1. Organizational measures to ensure safety when working on thermal and mechanical equipment

(1) Work ticket system;

(2) Work permit system;

(3) Work supervision system;

(4) Work interruption, trial operation and termination system;

(5) Hot work ticket system;

(6) Operation ticket system.

2. When working on thermal and mechanical equipment, you should fill in a work ticket, work task sheet or accident emergency repair sheet. There are four ways:

(1) Fill in Work ticket with thermal machinery in power plant.

(2) Fill in the power plant thermal control work ticket.

(3) Fill in the power plant work task sheet.

(4) Fill in the power plant accident emergency repair form.

3. The tasks for filling in the thermal machinery work ticket are:

(1) If the production equipment or system needs to be stopped or taken out of standby, the operating personnel on duty must disconnect the power or Air source, isolate the thermal system that is connected with the operating equipment, perform any safety measures such as pressure relief, ventilation, purging, locking, hanging signs, and installing barriers or fences on the equipment and systems to be inspected. (The thermal system referred to in this regulation includes steam, water, hydrogen, oil, pulverized coal, gas, gas, smoke, wind, compressed air, and power generation production equipment systems such as coal transportation, desulfurization, denitrification, dust removal, ash washing, and ash transportation. )

(2) Work that requires personnel on duty to take measures to ensure the safety of personal and equipment operations in terms of operating methods and operational adjustments.

4. The work of filling in the thermal control work ticket is:

(1) Configuration, parameter modification and code transmission (data download) at the engineering station, host computer or programmer ) and other work.

(2) Computer control systems, independent monitoring and control systems and their associated equipment (including operation display devices, computer control devices, interfaces, cables, power supplies, and local execution devices) need to be shut down or partially shut down. , measuring devices, sensing devices and other equipment) maintenance and partial maintenance work.

(3) Maintenance and calibration of measuring instruments on negative pressure systems, oil systems, and equipment with temperatures exceeding 50°C or pressure equipment.

(4) Online thermal test work.

5. The tasks to fill in the work task list are:

Engaged in construction, erection and dismantling of scaffolding, equipment insulation, welding, painting, greening or other civilized production and daily activities in the production area For maintenance and other work, the operation duty personnel do not need to take the safety measures mentioned in 2.2.2.

6. The work to fill in the accident emergency repair form is:

Accident emergency repair work (referring to the production main and auxiliary equipment that have failed and are forced to stop operation in an emergency and need to be restored immediately Emergency repair and troubleshooting work), you do not need to fill in the work ticket, but you should fill in the accident emergency repair form.

7. When hot work is carried out in the fire-prohibited area of ??the production site, the hot work ticket system should be implemented at the same time.

8. Filling out and issuing work tickets (including work task sheets).

(1) The work ticket should be filled in and signed with a black or blue pen or ballpoint pen in duplicate. The content should be correct, the filling should be clear, and no alteration should be allowed. If there are any errors or omissions that need to be corrected, standard symbols should be used and the handwriting should be clear. Keywords and words are not allowed to be modified. Keywords and words are determined by the enterprise based on actual conditions.

(2) Computer-generated or printed work tickets should use a unified ticket format, be verified by the issuer of the work ticket, and must be signed manually or electronically before execution.

One copy of the work ticket should be kept at the work place and collected by the person in charge of the work; the other copy should be collected by the work permit holder and handed over according to the value. The work permit holder shall record the work ticket number, work tasks, permit and end time in the register.

(3) In a work ticket, the issuer of the work ticket, the person in charge of the work and the work permit holder shall not serve as concurrently with each other.

(4) The work ticket should be filled in by the person in charge of the work or by the issuer of the work ticket.

(5) The work ticket is issued by the equipment operation and management unit, or by the repair, testing and infrastructure unit that has been reviewed and approved by the equipment operation and management unit. The list of work ticket issuers and work leaders of the repair, testing and infrastructure units should be submitted to the relevant equipment operation and management units for filing in advance. When the issuer of the work ticket deems it necessary, he or she may use a general work ticket or a sub-work ticket and issue them at the same time. The filling and licensing of general work tickets and sub-work tickets and other relevant regulations shall be implemented after approval by the leader in charge of production (chief engineer) of the unit.

