General progam of network planning techniques used in project management
Some standard content:
National Standard of the People's Republic of China
Network Planning Technology
General Program of Network Planning Techniques Used in Project Management
1 Subject Content and Scope of Application
This standard specifies the general program of network planning techniques used in project management. GB/T 13400. 3-92
This standard is applicable to project management work in industry, agriculture, transportation, infrastructure, national defense and scientific research. 2 Reference Standards
GB/T 13400.1 Common terms of network planning technology GB/T13400.2 General provisions of network planning technology network drawing method 3 General principles of program compilation
3.1 The network planning management object and its related elements should be studied and compiled as a system. 3.2 The compilation of network planning procedures and the division of stages should be concise and reasonable, which should be conducive to plan management and implementation. 3.3 Program compilation should be conducive to mobilizing the enthusiasm of all parties to the maximum extent, facilitating coordinated actions, and optimizing the comprehensive standards of the company's construction period, resources, cost, quality, etc.
3.4 Network planning management as a complete The system and dynamic process of network planning must be continuously optimized and adjusted during the operation of network planning. 4. General procedures for the application of network planning technology in project planning management. The general procedures for the application of network planning technology in project planning management are shown in Table 1. Table 1 Preparation stage Draw network diagram State Technical Supervision Bureau 1992-02-26 Steps Determine the monthly target of network planning Investigation and research Work plan design Monthly decomposition Logical relationship analysis Draw network diagram 6. 1~-6.2
1992-12-01Implementation
Time Reference calculation and determination of key paths
Reduction of feasible network plan
Optimization and determination of formal network plan to
Implementation, adjustment and control
End stage
5Preparation stage
5. 1Determine the network plan objectives
GB/T 13400. 392
Continued Table 1
Calculate the duration of the work
Calculate other time parameters
Determine the key strategy
Check and adjust
Prepare a feasible network plan
Prepare a formal network plan
Implementation of the network plan
Check and data collection
Adjust, control
Summary and analysis
Network plan goals generally have the following types, which should be selected and determined according to needs: time daily target;
h. Time-resource monthly target!
Time-cost target.
5. 2 Investigation and Research
See 7.1--7-3
8. 1 ~-8. 2
8. 3 ~~ 8. 5
6- 1-~9. 2
11. 1--11.2
The staff should obtain sufficient and accurate information through investigation and research to provide a scientific basis for the preparation of the network plan. 5.2.1
Main contents of investigation and research
Related work tasks, implementation conditions, design data and other information! Relevant standards, quotas, regulations, systems, etc.! Resource demand and supply;
Capital demand and supply:
Related experience, statistical data and historical data; other relevant technical and economic data.
The following methods can be used for investigation and research:
actual observation, measurement and inquiry;
conference investigation;
review of materials;
computer analysis:
information transmission;
analysis and prediction.
5.2.3 Conduct comprehensive analysis and research on the investigated data, grasp the overall picture, master the interrelationships between them, and predict the development and change rules of the project. 5.3T work plan design
5.3.1 The main contents of the work plan design are: a: determine the work (production) sequence;
b, determine the work (production) method;
select the required mechanical equipment!
GB/T 13400. 3-92
d. Determine important technical policies or organizational principles: Design technical and organizational measures for key issues in work (production), such as quality control measures, safety assurance measures, injury measures, seasonal impacts and other emergency measures; E. Determine the type of network diagram to be used (such as single code or double code). 5.3.2 Basic requirements for work plan design
Reduce unnecessary steps as much as possible, and seek the best work procedure based on process analysis; The next art can meet technical requirements, ensure quality and safety, and use advanced technology and advanced experience as much as possible! The organizational management division of labor is reasonable, the responsibilities are clear, and the enthusiasm of all employees is fully mobilized: d.
It is conducive to improving work efficiency, shortening construction period, saving expenses, reducing costs, and improving economic benefits. 6 Draw a network diagram
6.1 Project decomposition
According to the management requirements and compilation needs of the network plan, the project is decomposed into the basic components (work) of the network plan. 6.2 Project decomposition
6.2.1 Project decomposition can generally be divided according to its nature, organizational structure and operation mode. For example, according to the preparation stage, implementation stage; according to the overall and local; according to the professional or process work content; according to the work responsibility and work location. 6.2.2 Project decomposition, generally first rough and then fine. The decomposition is conducive to the formulation of the overall network plan, and the fine division can be used as the basis for drawing the local network plan. 6.2.3 The daily decomposition of the project should be determined according to the specific situation. The rough or fine division can also be carried out in a certain part or a certain production stage.
6.3 Logical relationship analysis
6.3.1 The logical relationship analysis of work is to determine the order of each work, the relationship of dependence and mutual restriction, so as to facilitate the drawing of network diagrams
6.3.2 The basis for analyzing logical relationships is:
The designed work plan;
The decomposed work sequence of the project:
The collected relevant information
The professional work experience and organizational work experience of the planners, etc. d.
Analyze the two types of logical relationships clearly
Process relationship,
Organization relationship.
Analysis methodwww.bzxz.net
According to the requirements of different network diagrams, analyze the previous or next work of each work and the various overlapping relationships with related work.
List the analyzed logical relationships and arrange the closely related work as close as possible. h.
6.4 Item decomposition and logical relationship table
Fill in the results of item decomposition and logical relationship analysis of 6.2 and 6.3 into Table 2. Sequence
Work name
6.5 Draw network diagram
Follow-up work
GE/T 13400. 392
Overlap relationship
Related work
6.5.1 Determine the arrangement of lines and nodes
Determine the arrangement of lines and nodes, and its basic requirements are: a.
Features:
Easy to read
Avoid crossing of arrows as much as possible:
To make the combination and sub-diagrams of work, and the drawings.
Basis for drawing network diagram
Work logic relationship shown in Table 2;
Selected network type;
Determined line and node arrangement method:
All regulations of GB/T13100.2.
