job site-and a Te=porary. Alteration
=u. t remain.in. place,.
a section 6.6.1 of this procedure appli'es to che control'of temporary alterations.
b.
During the of ficial run of any Preoperational or Acceptance Test, section 6.6.1 of this procedure applies to the control of temporary alterations.
b
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CRAND GULF NUCLEAR STATION ADMINISTRATIVE PROCEDURE I
01-S-06-3 i Rxvision:
2 1
l Attachmsnt I l Page 1 of 1 I
6 1
f l TITLEl TEMPORARY ALTERATION REQUEST lRTYPEl l TEMPORARY (Pre-l l
l l ALTERATION NO.
Printed) l I
SYSTEM OR EQUIPMENT l
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I I REASON FOR ALTERATION:
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I I Alteration Requested By (Supervisor and Title) l Date Requested
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i l Work Document No.
iTo Be Restored (Date/ Time) l l
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I Independent Verification Reg'd l LCO Requires Restoration By (Date/ Time)
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l Yes l
l No l
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l ALTERATION i
INSTALLED l
RESTORED I
I TYPE i LOCATION i
DESCRIPTION l
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I 1 REFERENCE (DWG,ec t.)
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I I Alteration Approved (Shift Supervisor) lAlteration Issued (Control Room Operator)1 Work Complete (Supervisor in Charge of Work l
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1 Restoration Complete (Control Room Operator)!
Restoration Noted (Shift Supervisor) l I
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- CRAND GULF NUCLEAR STATION ADMINISTRATIVE PROCEDURE 01-S-06-3 lRivision:
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l Attachment II l Page 1 of 1 l
FILLING OUT A TEMPORARY ALTERATION SHEET Each Temporary Alteration Sheet shall, provide the following information: -
1.
The name of the system or component affected along with the MP&L equipment number.
2.
The name and title of the person requesting the alteration, and the date
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requested.
2.
The reason for the alteration.
Include a brief description of the work to be performed, and the physical effect the Temporary Alteration will have on the equipment or system (see example under step 9. below).
4.
The date and/or time the condition is expected to be restored.
s 5.
The Work Document Number that the work is being performed under.
(If Required) 6.
A determination as to whether or not the task is safety related and whether independent verification is required.
s 7.
The type of alteration (jumper, lif ted wire, piping block, or bypass, etc.)
that is to be made.
8.
The physical location of where the alteration is to be made, such as panel number, pipe location.
- 9. 'A description of what the alteration consists of, such as terminal connections,
wire numbers, pipe number, the name and number of an instrument with a temporary setpoint adjus tment as well as the value of the temporary setpoint, etc.
EXAMPLE:
Reason for alteration - remove local control of Auxiliary Steam Feedwater Pump N12C001A by local handswitch SN12 HS-n003A and remove the handswitch for maintenance.
l TYPE i
LOCATION i
DESCRIPTION l
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I 1
l Jumper i
SH22-P168A l
Jumper from Terminal block TB1, I l
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terminal 4 to T31 terminal XI l
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I Lifted Lead l
SH22-P168A l
Lead number."1" lifted from-l l
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Reference Drawings - List all reference drawings which detail the scope of the work.
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01-S-06-3 l Ravision 2 l
l Attachmtat IIll Page 1 of I l
TEMPORARY ALTERATION TAG Purple backgroucd Black lettering l
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TEMPORARY SYSTEM ALTERATION TAG
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Name Date l
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- GRAND GULF NUCLEAR STATION ADMINISTRATIVE PROCEDURE I
01-3-06 3 i Ravision: 2 l
I Attachment IV i 1-ge 1 of 1 I
ITITLE: I GRAND GULF TEMPORARY ALTERATION LOGIRTYPE i Unit i l
IT.A. No.
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