(6) In contracting and subcontracting projects, work tickets can be "double issued". When issuing a work ticket, the work ticket issuers of both parties shall sign on the work ticket respectively, and each shall bear the corresponding safety responsibilities of the work ticket issuer in this regulation.

(7) When issuing a work ticket, the issuer of the work ticket should clearly explain the relevant contents of the work ticket to the person in charge of the work.

9. Use of work tickets.

(1) A work leader can only issue one work ticket, and the work location listed on the work ticket is limited to the scope of the safety measures on the work ticket. All safety measures in the work ticket should be completed at once before starting work.

One work ticket is allowed to be used for equipment maintenance work of the same type on the same equipment system in sequence.

(2) When multiple teams are working simultaneously within the same equipment system and within the same safety measures, a work ticket can be issued to the general person in charge, but the main work content must be filled in in detail. In the column of working class members, only the person in charge of each class should be filled in, and it is not necessary to fill in the list of all staff members.

(3) When the same type of maintenance work is performed on different equipment systems in different locations in sequence, if all safety measures can be completed at one time before the work starts, one work ticket can be used.

(4) Before the end of the maintenance work, if the following situations are encountered, the work ticket should be re-issued and the work permit procedures should be performed again:

1) Some maintenance equipment is added to the operation time;

2) The isolation method between maintenance and operating equipment must be changed or safety measures need to be changed or added;

3) The maintenance work cannot be completed after being postponed once and needs to be continued.

(5) When the work ticket is damaged and cannot be used anymore, a new work ticket should be replaced.

(6) The work ticket should generally be sent to the person in charge of the operation duty in advance one day before the start of work, and the temporary work permit should be given to the person in charge of the duty on the day of work. Work orders may be given to the work permittee on the day the work is performed.

(7) Before permitting to start work, the person in charge of duty shall arrange for on-duty personnel to implement the safety measures listed in the work ticket. Important measures (determined by the power plant) should be supervised and implemented by the person in charge of the shift or the main work types such as the driver, stoker, and central control supervisor. If power outage measures need to be carried out by electrical personnel on duty, the "power outage contact sheet" should be used.

(8) When it is necessary to change the members of the work team, the work should be approved by the person in charge of the work, and the new staff can only start working after a safety briefing.

(9) If it is necessary to change the person in charge of the work, the original issuer of the work ticket should agree and notify the work permit holder, and the work permit holder will record the change on the work ticket. The work leader of non-consecutive work is allowed to change once. The original and current work leaders should hand over work tasks and safety measures.

(10) When adding work tasks within the scope of the safety measures of the original work ticket, the person in charge of the work should obtain the consent of the issuer of the work ticket and the work permit holder. If you need to change or add safety measures, you should fill in a new work ticket and complete the work permit procedures again.

(11) When the person in charge of the work is changed or the work tasks are added, if the issuer of the work ticket is unable to handle the matter in person, he should be contacted by phone and noted on the work ticket registration book and work ticket.

10. Validity period and extension of work tickets and work task orders:

(1) The validity period of work tickets and work task orders is limited to the approved maintenance period.

(2) Work tickets and work task orders need to be extended, and the person in charge of the work should submit an application to the person in charge of the operation duty before the approved maintenance period (for maintenance equipment under dispatch jurisdiction and permission, It should also be approved by the duty dispatcher), and the person in charge of the operation duty will notify the work permit holder to handle it. Work tickets and work tasks can only be extended once.

11. Basic conditions for the personnel listed on the work ticket:

(1) The issuer of the work ticket should be familiar with the technical level of the personnel, equipment conditions and this procedure, and have relevant work experience Experienced production leaders, technical personnel or personnel approved by the production leader of the unit. The list of persons issuing work tickets should be published in writing.