Steps for drawing network diagram
Work duration
Shortest estimated time Longest estimated time Most likely time m
According to the selected network diagram type and the determined arrangement method, determine the reasonable layout of the network diagram! 8
Expected duration
Starting from the starting work, draw from left to right. Only when all the previous work is completed, can this work be drawn, until all the end work is completed
Check whether there are any mistakes or omissions in the work and logical relationship and make corrections: d
Requirements of the drawing rules of the connection diagram Complete network diagram: e:: Number the work nodes according to the numbering requirements of the network diagram. 7 Calculation of time parameters
7.1 Calculation of work duration
7.1.1 For the work duration of a general deterministic network plan,The main calculation methods are: estimation based on past practical experience;
calculation after experiments;
there are standards to check, and calculation is based on the quota. The calculation formula is as follows: D, (D)
Where: P (D)
The duration of work is called month, sentence, week, hour, etc., a workload:
R——number of people:
S——efficiency quota.
7.1.2 For: - general non-confirmatory network, the duration of work should adopt the "one-time estimation method". The calculation formula is as follows: (1)
Where: D.---expected duration calculation value + α—-shortest estimated time
6--longest estimated time,
21--most likely estimated time.
7.2 Overlap time determination
GB/T13400.3
D.=e+4m +6
According to the optimal production (construction) sequence, analyze the overlap time of the two tasks that start or complete after light, and determine the overlap time (time jump) of different sequences as needed, namely: STS, STF, FTS, FTF. 7.3 Fill in the calculated work duration or the determined overlap time into Table 2 and mark it on the network diagram. 7.4 Calculate other time parameters
7.4.1 The time parameters that need to be calculated are determined by the preparation and use requirements of the network plan. Working time parameters: ES, EF, LS, LF, TF, FF Node time parameters: ET, LT
Period:
7.4.2 The calculation method of time parameters can be selected from analytical calculation method, graph algorithm, table calculation matrix method, electrical algorithm and other methods as needed.
7.4.3 The calculated time Parameters can be listed in a table (see Table 3) and should be marked on the network diagram. When marked on the network diagram, it should comply with the provisions of GB/T13400.2.
Work name
Work duration
7.5 Determine the critical path
Use one of the following methods to determine the critical path: a.
Time zero
From the starting point of the network diagram to the end point, the path with the longest construction period is the critical path; FF
Is it related to the work
From the starting point of the network diagram to the end point, the total time difference of the work is zero or the minimum, and the key work is connected in series, which is the critical line; the nodes with zero or the minimum time difference are connected in series, which is the critical path: d. Use the circle method or the circle avoidance method to determine the critical path. 8
Prepare a feasible network plan
8.1 Inspection and Adjustment
8. 1.1 The main contents of the inspection are:
, whether the construction period meets the requirements
whether the resource allocation meets the resource supply conditions: whether the cost control meets the requirements.
8.1.2 Contents and methods of adjustment
8. 1.2.1 Adjustment of construction period
When the "calculated construction period" cannot meet the predetermined time target requirements, adjustments should be made. The adjustment method is: take appropriate measures to compress the duration of key work. When it still cannot meet the requirements, the organizational relationship of the work plan can be changed. 8.1.2.2 Resource Adjustment
GB/T 13400. 392
When the resource intensity exceeds the supply possibility, adjustments should be made. The adjustment method is: adjust non-critical work to reduce resources. Within the allowable range of the total time difference and under the premise of the process permission, flexibly arrange the duration of non-critical work (such as extending the duration, changing the start and completion time or interrupting the progress, etc.).
8.2 After checking and adjusting, the time parameters must be recalculated, and the time marked on the time parameter table and the network diagram must be modified. 8-3 According to the adjusted network diagram and the calculated time parameters, the redrawn network plan is the feasible network plan. 8.4 The feasible network plan can also be compiled into a time-scaled network plan. 8.5 In the feasible network plan, the key lines must be marked according to the specified symbols. 9 Network plan optimization
The scheduled network plan generally needs to be optimized before it can be compiled into a formal network plan. When there is no optimization requirement, the scheduled network plan can be used as the formal network plan.
9.1 Determination of the daily optimization target
The monthly optimization target can be selected from the following: a. Construction period optimization:
h. Optimization of "time-specified resource balance": c. Optimization of "resource intensity unchanged, shortest time": d. Optimization of "resource intensity variable, shortest time"; e.
Time and cost optimization.
9.2 Steps for network plan optimization
Network plan optimization can generally be carried out in the following steps: H.
Determine the optimization target:
Choose the optimization method:
Perform optimization calculation;
Evaluate and make decisions on the optimization results.
9. 3 Prepare a formal network plan
Based on the optimized network plan, draw up a formal network plan to be implemented. 9. 3. 1
Prepare a network plan description, which includes: preparation instructions;
List of main plan indicators;
Key instructions for executing the plan!
Problems and main measures to be solved:
Other issues that need to be explained.
10 Implementation of the network plan
10.1 Implementation of the network plan
10.1.1 After submitting the formal network plan to the relevant departments for approval, the implementation can be organized: 10.1.2 Establish a corresponding organizational guarantee system: 10.1.3 Organize publicity and conduct necessary training 10.1.4 Implement each task in the network plan to the responsible unit, and the operational network plan must be implemented by the responsible person, and formulate corresponding specific measures to ensure the implementation of the plan.
10.2 Inspection and data collection during the implementation of the network plan 10.2.1 In order to control the implementation of the plan, it is necessary to establish and improve the corresponding inspection system and execution data collection and reporting system, establish relevant GB/T 13400.3-92
data rate, regularly, irregularly or in an emergency, inspect the implementation of the network plan and collect and process relevant information data. 10.2.2 The main contents of the inspection of the network plan are: a. Key work progress,
b. The progress and time difference utilization of non-critical work; e. Changes in the relationship between the previous work and the previous work;
resource status;
cost status;
other existing problems,
10.2.3 The following methods can be used to record the implementation progress during the inspection: When the time-scale network is used, the "actual progress forward line" can be used to record: a
When the time-scale network is not used, it can be directly expressed on the diagram with text or appropriate symbols, or it can be recorded in a list. 10.2.4 Analyze the inspection results and the relevant data collected and feedback, and move the key , determine countermeasures and take corresponding measures. 10.3 Adjustment of network plan
1.3.1 When the valve plan deviates during execution, necessary adjustments must be made in time to ensure the smooth implementation of the plan. 10.3.2 The content of the network plan should include: a.
