ML19256B688
| ML19256B688 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 06/28/1978 |
| From: | Conrad R, Finfrock I, Herbein J GENERAL PUBLIC UTILITIES CORP. |
| To: | |
| Shared Package | |
| ML19256B685 | List: |
| References | |
| TASK-TF, TASK-TMR G-712-8-2, PROC-780628, NUDOCS 7908230257 | |
| Download: ML19256B688 (8) | |
Text
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1.0 Aeolicab111tv These guide lines and standards for Operating Procedures apply :o all g
p GPU generating units within the CPU system and to jointly owned units in which one of the GPU companies is a joint owner and a GPU ccmpany is the U
operator.
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2.0 References 3
T Boo:-Allen & Hamilton Management Audit Report dated June, 1977.
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ANSI-N18.7-1972 American National Standard Administrative Controls p
for Nuclear Power Plants.
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I 3.0 Prerecuisites - None C
Y 4.0 Precautions - None 5.0 Guide Lines and Standards 51 Procedure Reauirecents All GPU Steam Generating Units shall have written procedures for the following:
a.
Unit S tart-Up b.
Unit Power Operation c.
Unit Shut-Down d.
Unic Alarm Response Procedures e.
E=crgency Procedures These procedures will be prepared by personnel familiar with the operation of the Generating Units at that station. They vill be reviewed by the station Operations Supervisor, Operating Superintendent or Operations Engineer and approved by the station Sup.erintendent.
Each station vill designate an individual by name or title to be respon-sible for assuring that procedures are updated as necessary, due to plant or unit changes, =odifications or operating practices. This individual shall assure that each procedure will be reviewed at least once every other year to assure its applicability.
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6 28 78 The procedures will be written to a level of detail such that an operator at the job level just below the operator who would normally be expected to perform the operation can, by following the proceeure, and with general guidance, satisfactorily perform the functions indicated in the procedure.
Requirements for written procedures for generating facilities other than steam units shall be established by the Vice President-a Generation responsible for the operation of the unit, and shall be generally consistent with this docu=ent.
5.2 Plant, Unit, Svstem or Ecutement oeerating Procedures 5.2.1 Scoce Each procedure shall be sufficiently detailed for a qualified individual to perform the required function without direct supervision but need not provide a complete description of the system or plant process. Skills nor= ally possessed by qualifying operators may not require detailed step-by-step delineation in the written procedures.
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As a minimum, proco.ures shall be written for unit start-up, shut-down and normal operation. Where the procedure for start-up or shut-down of a system involved in a unit start-up or shut-down is complex, an individual system start-up and/or shut-down procedure may be required.
5.2.2 Ooerating Procedure Format 5.2.2.1 Title.
Each procedure shall contain a title descriptive of the operation or system or unit to which it applies.
5.2.2.2 Aeolicabilit'..
The purpose for whicS -he procedure is intended shall be clearly stated; for example, for use during boiler start-up.
5 2.2.3 References. References shall be included in procedures as applicable. References should be identified within the body of procedures when the sequence of steps requires other tasks to be performed prior to or concurrent with a particular step within that task.
5.2.2.4 Prerenuisities.
Each procedure shall identify those independent actions or procedures tha t shall be completed and plant conditions that shall exist prior to ita use.
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6 23 78 5.2 2.5 Precautions. Precautions shall be established to alert the individual performing the task to those situations in which i=portant measures should be taken early or where extreme or unusual care should be exercised to protect personnel or equipment. It may be convenient to specify precautions separately.
Cautionary notes applicable to specific steps in the procedure should be included in the main body of the procedure and should be identified as such.
~5.2.2.6 L1=itations and Setooints. Limitations on parameters being controlled and setpoints of controllers shall be specified where appropriate.
5.2.2.7 Main Bodv. The =ain body of a procedure should contain step-by-step instructions in the degree of detail necessary for performing a required function or task. Limitations on paramete>1 being controlled and appropriate
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corrective ceasures to return the para-
=eter to the normal control band should be specified; for example, a procedure should say, " Manually adjust feedwater flow by varying Boiler Feed Pump speed with the B.F.P. governor control to maintain a drum level between -2 and +3 inches on the narrow range drum level indicator and strip chart recorder. Verify drum level by calling up the wide range (3L000) and narrow range (BLOO1, BLOO2 & BLOO3) Drum levels on the co=puter."
Check-Off Lists. These lists eny be included as part of the procedure, or.may be appended to the procedure. Procedures involving the manipulation of a significant nu=ber of valves or pieces of equipment or operations which require the coordinated. actions of more than one person..or which are long, complex or subject to interruption in sequence will raquire check-off lists to assure that items are not overlooked.
In addition, check-off lists are necessary for procedures which take more than one shift to complete.
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Note:
If the presently used procedures for a unit over 10 years old contain all of the above information but are not in
- ne exact format indicated. they shall be considerec as satta(adtory for use.
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5.2.3 Start-Uo Procedures Start-up procedures shall be provided that include starting the boiler or steam generator from cold or hot conditions and establishing power to the system with the generator synchronized to the line. Recovery of boiler trips shall be in accordance with a start-up procedure.
Start-up procedures shall include identification job, prerequisite status of equipment, controls, alarms, and plant status.
5.2.4 Shut-Down Procedures Shut-down procedures shall be provided to guide operations during and following controlled shut-down or boiler trips and shall include instructions for establish-ing or maintaining desired shut-down conditions. Shut-down procedures shall include ideatification of equipment, controls or alarms status which shall cause initiation of shut-down.
