CN114862363A - Evaluation analysis method based on substation project cost data analysis - Google Patents
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Abstract
The invention belongs to the technical field of power transmission and transformation projects, in particular to a method for analyzing, reviewing and analyzing construction cost data based on a transformation project, which comprises the following steps: acquiring historical construction cost data of a power transformation project in a current target area; preprocessing the acquired historical construction cost data of the power transformation project; uploading power transformation project data; analyzing factors influencing the construction cost of the power transformation project; carrying out comparative analysis; establishing a two-dimensional engineering drawing of the power transformation engineering according to the analysis result, and establishing a BIM (building information modeling) model of the power transformation engineering through the two-dimensional engineering drawing; the analysis, review and analysis method for the power transformation project cost data can realize classification comparison and analysis of historical cost data of the power transformation project, factor analysis influencing the power transformation project cost and fluctuation range analysis of the cost data, can greatly improve the accuracy of comprehensive estimation of the power transmission and transformation project cost, simultaneously establishes a BIM (building information modeling) model of the power transformation project, can more intuitively master the project building information, and greatly improves the efficiency and accuracy of project cost estimation.
Description
Technical Field
The invention belongs to the technical field of power transmission and transformation projects, and particularly relates to a power transformation project cost data analysis, review and analysis method.
Background
The transmission and transformation, which is power transmission from a power plant to a power grid, is to raise low voltage (such as 50 ten thousand volts) to carry out remote transmission, the higher the same power voltage is, the smaller the current is, the lower the current is, the loss on the power line is small, the whole body formed by the substations of various voltages and transmission and distribution lines in the power system is called as a power grid, and the power grid comprises three units of power transformation, power transmission and power distribution, and the tasks of the power grid are to transmit and distribute electric energy and change voltage.
The project cost refers to the construction cost of the project estimated or actually paid in the construction period, the working processes of predicting, planning, controlling, accounting, analyzing and evaluating the project cost and the like are called as project cost management by comprehensively using knowledge and skills in the aspects of management, economics, engineering technology and the like; the prediction or determination of the construction cost and its constituent contents according to procedures, methods and bases prescribed by laws, regulations and standards, etc., is called project pricing, and the project pricing bases include project measurement pricing standards, project pricing quotations, project cost information, etc., which are related to the pricing contents, pricing methods and price standards.
The original construction cost of the power transmission and transformation project is comprehensively estimated by using the material price of the power transmission and transformation project materials on the market, and because the data of the material price can generate large fluctuation at different stages, the comprehensive estimation only by using the material price of the power transmission and transformation project materials on the market inevitably has large error, the situation of large exceeding budget is easy to occur, and the adverse effect is generated on the post bidding task and the construction process.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a power transformation project cost data analysis and review analysis method, which has the characteristics of convenience in operation and high estimation precision.
In order to achieve the purpose, the invention provides the following technical scheme: a method for analyzing, reviewing and analyzing construction cost data based on a power transformation project comprises a power transformation project historical construction cost data acquisition module, a power transformation project historical construction cost data preprocessing module, a power transformation project data uploading module, a power transformation project construction cost influence factor analysis module, a power transformation project construction cost comparison analysis module, a BIM module, a power transformation project construction cost analysis and review module, a power transformation project construction cost determination module and a power transformation project construction cost output module, wherein the method for analyzing, reviewing and analyzing the power transformation project construction cost data comprises the following steps:
the method comprises the following steps: acquiring historical construction cost data of a power transformation project in a current target area;
step two: preprocessing the acquired historical construction cost data of the power transformation project, and storing the preprocessed result in a database;
step three: uploading power transformation project data;
step four: analyzing factors influencing the construction cost of the power transformation project;
step five: comparing and analyzing the uploaded power transformation project data and the preprocessed power transformation project historical cost data according to the analysis result of the step four, and storing the analysis result into a database;
step six: establishing a two-dimensional engineering drawing of the power transformation engineering according to the analysis result, and establishing a BIM (building information modeling) model of the power transformation engineering through the two-dimensional engineering drawing;
step seven: carrying out automatic cost evaluation and analysis on the cost of the power transformation project according to the analysis result to obtain the estimated cost of the power transformation project;
step eight: calculating the final project cost according to the estimated cost of the power transformation project and the fluctuation range of the cost data, determining the final price interval of the power transformation project, and associating the final price interval with a BIM (building information modeling) model of the power transformation project;
step nine: and outputting the final price interval and a BIM model of the power transformation project.