Adjustment of work duration;
Adjustment of work items:
Adjustment of resource intensity +
Cost control.
10.3.3 The main steps of network plan adjustment are: a.
According to the network plan execution, the records should be checked. Collect the analysis results of the feedback data, determine the object and goal of adjustment, select the appropriate adjustment method, and design the adjustment plan! Evaluate and make decisions on the adjustment plan:
Determine the new network plan to be implemented after the adjustment. 11 Summary and analysis of network plan
11.1 After the network plan task is completed, a summary and analysis must be conducted. The content of the summary and analysis mainly includes: the completion of each target, including the completion of time target, resource target, cost target, etc. h. 1. Analysis of problems and their causes in the work; Summary and analysis of experience in the work: || tt||d. Summary of measures to improve the level of planning work, etc. 11.2 The summary and analysis of network plans should be systematized, and the summary and analysis data should be kept together with the network plan as archive data. Additional notes:
This standard was proposed by the State Administration of Technical Supervision of China and is under the jurisdiction of the China Institute of Standardization and Information Classification and Coding. This standard was drafted by the Liaoning Provincial Standard Information Research Institute, the China Architecture Society Coordination Management Research Institute, and the China Institute of Standardization and Information Classification and Coding.
The main drafters of this standard are Sui Jiu, Cong Peijing, Gong Xiangdong, Li Rong, and Zhang Sumei.2 For a general non-confirmatory network, the working duration shall be determined by the "one-time estimation method". The calculation formula is as follows: (1)
Where: D.--- expected duration calculation value + α-- shortest estimated time
6--- longest estimated time,
21--- most likely estimated time.
7.2 Overlap time determination
GB/T13400.3
D.=e+4m +6
According to the optimal production (construction) sequence, analyze the overlap time of the two tasks that start or complete after light, and determine the overlap time (time jump) of different sequences as needed, namely: STS, STF, FTS, FTF. 7.3 Fill in the calculated work duration or the determined overlap time into Table 2 and mark it on the network diagram. 7.4 Calculate other time parameters
7.4.1 The time parameters that need to be calculated are determined by the preparation and use requirements of the network plan. Working time parameters: ES, EF, LS, LF, TF, FF Node time parameters: ET, LT
Period:
7.4.2 The calculation method of time parameters can be selected from analytical calculation method, graph algorithm, table calculation matrix method, electrical algorithm and other methods as needed.
7.4.3 The calculated time Parameters can be listed in a table (see Table 3) and should be marked on the network diagram. When marked on the network diagram, it should comply with the provisions of GB/T13400.2.
Work name
Work duration
7.5 Determine the critical path
Use one of the following methods to determine the critical path: a.
Time zero
From the starting point of the network diagram to the end point, the path with the longest construction period is the critical path; FF
Is it related to the work
From the starting point of the network diagram to the end point, the total time difference of the work is zero or the minimum, and the key work is connected in series, which is the critical line; the nodes with zero or the minimum time difference are connected in series, which is the critical path: d. Use the circle method or the circle avoidance method to determine the critical path. 8
Prepare a feasible network plan
8.1 Inspection and Adjustment
8. 1.1 The main contents of the inspection are:
, whether the construction period meets the requirements
whether the resource allocation meets the resource supply conditions: whether the cost control meets the requirements.
8.1.2 Contents and methods of adjustment
8. 1.2.1 Adjustment of construction period
When the "calculated construction period" cannot meet the predetermined time target requirements, adjustments should be made. The adjustment method is: take appropriate measures to compress the duration of key work. When it still cannot meet the requirements, the organizational relationship of the work plan can be changed. 8.1.2.2 Resource Adjustment
GB/T 13400. 392
When the resource intensity exceeds the supply possibility, adjustments should be made. The adjustment method is: adjust non-critical work to reduce resources. Within the allowable range of the total time difference and under the premise of the process permission, flexibly arrange the duration of non-critical work (such as extending the duration, changing the start and completion time or interrupting the progress, etc.).
8.2 After checking and adjusting, the time parameters must be recalculated, and the time marked on the time parameter table and the network diagram must be modified. 8-3 According to the adjusted network diagram and the calculated time parameters, the redrawn network plan is the feasible network plan. 8.4 The feasible network plan can also be compiled into a time-scaled network plan. 8.5 In the feasible network plan, the key lines must be marked according to the specified symbols. 9 Network plan optimization
The scheduled network plan generally needs to be optimized before it can be compiled into a formal network plan. When there is no optimization requirement, the scheduled network plan can be used as the formal network plan.
9.1 Determination of the daily optimization target
The monthly optimization target can be selected from the following: a. Construction period optimization:
h. Optimization of "time-specified resource balance": c. Optimization of "resource intensity unchanged, shortest time": d. Optimization of "resource intensity variable, shortest time"; e.
Time and cost optimization.
9.2 Steps for network plan optimization
Network plan optimization can generally be carried out in the following steps: H.
Determine the optimization target:
Choose the optimization method:
Perform optimization calculation;
Evaluate and make decisions on the optimization results.
9. 3 Prepare a formal network plan
Based on the optimized network plan, draw up a formal network plan to be implemented. 9. 3. 1
Prepare a network plan description, which includes: preparation instructions;
List of main plan indicators;
Key instructions for executing the plan!
Problems and main measures to be solved:
Other issues that need to be explained.
10 Implementation of the network plan
10.1 Implementation of the network plan
10.1.1 After submitting the formal network plan to the relevant departments for approval, the implementation can be organized: 10.1.2 Establish a corresponding organizational guarantee system: 10.1.3 Organize publicity and conduct necessary training 10.1.4 Implement each task in the network plan to the responsible unit, and the operational network plan must be implemented by the responsible person, and formulate corresponding specific measures to ensure the implementation of the plan.
