ML17277B040
ML17277B040 | |
Person / Time | |
---|---|
Site: | Columbia |
Issue date: | 11/07/1983 |
From: | Martin J WASHINGTON PUBLIC POWER SUPPLY SYSTEM |
To: | |
Shared Package | |
ML17277B035 | List: |
References | |
1.3.8, NUDOCS 8311210269 | |
Download: ML17277B040 (32) | |
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'",,'rnnSW ggg@ggke+ 'WASlUNGTON PUSLIC POWER SUPPLY SYSPSM PLANT PROCEDURES MANUAL WNP- 2 PROCCDURK NUMBKR APPROV DATC
%1.3.8 ll/07/83 Ol UMC NAMC ADMIN ISTRAT IVE CEDLRE N
1.3 CONDUCT OF OPERATIONS
+1, .8 E IPMENT CLEARANCE AND TAGGING
- 1. 3.8.1 ~Pur Oee This procedure provides direction for the proper method of requesting, issuing, lifting and releasing Clearance Orders (CO). The "Danger" and "Caution" tags are placed on plant equipment to provide for safety of personnel and equipment protection.
It must be understood that a Danger Tag Clearance Order and associated "Danger" tags represent a lifesaving procedure and SHALL BE INVIOLATE.
Violation of one of these tags or the Clearance Order procedure by anyone SHALL be sufficient cause for IMMEDIATE DISCIPLINARY ACTION.
1.3.8.
~ ~ ~ 2 Discuss ion A. De finitions tt dtg p tdgy ttd t d respectively and are used when personnel safety's of primary concern.
~t' and tp ytt tg p IV respectively and are used to provide temporary instructions tdty tt. ~ t or limited operation of equipment.
"Clearance Order Release" is the process of closing out a Clearance Or er and thereby placing it into the "closed" section of the Clearance Order Log.
"Closed" Clearance Order is a Clearance Order that has been released, removed and is no longer in effect.
~tttt" protection for
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Clearance Order and its associated tags.
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"Authorized Individual" shall be any permanent Supply System employee or any individual who is on the authorization list. The authorization list shall be maintained in the form of'he Clearance
~t"dial 1't Order Log and approved by the Operations Manager.
1 t4 th Op t t.
"Redundant Verification" is that requirement directing a second knowledgeable individual to make an independent verification of cor-rect equipment status for safety related and fire protection equip-ment. This can'be accomplished from the main control room when ade-quate status indi. cation is available or by local status verification when necessary.
B. All Clearance Order Tags ("Danger" and "Caution" ) are placed, accounted for and removed only in conjunction with a properly authorized Clearance Order.
- 1. The "Danger" tag is placed as an assurance that the system or equipment will NOT be changed from the status tagged except as provided by this procedure.
- 2. The "Caution" tag is placed as an assurance that the system or equipment will be operated only as provided by the instruction or limitations described on the tag.
- 3. Because the two Clearance Order tags have different functions, the "Danger" tag shall have precedence and priority over a "Caution" tag.
- 4. This procedure allows for multiple use of a single clearance.
These "multiple" Clearance Orders should be used only when the boundaries are mutual, common and uncluttered.
If any doubt exists, it is better to issue Clearance Order and associated tags.
a redundant
- 5. This procedure provides for temporarily lifting of "Danger" tags, when work is complete, for testing of component just prior to Clearance Order Release.
- 6. Clearance orders to Supply System personnel under a BPA switching clearance will not contain a listing of tags placed.
Tagging in this situation is performed by BPA persnnel in conformance with BPA procedures. Refer to PPM 1.3.26.
PROCEDURE NUMBER REVISION NUMBER PACK NUMBER 1.3.8-2 of 17 WP 490 R1 (9%9)
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1.3.8. 3 Procedure The Clearance Order Log will be maintained in the Control Room. It consists of two loose leaf type binders, one for the "Danger" Clearance Orders and one for the "Caution" Clearance Orders. Each binder will be divided into two sections: an active section containing the Clearance Orders in effect and a closed section containing the Clearance Orders that have been closed.
On the first of the month (plus or minus 1 week), a person designated Operations Manager will review both logs and take appropriate action by'he to clear any unnecessary Clearance Orders.
