ML19209B576
| ML19209B576 | |
| Person / Time | |
|---|---|
| Site: | Three Mile Island  |
| Issue date: | 07/25/1979 |
| From: | METROPOLITAN EDISON CO. |
| To: | |
| References | |
| 1002, NUDOCS 7910100178 | |
| Download: ML19209B576 (35) | |
Text
9 g 1002 Revision 16 07/25/79 THREE MILE ISLAND NUCLEAR STATION ADMINISTRATIVE PROCEDURE #1002 RULES FOR THE PROTECTION OF EMDLOYEES WORKING ON C0h' mimed COPY ELECTRICAL & MECHANICAL AP?ARTU p Table of Effective Pages
- Pace Date Revision Paae Date Revision Pace UMT1 Date R evision 1.0 02/23/77 9 24.0 04/24/79 15 2.0 10/28/77 11 25.0 04/24/79 15 3.0 02/23/77 9 26.0 07/25/79 16 4.0 02/23/77 9 27.0 04/24/79 15 5.0 10/28/77 11 28.0 04/24/79 15 5.1 10/28/77 11 29.0 04/24/79 '5 6.0 02/23/77 9 30.0 04/24/79 15 6.1 07/25/79 16 7.0 08/21/78 13 c.0 07/25/79 16 8.1 11/23/77 12 .
9.0 02/23/77 9 10.0 10/28/77 11 11.0 04/24/79 15 12.0 04/24/79 15 13.0 07/25/79 16 14.0 07/25/79 16 15.0 07/25/79 16 16.0 07/25/79 16 17.0 94/24/79 15 15.0 04/24/79 15 19.0 04/24/79 15 20.0 04/24/79 15 21.0 04/24/79 15 22.0 04/24/79 15 23.0 07/25/79 16 Unit 1 Staff Recommen s pproval Unit 2 Staff Re.com en preval
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Approvai [I 7 s Date Approval N Date CognitarnOfpt. Head CogndanM)edt. He'ad Unit 1 PORC Rec mmends Approval Unit 2 PORC Recommerds Approval l 1 Date 1 Y$ R uWW Date lkA 9 '
[- Chairman of PORCJ Chairman of PORC Unit 1 Superintendent Approval Unit 2 Superintendent Approval
!' ki's *I nt./? c ! Date 9 0 W 1 ---: 3 s Date f/ il l Manager Generatton Ouality Assurance Approval Me Date 7/ Yb?
System Safety t epresentative h7 MA OO Cate br,h/ vv. ss . . , , ,
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Revision 9 02/23/77 THREE MILE ISLAND NUCLEAR STATION ADMINISTRATIVE PROCEDURE #1002 RULES FOR THE PROTECTION OF EMPLOYEES WORKING ON ELECTRICAL &
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MECHANICAL APPARATUS Table of Contents A. GENERAL
- 1. Purpose
- 2. Scope
- 3. References
- 4. Definitions and Abbreviations B. RESPONSIBILITIES
- 1. Maintenance Department
- 2. Operations Department
- 3. Training Department
- 4. Station Personnel C. LIMITS AND PRECAUTIONS D. DETAILED PROCEDURE
- 1. Removal and Isolation From Service
- 2. Partial Clearing of Tags
- 3. Clearance of Tags with Tags and Grounds to Remain
- 4. Restoration to Service S. Use of Uncontrolled Tags 1.0
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, ' 1002 Revision 11 10/28/77 E. ENCLOSURES
- 1. Application for Apparatus to be Taken Out of Service
- 2. Clearance Controi Document
- 3. Switching Order (00-54 11-55)
- 4. List of Equipment Eligible for Personal Tags
- 5. Locations for Placement of Tags
- 6. Unit 1/ Unit 2 Interfacing Systems
- 7. Red Tag & Extension Control Sticker
- 8. Blue Tag & Extension Control Sticker 2.0 l i 25 2133
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- 1002 Revision 9 02/23/77 A. GENERAL
- 1. Purpose The purpose of this procedure is to provide methods to insure the safety of personnel who may be required to work on or around electrical and mechanical apparatus under the jurisdicition of Three Mile Island Nuclear Generating Station. The apparatus covered by this procedure may or may not be radioactive.