10.2 Inspection and data collection during the implementation of the network plan 10.2.1 In order to control the implementation of the plan, it is necessary to establish and improve the corresponding inspection system and execution data collection and reporting system, establish relevant GB/T 13400.3-92
data rate, regularly, irregularly or in an emergency, inspect the implementation of the network plan and collect and process relevant information data. 10.2.2 The main contents of the inspection of the network plan are: a. Key work progress,
b. The progress and time difference utilization of non-critical work; e. Changes in the relationship between the previous work and the previous work;
resource status;
cost status;
other existing problems,
10.2.3 The following methods can be used to record the implementation progress during the inspection: When the time-scale network is used, the "actual progress forward line" can be used to record: a
When the time-scale network is not used, it can be directly expressed on the diagram with text or appropriate symbols, or it can be recorded in a list. 10.2.4 Analyze the inspection results and the relevant data collected and feedback, and move the key , determine countermeasures and take corresponding measures. 10.3 Adjustment of network plan
1.3.1 When the valve plan deviates during execution, necessary adjustments must be made in time to ensure the smooth implementation of the plan. 10.3.2 The content of the network plan should include: a.
Adjustment of work duration;
Adjustment of work items:
Adjustment of resource intensity +
Cost control.
10.3.3 The main steps of network plan adjustment are: a.
According to the network plan execution, the records should be checked. Collect the analysis results of the feedback data, determine the object and goal of adjustment, select the appropriate adjustment method, and design the adjustment plan! Evaluate and make decisions on the adjustment plan:
Determine the new network plan to be implemented after the adjustment. 11 Summary and analysis of network plan
11.1 After the network plan task is completed, a summary and analysis must be conducted. The content of the summary and analysis mainly includes: the completion of each target, including the completion of time target, resource target, cost target, etc. h. 1. Analysis of problems and their causes in the work; Summary and analysis of experience in the work: || tt||d. Summary of measures to improve the level of planning work, etc. 11.2 The summary and analysis of network plans should be systematized, and the summary and analysis data should be kept together with the network plan as archive data. Additional notes:
This standard was proposed by the State Administration of Technical Supervision of China and is under the jurisdiction of the China Institute of Standardization and Information Classification and Coding. This standard was drafted by the Liaoning Provincial Standard Information Research Institute, the China Architecture Society Coordination Management Research Institute, and the China Institute of Standardization and Information Classification and Coding.
The main drafters of this standard are Sui Jiu, Cong Peijing, Gong Xiangdong, Li Rong, and Zhang Sumei.2 For a general non-confirmatory network, the working duration shall be determined by the "one-time estimation method". The calculation formula is as follows: (1)
Where: D.--- expected duration calculation value + α-- shortest estimated time
6--- longest estimated time,
21--- most likely estimated time.
7.2 Overlap time determination
GB/T13400.3
D.=e+4m +6
According to the optimal production (construction) sequence, analyze the overlap time of the two tasks that start or complete after light, and determine the overlap time (time jump) of different sequences as needed, namely: STS, STF, FTS, FTF. 7.3 Fill in the calculated work duration or the determined overlap time into Table 2 and mark it on the network diagram. 7.4 Calculate other time parameters
7.4.1 The time parameters that need to be calculated are determined by the preparation and use requirements of the network plan. Working time parameters: ES, EF, LS, LF, TF, FF Node time parameters: ET, LT
Period:
7.4.2 The calculation method of time parameters can be selected from analytical calculation method, graph algorithm, table calculation matrix method, electrical algorithm and other methods as needed.
7.4.3 The calculated time Parameters can be listed in a table (see Table 3) and should be marked on the network diagram. When marked on the network diagram, it should comply with the provisions of GB/T13400.2.
Work name
Work duration
7.5 Determine the critical path
Use one of the following methods to determine the critical path: a.
Time zero
From the starting point of the network diagram to the end point, the path with the longest construction period is the critical path; FF
Is it related to the work
From the starting point of the network diagram to the end point, the total time difference of the work is zero or the minimum, and the key work is connected in series, which is the critical line; the nodes with zero or the minimum time difference are connected in series, which is the critical path: d. Use the circle method or the circle avoidance method to determine the critical path. 8
Prepare a feasible network plan
8.1 Inspection and Adjustment
8. 1.1 The main contents of the inspection are:
, whether the construction period meets the requirements
whether the resource allocation meets the resource supply conditions: whether the cost control meets the requirements.
8.1.2 Contents and methods of adjustment
8. 1.2.1 Adjustment of construction period
When the "calculated construction period" cannot meet the predetermined time target requirements, adjustments should be made. The adjustment method is: take appropriate measures to compress the duration of key work. When it still cannot meet the requirements, the organizational relationship of the work plan can be changed. 8.1.2.2 Resource Adjustment
GB/T 13400. 392
When the resource intensity exceeds the supply possibility, adjustments should be made. The adjustment method is: adjust non-critical work to reduce resources. Within the allowable range of the total time difference and under the premise of the process permission, flexibly arrange the duration of non-critical work (such as extending the duration, changing the start and completion time or interrupting the progress, etc.).
8.2 After checking and adjusting, the time parameters must be recalculated, and the time marked on the time parameter table and the network diagram must be modified. 8-3 According to the adjusted network diagram and the calculated time parameters, the redrawn network plan is the feasible network plan. 8.4 The feasible network plan can also be compiled into a time-scaled network plan. 8.5 In the feasible network plan, the key lines must be marked according to the specified symbols. 9 Network plan optimization
The scheduled network plan generally needs to be optimized before it can be compiled into a formal network plan. When there is no optimization requirement, the scheduled network plan can be used as the formal network plan.
9.1 Determination of the daily optimization target
The monthly optimization target can be selected from the following: a. Construction period optimization:
h. Optimization of "time-specified resource balance": c. Optimization of "resource intensity unchanged, shortest time": d. Optimization of "resource intensity variable, shortest time"; e.
Time and cost optimization.
9.2 Steps for network plan optimization
Network plan optimization can generally be carried out in the following steps: H.
Determine the optimization target:
Choose the optimization method:
Perform optimization calculation;
Evaluate and make decisions on the optimization results.