A person assigned by the Operations Manager will spot check the physical status of tags in the field at least every 60 days. This check will be for proper placement of tags, legibility of tags and for unauthorized tags.
Closed Clearance Orders will remain in the closed section for a minimum of 30 days from date of closure. All closed Clearance Orders beyond the 30 days that are no longer needed shall be forwarded to the Plant Records Center for disposition.
A. ~AuthorIt The Shift Manager is responsible for administration of the Clearance Order Program. This responsibility cannot be delegated.
Sicpature authority for the functioning'f the Clearance Order Pro-gram may be delegated. For ur oses of this rocedure rocessin the term Shift Mana er shall include his si ature desi ate unless s cified otherwise.. The authorized individual accepting the Clear-ance Order or continuing work under a Clearance Order issued to a work document is responsible for verifying a safe working condition.
B. Clearance Order Issuin Clearance Orders may be issued in one of three methods. They may be issued to an authorized individual by name, person in charge of work by a work document, or Duty Shift Manager by title. In addition, during system lineup and testing, clearance orders can be issued to a work document number or to any authorized test engineer.
In the case of the latter two, the person currently in charge of the work or the on-duty Shift Manager accepts or releases the Clearance Order. Also, during system lineup and testing, test directors may accept or release clearance orders issued to their assigned test engineers.
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The request for a Clearance Order is made through the Control Room,
'.e., Plant Operations Department. Pn assicped operator will then determine the requirements to provide a safe work condition and initiate the appropriate Clearance Order Form, Attachment V or VI as directed below. These forms contain an original (white), a yellow and a pink copy. 'he pink copy is issued with the tags for use in processing the Clearance Order. The yellow copy is retained with the original in the active section of the log for use at the time of Clearance Order release.
- l. Upon r'eceipt of a Clearance Order request the assigned operator will proceed as follows:
NOTE: Clearance orders issued to Supply System personnel under a BPA switching clearance does not allow tagging by Supply System personnel. Proceed to Step 1.3.8.3.B.4.
- a. Enter the "Equipment/System" description and the "Purpose" on the Clearance Order,.
- b. Determine the required tag locations and the desired component status and record this information in the "Tag Location" and "Tags Hung" sections of the Clearance Order. If more than.ten tags are required, an addendum will be issued (Attachment VII). The use of an addendum will be noted in the "Remarks" portion of the Clearance Order. The addendum is completed by recording additional tag locations and desired status for each component. The addendum is numbered with the same number as the Clearance Order and is attached to the Clearance Order -proper.
Number each tag with the Clearance Order number and the appropriate tag number shown in the "Tag Location" section of the Clearance Order.
- d. Denote on each tag the equipment name and/or piece number and required component status and/or functional require-ment for the component the tag is hung on (i.e., for a pushbutton switch pump off/do not depress).
- e. Enter the work document number, authorized individual name or Shift Manager on the Clearance Order.
- f. Present the tags and Clearance Order to the duty Shift Manager.
- 2. The Shift Manager will assure that the Clearance Order provides the safe conditions necessary for the protection of personnel and will:
PROCKOURK NUMBKR RKVIBION NUMBKR PAOK NUMBKR 1.3.8 1.3.8-4 of 17 WP 414 Rt (t 44)
- a. Sign the "Authorized By" in the "clearance issue" section and enter the date and time.
- b. Assicp an operator to hang the tags and place the equipment in the specified status.
- 3. The assigned operator will thoroughly review the operational tasks required and will then:
- a. Position valves, breakers, switches or other devices in the status specified.
- b. Hang the tags and initial the Clearance Order original adjacent to the designated position for each component.
- c. Inform the Shift Manager that the clearance has been placed.
- 4. The Supply System representative responsible to accept the clearance shall thoroughly understand the requirement necessary to accomplish the work and the limits of the clearance and shall:
a ~ Verify that the Clearance Order provides a safe working condition and was properly implemented and so signify by signature in the "Accepted By" section of the Clearance Order. This signature is not intended to prevent an as-signed craftsman from further verifying safe working con-ditions.