(2) The person in charge of the work should be a person with relevant work experience, familiar with the equipment situation, work ability of the work team and this procedure, and approved in writing by the production leader of the workshop (company).

(3) When the centralized or collaborative maintenance unit within the company system needs to go to the equipment operation management unit to serve as the issuer of work tickets and the person in charge of the work, in addition to knowing the equipment status of the maintenance equipment (such as structure, defect content etc.) and systems related to maintenance equipment, they should also hold written certification that they have passed the examination of their own unit and are approved to serve as the issuer of work tickets and the person in charge of the work. Work ticket issuers and work leaders in non-company systems must pass the safety examination of the equipment operation management unit.

(4) The work permit holder should be an operation duty person with certain work experience approved in writing by the production leader of the workshop (company).

(5) The full-time guardian should be a person with relevant work experience and familiar with the equipment and this procedure.

12. Safety responsibilities of the personnel listed on the work ticket:

(1) Issuer of the work ticket

1) Work necessity;

2) Whether the safety measures filled in on the work ticket are correct and complete;

3) Whether the assigned work leader and work shift personnel are appropriate and sufficient.

(2) Work leader (guardian):

1) Organize the work correctly and safely;

2) Responsible for checking whether the safety measures listed on the work ticket are in place Check whether the safety measures taken by the work permit holder are correct and complete and comply with the actual conditions on site, and supplement them if necessary;

3) Inform work team members of dangerous points before work, explain safety measures and technical measures, and Confirm that every member of the work team is aware of this;

4) Strictly implement the safety measures listed in the work ticket;

5) Supervise and supervise the members of the work team to abide by these regulations and use labor correctly Protective equipment and implement on-site safety measures;

6) Whether the members of the work team are in good mental condition and whether the changes are appropriate.

(3) Work permit holder:

1) Responsible for reviewing whether the safety measures listed in the work ticket are correct and complete, and whether they meet the on-site conditions;

2) Whether the safety measures arranged at the work site are complete and supplemented when necessary;

3) Responsible for checking whether the maintenance equipment has the risk of sudden incoming power and inflow of steam, water and flammable, explosive, toxic and harmful media;

4) If you have any questions about the contents listed on the work ticket, you should ask the issuer of the work ticket for details. If necessary, ask for detailed supplements.

(4) Dedicated guardian

1) Clarify the person under supervision and the scope of supervision;

2) Explain the safety measures to the person under supervision and inform the person of the danger before work points and safety precautions;

3) Supervise the warded personnel to comply with this procedure and on-site safety measures, and correct unsafe behaviors in a timely manner.

(5) Work team members:

1) Be familiar with the work content and work process, master safety measures, identify dangerous points in the work, and perform confirmation procedures;

2) Strictly abide by safety regulations, technical regulations and labor disciplines, be responsible for your own actions at work, care about each other's work safety, and supervise the implementation of these regulations and the implementation of on-site safety measures;

3) Correctly use safety equipment and labor protection supplies.

13. Work permit system

(1) Work tickets should be approved by the person on duty.

Work orders that do not require the operation personnel on duty to implement safety measures can be approved by the team leader of the department or the person in charge of the power plant on duty during holidays, but a copy of the work order should be sent to the operation personnel for retention.

(2) After completing the on-site safety measures, the work permit holder should also complete the following permit work before the work team can start working:

1) Hold the ticket and be responsible for the work together People go to the site to re-check the safety measures taken, explain the supplementary safety measures, specify the actual isolation measures for specific equipment, and confirm that the maintenance equipment has indeed been depressurized, cooled down and that no media such as steam, water, oil or gas has flowed in. danger.

2) Indicate to the person in charge which equipment has pressure, high temperature, explosion and other dangerous factors, and explain the precautions during the work process.

3) Confirm and sign on the work ticket with the person in charge of the work.

