Thursday, June 2, 2022

Notice of China Railway Corporation on Strengthening and Improving the Maintenance and Management of Public Works General Speed ​​Lines

 Notice of China Railway Corporation on Strengthening and Improving the Maintenance and Management of Public Works General Speed ​​Lines

Railway General Transport [2013] No. 60 (*Note:This is translated using google translate for reference)


In order to further adapt to the development of railway public works technology and equipment, strengthen and improve public works general speed lines

On the basis of summarizing the innovation experience of the whole road maintenance management, the China Railway General Administration

The company puts forward the following opinions on the maintenance and management of the general-speed line of public works in the next step. All units are requested to combine

In fact, do a good job of implementing it.

1. General ideas, goals and basic principles

(1) General idea

Taking the opportunity to implement the "Administrative Measures for Construction Safety of Business Lines", we will further promote the maintenance of public works.

Maintenance, maintenance and repair are separated, and professional and mechanized repairs are vigorously promoted. Further optimize equipment repair

Process repair system, promote equipment level management, and strive to extend equipment repair cycle. Repair around the skylight,

rationally adjust the layout of productivity, optimize the organization mode of maintenance operations, actively carry out centralized repairs, and fully

Make good use of production resources such as skylights, manpower and machinery to vigorously improve work efficiency and work quality.

(2) Work objectives and promotion plans

1. Maintenance operations are safe, orderly and controllable. Implement the "Railway Business Line Construction Safety Management Office"

Act, fully implement sunroof repair, strengthen the control of the maintenance operation process, and vigorously improve the utilization efficiency of sunroofs

efficiency and work efficiency to ensure the safety of construction work.

2. The equipment repair is scientific, reasonable, economical and effective. Establish equipment quality status evaluation system,

Reasonably determine the line management level and equipment repair level, implement single-item repair of equipment, and adopt periodic repair

Combined with state repair, optimize the equipment repair cycle and further improve the repair process.

3. The level of maintenance management is further improved. Focusing on strengthening workshop management capabilities,

Equipment inspection at all levels with clear responsibilities, reasonable layout, well-equipped, high technical level, and strong operating ability

The organization of inspection, maintenance and repair, improve the operation quality acceptance, evaluation and assessment system, and vigorously improve

Maintenance work efficiency and work quality, so that the equipment repair cycle has been gradually extended.

Take the relevant railway bureaus of the six major trunk lines as the first pilot units, and complete the relevant preparations before the end of June

The work will be started in the second half of the year and will be perfected by the end of the year. Other railway bureaus can be compared to the main railway bureaus in the bureau

Trunk trial. As of June 2014, the main trunk lines of the whole road have been fully implemented.

(3) Basic principles

1. Adhere to the principle of actively adapting to the skylight. Skylight repair is not only to improve the order and efficiency of railway transportation

It is also the need to ensure the maintenance quality and safety of public works equipment. It is produced by public works maintenance.

Direction of development. It is necessary to take the implementation of the new "Business Line Construction Safety Management Measures" as an opportunity to take the initiative to adapt to the

In response to skylight repair requirements, change the maintenance management concept, optimize the maintenance production organization, and strengthen the repair operation

means to implement a repair organization model focusing on centralized repairs, and vigorously improve the utilization and efficiency of skylight repairs.

work efficiency.

2. Adhere to the principle of differentiated management. In the technical equipment level of public works, maintenance technology, repair

On the basis of the great progress in the management methods, further strengthen and improve the original maintenance management mode,

Repair system and production process management. From the actual point of view, fully consider the jurisdiction of different production units

Differences in line equipment, natural environment, personnel quality, hardware equipment and other conditions, in the formulation of management

The system and methods should be adapted to local conditions, step by step, and not one size fits all.

3. Adhere to the principle of serving the scene. Carrying out the concept of "integrating management in service" from beginning to end,

The formulation of implementation and system measures should be close to the scene, applicable to the scene, and can be truly implemented. to and

Find and solve the difficulties existing in the field from time to time, and create a new model for the front-line cadres and workers to change the maintenance production mode.

condition.

2. Optimize the setting of maintenance organization

(1) Reasonably set up workshop teams

In order to help organize production, improve efficiency, and deal with emergencies, follow the inspection and maintenance

Separate and specialized maintenance requirements, highlight the technical management function of the public works section, and strengthen the line workshop

With the professional repair team, rationally adjust the production management organization and staffing, in principle, the equipment is not

There will be no increase in staffing in case of changes.