- b. Notify the control room operator of start of work.
C. Clearance Order Release Tags removal and Clearance Order release will be approved by the Shift Manager. It will be approved when the authorizated individual to whom it is issued, the person in charge of the work under a work document, or the duty Shift Manager as the case may be has signed the "Released By" section of the Clearance Order original. This signature indicates that the work is complete or cancelled and that tag removal will not result in an unsafe situation.
NOTE: If the person the clearance is issued to cannot be contacted for a clearance release, then the worker's supervisor or Department Manager can initiate the release after satisfying himself that equipment and personnel safety will not be jeopardize. As a last resort, the Shift Manager has the authority to initiate a clearance release.
PRDCKDURK NUMSKR RKVISIQN NUMBKR PADK NUMKKR 1.3.8 1.3.8-5 of 17 WP.444 R1 {4&3)
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- l. Upon assuring that the clearance order has been properly released and that no safety hazards exists, the Shift Manager will authorize release of the Clearance Order by the fallowing procedure.
NOTE: Clearance orders existing under a BPA switching clear-ance do not necessitate tags being removed by Supply System personnel in accordance with PPM 1.3.26.
- a. Indicating "Redundant Verification" is required when the component is safety related or fire protection.
- b. Signing the "Authorized By" section of the Clearance Order'nd entering the "Oate" and "Time" in the column p avided.
I c ~ Having the tags removed and the equipment returned to service. A column is provided on the Clearance Order to allow the Shift Manager to specify the component status following tag removal. This column ("Return Status" )
should be used when the Shift Manager determines that a specific component status is needed.
- 2. Pn assicped operator(s) will proceed as follows:
NOTE: The following Sections (1.3.8.3.c.2.a through e) do not apply to clearance orders existing under a BPA switching clearance.
- a. Remove the tags.
- b. Return the equipment to service as required.
- c. Initial the space provided adjacent to "Return Status" column.
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- d. When all tags are removed and accounted for, sion the "Tag(s) Accounted For By" section of the Clearance Order original and destroy the tags.
- e. When redundant verification is necessarya second know-ledgeable individual will verify the return status re-quirement and initial in the space provided in the "Qual" initial column.
D. Multi le Use of Clearance Order Where more than one authorized work task is preplanned for a sche-duled outage of a major piece of equipment or system, more than one clearance may be granted under a Clearance Order. The implementa-tion of this provision requires the same procedures as described above except that the requests will normally be made in advance.
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I Tags cannot be reItaved or equipment returned to service until all "clearances have been released by the Shift Manager signing "Clearance Order Release Authorized By" section.
Clearance for additional work (see Section "E") may be granted under an existing Clearance Order at the discretion of the Shift Manager.
When granting an additional work clearance under an existing Clear-ance Order, the purpose and the equipment description will be re-corded in the "Remarks" section and the appropriate information and sicpatures recorded in the "Remarks" section and the appropriate information and signatures recorded in the "Clearance Issue" and "Clearance Release" sections.
E. Clearance Order Chan e A change of clearance status will be utilized to allow: 1) addi-tional work under an existing Clearance Order with additions to the "Tag Location" section, 2) removal of tags to allow return to service of a component or portion of a system, and 3) operation which the Shift Manager deems warrant a Clearance Order change.
Due to the complicated nature of the approvals and reviews involved in ensuring safe work conditions, under no condition will a Clear-ance Order be changed that already has more than one work document associated with it.
A change of clearance-status is made only after the Shift Manager has reviewed the proposed change and determined that the change does not compromise the initial clearance order. If the proposed change represents a complicated shuffling of tags and/or an unwarranted opportunity for errors during the tagging process, the Shift Manager-should issue a new clearance and a new set of tags. In addition to the Shift Manager's approval, the details for the proposed change shall be reviewed with an approved by the authorized individual responsible for associated Clearance Order. His initials adjacent to the changes will signify his approval.
A Clearance Order change shall be implemented as follows:
- 1. The addition and/or deletion of tags will be recorded in the "Tag Location" section and the changes initialed by the Shift Manager.
- 2. A description of the change and the reason for it will be recorded in the "Remarks" section and the entry initialed by the Shift Manager and the authorized individual responsible for the associated Clearance Order.