- 2. Scope The detailed procedure provides a step-by-step method for the electrical and/or mechanical isolation, and control of any equipment on which maintenance, inspection, troubleshooting or testing is to be performed. This is a " Supplemental Procedure" specifically for TMI as permitted by Article 2.18 of Met Ed Safety Manual Section Two. It is not intended to supersede other approved Met Ed documentation which addresses safety:
namely, the Safety Manual, Metropolitan Edison Company Instructions for Switching and Tagging, or the TMI Radiation Protection Manual (TMI Administrative Procedure #1003).
- 3. References
- a. Met Ed Safety Manual (Section 2, especially Article 2.18).
- c. GP 0051 Rules for Men Working on High Temperature or Pressure Systems.
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1002 Revision 9 02/23/77
- 4. Definitions and Abbreviations The following definitions and abbreviations are applicable to this procedure and are acceptable for use on applications and switching orders.
ABT-Automatic Bus Transfer ACB-Air Circuit Breaker BDD-Breaker Disconnecting Device CRO-Control Room Operator CT -Current Transformer Extension Control - Controls assaciated with operation of its associated main breaker; can be control switch, pushbutton, selector switch, etc.
ES - Enginee,'ed Safeguards .
l GCB-Gas Circuit Breaker MCC-Motor Control Center OCB-Oil Circuit Breaker PT -Potential Transformer RWP-Radiation Work Permit USS-Unit Sub Station -
B. RESPONSIBILITIES
- 1. Maintenance Department
- a. Maintenance personnel shall be throughly familiar with this procedure and the equipment which is to be isolated, as well as all applicable Met-Ed safety regulations.
- b. Maintenance supervision shall be responsible to see that maintenance person,nel perform work in strict accordance with this procedure and shall be responsible for training thereof.
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- c. Maintenance supervision shall make an independent check of tag coverage and usage, using appropriate schematics and system diagrams as necessary, and sign each tagging application signifying it is correct and complete.
- 2. Operati= Department
- a. Operating personnel shall have the ultimate responsibility for isolation or restoration of equipment through the proper use of the switching order.
- b. Operations Shift Supervisor / Foreman shall check each application for equipment to be taken out of service to be certain they are correct and complete. Shift Supervisors, in addition, will, by written and oral examination, verify that individual maintenance personnel are qualified to request equipment to be removed from service. This verification will follow the completion, by maintenance personnel, of the Training Departments program on Switching and Tagging. An up-to-date list of TMI personnel who may request switching and tagging shall be available to the CR0 assigned to switching and tagging at all times.
- c. Weekly audit of the tagout log shall be performed by the Operations Department to verify its accuracy.
- 3. Training Department
- a. The Training Department will insure that operations and appropriate maintenance personnel are trained in the use of this procedure. The Head c,( the Training Department shall define the method to be used for initial training, training on revisions and retraining on this procedure.
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- 4. Station Personnel It is the responsibility of all station personnel to ensure that their verbal instructions are correctly received and interpreted by the receiving party (s). The recommended method is to have the receiving party repeat back the stated instruction.
An alternative is to visibly ensure your instructions are car:ied out.
Verbal orders, whether by phone or in person, shall be clear and concise.
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Revision 9 02/23/77 C. LIMITS Af1D PRECAUTI0 tis
- 1. The list of personnel authorized to request switching and tagging shall be maintained by the Operations Department. To be qualified for inclusion on this list, an individual shall have been examined and verified satisfactory by a Shift Supervisor.
Record of this verification, including completed test, shall be retained in the TMI Training Department files.