9. 3 Prepare a formal network plan
Based on the optimized network plan, draw up a formal network plan to be implemented. 9. 3. 1
Prepare a network plan description, which includes: preparation instructions;
List of main plan indicators;
Key instructions for executing the plan!
Problems and main measures to be solved:
Other issues that need to be explained.
10 Implementation of the network plan
10.1 Implementation of the network plan
10.1.1 After submitting the formal network plan to the relevant departments for approval, the implementation can be organized: 10.1.2 Establish a corresponding organizational guarantee system: 10.1.3 Organize publicity and conduct necessary training 10.1.4 Implement each task in the network plan to the responsible unit, and the operational network plan must be implemented by the responsible person, and formulate corresponding specific measures to ensure the implementation of the plan.
10.2 Inspection and data collection during the implementation of the network plan 10.2.1 In order to control the implementation of the plan, it is necessary to establish and improve the corresponding inspection system and execution data collection and reporting system, establish relevant GB/T 13400.3-92
data rate, regularly, irregularly or in an emergency, inspect the implementation of the network plan and collect and process relevant information data. 10.2.2 The main contents of the inspection of the network plan are: a. Key work progress,
b. The progress and time difference utilization of non-critical work; e. Changes in the relationship between the previous work and the previous work;
resource status;
cost status;
other existing problems,
10.2.3 The following methods can be used to record the implementation progress during the inspection: When the time-scale network is used, the "actual progress forward line" can be used to record: a
When the time-scale network is not used, it can be directly expressed on the diagram with text or appropriate symbols, or it can be recorded in a list. 10.2.4 Analyze the inspection results and the relevant data collected and feedback, and move the key , determine countermeasures and take corresponding measures. 10.3 Adjustment of network plan
1.3.1 When the valve plan deviates during execution, necessary adjustments must be made in time to ensure the smooth implementation of the plan. 10.3.2 The content of the network plan should include: a.
Adjustment of work duration;
Adjustment of work items:
Adjustment of resource intensity +
Cost control.
10.3.3 The main steps of network plan adjustment are: a.
According to the network plan execution, the records should be checked. Collect the analysis results of the feedback data, determine the object and goal of adjustment, select the appropriate adjustment method, and design the adjustment plan! Evaluate and make decisions on the adjustment plan:
Determine the new network plan to be implemented after the adjustment. 11 Summary and analysis of network plan
11.1 After the network plan task is completed, a summary and analysis must be conducted. The content of the summary and analysis mainly includes: the completion of each target, including the completion of time target, resource target, cost target, etc. h. 1. Analysis of problems and their causes in the work; Summary and analysis of experience in the work: || tt||d. Summary of measures to improve the level of planning work, etc. 11.2 The summary and analysis of network plans should be systematized, and the summary and analysis data should be kept together with the network plan as archive data. Additional notes:
This standard was proposed by the State Administration of Technical Supervision of China and is under the jurisdiction of the China Institute of Standardization and Information Classification and Coding. This standard was drafted by the Liaoning Provincial Standard Information Research Institute, the China Architecture Society Coordination Management Research Institute, and the China Institute of Standardization and Information Classification and Coding.
The main drafters of this standard are Sui Jiu, Cong Peijing, Gong Xiangdong, Li Rong, and Zhang Sumei.LT
Period:
7.4.2 The calculation method of time parameters can be selected from analytical calculation method, graph calculation method, table calculation matrix method, electric calculation method and other methods according to the needs.
7.4.3 The calculated time parameters can be listed in a table (see Table 3) and should be marked on the network diagram. When marked on the network diagram, it should comply with the provisions of GB/T13400.2.
Work name
Work duration
7.5 Determine the critical path
Use one of the following methods to determine the critical path: a.
Time zero
From the starting point to the end point of the network diagram, the path with the longest construction period is the critical path; FF
Is it related work
From the starting point to the end point of the network diagram, the total time difference of the key work is zero or the minimum, which is connected in series, and the critical line is omitted; the nodes with zero or minimum time difference are connected in series, which is the critical path: d. Use the circle method or the circle avoidance method to determine the critical path. 8
Prepare a feasible network plan
8.1 Inspection and adjustment
8. 1.1 The main contents of the inspection are:
, whether the construction period meets the requirements
whether the resource allocation meets the resource supply conditions: whether the cost control meets the requirements.
8.1.2 Contents and methods of adjustment
8. 1.2.1 Adjustment of construction period
When the "calculated construction period" cannot meet the predetermined time target requirements, adjustments should be made. The adjustment method is: take appropriate measures to compress the duration of key work. When it still cannot meet the requirements, the organizational relationship of the work plan can be changed. 8.1.2.2 Resource adjustment
GB/T 13400. 392
When the resource intensity exceeds the supply possibility, adjustments should be made. The adjustment method is: adjust non-critical work to reduce resources. Within the allowable range of the total time difference and under the premise of the process allowing, the duration of non-critical work can be flexibly arranged (such as extending the duration, changing the start and completion time or interrupting the work, etc.).
8.2 After inspection and adjustment, the time parameters must be recalculated, and the time marked on the time parameter table and the network diagram must be modified. 8-3 According to the adjusted network diagram and the calculated time parameters, the redrawn network plan is the feasible network plan. 8.4 The feasible network plan can also be compiled into a time-scaled network plan. 8.5 In the feasible network plan, the key lines must be marked with the specified symbols. 9 Network plan optimization
The scheduled network plan generally needs to be optimized before it can be compiled into a formal network plan. When there is no optimization requirement, the scheduled network plan can be used as the formal network plan.
9.1 Determination of the optimization daily target
The optimization monthly target can be selected from the following: a, construction period optimization:
h. Optimization of "time-specified resource balance": H. Optimization of "constant resource intensity and shortest time": D. Optimization of "variable resource intensity and shortest time"; E.
Time and cost optimization.
9.2 Steps of network plan optimization
The optimization of network plan can generally be carried out in the following steps; H.
Determine the optimization target:
Select the optimization method:
Perform optimization calculation;
Evaluate and make decisions on the optimization results.