(3) Neither the person in charge of the work nor the work permit holder may change the safety measures without authorization. If there are special circumstances during the work that require changes, the other party's consent must be obtained in advance while ensuring safety. Changes should be recorded in the duty log in a timely manner, and noted and signed in the remarks column of the work ticket.

15. Work supervision system

(1) After the work ticket approval procedures are completed, the person in charge of the work and the dedicated guardian should explain the work content, personnel division of labor, dangerous parts and After on-site safety measures are taken, dangerous points are notified, and confirmation procedures are performed before the work shift can start working. When working in multiple teams, the general work leader shall give explanations to the heads of each team, and then the team heads will give explanations to the members of their respective work teams. The person in charge of the work and the dedicated guardian should always be on site to carefully monitor the safety of the work team and correct unsafe behaviors in a timely manner.

(2) After confirming that the safety measures are reliable and will not affect personal and equipment safety, the person in charge of the work can participate in the work shift.

(3) The issuer of the work ticket or the person in charge of the work should add a dedicated guardian and determine the persons under guardianship based on the safety conditions of the site, construction scope, work needs and other specific circumstances.

(4) The dedicated guardian shall not do other jobs concurrently. When the dedicated guardian leaves temporarily, the person under supervision should be notified to stop working or leave the work site, and work can be resumed after the dedicated guardian returns.

(5) During the work period, if the person in charge of the work temporarily leaves the work site for any reason, a competent person should be designated as a temporary replacement. Before leaving, the work site should be clearly explained and informed to the members of the work team. The same handover procedures should also be performed when the original person in charge returns to the work site.

If the person in charge of the work leaves the work site for a long time for some reason, the original issuer of the work ticket should change the person in charge of the work. Change procedures and handover matters shall be carried out in accordance with relevant regulations.

(6) For continuous (or consecutive shifts) work, if one work leader cannot be in charge of consecutive shifts, two or three work leaders may be allowed to take over from each other, but this should be done through a work ticket Approved by the issuer and noted on the work ticket. Work tickets should be handed over by shift, and each work leader should do a good job in handing over the work site.

16. Work interruption, trial operation and termination system

(1) When encountering any situation that threatens the safety of staff during work, the person in charge of the work or the dedicated guardian may, according to the situation, Temporary suspension of work.

(2) When work is interrupted, all work shift personnel should be evacuated from the work site, all safety measures should remain in place, and work tickets should still be kept by the person in charge of the work. To continue working after a break, you do not need to obtain a work permit from the person authorized to work.

(3) Before the end of work every day, the site should be cleaned, closed passages should be opened, and work tickets should still be kept by the person in charge of the work. When work resumes the next day, the person in charge of the work should carefully check again to confirm that the safety measures are correct and complete, and hold an on-site station meeting before starting work. Staff members are not allowed to enter the workplace without the guidance of the person in charge of the work or a guardian.

(4) No person is allowed to put the maintenance equipment into operation before completing the work ticket termination procedures.

(5) For work that requires trial operation and quality inspection before delivery, or when maintenance equipment needs to be started during the work, changes in the scope of safety measures for other work teams should be carried out in accordance with the following conditions :

1) The person in charge of the work should evacuate all staff to a safe location before trial operation, and hand over the work tickets held to the work permit holder.

2) When the work permit holder believes that trial operation can be carried out, the safety measures related to the trial operation equipment maintenance work ticket should be removed, and after checking that all staff have withdrawn from the maintenance site, they should confirm that other operations will not be affected. When the team is safe, conduct a trial run.

If the power transmission operation needs to be carried out by electrical personnel on duty, the "power transmission contact sheet" should be used.

3) If the trial operation of the maintenance equipment will affect the changes in the scope of safety measures for other work teams and the safety of other work team members, all work team personnel can only be evacuated to a safe location and the equipment system Only after all work tickets have been collected can the trial run be carried out.