- 2. There are two types of tags to.be used for the i.wlation of equipment. The tags are color coded " Red" and " Blue".
- a. Under no circumstances shall equipment bearing a Red Tag be energized or operated. One or more parties may work under Red Tag protection providing each party has received clearance from the Switching and Tagging CRO.
- b. Equipment bearing a Blue Tag may be worked on by only one party at a time. Equipment bearing a Blue Taa may b energized or operated, but only upon the request of the employee in charge of the work party that has clearance.
Operations Department permission to energize or operate must meet the following stipulations:
(1) Permission to energize or operate E.S. equipment must come from the Shift Supervisor / Foreman.
(2) Permission to energize or operate fion-E.S. equipment may be granted by any duty operations control room personnel.
(3) All permissions must include specific instructions as to the position the equipment must be left in when the requested operations have been complete.
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.- . 1002
.- Revision 13 08/21/78 (e.g. MU-V16 to be left closed after cycling). The person in charge of the work shall work with due regard for the actual condition existing.
(4) Permission to energize or operate a blue tagged component shall be granted only in situations where energizing or operating the equipment is required to complete the work item for which the tags were placed. In all other situations requiring energizing or operating tagged equipment, cleared tags must be removed in accordance with section 4 of this procedure prior to er.ergizing or operating.
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Revision 13 03/21/78
- 3. In addition to the standard tags described above, smaller red or blue adhesive backed sticker tags wil? be used wherever standard tags cannot be used due to physical limitatit ns. No tag shall be placed on any extension control unless it is accompanied by a tag of the same color on the associated power supply and its manual operator.
- 4. Wherever available, an atmospheric drain or vent between the equipment to be worked upon and sources of pressure shall be tagged in the open position.
- 5. The criteria in GP0051 shall be adhered to for the protection of personnel working on High Temperature /High Pressure Systems.
This Generction Division Procedure defines High Temperature / .
High Pressure as greater than 2000F and/or 200 pounds per square inch.
- 6. For work on electrical circuits, maintenance personnel will always test for voltage prior to starting work. Approved grounding devices shall be applied where circuits could be energized at 6G0 volts or greater. The use of approved grounding devices is ancouraged where circuits could be energized at any voltage.
- 7. When work on a piece of equipment requires that it be tagged-out in such a manner that the equipment could be damaged if operated, then the power supply or the steam supply to that component shall also be tagged. Example: If the suction or 7.0 1125_29.0
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1002 Revision 16 07/25/79 discharge valves of a pump are tagged shut then the BDD for the pump feeder breaker shall be tagged open.
- 8. No employee holding clearance shall leave the Station without reporting clear (of tags) to the switching and tagging CR0 and has received acknowledgement that it has been so noted on the appropriate clearance control document.
- 9. Tagging applications for equipment affecting the cross-connect capability of systems that are common to both units will require special handling. The Shift Foreman for the Unit initiating the tagging application must communicate with the Shift Supervisor to assure that conditions in both units will allow the equipment / system removal from service, before approving the application. The systems listed on Enclosure 6 are common to both units.
- 10. _ CAUTION: Ensure tags are placed in such a manner that operating indication, are not obscured by the tag.
D. DETAILED PROCEDURE
- 1. Removal and Isolation from Service 1.1 An application for apparati.s to be taken out of service (See Enclosure I) shall be completed, down to the first double lire by an individual on the approved Switching and Tagging list.
The application shall be made out in detail. It shall include date and desired apparatus, date and time of anticipated start and finish, and a brief description of work to be done and the hazards associated with the work. Devices requiring tags shall be listed including their tagged position and the color tag required. The exact word designator or Alpha numeric designator appearing on the switchgear and/or valve tag shall be used on applications. Any device requiring tags, which is 8-1i25 291
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. Revision 12 11/23/77 not located within cr controlled from the unit in which the application is being made, must be clearly identified as succ by p; aceeding that equipment with the phrase in Unit #
The same individual who initiates 8.1 1125 292 _ -
1002 Revision 9 02/23/77 the tagging application will initiate or verify the existence of a Radiation Work Permit if one is required by the work request. If an evolution to be performed in the controlled area is not covered by a work request the Radiation Protection Supervisor / Foreman shall determine if an RWP is required.