1. Public works section: The extension length of the main line under the jurisdiction should not exceed 1000km. In principle, maintain the existing

The structure of the public works section remains unchanged. For the section with a large management span, each bureau shall conduct appropriate measures for the management boundary according to the actual situation.

Adjustment.

The works section consists of lines, road and bridge workshops, key maintenance workshops, comprehensive workshops, etc.

On the basis of the integration of production scheduling and inspection and monitoring workshops, a safety production scheduling command center is established.

In order to strengthen the professional management of flaw detection, a separate flaw detection workshop should be established.

2. Line workshop: The length of the extension of the main line is 60-80km, and the length of the double line is 60-80km.

100-120km is appropriate, and the scope of workshop jurisdiction should be appropriately narrowed for mountain railways.

The line workshop consists of a line work area and a maintenance work area.

Set up inspection workspaces.

3. Line work area: The line work area is set up between stations in principle, and the extension length of the main line under jurisdiction should not exceed

20km, the jurisdictional scope of mountain railways can be appropriately shortened.

(2) Reasonably define production functions

1. Public Works (Bridge Work) Section: Take overall responsibility for the technical status of line equipment and master production safety information

interest. According to the relevant requirements of the Railway Bureau and the production tasks and indicators issued by the railway bureau, according to the line maintenance

Period and combined with the actual state of the equipment, organize the formulation of annual production plans and technical organization measures,

Review and organize the implementation of monthly workshop maintenance and production plans, and inspect and guide the production process.

Guidance, monitoring and assessment.

2. Safety production dispatching command center: responsible for monitoring and commanding the daily production of the whole section, and for the construction

Gain complete control over job and equipment safety information. Summarize and analyze line bridge equipment inspection monitoring data,

Arrange the investigation and review of equipment diseases and defects, track the processing situation; dynamically grasp the entire daily operation

Plan, review, coordinate and monitor the daily work plan of the workshop, and track and master the work.

The operation status of the mechanical vehicles and the transportation of road materials, and the emergency response to emergencies, etc. step by step

Integrate maintenance planning functions into the center.

3. Line workshop: As the basic unit for organizing maintenance and production, it is responsible for maintaining the quality of the equipment under its jurisdiction.

Quantitative status, organize the implementation of equipment inspection inspection and acceptance system, regularly analyze and evaluate equipment quality, organize

Organizing and formulating workshop annual and monthly production plans and weekly sunroof maintenance plans, organizing the implementation of plans, and tracking

Assess repair and maintenance quality, etc.

4. Key maintenance workshop: As the main unit that implements mechanized repairs and professional repairs in the segment,

Responsible for cooperating with large-scale road maintenance machinery operations, cooperating with centralized repair operations, turnout repairs, rails and turnouts

Welding repair and grinding and key equipment disease remediation work.

5. Line work area: As the responsible unit for equipment management of the line under its jurisdiction, it is responsible for line inspection in the station area.

Inspection, equipment maintenance work, station line equipment maintenance, eliminate the disease that the line exceeds the temporary repair management value

damage, supplement and replace individual parts, clean side ditch, rectify the appearance of the line and line signs, emergency

On duty, inspection and maintenance of closed fences, inspection of safety protection facilities, etc. maintain current management

Model work areas, sections and workshops should strengthen their safety production management and ensure equipment repair capabilities.

6. Maintenance work area: responsible for the maintenance of lines and switch sections (groups), and the replacement of the track damage department

parts, dredging ballast bed slurry, line and turnout rail grinding, refurbishment of crossings and seasonal key work

Wait.

7. Check the work area: responsible for the periodic equipment of the main line and the arrival and departure line within the jurisdiction of the workshop

Static inspection, investigation and review of key diseases, etc.

Provide the basis for a repair plan.

3. Optimize and strengthen maintenance management

(1) Implement line level management

According to the allowable speed of the line, the total annual passing weight, the importance in the road network and the transportation of passengers and goods

characteristics, etc., divide the line level. The route management of passenger cars shall be compared with the adjacent main lines.

Class I: The annual total passing weight is more than 50 million tons or the line's allowable speed is more than 120km/h.

trunk line, trunk line railway;

Class II: The annual total weight is more than 30 million tons or the allowable speed of the line is 100-120km/h.

railway;

Class III: The annual total passing weight is less than 30 million tons or the allowable speed of the line is not more than 100km/h

main line railway;

Class IV: branch railways, arrival and departure lines;

Class V: Other lines.