As a preferred technical scheme of the invention, the historical construction cost data of the power transformation project is the historical construction cost data of the power transformation project of nearly five years in the current target area.
As a preferred technical solution of the present invention, in the second step, the preprocessing includes classifying the acquired historical cost data of the power transformation project, comparing the historical cost data of the power transformation project of different classifications to determine a fluctuation range, and performing weighting processing on the historical cost data of the power transformation project of different classifications to determine the closest data.
As a preferred technical solution of the present invention, in step three, the uploaded power transformation project data includes power transformation project construction parameter information, power transformation project building information, required material information, and labor cost.
As a preferred technical scheme of the invention, in the fourth step, factors influencing the construction cost of the power transformation project comprise human measurement and calculation errors, material labor, organization personnel management capability and environmental factors.
As a preferred technical scheme of the invention, the environmental factors comprise the altitude, the temperature and the humidity, the precipitation, the wind power and the soil quality condition of the current target area.
As a preferred technical solution of the present invention, in the fifth step, the comparing and analyzing the uploaded power transformation project data and the preprocessed power transformation project historical cost data specifically includes: the uploaded power transformation project data are classified, the classified power transformation project data and the historical power transformation project cost data are independently compared, and the comparison and analysis results are stored in a database.
As a preferred technical scheme of the invention, the result of the comparative analysis is stored in a database in the form of a tree diagram, an Excel table or a sector diagram.
As a preferred technical solution of the present invention, in step six, establishing a BIM model of the power transformation project specifically includes: establishing a two-dimensional engineering drawing of the power transformation engineering, establishing a BIM (building information modeling) model of the power transformation engineering according to the two-dimensional engineering drawing and the classified power transformation engineering cost data, and adding the classified power transformation engineering costs to obtain the total budget of the power transformation engineering cost.
As a preferred technical scheme of the invention, the total construction cost budget of the power transformation project comprises a total material price and a total construction price, wherein the total material price comprises a total building material price, and the total construction price comprises a labor cost, a construction contract cost, a personnel management cost and a maintenance cost.
Compared with the prior art, the invention has the beneficial effects that: the analysis, review and analysis method for the power transformation project cost data can realize classification comparison and analysis of historical cost data of the power transformation project, factor analysis influencing the power transformation project cost and fluctuation range analysis of the cost data, can greatly improve the accuracy of comprehensive estimation of the power transmission and transformation project cost, simultaneously establishes a BIM (building information modeling) model of the power transformation project, can more intuitively master the project building information, and greatly improves the efficiency and accuracy of project cost estimation.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic flow diagram of an analytical review analysis method of the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1, the present invention provides the following technical solutions: a method for analyzing, reviewing and analyzing construction cost data based on a power transformation project comprises a power transformation project historical construction cost data acquisition module, a power transformation project historical construction cost data preprocessing module, a power transformation project data uploading module, a power transformation project construction cost influence factor analysis module, a power transformation project construction cost comparison analysis module, a BIM module, a power transformation project construction cost analysis and review module, a power transformation project construction cost determination module and a power transformation project construction cost output module, wherein the method for analyzing, reviewing and analyzing the power transformation project construction cost data comprises the following steps:
the method comprises the following steps: acquiring historical construction cost data of a power transformation project in a current target area, wherein the historical construction cost data of the power transformation project is the historical construction cost data of the power transformation project in the current target area in the last five years;
step two: preprocessing the acquired historical construction cost data of the power transformation project, and storing a preprocessing result into a database, wherein the preprocessing comprises classifying the acquired historical construction cost data of the power transformation project, comparing the historical construction cost data of the power transformation project of different classifications to determine a fluctuation range, and weighting the historical construction cost data of the power transformation project of different classifications to determine the closest data;
step three: uploading power transformation engineering data, wherein the uploaded power transformation engineering data comprise power transformation engineering construction parameter information, power transformation engineering building information, required material information and labor cost;
step four: analyzing factors influencing the construction cost of the power transformation project, wherein the factors influencing the construction cost of the power transformation project comprise human measurement and calculation errors, material labor, organization personnel management capacity and environmental factors;