Preparation, routing, and approval of the Radiation Work Permit is described in Section 2.10 of the TMI Radiation Protection Manual. -
1.2 The individual will present the completed application to the department foreman who will check for accuracy and correctness and sign approval to the application. Anytime the departmental foreman is r.'t on site, the individual should present the application directly to the siif t foreman as per Section D.l .3 of this procedure. The shift foreman in this instance will sign in the departmental foreman's space as well as tne space allotted the shift foreman.
NOTE: During the construction phase when applications are received from the UE&C Safety and Permit Man, the department foreman signature block and the requirement for departmental foreman review need not be completed. Tags prepared for the protection of UE&C personnel shall be made out to "UE&C Safety & Permit" man.
1.3 The individual will next present the departmentally approved j application to the shift foreman for the latter's checking, approval, and signature.
1.4 The application will then be presented to the Control Room Operator, who shall verify that the requested isolation and 9.0 1125 293
1002 Revision 11 10/28/77 tagging is adequate to safely perform the work. When satisfitJ, the CR0 will assign a control number and sign the application.
If the application requires duplicate " Red" tagging of identical apparatus, e.g. apparatus already tagged from an application for another work party (s), then the new applicant may be granted " Clearance" and added to the original .pplication.
The original application thus becomes a "Cles ance Control vocument" identifying each party to existing tags. Each subsequent application shall be attached to the original application. Thus tagged equipment may not be operated or energized and tags may not be removed until all parties granted clearance have cleared off.
If the applic'2 tion requires " Blue" tagging of identical apparatus that is c'. ready " Blue" tagged, then the new applicant may be granted " Clearance" only if the original applicant has previously cleared off the job and the tags remain. Not more than one party may be granted clearance to work under the same " Blue" tag at any time. This practice may be used when a job is carried from one shift to another and providing " identical protection" is required.
The CR0 will ti .en prepare the order for mechanical and/or electrical isolation on the form titled " Switching Order (OD-54 11-55)" (See Enclosure 3) which will contain the following infornation:
- 1. ifame of Station & Unit Number
- 2. Control Number 10.0 1125 294
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- a 'g Revision 15 04/24/79
- 3. Date, Time
- 4. Ordered by (CR0 Writing Order)
- 5. Order of Switching On equipment with 43ES selector (Unit 1 only) the switching order must include position of these switches. See Enclosure 8 for listing.
NOTE: (Unit #1 only) Position of related 43/SS ~'
including components to be sele.ted and desired power supply should be noted on the aitching order as applicable. Ensure redundant ES equipmen; has been tested, prior to removal of equipment from service. (See Encl. 3A)
(Unit #2 only) Position of related external control switch, "AUT0" position, of redundant
, RR-P should be noted on the svitching order.
Ensure redundant component ir, operational prior to removing component from service. (See Encl.
3B)
(Unit #2 only) Ensure that the "back-up selection" switch is in the correct position so that the redundant NR-P can be started directly by an ES signal. This should be noted on the switching order.
Also, ensure redundant NR-P is' operational prior to removing first NR-P from servica.