5.2.5 Power Ooeration and Load " hanging Procedures
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Procedures for steady-state power operation and load changing shall be provided. They shall designate the normal limits of pressure, temperature, flow, level or other conditions or states (suri as che=1 cal concentration) within which parameters are to be caintained.
5.3 Plant / Unit /Svstes/Ecuin=ent Alars Resoonse Procedures Alars Response Procedures shall be included with system or equipment operating procedures or as a separate procedure.
These procedures shall delineate the alarm title as indicated on
- ne alars window, the alars panel location, the alars setpoint and instrumentation which initiates the alars, along with a description of the operator actions required when the alars is energized.
5.4 E=ereency Procedures Procedures shall be provided to guide operations during potantial emergencies. They shall be written so that a trained operator will know in advance the expected course of events that will identify an emergency and the i= mediate action he should take.
Since emergencies may not follow anticipated patterns,
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the procedures should provide sufficient flexibility to accoc=odate L-variations.
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5.4 1 E=erzenev Procedure Format and Content 5.4 1.1 Title. The title should be descriptive of the emergency for which the procedure is provided.
5.4.1.2 S 'r=o t oms. Symptoms should be included to aid in the identification of the emergency. They should include expected alarms, operating conditions and probable magnitudes of para =eter changes. If a condition is peculiar only to the emergency under consideration, it should be listed first.
5.4 1.3 Automatic Actions. The automatic actions that will probably occur as a result of the emergency should be listed first.
5.4 1.4 I==ediate Onerator Actions. These steps should specify i==ediate actions for operation of controls or confir=ation of at omatic actions 7
that are required to stop the degradation of
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conditions and mitigate their consequences; for example, verification of auccmatic actions.
This step ia based on equipment operating as designed, and the sequence of events following an expected course. Since variations from the expected course may occur, operators should be prepared to manipulate controls as necessary to cope with the problem. However, the procedure should caution the operator not to place systems in " manual" unless.the operation in " automatic" is erratic and should require him to make frequent checks for operation of systems placed in =anual control. The procedure should addition-ally emphasi:e the necessity for the operator to obtain corroborative intelligence to the degree possible, and suggest methods of doing so.
As an example, when increasing drum level by increasing 3 oiler Feed Pu=p speed, "0baerve the increased speed, flow and discharge pressure of the pump as well as the drum level indication increasing. Then verify the drum level by comparing the indicator / recorder level with computer points 3L001, BLOO2 and BLOO3."
5.4.1.5 Subsecuent Ocerator Action. Steps should be included to return the plant or unit to a normal condition of operation or shut-down.
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6 28 78 5.4 1.6 E=ervencv Procedures Recuired. E=ergency procedures shall be prepared for abnormal and unusual events wuich one can expect er hap-pen at the station over the operating life of the plant. Such events should include the following, if applicable, but not be limited to these e.euts:
turbine / generator trip boiler / steam generator trip loss of boiler fire loss of generator field loss of condenser vacuum heater leaks boiler tube leaks ~
superheater tube leaks water wall tube leaks flood fire hurricane civil disturbance various auxiliary power failures
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Note:
If the presently used procedures for a unit over 10 years old contain all of the above information but are not in the exact format indicated, they shall be considered as satis-factory for use.
6.0 Procedure Cocoliance Procedures should be written in such a manner that they require the operator to follow the procedures where necessary, but provide for flextbility whenever it is desirable or necessary. However, it should be remembered that for efficient plant operation it is necessary to operate plant equipment in the cost efficient sanner and not in different ways by each shift. Also, where procedures require core than one shift to complete, it is necessary that steps be ec=pleted in the indicated sequence so that it will be clear to the on-cosing shift j us t what the plant status is. The following definitions shall be used to indicate the degree of compliance with the written procedure.
Shall indicates that the action sust be taken as indicated by the procedure.
Should indicates that it is the best practice to be followed
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but that some deviation can be tolerated.
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6 23 78 7.0 Level of Meed All steam generating units with expected lives greater than five (5) years shall have written procedures for the basic categories indicated in section 5.1 and even those units with less than five (5) years of life remaining should have basic written procedures. Steam units placed in service af ter 1965 shall have, in addition to the basic procedures, operating procedures for individual plant systems, and for pieces of equipment such as turbine driven pu=ps or other
- very complex pieces of equipment.
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3.0 OperstoIP iciencv St a ds N
A catrix of procedures versus station job titles shall be established showing which procedures or parts of procedures each job classification is required to be able to perform. From this matrix a qualification card *1r each job title shall be prepared.
This qualification card sha_. liat all of the procedures that the job classification should be able to perf orm and provide-space s'
'-for_an employee's name, the date the employee was_assigne'd to the f
qualifilag' position,-tha data.the-employse' qualified on each procedure and a space for the supervisor who qualified the person on each procedure to sign his name.
Personnel selected for operator jobs shall be required to deconstrate orally, in writing, or physically that they can perform the steps of, or complete, the procedure which they will be, or are, required to perform in the new job classification. Present job holders shall be required to read or to demonstrate their knowledge of the procedures and changes to such procedures.
9.0
- tathod of Trainint The following methods of training can be utili:ed:
1.
Lacture and demonstration wnere the procedure is utill:ed in conjunction with unit operations.
2.
Lecture and demonstration on a sisulator.
3.
Lecture and walk-through demonstration at the pertinent controls and equip =ent locations.
4.
Lecture and talk-through in a classroom or control roos.
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5.
Self-study and demonstration.
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6 28 78 The preceding training cethods are listed in the order of their effectiveness. The =ost effective method available and practicable shall be utilized. All new and older complex generating units should have access to a simulator for training operations personnel on plant operations and procedures.
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