9. 3 Prepare a formal network plan
Based on the optimized network plan, draw a formal network plan to be implemented. 9. 3. 1
Prepare a network plan description, which includes: preparation instructions;
List of main plan indicators;
Key instructions for executing the plan!
Problems and main measures to be solved:
Other issues that need to be explained.
10 Implementation of the network plan
10.1 Implementation of the network plan
10.1.1 After submitting the formal network plan to the relevant departments for approval, the implementation can be organized: 10.1.2 Establish a corresponding organizational guarantee system: 10.1.3 Organize publicity and conduct necessary training 10.1.4 Implement each task in the network plan to the responsible unit, and the operational network plan must be implemented by the responsible person, and formulate corresponding specific measures to ensure the implementation of the plan.
10.2 Inspection and data collection during the implementation of the network plan 10.2.1 In order to control the implementation of the plan, it is necessary to establish and improve the corresponding inspection system and execution data collection and reporting system, establish relevant GB/T 13400.3-92
data rate, regularly, irregularly or in an emergency, inspect the implementation of the network plan and collect and process relevant information data. 10.2.2 The main contents of the inspection of the network plan are: a. Key work progress,
b. The progress and time difference utilization of non-critical work; e. Changes in the relationship between the previous work and the previous work;
resource status;
cost status;
other existing problems,
10.2.3 The following methods can be used to record the implementation progress during the inspection: When the time-scale network is used, the "actual progress forward line" can be used to record: a
When the time-scale network is not used, it can be directly expressed on the diagram with text or appropriate symbols, or it can be recorded in a list. 10.2.4 Analyze the inspection results and the relevant data collected and feedback, and move the key , determine countermeasures and take corresponding measures. 10.3 Adjustment of network plan
1.3.1 When the valve plan deviates during execution, necessary adjustments must be made in time to ensure the smooth implementation of the plan. 10.3.2 The content of the network plan should include: a.
Adjustment of work duration;
Adjustment of work items:
Adjustment of resource intensity +
Cost control.
10.3.3 The main steps of network plan adjustment are: a.
According to the network plan execution, the records should be checked. Collect the analysis results of the feedback data, determine the object and goal of adjustment, select the appropriate adjustment method, and design the adjustment plan! Evaluate and make decisions on the adjustment plan:
Determine the new network plan to be implemented after the adjustment. 11 Summary and analysis of network plan
11.1 After the network plan task is completed, a summary and analysis must be conducted. The content of the summary and analysis mainly includes: the completion of each target, including the completion of time target, resource target, cost target, etc. h. 1. Analysis of problems and their causes in the work; Summary and analysis of experience in the work: || tt||d. Summary of measures to improve the level of planning work, etc. 11.2 The summary and analysis of network plans should be systematized, and the summary and analysis data should be kept together with the network plan as archive data. Additional notes:
This standard was proposed by the State Administration of Technical Supervision of China and is under the jurisdiction of the China Institute of Standardization and Information Classification and Coding. This standard was drafted by the Liaoning Provincial Standard Information Research Institute, the China Architecture Society Coordination Management Research Institute, and the China Institute of Standardization and Information Classification and Coding.
The main drafters of this standard are Sui Jiu, Cong Peijing, Gong Xiangdong, Li Rong, and Zhang Sumei.LT
Period:
7.4.2 The calculation method of time parameters can be selected from analytical calculation method, graph calculation method, table calculation matrix method, electric calculation method and other methods according to the needs.
7.4.3 The calculated time parameters can be listed in a table (see Table 3) and should be marked on the network diagram. When marked on the network diagram, it should comply with the provisions of GB/T13400.2.
Work name
Work duration
7.5 Determine the critical path
Use one of the following methods to determine the critical path: a.
Time zero
From the starting point to the end point of the network diagram, the path with the longest construction period is the critical path; FF
Is it related work
From the starting point to the end point of the network diagram, the total time difference of the key work is zero or the minimum, which is connected in series, and the critical line is omitted; the nodes with zero or minimum time difference are connected in series, which is the critical path: d. Use the circle method or the circle avoidance method to determine the critical path. 8
Prepare a feasible network plan
8.1 Inspection and adjustment
8. 1.1 The main contents of the inspection are:
, whether the construction period meets the requirements
whether the resource allocation meets the resource supply conditions: whether the cost control meets the requirements.
8.1.2 Contents and methods of adjustment
8. 1.2.1 Adjustment of construction period
When the "calculated construction period" cannot meet the predetermined time target requirements, adjustments should be made. The adjustment method is: take appropriate measures to compress the duration of key work. When it still cannot meet the requirements, the organizational relationship of the work plan can be changed. 8.1.2.2 Resource adjustment
GB/T 13400. 392
When the resource intensity exceeds the supply possibility, adjustments should be made. The adjustment method is: adjust non-critical work to reduce resources. Within the allowable range of the total time difference and under the premise of the process allowing, the duration of non-critical work can be flexibly arranged (such as extending the duration, changing the start and completion time or interrupting the work, etc.).
8.2 After inspection and adjustment, the time parameters must be recalculated, and the time marked on the time parameter table and the network diagram must be modified. 8-3 According to the adjusted network diagram and the calculated time parameters, the redrawn network plan is the feasible network plan. 8.4 The feasible network plan can also be compiled into a time-scaled network plan. 8.5 In the feasible network plan, the key lines must be marked with the specified symbols. 9 Network plan optimization
The scheduled network plan generally needs to be optimized before it can be compiled into a formal network plan. When there is no optimization requirement, the scheduled network plan can be used as the formal network plan.
9.1 Determination of the optimization daily target
The optimization monthly target can be selected from the following: a, construction period optimization:
h. Optimization of "time-specified resource balance": H. Optimization of "constant resource intensity and shortest time": D. Optimization of "variable resource intensity and shortest time"; E.
Time and cost optimization.
9.2 Steps of network plan optimization
The optimization of network plan can generally be carried out in the following steps; H.
Determine the optimization target:
Select the optimization method:
Perform optimization calculation;
Evaluate and make decisions on the optimization results.