step five: through the analysis result of the fourth step, the uploaded power transformation project data and the preprocessed power transformation project historical cost data are contrastively analyzed, and the analysis result is stored in a database, wherein the contrastively analyzing the uploaded power transformation project data and the preprocessed power transformation project historical cost data specifically comprises the following steps: classifying the uploaded power transformation project data, independently comparing the classified power transformation project data with historical construction cost data of the power transformation project, and storing a comparison analysis result into a database;
step six: establishing a two-dimensional engineering drawing of the power transformation engineering according to the analysis result, and establishing a BIM (building information modeling) model of the power transformation engineering through the two-dimensional engineering drawing;
step seven: carrying out automatic cost evaluation and analysis on the cost of the power transformation project according to the analysis result to obtain the estimated cost of the power transformation project;
step eight: calculating the final project cost according to the estimated cost of the power transformation project and the fluctuation range of the cost data, determining the final price interval of the power transformation project, and associating the final price interval with a BIM (building information modeling) model of the power transformation project;
step nine: and outputting the final price interval and a BIM model of the power transformation project.
Specifically, according to fig. 1, in the present embodiment, the environmental factors include an altitude, a temperature, a humidity, a precipitation amount, a wind power level, and a soil quality condition of the current target area.
Specifically, as shown in fig. 1, in the fifth embodiment, the result of the comparison analysis is stored in the database in the form of a tree diagram in step five.
Specifically, as shown in fig. 1, in the sixth step of the present embodiment, the building a BIM model of the power transformation project specifically includes: the method comprises the steps of establishing a two-dimensional engineering drawing of a power transformation project, establishing a BIM (building information modeling) model of the power transformation project through the two-dimensional engineering drawing and power transformation project cost classification data, and adding classified power transformation project costs to obtain a total power transformation project cost budget, wherein the total power transformation project cost budget comprises a total material price and a total construction price, the total material price comprises a total building material price, and the total construction price comprises labor cost, construction contract cost, personnel management cost and maintenance cost.
Example 2
Referring to fig. 1, the present invention provides the following technical solutions: a method for analyzing, reviewing and analyzing construction cost data based on a power transformation project comprises a power transformation project historical construction cost data acquisition module, a power transformation project historical construction cost data preprocessing module, a power transformation project data uploading module, a power transformation project construction cost influence factor analysis module, a power transformation project construction cost comparison analysis module, a BIM module, a power transformation project construction cost analysis and review module, a power transformation project construction cost determination module and a power transformation project construction cost output module, wherein the method for analyzing, reviewing and analyzing the power transformation project construction cost data comprises the following steps:
the method comprises the following steps: acquiring historical construction cost data of a power transformation project in a current target area, wherein the historical construction cost data of the power transformation project is the historical construction cost data of the power transformation project in the current target area in the last five years;
step two: preprocessing the acquired historical construction cost data of the power transformation project, and storing a preprocessing result into a database, wherein the preprocessing comprises classifying the acquired historical construction cost data of the power transformation project, comparing the historical construction cost data of the power transformation project with different classifications to determine a fluctuation range, and weighting the historical construction cost data of the power transformation project with different classifications to determine the closest data;
step three: uploading power transformation engineering data, wherein the uploaded power transformation engineering data comprise power transformation engineering construction parameter information, power transformation engineering building information, required material information and labor cost;
step four: analyzing factors influencing the construction cost of the power transformation project, wherein the factors influencing the construction cost of the power transformation project comprise human measurement and calculation errors, material labor, organization personnel management capacity and environmental factors;
step five: through the analysis result of the fourth step, the uploaded power transformation project data and the preprocessed power transformation project historical cost data are contrastively analyzed, and the analysis result is stored in a database, wherein the contrastively analyzing the uploaded power transformation project data and the preprocessed power transformation project historical cost data specifically comprises the following steps: classifying the uploaded power transformation project data, independently comparing the classified power transformation project data with historical construction cost data of the power transformation project, and storing a comparison analysis result into a database;
step six: establishing a two-dimensional engineering drawing of the power transformation engineering according to the analysis result, and establishing a BIM (building information modeling) model of the power transformation engineering through the two-dimensional engineering drawing;
step seven: carrying out automatic cost evaluation and analysis on the cost of the power transformation project according to the analysis result to obtain the estimated cost of the power transformation project;
step eight: calculating the final project cost according to the estimated cost of the power transformation project and the fluctuation range of the cost data, determining the final price interval of the power transformation project, and associating the final price interval with a BIM (building information modeling) model of the power transformation project;
step nine: and outputting the final price interval and a BIM model of the power transformation project.