In principle, the line management standard shall be managed according to the requirements of repair rules and other requirements by speed level.

The railway bureau can be specific and clear in light of the actual situation.

(2) Carry out equipment quality and status assessment

Establish an equipment quality and status evaluation system based on equipment unit management, in order to develop equipment status

Condition repair, grade repair, scientific and rational formulation of equipment overhaul, repair and maintenance plan to provide technical support

hold.

1. Reasonable division of equipment management units. The line equipment unit can be controlled according to the actual situation of the line

To be divided (specifically divided by segment organization), the equipment structure in the unit should be relatively consistent and the quality should be similar.

For the balance, in principle, the 200m line, the entire curve or track, the entire group of switches, and the front and rear 50 ~

A 100m line is a basic unit. The length of the unit should not be too large to facilitate inspection evaluation and

Schedule work.

2. Establish equipment quality assessment system. According to track structure, total passing weight, allowable speed, level

Items related to track quality, such as longitudinal section technical conditions, track dynamic and static test data, etc.

According to the degree of its influence on each quality index, study the different weights of each element, and formulate the quality

Quantitative and Condition Assessment Series Criteria. On this basis, the differences in track quality, state, tamping, etc. are established.

Index mathematical model, develop corresponding management software, make full use of various inspection data, and do a good job

Data interfaces such as inspection vehicles and rail inspection vehicles realize scientific evaluation of track quality and status. distinguish

Positive and station lines establish corresponding line evaluation management methods, clarify data management, evaluation cycle and

Equipment quality control, production planning and other aspects of the regulations.

(3) Scientifically set up equipment repairs

Carry out repair management that combines periodic repair and condition repair based on quality status assessment.

The state of the track structure and the actual individual repair of each line make the equipment repair more targeted and more efficient.

Economically reasonable.

1. Line overhaul. The line overhaul is to solve the damage and fatigue of the rail, restore the elasticity of the ballast bed, and restore the

Or repair operations for the purpose of improving the strength of the track structure and meeting the standards of the subgrade bed, mainly including:

Replacing rails in sections, cleaning ballast beds, replacing pillows, and replacing turnouts in groups. Overdue service by bus route

The rectification of in-service equipment is the focus, and the elimination of main line wooden sleeper turnouts and I-type sleepers is accelerated. using rails

On the premise of protecting the technology and achieving results, the rail change overhaul cycle can be gradually extended according to the evaluation results.

Expect. The full-section cleaning and screening of the track bed shall be arranged in a timely manner according to the evaluation results of the track bed condition.

The dirt-prone section, which is mainly cargo, can be arranged separately between two full-section cleaning and repairing of the track bed.

At the same time, it should be combined with the track bed cleaning and sieving to simultaneously rectify the subgrade diseases, so as to effectively

Maintain rail and line quality status.

2. Line maintenance. Taking large-scale road maintenance machinery as the main means, combined with the repair cycle and status evaluation

Estimated, reasonable arrangement of individual repairs of each structural component of the track. Mainly includes the large-scale complete of the line

Surface tamping, rail pre-grinding, preventive or repair grinding, segment alignment and coating of connecting parts

oil etc.

The tamping operation of the large machine should include the comprehensive measurement, design and optimization of the horizontal and vertical sections of the line.

Comprehensively lifting, setting, tamping, stabilizing, adjusting the geometry, improving the elasticity of the track bed,

Correction or replacement of rubber pads, etc. The cycle is generally: 1 to 1.5 years for Class I lines; 1.5 years for Class II lines

~2 years; 3 years for Class III lines, the specific quality index or tamping index should be combined to control the amount of road lift to

Due to the influence of the line elevation, the key areas such as the seriously bad assessment status can be properly arranged for local reinforcement.

Ⅳ and Ⅴ lines are appropriately arranged according to the mechanical capacity and evaluation results, and small machines are arranged for tamping when necessary.

Operation.

Rail preventive grinding refers to the use of rail protection technology to carry out profile detection and design of rails.

According to the design cycle, the rail is fully ground to improve the wheel-rail contact relationship and eliminate surface cracks.

The source of the texture is restored, and the design profile is restored. After the new rail is on the road, the cumulative total passing weight does not exceed 20 million tons.