(6) When the work team needs to continue working after the trial run, the following conditions should be followed:

1) The work permittee rearranges safety measures according to the requirements of the work ticket and is responsible for the work together After the person re-completes the work permit procedures, the person in charge of the work can notify the staff to continue the work.

If the measures to disconnect the power supply need to be carried out by electrical personnel on duty, the "power outage contact sheet" should still be used.

2) If the work requires changing the scope of safety measures in the original work ticket, a new work ticket should be reissued.

(7) After all work is completed, the work team should clean and tidy up the site. The person in charge of the work should conduct a thorough inspection first, and then explain the maintenance items, problems discovered, test run results and existing problems to the operation personnel on duty after all staff have evacuated the work site, and communicate with the operation personnel on duty. At the same time, check the condition and status of the equipment, whether there are any leftover objects, whether it is clean, etc., then fill in the end time on the work ticket, and after signatures of both parties, stamp "Completed" to indicate the end of the work.

(8) Resumption operations can only be carried out after all work tickets for the same out-of-service isolation system have been terminated and permission instructions from the person in charge of duty are obtained.

(9) The person in charge of the work should report the completion of the work tasks and existing problems to the issuer of the work ticket, and return the work ticket he holds.

(10) Completed work tickets, task orders, and accident emergency repair orders should be kept for one year.

17. Hot work ticket system

(1) Hot work tickets should be filled in for hot work in key fire prevention parts or places and areas where open flames are prohibited.

(2) Hot work referred to in this regulation refers to welding and cutting operations in fire-prohibited areas and the use of blowtorches, electric drills, grinding wheels, etc. in flammable and explosive places that may produce flames, sparks and Temporary work on hot surfaces.

(3) The first-level fire area refers to the location or place where the fire risk is very high and the consequences of a fire will be serious; the second-level fire area refers to the area other than the first-level fire area. All fire prevention key parts or places and areas where open flames are prohibited.

(4) Hot work tickets shall not replace equipment decommissioning and resumption procedures or maintenance work tickets, work task orders and accident emergency repair orders. The number of the maintenance work ticket, work task list and accident emergency repair order should be indicated on the hot work ticket.

(5) Filling out and issuing the hot work ticket:

1) The hot work ticket should be filled in and issued with a black or blue pen or ballpoint pen, and the content should be correct and The form should be filled in clearly and no alteration should be made at will. If there are any errors or omissions that need to be corrected, standard symbols should be used and the handwriting should be clear.

The hot work ticket is generally made in at least three copies, one is collected by the person in charge of the work, one is collected by the hot work executor, and one is kept in the safety supervision department (referring to the first-level hot work ticket) or hot work department (referring to Level 2 hot work tickets). If the fire work is related to operation, that is, if the operation personnel on duty are required to take fire safety measures such as isolation and flushing of the equipment system, an additional copy should be handed over to the operation personnel for collection.

2) The first-level fire work ticket is issued by the person in charge or the technical person in charge of the fire department applying for it, and is reviewed by the person in charge of the safety supervision department and the fire management department of the unit. The leader in charge of production or the person in charge of the unit Approval shall be obtained from the chief engineer and, if necessary, shall be reported to the local public security and fire department for approval.

The second-level hot work ticket is issued by the squad leader or technician of the team applying for the hot work, reviewed by the unit's safety supervisors and fire fighters, and approved by the person in charge of the fire department or the technical person in charge.

3) After approval, the first-level hot work ticket will be sent to the duty leader by the person in charge of the work. After approval, the second-level hot work ticket will be sent by the work person in charge to the person in charge of the operation duty.

4) The issuer of the hot work ticket shall not concurrently serve as the person in charge of the work. The hot work ticket shall be filled in by the person in charge of the hot work.

The approver of the fire work ticket and the fire protection guardian shall not issue the fire work ticket.

5) When an external unit goes to the production area to start a fire, the hot work ticket shall be issued and approved by the equipment operation and management unit, or "dual issuance" by the external unit and the equipment operation and management unit.