Specifically, according to fig. 1, in the present embodiment, the environmental factors include an altitude, a temperature, a humidity, a precipitation amount, a wind power level, and a soil quality condition of the current target area.
Specifically, as shown in fig. 1, in the present embodiment, in the fifth step, the result of the comparative analysis is stored in the database in the form of an Excel table.
Specifically, as shown in fig. 1, in the sixth step of the present embodiment, the building a BIM model of the power transformation project specifically includes: the method comprises the steps of establishing a two-dimensional engineering drawing of a power transformation project, establishing a BIM (building information modeling) model of the power transformation project through the two-dimensional engineering drawing and power transformation project cost classification data, and adding classified power transformation project costs to obtain a power transformation project cost total budget, wherein the power transformation project cost total budget comprises a material total price and a construction total price, the material total price comprises a building material total price, and the construction total price comprises human cost, construction contract cost, personnel management cost and maintenance cost.
Example 3
Referring to fig. 1, the present invention provides the following technical solutions: a method for analyzing, reviewing and analyzing construction cost data based on a power transformation project comprises a power transformation project historical construction cost data acquisition module, a power transformation project historical construction cost data preprocessing module, a power transformation project data uploading module, a power transformation project construction cost influence factor analysis module, a power transformation project construction cost comparison analysis module, a BIM module, a power transformation project construction cost analysis and review module, a power transformation project construction cost determination module and a power transformation project construction cost output module, wherein the method for analyzing, reviewing and analyzing the power transformation project construction cost data comprises the following steps:
the method comprises the following steps: acquiring historical construction cost data of a power transformation project in a current target area, wherein the historical construction cost data of the power transformation project is the historical construction cost data of the power transformation project in the current target area in the last five years;
step two: preprocessing the acquired historical construction cost data of the power transformation project, and storing a preprocessing result into a database, wherein the preprocessing comprises classifying the acquired historical construction cost data of the power transformation project, comparing the historical construction cost data of the power transformation project with different classifications to determine a fluctuation range, and weighting the historical construction cost data of the power transformation project with different classifications to determine the closest data;
step three: uploading power transformation engineering data, wherein the uploaded power transformation engineering data comprise power transformation engineering construction parameter information, power transformation engineering building information, required material information and labor cost;
step four: analyzing factors influencing the construction cost of the power transformation project, wherein the factors influencing the construction cost of the power transformation project comprise human measurement and calculation errors, material labor, organization personnel management capacity and environmental factors;
step five: through the analysis result of the fourth step, the uploaded power transformation project data and the preprocessed power transformation project historical cost data are contrastively analyzed, and the analysis result is stored in a database, wherein the contrastively analyzing the uploaded power transformation project data and the preprocessed power transformation project historical cost data specifically comprises the following steps: classifying the uploaded power transformation project data, independently comparing the classified power transformation project data with historical construction cost data of the power transformation project, and storing a comparison analysis result into a database;
step six: establishing a two-dimensional engineering drawing of the power transformation engineering according to the analysis result, and establishing a BIM (building information modeling) model of the power transformation engineering through the two-dimensional engineering drawing;
step seven: carrying out automatic cost evaluation and analysis on the cost of the power transformation project according to the analysis result to obtain the estimated cost of the power transformation project;
step eight: calculating the final project cost according to the estimated cost of the power transformation project and the fluctuation range of the cost data, determining the final price interval of the power transformation project, and associating the final price interval with a BIM (building information modeling) model of the power transformation project;
step nine: and outputting the final price interval and a BIM model of the power transformation project.