9. 3 Prepare a formal network plan
Based on the optimized network plan, draw a formal network plan to be implemented. 9. 3. 1
Prepare a network plan description, which includes: preparation instructions;
List of main plan indicators;
Key instructions for executing the plan!
Problems and main measures to be solved:
Other issues that need to be explained.
10 Implementation of the network plan
10.1 Implementation of the network plan
10.1.1 After submitting the formal network plan to the relevant departments for approval, the implementation can be organized: 10.1.2 Establish a corresponding organizational guarantee system: 10.1.3 Organize publicity and conduct necessary training 10.1.4 Implement each task in the network plan to the responsible unit, and the operational network plan must be implemented by the responsible person, and formulate corresponding specific measures to ensure the implementation of the plan.
10.2 Inspection and data collection during the implementation of the network plan 10.2.1 In order to control the implementation of the plan, it is necessary to establish and improve the corresponding inspection system and execution data collection and reporting system, establish relevant GB/T 13400.3-92
data rate, regularly, irregularly or in an emergency, inspect the implementation of the network plan and collect and process relevant information data. 10.2.2 The main contents of the inspection of the network plan are: a. Key work progress,
b. The progress and time difference utilization of non-critical work; e. Changes in the relationship between the previous work and the previous work;
resource status;
cost status;
other existing problems,
10.2.3 The following methods can be used to record the implementation progress during the inspection: When the time-scale network is used, the "actual progress forward line" can be used to record: a
When the time-scale network is not used, it can be directly expressed on the diagram with text or appropriate symbols, or it can be recorded in a list. 10.2.4 Analyze the inspection results and the relevant data collected and feedback, and move the key , determine countermeasures and take corresponding measures. 10.3 Adjustment of network plan
1.3.1 When the valve plan deviates during execution, necessary adjustments must be made in time to ensure the smooth implementation of the plan. 10.3.2 The content of the network plan should include: a.
Adjustment of work duration;
Adjustment of work items:
Adjustment of resource intensity +
Cost control.
10.3.3 The main steps of network plan adjustment are: a.
According to the network plan execution, the records should be checked. Collect the analysis results of the feedback data, determine the object and goal of adjustment, select the appropriate adjustment method, and design the adjustment plan! Evaluate and make decisions on the adjustment plan:
Determine the new network plan to be implemented after the adjustment. 11 Summary and analysis of network plan
11.1 After the network plan task is completed, a summary and analysis must be conducted. The content of the summary and analysis mainly includes: the completion of each target, including the completion of time target, resource target, cost target, etc. h. 1. Analysis of problems and their causes in the work; Summary and analysis of experience in the work: || tt||d. Summary of measures to improve the level of planning work, etc. 11.2 The summary and analysis of network plans should be systematized, and the summary and analysis data should be kept together with the network plan as archive data. Additional notes:
This standard was proposed by the State Administration of Technical Supervision of China and is under the jurisdiction of the China Institute of Standardization and Information Classification and Coding. This standard was drafted by the Liaoning Provincial Standard Information Research Institute, the China Architecture Society Coordination Management Research Institute, and the China Institute of Standardization and Information Classification and Coding.
The main drafters of this standard are Sui Jiu, Cong Peijing, Gong Xiangdong, Li Rong, and Zhang Sumei.392
When the resource intensity exceeds the supply possibility, adjustments should be made. The adjustment method is: adjust non-critical work to reduce resources. Within the allowable range of total time difference and under the premise of process permission, flexibly arrange the duration of non-critical work (such as extending the duration, changing the start and completion time or interrupting the progress, etc.).
8.2 After inspection and adjustment, the time parameters must be recalculated, and the time marked on the time parameter table and the network diagram must be modified. 8-3 According to the adjusted network diagram and the calculated time parameters, the redrawn network plan is the feasible network plan. 8.4 The feasible network plan can also be compiled into a time-scaled network plan. 8.5 In the feasible network plan, the key lines must be marked with the specified symbols. 9 Network plan optimization
The scheduled network plan generally needs to be optimized before it can be compiled into a formal network plan. When there is no optimization requirement, the scheduled network plan can be used as the formal network plan.
9.1 Determination of daily optimization targets
Optimization of monthly targets can be selected from the following: a. Optimization of construction period:
h. Optimization of “time-specified resource balance”:
Optimization of “constant resource intensity and shortest time”:
Optimization of “variable resource intensity and shortest time”;
Time and cost optimization.
9.2 Steps for network plan optimization
The optimization of network plan can generally be carried out in the following steps;
Determine the optimization target:
Select the optimization method:
Perform optimization calculation;
Review and make decisions on the optimization results.
9. 3 Prepare a formal network plan
Based on the optimized network plan, draw up a formal network plan to be implemented. 9. 3. 1
Prepare a network plan description, including: preparation instructions;
List of main plan indicators;
Key instructions for executing the plan!
Problems to be solved and main measures:
Other issues that need to be explained.
10 Implementation of the network plan
10.1 Implementation of the network plan
10.1.1 After submitting the formal network plan to the relevant departments for approval, you can organize implementation: 10.1.2 Establish a corresponding organizational guarantee system: 10.1.3 Organize publicity and implementation, and conduct necessary training 10.1.4 Implement each task in the network plan to the responsible unit, and the operational network plan must be implemented to the responsible person, and formulate corresponding specific measures to ensure the implementation of the plan.
10.2 Inspection and data collection during the execution of network plan 10.2.1 In order to control the execution of the plan, it is necessary to establish and improve the corresponding inspection system and execution data collection and reporting system, establish relevant GB/T 13400.3-92
data rate, and regularly, irregularly or in an emergency manner to inspect the execution of the network plan and collect and process relevant information data. 10.2.2 The main contents of the network plan inspection are: a. Key work progress,
b. The progress and time difference utilization of non-critical work; e. Changes in the relationship between the previous work and the previous work;
resource status;
cost status;
other existing problems,
10.2.3 The following methods can be used to record the implementation progress during the inspection: When the time-scale network is used, the "actual progress forward line" can be used to record: a
When the time-scale network is not used, it can be directly expressed on the diagram with text or appropriate symbols, or it can be recorded in a list. 10.2.4 Analyze the inspection results and the relevant data collected and feedback, and move the key , determine countermeasures and take corresponding measures. 10.3 Adjustment of network plan
1.3.1 When the valve plan deviates during execution, necessary adjustments must be made in time to ensure the smooth implementation of the plan. 10.3.2 The content of the network plan should include: a.