6) The validity period of the hot work ticket:

A first-level hot work ticket should be processed in advance. The first-level hot work ticket is valid for 24 hours, and the second-level hot work ticket is valid for 120 hours.

If the hot work exceeds the validity period, a new hot work ticket should be issued.

(6) Basic conditions for the personnel listed on the hot work ticket:

The issuer of the first and second level hot work tickets should have passed the examination of the unit and been in charge of the unit Approved by the production leader or chief engineer and announced in writing by the relevant department head, technical person in charge or relevant team leader and technician.

The person in charge of fire work should be a person who is qualified as the person in charge of maintenance work and has passed the examination of the unit.

The executor of hot work should have a certificate issued by the relevant department.

(7) Approval personnel and issuers of hot work tickets at all levels:

1) Necessity of the work;

2) Safety of the work;

3) Whether the safety measures filled in on the work ticket are correct and complete.

(8) Person in charge of fire work:

1) Organize fire work safely;

2) Responsible for the safety measures that should be taken during inspection and maintenance Improve;

3) Arrange fire work to relevant personnel, explain fire safety measures and conduct safety education;

4) Always supervise on-site fire work;

5) Responsible for handling the start and end of hot work tickets;

6) When hot work is interrupted and ended, check that there is no residual fire on site.

(9) Operation licensee:

1) Whether the safety measures listed in the work ticket are correct and complete, and whether they meet the site conditions;

2) Hot equipment Whether it is indeed isolated from the operating equipment;

3) Explain to the person in charge on-site whether the safety measures taken during the operation are complete.

(10) Fire Guardian:

1) Responsible for equipping necessary and sufficient firefighting facilities at the fire site;

2) Responsible for inspecting on-site fire safety measures Complete and correct;

3) Measuring or appointing a designated person to measure the flammable vapor content or dust concentration of flammable gases and flammable liquids at the fire site (on-site) meets safety requirements;

4 ) Always monitor the dynamics of hot work on site, and promptly put out fires when fire occurs;

5) When hot work is interrupted or terminated, check that there is no residual fire on site.

(11) Fire executor;

1) Before starting a fire, a hot work ticket that has been approved and allowed to be used should be received;

2 ) Take safety measures according to the fire safety requirements stipulated in this type of work;

3) Comprehensively understand the tasks and requirements of fire work, and perform fire work within the prescribed scope;

4 ) When hot work is interrupted or terminated, clean up and check that there is no residual fire on site.

(12) Safety and fire prevention requirements for hot work:

1) Components that can be removed, such as oil pipes, valves, etc., should be removed and moved to a safe place.

2) When a non-flammable method can be used instead and the same effect can be achieved, try to use an alternative method.

3) Try to reduce the time and scope of fire to a minimum.

4) All production and storage devices such as containers, equipment, pipelines, etc. that contain or have contained flammable and explosive chemical hazardous materials should be completely isolated from the production system before hot work, and Carry out cleaning and replacement, and only after passing the analysis can you start hot work.

5) When hot work is carried out at high altitude, if there are combustibles, holes, wells, ditches, etc. on the ground below, check and analyze them, and take measures to prevent sparks from splashing and causing fires and explosions.

6) When performing hot work on the ground and there are combustible materials around, fire prevention measures should be taken. If there are wells, ditches, water seals, etc. near the fire point, they should be inspected and analyzed, and corresponding safety and fire prevention measures should be taken according to the specific conditions of the site.

7) Fire operations should be supervised by dedicated personnel. Before fire operations, flammable items in and around the fire site should be removed, or other effective safety and fire prevention measures should be taken, and sufficient and suitable fire-fighting equipment should be equipped.

8) The ventilation and exhaust at the hot work site should be good to ensure that leaked gas can be drained smoothly.

9) After the hot work is interrupted or terminated, the site should be cleaned up and no residual fire can be left before leaving.