Specifically, according to fig. 1, in the present embodiment, the environmental factors include an altitude, a temperature, a humidity, a precipitation amount, a wind power level, and a soil quality condition of the current target area.
Specifically, as shown in fig. 1, in the present embodiment, in step five, the result of the comparison analysis is stored in the database in the form of a sector graph.
Specifically, as shown in fig. 1, in the sixth step of the present embodiment, the building a BIM model of the power transformation project specifically includes: the method comprises the steps of establishing a two-dimensional engineering drawing of a power transformation project, establishing a BIM (building information modeling) model of the power transformation project through the two-dimensional engineering drawing and power transformation project cost classification data, and adding classified power transformation project costs to obtain a power transformation project cost total budget, wherein the power transformation project cost total budget comprises a material total price and a construction total price, the material total price comprises a building material total price, and the construction total price comprises human cost, construction contract cost, personnel management cost and maintenance cost.
In all examples shown and described herein, any particular value should be construed as merely exemplary, and not as a limitation, and thus other examples of example embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "disposed," "provided," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements can be directly connected or indirectly connected through an intermediate medium, and the two elements can be communicated with each other, so that the specific meaning of the terms in the invention can be understood by those skilled in the art.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A method for analyzing, reviewing and analyzing cost data based on power transformation projects is characterized by comprising the following steps: the method comprises a power transformation project historical cost data acquisition module, a power transformation project historical cost data preprocessing module, a power transformation project data uploading module, a power transformation project cost influence factor analysis module, a power transformation project cost comparison analysis module, a BIM module, a power transformation project cost analysis and review module, a power transformation project cost determination module and a power transformation project cost output module, wherein the power transformation project cost data analysis and review analysis method comprises the following steps:
the method comprises the following steps: acquiring historical construction cost data of a power transformation project in a current target area;
step two: preprocessing the acquired historical construction cost data of the power transformation project, and storing the preprocessed result in a database;
step three: uploading power transformation project data;
step four: analyzing factors influencing the construction cost of the power transformation project;
step five: comparing and analyzing the uploaded power transformation project data and the preprocessed power transformation project historical cost data according to the analysis result of the step four, and storing the analysis result into a database;
step six: establishing a two-dimensional engineering drawing of the power transformation engineering according to the analysis result, and establishing a BIM (building information modeling) model of the power transformation engineering through the two-dimensional engineering drawing;
step seven: carrying out automatic cost evaluation and analysis on the cost of the power transformation project according to the analysis result to obtain the estimated cost of the power transformation project;
step eight: calculating the final project cost according to the estimated cost of the power transformation project and the fluctuation range of the cost data, determining the final price interval of the power transformation project, and associating the final price interval with a BIM (building information modeling) model of the power transformation project;
step nine: and outputting the final price interval and a BIM model of the power transformation project.
2. The analysis, review and analysis method based on the transformation project cost data according to claim 1, characterized in that: the historical construction cost data of the power transformation project is the historical construction cost data of the power transformation project in the current target area in nearly five years.
3. The analysis, review and analysis method based on the transformation project cost data according to claim 1, characterized in that: and in the second step, the preprocessing comprises classifying the acquired historical construction cost data of the power transformation project, comparing the historical construction cost data of the power transformation project with different classifications to determine a fluctuation range, and weighting the historical construction cost data of the power transformation project with different classifications to determine the closest data.