Adjustment of work duration;
Adjustment of work items:
Adjustment of resource intensity +
Cost control.
10.3.3 The main steps of network plan adjustment are: a.
According to the network plan execution, the records should be checked. Collect the analysis results of the feedback data, determine the object and goal of adjustment, select the appropriate adjustment method, and design the adjustment plan! Evaluate and make decisions on the adjustment plan:
Determine the new network plan to be implemented after the adjustment. 11 Summary and analysis of network plan
11.1 After the network plan task is completed, a summary and analysis must be conducted. The content of the summary and analysis mainly includes: the completion of each target, including the completion of time target, resource target, cost target, etc. h. 1. Analysis of problems and their causes in the work; Summary and analysis of experience in the work: || tt||d. Summary of measures to improve the level of planning work, etc. 11.2 The summary and analysis of network plans should be systematized, and the summary and analysis data should be kept together with the network plan as archive data. Additional notes:
This standard was proposed by the State Administration of Technical Supervision of China and is under the jurisdiction of the China Institute of Standardization and Information Classification and Coding. This standard was drafted by the Liaoning Provincial Standard Information Research Institute, the China Architecture Society Coordination Management Research Institute, and the China Institute of Standardization and Information Classification and Coding.
The main drafters of this standard are Sui Jiu, Cong Peijing, Gong Xiangdong, Li Rong, and Zhang Sumei.392
When the resource intensity exceeds the supply possibility, adjustments should be made. The adjustment method is: adjust non-critical work to reduce resources. Within the allowable range of total time difference and under the premise of process permission, flexibly arrange the duration of non-critical work (such as extending the duration, changing the start and completion time or interrupting the progress, etc.).
8.2 After inspection and adjustment, the time parameters must be recalculated, and the time marked on the time parameter table and the network diagram must be modified. 8-3 According to the adjusted network diagram and the calculated time parameters, the redrawn network plan is the feasible network plan. 8.4 The feasible network plan can also be compiled into a time-scaled network plan. 8.5 In the feasible network plan, the key lines must be marked with the specified symbols. 9 Network plan optimization
The scheduled network plan generally needs to be optimized before it can be compiled into a formal network plan. When there is no optimization requirement, the scheduled network plan can be used as the formal network plan.
9.1 Determination of daily optimization targets
Optimization of monthly targets can be selected from the following: a. Optimization of construction period:
h. Optimization of “time-specified resource balance”:
Optimization of “constant resource intensity and shortest time”:
Optimization of “variable resource intensity and shortest time”;
Time and cost optimization.
9.2 Steps for network plan optimization
The optimization of network plan can generally be carried out in the following steps;
Determine the optimization target:
Select the optimization method:
Perform optimization calculation;
Review and make decisions on the optimization results.
9. 3 Prepare a formal network plan
Based on the optimized network plan, draw up a formal network plan to be implemented. 9. 3. 1
Prepare a network plan description, including: preparation instructions;
List of main plan indicators;
Key instructions for executing the plan!
Problems to be solved and main measures:
Other issues that need to be explained.
10 Implementation of the network plan
10.1 Implementation of the network plan
10.1.1 After submitting the formal network plan to the relevant departments for approval, you can organize implementation: 10.1.2 Establish a corresponding organizational guarantee system: 10.1.3 Organize publicity and implementation, and conduct necessary training 10.1.4 Implement each task in the network plan to the responsible unit, and the operational network plan must be implemented to the responsible person, and formulate corresponding specific measures to ensure the implementation of the plan.
10.2 Inspection and data collection during the execution of network plan 10.2.1 In order to control the execution of the plan, it is necessary to establish and improve the corresponding inspection system and execution data collection and reporting system, establish relevant GB/T 13400.3-92
data rate, and regularly, irregularly or in an emergency manner to inspect the execution of the network plan and collect and process relevant information data. 10.2.2 The main contents of the network plan inspection are: a. Key work progress,
b. The progress and time difference utilization of non-critical work; e. Changes in the relationship between the previous work and the previous work;
resource status;
cost status;
other existing problems,
10.2.3 The following methods can be used to record the implementation progress during the inspection: When the time-scale network is used, the "actual progress forward line" can be used to record: a
When the time-scale network is not used, it can be directly expressed on the diagram with text or appropriate symbols, or it can be recorded in a list. 10.2.4 Analyze the inspection results and the relevant data collected and feedback, and move the key , determine countermeasures and take corresponding measures. 10.3 Adjustment of network plan
1.3.1 When the valve plan deviates during execution, necessary adjustments must be made in time to ensure the smooth implementation of the plan. 10.3.2 The content of the network plan should include: a.
Adjustment of work duration;
Adjustment of work items:
Adjustment of resource intensity +
Cost control.
10.3.3 The main steps of network plan adjustment are: a.
According to the network plan execution, the records should be checked. Collect the analysis results of the feedback data, determine the object and goal of adjustment, select the appropriate adjustment method, and design the adjustment plan! Evaluate and make decisions on the adjustment plan:
Determine the new network plan to be implemented after the adjustment. 11 Summary and analysis of network plan
11.1 After the network plan task is completed, a summary and analysis must be conducted. The content of the summary and analysis mainly includes: the completion of each target, including the completion of time target, resource target, cost target, etc. h. 1. Analysis of problems and their causes in the work; Summary and analysis of experience in the work: || tt||d. Summary of measures to improve the level of planning work, etc. 11.2 The summary and analysis of network plans should be systematized, and the summary and analysis data should be kept together with the network plan as archive data. Additional notes:
This standard was proposed by the State Administration of Technical Supervision of China and is under the jurisdiction of the China Institute of Standardization and Information Classification and Coding. This standard was drafted by the Liaoning Provincial Standard Information Research Institute, the China Architecture Society Coordination Management Research Institute, and the China Institute of Standa
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