(13) Fire is strictly prohibited in the following situations:

1) Areas where oil ships and oil trucks are parked;

2) Pressure vessels or pipelines before the pressure is relieved ;

3) Containers storing flammable and explosive items before they are cleaned;

4) Open-air operations with wind speeds above level 5;

5) Spray painting site;

6) In case of abnormal fire hazard, the cause has not been identified and eliminated.

(14) On-site monitoring of fires:

1) Before the first fire, the approvers at all levels (power plants, The person in charge of the power supply company may not be present at the scene) and the issuer of the hot work ticket should go to the scene to check whether the fire safety measures are correct and complete, determine whether the flammable vapor content of flammable gases and flammable liquids, and whether the fire dust concentration is qualified, and conduct an open flame test under supervision , start the fire only after there is no problem.

2) When there is a first-level fire, the person in charge of the fire department, the fire technical person in charge, and the fire fighters should always monitor the scene.

3) When a second-level fire occurs, the fire department should designate personnel and monitor the scene with firefighters or designated volunteer firefighters at all times.

4) Fire safety measures for primary and secondary fire work should be re-checked before starting the next day, and the flammable vapor content or dust concentration of flammable gases and flammable liquids should be measured. The work can only be restarted after passing the test. fire.

5) During the first-level fire work, the combustible vapor content or dust concentration of flammable gases and flammable liquids on site should be measured every 2 to 4 hours to see if it is qualified. When the temperature is high, the fire should be stopped immediately, and the fire should not be restarted until the cause is identified or the danger is eliminated.

(15) After the fire work is completed, the fire executor, fire guardian, fire work leader and operation permitter should check whether there is any residual fire on site and whether it is clean, etc. After confirming that there are no problems, the hot work end time will be filled in on the hot work ticket. After signatures from all parties, a "completed" seal will be stamped, and the hot work will be completed.

(16) Completed hot work tickets should be kept for one year.

18. Operation ticket system

(1) Equipment operation is divided into two types: supervised operation and single-person operation.

(2) Monitoring operation: refers to two people performing the same operation, and one of them who is more familiar with the equipment supervises. Particularly important and complex heating system switching and isolation operations are operated by skilled operation personnel on duty and supervised by the person in charge of operation duty.

(3) Single-person operation: an operation completed by one person. Equipment, projects and operation personnel operated by a single person must be approved by the equipment operation management unit, and the personnel must pass a special assessment and be announced in writing.

(4) Operation tickets should be filled in for monitoring operations. Single-person operation can be performed in accordance with on-site procedures without using an operation ticket, or using an approved standard operation ticket.

(5) The operation ticket is filled in by the operator, reviewed by the guardian, and executed after review and approval by the person in charge on duty or other personnel approved by the unit.

(6) Safety responsibilities of the personnel listed on the operation ticket:

1) The person issuing the operation order shall be responsible for the correctness and completeness of the issued order.

2) The guardian and operator shall be responsible for the correctness of executing the operation instructions, and the guardian shall bear the main responsibility. 3) For operations without a supervisor, the operator is responsible for the correctness of the operation.

(7) The operation ticket should be filled in item by item with a black or blue pen or ballpoint pen. The operation ticket issued by computer should be consistent with the handwritten format. The face of the operation ticket should be clear and tidy and should not be arbitrarily altered.

(8) Each operation ticket can only fill in one operation task, and the operation task should fill in the dual name of the equipment (name and number).

“An operation task” refers to the entire process of a series of interrelated and sequential operations performed according to the same operation instruction and for the same operation purpose.

(9) Only one operation ticket can be executed for each operation.

(10) Operation tickets should be used in the following situations:

1) Start and stop operations of large thermal engines that are complex and the operating procedures cannot be reversed;

2) Operations that will cause heavy losses once the operation is wrong;

3) Operations that require switching the system operating mode and isolating the system for maintenance operations.

The equipment operation management unit can formulate a list of operation items that require the execution of operation tickets based on the actual situation, and prepare typical operation tickets (cards).