4. The analysis, review and analysis method based on the transformation project cost data according to claim 1, characterized in that: in the third step, the uploaded power transformation project data comprise power transformation project construction parameter information, power transformation project building information, required material information and labor cost.
5. The analysis, review and analysis method based on the transformation project cost data according to claim 1, characterized in that: in the fourth step, the factors influencing the construction cost of the power transformation project comprise human measurement and calculation errors, material labor, management capacity of organization personnel and environmental factors.
6. The analysis, review and analysis method based on the transformation project cost data according to claim 5, characterized in that: the environmental factors include the altitude, the temperature and humidity, the precipitation, the wind power and the soil quality of the current target area.
7. The analysis, review and analysis method based on the transformation project cost data according to claim 1, characterized in that: in the fifth step, the comparing and analyzing the uploaded power transformation project data and the preprocessed power transformation project historical cost data specifically comprises the following steps: the uploaded power transformation project data are classified, the classified power transformation project data and the historical power transformation project cost data are independently compared, and the comparison and analysis results are stored in a database.
8. The analysis, review and analysis method based on the transformation project cost data according to claim 7, characterized in that: the results of the comparative analysis are stored in a database in the form of a tree chart, an Excel table or a sector chart.
9. The analysis, review and analysis method based on the transformation project cost data according to claim 1, characterized in that: in the sixth step, the building of the BIM model of the power transformation project specifically includes: establishing a two-dimensional engineering drawing of the power transformation engineering, establishing a BIM (building information modeling) model of the power transformation engineering according to the two-dimensional engineering drawing and the classified power transformation engineering cost data, and adding the classified power transformation engineering costs to obtain the total budget of the power transformation engineering cost.
10. The analysis, review and analysis method based on the transformation project cost data according to claim 9, characterized in that: the total construction cost budget of the power transformation project comprises a total material price and a total construction price, wherein the total material price comprises a total building material price, and the total construction price comprises a labor cost, a construction contract cost, a personnel management cost and a maintenance cost.
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Cited By (2)
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| CN115713371A (en) * | 2022-11-07 | 2023-02-24 | 国网宁夏电力有限公司经济技术研究院 | Cost determination method based on automatic calculation amount of power transmission and transformation project and electronic equipment |
| CN116595322A (en) * | 2022-11-02 | 2023-08-15 | 浙江明达工程造价咨询有限公司 | Intelligent engineering cost management system and system based on big data |
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| US20170308934A1 (en) * | 2016-04-22 | 2017-10-26 | Economy Research Institute of State Grid Zhejiang Electric Power | Management method of power engineering cost |
| CN111191996A (en) * | 2018-11-14 | 2020-05-22 | 国网江苏电力设计咨询有限公司 | BIM-based dynamic cost management method for whole process of power transmission and transformation project |
| CN114022005A (en) * | 2021-11-10 | 2022-02-08 | 郭艳芳 | BIM technology-based engineering cost management system and method |
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| US20170308934A1 (en) * | 2016-04-22 | 2017-10-26 | Economy Research Institute of State Grid Zhejiang Electric Power | Management method of power engineering cost |
| CN111191996A (en) * | 2018-11-14 | 2020-05-22 | 国网江苏电力设计咨询有限公司 | BIM-based dynamic cost management method for whole process of power transmission and transformation project |
| CN114022005A (en) * | 2021-11-10 | 2022-02-08 | 郭艳芳 | BIM technology-based engineering cost management system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116595322A (en) * | 2022-11-02 | 2023-08-15 | 浙江明达工程造价咨询有限公司 | Intelligent engineering cost management system and system based on big data |
| CN116595322B (en) * | 2022-11-02 | 2023-10-20 | 浙江明达工程造价咨询有限公司 | Intelligent engineering cost management system based on big data |
| CN115713371A (en) * | 2022-11-07 | 2023-02-24 | 国网宁夏电力有限公司经济技术研究院 | Cost determination method based on automatic calculation amount of power transmission and transformation project and electronic equipment |
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