(See Encl. 3C) 11.0
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. G4/24/79 Any d.vice reouirina taas, which is not located within or controlled from the unit in which the application is being made, must be clearly identified as uch by preceeding that ipment with the phrase In Unit # :. The switching order will be made out in duplicate; the original to remain in the Control Room and filed in the " Switching Order Book"; the other copy will be carried by the individual who performs the isolation and switching. This individual may be Operations or Maintenance Department personnel. This carried' copy is then destroyed following the report to the CR0 that switching and tagging has been accomplished. The required Red / Blue tags will also be prepared by the Control Room Operator in conjunction with the Switching Order. Each tag shall carry the same control number as the application / switching order. All required information must be supplied on each tag at the time tag is placed. This includes:
- 1. Name of Station & Unit Number -
- 2. Date & Time Placed
- 3. Tagged For - Control Number
- 4. Oper. Placing Tag
- 5. CR0 Issuing Order
- 6. Name and Number of Device If the YES block on the application, has been checked indicating that a Radiation Work Permit is required for the work to be performed, the Control Room operator shall ve'rify that a completed and authorized RWP is on file in the Control Room.
Only then can the CR0 preceed with granting clearance for work to begin as per Section D.1.6 of this procedure.
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1002 Revision 16 07/25/79 1.5 Isolation and tagging of equipment, as listed on the Switching Order, will be performed by a person designated by the duty Shif t Supervisor / Foreman.
Physical location of tags on Electrical equipment shall be in accordance with Enclosure 5 of this procedure. The completed switching order will then be reported as complete to the CR0 who will record on the original switching order the time completed anJ name of the person who performed the order.
CAUTION: Ensure tags are placed in such a manner that operating indications are not obscured by the tags.
1.6 The correct isolation and tagging of equipment shall be personally verified from a copy of the application by the individual who requested the equipment be isolated and who shall confirm this verification to the Control Room Operator. The Control Room Operator af ter verifying that an approved RWP is on file, as applicable, will then grant clearance for the work to begin and will again sign the clearance control document giving date and time for the clearance given. At this time the Control Room Operator will inquire and so note YES on the application if grounds will be applied.
- 2. Partial clearing of an application.
Partial clearing of an application (i.e. removal of some of the tags required by a specific application, but not all the tags) may be accomplished by notifying the Switching & Tagging CR0 of the desired items on the application from which tag removal is required. The CR0 assigned to Switching and Tagging 13.0 llD 29[
1002 Revision 16 07 must notify all parties who have been granted clearance o/25/79 n the specific application in question and all must authorize the
" Partial Clearing Request". In accordance with section 2 of Limits and Precautions, the duty Shift Supervisor / Foreman, after verifying Personnel and/or Equipment safety still exists, may authorize the issuance of a switching order to affect the requested " Partial Clearing" The cleared items will be noted on the front of the original application along with the date, time and name of the person who initiated the partial clearing request. Notation of the partial clearing will be accomplished by " Red Lining" the partially cleared apparatus on the front of the application. Following this, removal of tags will be performed. After reve.-ification of remaining tags clearance to resume work or testing will be granted, by the Switching &
, Tagging CRO, to the person who initiated the application and any other parties previously cleared on the original application.
- 3. Clearance of Tags with Tags and Grounds to Remain.
If a person who has obtained clearance to work under tags is leaving the job site and/or the work is- temporarily halted, the employee holding clearance shall report to the CR0 that all workers are clear of equipment but tags and/or grounds are to remain. Also, at this time, the CR0 must be advised of the position and/or status of the tagged out equipment. The CR0 shall note the time and date along with a statement as to the operability, and status of Red tagged components and the operability, status and oosition of the components that are Blue tagged (i.e. " Equipment may be operated if necessary and t
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1002 Revision 16 07/25/79 MU-V16 is open" or " Equipment is disassembled and cannot be operated, and MU-V16 is closed") on the back of the appropriate clearance cortrol document (CCD) form. Clearance must again be given before work can resume. This also shall be noted on the back of the CCD.
Cleared tags may be ordered removed by a foreman after he has verified that the conditions that required the tags have been satisfied (i.e. The safety of personnel / equipment no longer requires the tags). In all cases the tagging application will clearly indicate the condition (s) dictating the need for the tags.