Pre-grinding is carried out, and preventive grinding is carried out according to the design cycle.

The maintenance cycle of fasteners is generally 2 to 3 years.

Loose and fill deficiencies, rust removal and oiling, etc.

3. Line maintenance. In order to maintain a balanced and stable equipment quality state, the main contents include

Partial hauling and diversion mainly based on adjustment of geometric dimensions, tightening and slackening of fasteners, rail welds and turnouts

Grinding and repairing of rails, etc. The line maintenance work is mainly based on state repair, and the workshop is based on the monthly

The results of the line quality assessment, taking into account the workshop team and human resources and other resources are arranged by themselves.

Fourth, strengthen the operation organization and management

1. An organization that regulates equipment inspections.

The public works section is responsible for organizing key inspections of line equipment and manual inspections, and timely grasping the dynamic inspection

Dynamic detection data such as vehicles, rail inspection vehicles, vehicle-mounted line inspection instruments, etc. and labor, rail inspection instruments, etc.

Static detection data, summarize and analyze, and analyze the line quality status by equipment level and unit

Conduct a comprehensive assessment to grasp the dynamics and changing trends of equipment quality.

The line workshop masters the equipment patrol information in the work area, and is responsible for formulating the static periodic inspection of the lines in the pipe.

Check the plan.

The line work area and inspection work area shall execute the line static cycle inspection plan issued by the workshop according to the division of labor.

Plan, responsible for the inspection of track structure and weak equipment.

2. Strengthen production plan management.

According to the line quality and condition assessment results, and in combination with equipment maintenance regulations, the works section formulates

Large and maintenance proposal plan, organize and formulate monthly construction plan and maintenance plan, arrange maintenance work

Quantity survey and maintenance design. Responsible for approving the construction and maintenance plans submitted by the workshop,

Review the daily work plan between time and work area.

The workshop is responsible for formulating line maintenance plans, track component replacement plans, etc.;

Monthly maintenance plan, organize maintenance workload investigation;

Organize investigation and review, formulate rectification plans, and issue repair plans.

According to the production capacity of the workshop, the workshop should reasonably issue temporary repair plans such as key disease rectification.

Plan to ensure that the work area can implement line static periodic inspection and daily key inspection, and truly complete the workshop

Issue a key disease remediation plan.

3. Trial line level repair. According to the unit quality grade evaluation standard, according to each equipment unit

The quality index grades its unit and develops a corresponding repair plan. Generally, the element quality is reduced from high

To the low grades I, II, and III, the III-level units are managed by the section, and the inspection and analysis are organized.

Formulate a remediation plan, prioritize key maintenance, and organize key maintenance workshops or maintenance work areas (workmen

team) to implement. Class II units are managed by the workshop, organize inspection and analysis, formulate maintenance plans and organize

implement. The grading standard should fully consider the overall level of equipment quality, repair ability and repair time.

Window conditions, so that the equipment quality is improved in a balanced manner.

4. Optimize the sunroof operation organization. Change the concept of traditional work organization and focus on improving the utilization of skylights

Optimize the organization of operations, vigorously organize professional repairs and centralized repairs, and maximize the efficiency and efficiency of operations.

Play the role of productive resources. Fully ensure the off-point time of cadres and workers, especially the adequate rest before the shift

To create conditions for long-term nighttime workers to implement centralized rest and recuperation. Standardize sunroof work flow

process, focusing on equipment inspection, plan formulation, workload investigation, tools and materials before the sunroof point

Preparatory work such as preparation, staking, prying and division of labor, etc., increase the pure operation time in the skylight point

time, improve the work efficiency in the skylight point.

5. Strengthen work quality management. According to the requirements of "fine repair" and "accurate repair",

While improving the design of line overhaul, comprehensively implement the maintenance design. After the equipment maintenance plan is issued, the segment

The technical department should organize a comprehensive survey and measurement of the operation area, and make full use of the route history of this section.

All kinds of data are recorded, and maintenance plan design is carried out. Equipment management unit and construction unit should be organized.

The design plan is reviewed and approved before implementation. It is necessary to establish and strictly implement road bureaus, sections,

Workshop three-level acceptance system, for line overhaul, main machine maintenance, section maintenance and key disease rectification

and other operations to implement the operation shelf life assessment, in order to effectively improve the quality of the operation, so as to gradually reduce

workload purpose. The tracking and assessment of the quality of the work should be based on the TQI value of the rail inspection vehicle or the rail inspection vehicle.