(11) The following items should be filled in the operation ticket:

1) Valves of steam (gas), water, oil and other thermal systems that should be closed or opened;

2) The pressure relief valve (gate) door that should be opened;

3) The valve (gate) door that should be locked according to this regulation;

4) Requirements Other measures taken by the on-duty personnel in operating methods and operational adjustments.

(12) The operation ticket should be filled in using standard terminology and the dual name of the equipment.

(13) Basic conditions for operation:

1) Have a system diagram that is consistent with the system of the field equipment (including various electronic system wiring diagrams).

2) The operating equipment has obvious signs, including: name, number, instructions for rotation direction and switching position, as well as color codes and flow directions for distinguishing steam, water, oil and other pipelines.

3) Have officially issued operating instructions and use operation tickets that have been reviewed and qualified in advance.

4) Have unified and standardized scheduling terminology and operation terminology.

5) Have suitable operating tools, safety equipment and facilities.

6) Mechanical locks should be installed in the following three situations:

① Pressure relief valve;

② Pressure can be supplied once operated and endanger personal or Isolation valve (gate) door for equipment safety;

③ During equipment maintenance, the operating handle of the knife gate on each incoming side of the system and the door of the electric operating knife gate mechanism box.

Mechanical locks require one key to open each lock, and the keys must be numbered and properly kept.

(14) Basic requirements for operation

1) When performing monitoring operations, relevant operating systems such as issuing orders, repeating, monitoring, reporting, and recording should be followed.

2) Before operation, the actual operation mode should be checked, the system diagram should be checked, and the operation tasks and operation purposes should be clarified. If necessary, the guardian or person in charge on duty should be asked to confirm that they are correct.

3) The guardian and operator check whether the filled-in operation items are correct, sign their names respectively, and then send them to the approver for signature and approval. When the conditions for starting operation are met, the person issuing the order formally issues the operating instructions to the guardian and operator, and the person receiving the order shall recite them accurately.

4) After receiving the operating order from the dispatcher, the guardian and operator should bring the necessary operating tools and safety equipment. After arriving at the scene, they should carefully check the names and numbers of the operating equipment and related auxiliary equipment. and actual status.

Operators and guardians should conscientiously implement the guardianship review system during operation, and operate item by item in the order in which the operation ticket is filled out. After each operation is completed, a "√" mark should be made after checking that it is correct. Important items (such as ignition, flushing, etc.) Turn, start equipment, etc.) to record the operating time. After all operations are completed, conduct a review and report the completion of the operation to the sender.

5) When operating under supervision, the operator shall not perform any operation without the consent of the guardian during the operation.

6) When any doubt occurs during operation, the operation should be stopped immediately and reported to the dispatcher. The operation can only be continued after a clear reply from the dispatcher. Guardians and operators are not allowed to modify the operation tickets on their own.

7) If the operation is interrupted due to equipment defects or other reasons during the operation, the operation should be continued after the defect has been dealt with. If the defect cannot be dealt with temporarily and has no impact on the safety of the following operations, an order shall be issued. The operation can only be continued after the person agrees. For unoperated items, the reasons should be noted in the remarks column. If the operation is interrupted for any reason, before resuming the operation, the operator should re-check to confirm that the equipment being operated and the operating procedures are correct.

8) Climbing operations are not allowed during single-person operation.

9) The shutdown and power supply operation items of thermal mechanical equipment should be filled in the heat engine operation ticket. Heat engine operators who are not qualified to operate electrical equipment should use the stop and power supply contact sheet.

10) In the event of a personal injury accident, in order to rescue the injured person, the operation ticket does not need to be used.

(15) Operation tickets should be numbered consecutively in advance. Computer-generated operation tickets should be numbered consecutively before they are officially issued. Operation tickets should be used in the order of numbering. A voided operation ticket should be marked with the word "voided", an unexecuted operation ticket should be marked with the word "not executed", and a completed operation ticket should be marked with the word "executed". Operation tickets should be kept for one year.