3.1 Should Station / Unit needs dictate the removal of any tag (s) that has not been cleared by an employee who has received clearance to work and the employee in question is not available,
, on the site or by telephone contact off the site, then the clearing / removal of the uncleared tag (s) shall require the approval of the Unit Superintendent.
- 4. Restoration to Service 4.1 When the work has been completed, grounds removed, and all parties that have received clearance have reported clear, and the Shift Foreman has deemed that the equipment is ready for service, the Switching and Tagging CR0 shall so note on the Clearance Control Document. This notation will include the time, date and a statement as to the status and position of the isolated 'quipment.
4.2 Following the notification by the Shift Foreman the Control Room Operator will then prepare the switching order to restore 1I25 299
1002 Revision 16 07/25/79 the mechanical and/or electrical equipment to its normal configuration. If the equipment to be restored to service is an electrical bus, motor control center or distribution panel the Shift Supervisor / Foreman shall designate the desired position of every breaker on that bus, MCC or distribution panel as part of the switching order. Valve position or mechanical equipment alignment shall be specified on the switching order in proper sequence. The specified position shall be consistant with technical specification requirements. As in Section D.l.4, the order (0D-54-11) will be made in duplicate.
4.3 Removal of tags and restoration of equipment, as listed on the switching order, will be performed by designated Operations Department personnel. Contaminated tags shall not leave the controlled area. All tags shall be properly disposed of.
4.5 When the tags have been removed and the equipment restored to 4
its normal configuration, the Control Room Operator shall be notified to that effect by the personnel who performed the restoration. The Shift Foreman shall then sign the original application, indicating that the equipment is approved for operation.
- 5. Use of Tags on Equipment not under Operations Department Jurisdiction (Uncontrolled Tags)
If needed for personnel safety, tags shall be used on equipment as designated in Enclosure 4. Such tags may be placed without Operations Department approval or orders. Tags so used will be filled out to include the name of the person, time of application, date, and designation of device tagged. Employees who may use such tags shall adhere to Section C.1 of this Procedure.
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SWITCHING ORDER St ST ATION ORDE R NO. DATE M--
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_ PDDR ORGINmL .
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ENCLOSURE 3B
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SWITCHING ORDER
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Enclosure 4 List of Equipment Not Under Jurisdiction of Operctions Dept.
Unit i
- 1. Lighting circuits and convenience receptacles. (Except security related electrical equipment, lights, etc).
2.- Heating and ventilating circuits in Service Building, Turbine Room, and out-buildings or.ly (with exception of Screen Houses).
- 3. Machine shop equipment.
- 4. Motor operated doors. (Except Aux. Bldg. and Fuel Handling Bldg.
Aircraft Doors.
- 5. Welding circuits.
- 6. Cranes and hoists except RB and FH cranes.
- 7. Weather stations.
d
- 8. Battery operated vehicles.
- 9. Burtex Feminine Hygiene Electric Incinerators.
- 10. Electric shop test panel,
- 11. Portable electric appliances & tools.
- 12. Instrument and control shop equipment.
- 13. Any device that is a local indicator only; i.e. , isolation valve to pressure gauge.
- 14. Recorders with only local alarm and indicating functions.
- 15. Chemical analytical equipment in lab.
- 16. Counting room equipment.
- 17. IWFS, Filter Press IW-F-4 and conveyor.
23.0 1125 307
... 2 1002
. Revision 1g
. I/24/79-Page 2 of 2 Unit 2
- 1. Lighting circuits and convenience receptacles.
- 2. Motor operated doors (except Auxiliary Building).
- 3. Welding Circuits.
- 4. Cranes and hoists _except RB and FH cranes.
- 5. Battery operated vehicles.
- 6. Burtex Feminine Hygiene Electric Incinerators.
- 7. Portable electric appliances and tools.
- 8. Instrument and control shop equipment.
- 9. Any device that is a local indicator only; i.e. , isolation valve to pressure gauge.