The road quality evaluation index is the main indicator. In principle, the quality of large-scale grinding, tamping, and maintenance of turnouts is guaranteed.

The maintenance period is 6 months, the maintenance period of lines and turnouts is 3 months, and the guarantee period of key disease remediation is 2 months.

months.

6. Give full play to the role of the safety production dispatching command center. To take the dispatch command center as

The important production management departments of the segment are well constructed, managed and used well. To govern the number of devices by segment

Reasonably set up positions such as scheduling, daily plan approval, operation monitoring, and operating equipment monitoring and sufficient

Personnel, equipped with various equipment for data processing and transmission mainly by means of information technology. To clarify the positions

The job responsibilities and work flow of each position, establish corresponding inspection and assessment systems, and increase the daily

Inspection and assessment to ensure that the safety production command center can accurately collect and master the section safety production and design

Prepare quality information to achieve effective guidance and process monitoring of the safe production process.

7. Further establish and improve various management systems. The first is to establish information on the utilization rate of skylights and the redemption rate.

Information collection, statistical analysis and assessment system to ensure the effective implementation of the skylight repair system. create illegal

The industry red line system will violate the skylight repair regulations, such as typical,

Inertial violations are marked as red lines, and strict assessment measures are required. The second is to formulate maintenance and maintenance acceptance standards

and methods, clearly guarantee the guarantee period, and track the changes in the quality of equipment units during the guarantee period.

nuclear. The third is to standardize operating standards and management procedures. Research and formulate equipment unit management methods,

Equipment quality status assessment method, guide the site to scientifically grasp the equipment status, and make reasonable use of repair funds

source. Formulate a series of modules for single operation standard process to promote the standardization of production safety.

8. Create the necessary conditions to adapt to the skylight repair. One is to strengthen workshop management. through reasonable

Allocate management cadres such as deputy directors, safety officers, and technicians to line workshops to meet their needs.

Management requirements for the basic unit of the maintenance organization. The second is to match the equipment. According to line equipment

According to the actual situation, strengthen the equipment and equipment required for inspection and repair in workshops and work areas, and allocate them within one to two years.

ready. The third is to ensure the lighting conditions for night work. For the work area where the skylight is at night, it is necessary to formulate no

Equipped with corresponding lighting devices according to the lighting scheme of the same work situation. The fourth is to equip transportation workers

Tool. According to different terrain environment and traffic conditions, the traffic mainly by car and rail car is adopted respectively.

Tool configuration solution to meet the needs of employees commuting to get off work and transporting equipment and materials. All railway bureaus

Determine the annual purchase plan of rail cars and arrange them in place as soon as possible. (The line workshop is equipped with tools, machines

Please refer to the attachment for the configuration standard and scheme of furniture and lighting installations. )

5. Steady progress in reform

1. Unify the mind and attach great importance to it. The new "Measures for the Construction Safety Management of Railway Business Lines"

It further clarified the concept and requirements of "no traffic during construction and no construction during driving", and all units must

Attaches great importance to, earnestly study, change concept, get started by the main leaders, research and formulate relevant

work measures and promotion plans, continue to deepen the reform of the service maintenance system, and further adapt to the sunroof

repair requirements.

2. Typical lead the way and advance in an orderly manner. All units should strengthen and improve the general idea of ​​maintenance management

On the basis of the actual situation, formulate a specific promotion plan, clarify the time node, and implement the plan.

Responsible person, progress in an orderly manner. It is necessary to adhere to the typical guide, to point to the surface, to select different levels and majors

Establish typical models, strengthen professional guidance, improve experience and practices, and organize on-site meetings in a timely manner after maturity.

Full promotion.

3. Adapt measures to local conditions and seek practical results. All units must accurately grasp the principle of differentiated management,

Focusing on the work objectives, study the system and methods that adapt to the actual production of this bureau, this section and the workshop, and avoid

Formalize, go through the motions. When formulating various systems and management methods, we should strive to simplify and achieve targeted

Relevance and operability.

4. Dynamic management, continuous improvement. Improving and perfecting line maintenance management is a long-term system

It is necessary to firmly promote various requirements and tasks, but also to actively explore in specific implementation.

And try, sum up experience and lessons, continuously improve management ideas and methods, make public works maintenance management system

system is more complete.