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- 3. If the.chanae allows additional work under the existing Clear-ance Order, the appropriate blank in the "Clearance Issue" and "Clearance Release" section will also be completed as per Section 0 above.
Tem rar Liftin of Taas When there would be a great advantage to performing a brief checkout or test without releasing a Clearance Order, the Shift Manager and the authorized individual holding the Clearance Order can agree to temporarily lift some of the tags. Only checkout or test that should take a short time (less than one hour) are allowed. They may not run through a shift change. If the Clearance Order is a multi-le Clearance Order tern rar liftin of the ta s is not ermitted.
The temporary lifting may be terminated at any time by either of the agreeing parties.
The sequence is as follows:
- 1. Agreement between the Shift Manager and the authorized indivi-dual holding the Clearance Order as to need and limits of the test and tag lifting.
- 2. An operator will be assicped to temporarily lift the specified tags and perform the test as directed. The assigned operator must stay in the area of the equipment or where the tags were lifted while the tags are removed. He is to have no other or interference. 'uties
- 3. After the test, the assicped operator will insure the com-ponents are returned to their tagged position and the tags, replaced.
1.3.8.4 Attachments A. Attachment I - Red Danger Tag B. Attachment II - Red Danger Tags for Panels C. Attachment III - Yellow Caution Tag D. Attachment IV Yellow Caution Tags for Panels E. Attachment V - Danger Tag Clearance Order F. Attachment VI - Caution Tag Clearance Order G. Attachment VII - Danger Tag Clearance Order Addendum H. Attachment VIII - Caution Tag Clearance Order Addendum Attachment VIIII Clearance Order Flow Path ROCKOURK NUMSKR RKVISION NUMSKR PAQK NUMSKR
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DANGER TAG CLEARANCE ORDER WASH)NG,ON PUBL)C?OPt'ER SUPPLY SYSTEM DA/IGER TAG CLI'%RANCE OR I) ER OAT%I C4uttttSNTISVSTCSt AVAAPSA i~I c,.'
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4 DANGER TAG'CLEARANCE ORDER ADDENDUi~l WASHINGTON PUSLIC POWER SUPPLY SY~ac I OAHGc,R TAG CISAI41i ICF OtI VER Al)DE I tIUil C J,IIO, OASC I
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CLEARANCE ORDER FLOW PATH Clearance Order Issuin Clearance Order Releasin REQUESTER Clearance Order Holder Any permanent Supply System employee When work completed and Clearance or authorized individual. Presents Order to be released informs Control reauest to Control Room. I Room and signs original and yellow co of Clearance Order.
Assi ed 0 erator Shift Mana er Determines clearance requirements and prepares Clearance Order and Determines any additional instruc-taas. tions applicable to the release of the Clearance Order, signs "Release Authorized By" section on original Shift Mana er copy of Clearance Order, returns to Control Room for removal.
Verifies and reviews Clearance Order.
Authorizes equipment to be removed from service and placement of tags Control Room I by sicping "Authorized By." Returns I Clearance Order to Control Room for Assigns Operator(s) to remove tags I han in ta s. usin ellow co as field co . I Control Room Assi ed erator s signs Operator to place Clearance Reviews Clearance Order and any add-Order in effect using pink copy. tional instructions, removes tags Control Room retains original and and initials Clearance Order in yellow copy. Has assicped Operator "Tags Removed" Section. Signs sicp original and yellow copy for original "Accounted For By" Section "Ta s Hun B ". Destro ink co when all tags are removed, accounted for and destroyed. Informs the Control Room that Clearance Order Clearance Order Holder is removed.
R view the Clearance Order and tags, and signs "Accepted By" column of Control Room Oriainal .
Verifies all signatures completed on original, destroys yellow copy, Control Room informs Shift Manager and files in the inactive section.
Files original and yellow copy in Active Clearance Order Section.
Informs Shift Manager that Clearance I Order is in effect.
RQCEDURK NUMBER REVISION NUMBER PAOK NUMBER 1.3.8 1.3.8-17 of 17 WP SSS RI (0%3)
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