- 10. Recorders with only local alarm and indicating functions.
- 11. Chemical ana19tical equipment in lab.
- 12. Counting room equipment.
- 13. Heating and ventilating circuits in the -Turbine Room, and out-buildings only (with exception of the River Water Pump House)
I v.n 1.1.2 5 3 0 8 . . .
/*~*; 1002 Revision 15 04/24/79 LOCATIONS FOR PLACEMEriT OF TAGS Enclosure 5 Tags are to be placed in the following places: Page 1 of 2 7KV Switchgear (Unit 1 and Unit 2)
BDD - Tag to be placed on tag holder nounted inside the switch gear cubicle on the lower left hand side.
Ext. Control - In control room on designated breaker control.
4KV Switchgear (Unit 1 and Unit 2)
BDD - Tag to be placed on tag holder mounted inside the switch gear cubicle on the lower left hand side.
Ext. Control - In control room on designated breaker control and on local control if applicable.
480V Bus Westinghouse type DB Breakers BDD - Tags to be placed in hok f the right hand side rail of '
the breaker cubicle, and on the outside of the cubicle door around the door closing scre.. (Two Taas Required).
Ext. Control - In control room on designated breaker control and on local .7 trol if applicable.
General Electric Type AK Breakers BDD - Tags to be 5. laced on disconnecting device bracket on the lef t side of the cubicle, and on the outside of the cubicle door around the door closing screw. (Two Tags Required).
Ext. Control - In control roon on designated breaker control .
and on local control if appl'icable.
25.0
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1002 Revision 16 07/25/79 480V MCC (Unit 1 and Unit 2)
Breaker - Place tag on operating handle on front of cubicle in hole provided.
Ext. Control - In control room on designated breaker control and on local control if applicable.
Distribution Switchboards Breaker - Place tag on designated breaker control.
Fuses Place tag on designated fuse holder.
CAUTION: Ensure tags are placed in such a manner that operating indications are not obscured by the tags.
26.026 3}C
. 1002
's Revision 15
.- 04/24/79 Ef1 CLOSURE 8 (UtlIT 1 OrlLY)
LIST OF EQUIPMENT WITH 43 SELECTOR SWITCHES A 4160V
- 1. MU-P1B
- 2. MU-PlA
- 3. MU-Plc B 480V
- 1. itS-PIB
- 2. IIS-Plc
- 3. TIS-PlA
- 4. NR-P1A
- 5. fir-PlB
- 6. NR-Plc 27.0 }}2h 3ll 4
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- 1002
..' +
Revision 15 04/24/79 ENCLOSURE 6 UtilT 1 - UtilT 2 - If1TERFi,CitiG' SYSTEMS
- 1. 4160 Volt Tie Bus from the 1A or 1B Auxiliary Transformer to Unit 2 4160 Volt Buses 2-lE or 2-2E.
- 2. 4160 Volt Tie Bus from the 2A or "B Auxiliary Transformer to Unit 1 4160 Volt Buses IC,1D or 1E. ..
- 3. Auxiliary Steam System.
- 4. Condensate System.
- 5. Common Discharge to the River via the Radiation Monitoring PIT.
- 6. Demineralized Water System.
- 7. Domestic Water System.
- 8. Fire Service System.
- 9. Instrument Air System.
- 10. Make-Up Water Pretreatment.
d
- 11. Nitrogen Supply for Steam Generator Chemical Cleaning.
- 12. S, team Generator Chemical Cleaning.
- 13. tiuclear Hydrogen Supply System.
- 14. Secondary Hydrogen and Carbon Dioxide Supply System.
- 15. Radwaste Disposal - Miscellaneous Liquids.
- 16. Radwaste Disposal - Solid.
- 17. River Water Chemical Treatment - Chlorination. ,
- 18. Service Air System.
- 19. Turbine Lube Oil System.
- 20. Fuel Handling Building H&V System. ,
?R.0 1125 312
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