CN112258343B - BIM multi-dimensional distribution network engineering cost information collection system - Google Patents
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Abstract
The invention provides a BIM-based multidimensional distribution network engineering cost information collection system which comprises a data structure subsystem, a cost structure subsystem and a life cycle subsystem. In a comprehensive view, the cost information of any distribution network project is a space element in the multidimensional cube, and the space element is decomposed according to different dimensions and then projected onto each coordinate axis, so that the space information represents sub-information in the dimension. The system makes personalized cost information calling distribution and targeted output management functions by identifying the important requirements and the control differences of different participants on various cost information at different stages, realizes the comprehensive application of the cost information gathering system, and satisfies the co-construction sharing of the comprehensive information of the construction cost of the distribution network.
Description
Technical Field
The invention relates to the technical field of engineering cost management, in particular to a distribution network engineering cost information collection system based on BIM multi-dimension.
Background
The construction cost management work of the existing distribution network project is basically completed on a construction cost management system, and all the analysis, summarization, filling, classification, check and the like of various construction cost information data of the construction cost management system need manual operation, so that the whole process needs to consume a great deal of manpower and material resources, and the accuracy and timeliness of the information caliber are low; and the rating and billing modes coexist, the management mode and the billing requirement of each power grid company are different, and the requirements and the key points of different participators at different stages are also different, so that the cost analysis and project management of the distribution network project can be influenced. In particular, the main drawbacks of the prior art are as follows:
from the data structure, the data item division and the data structure hierarchy are not clear, the fixity and the standardization are lacked, the data information at each stage is scattered and disordered, and the secondary collection and analysis of the data are limited; the construction data is unitary and flattened, the characteristics of the engineering scale, the engineering technology and the like cannot be presented from multiple angles, the comprehensive and full-coverage analysis and excavation cannot be carried out, and a deep conclusion cannot be obtained;
from the aspect of cost structure, the estimation and budget are rated by a quota, and the bidding and settlement are rated by a list, and the two pricing modes are applied to different stages of cost management, so that inconvenience is brought to cost management and project management; the existing expense structure cannot intuitively reflect the rationality of the engineering structure subitem investment, and the construction cost level of each professional system, building expense and other parts in the engineering cannot be directly obtained;
from the life cycle, the manufacturing cost information of each stage and each participant of the distribution network project is dispersed and independent from each other, no intercommunication relation is established, the phenomenon of data barrier or information island is commonly existed, and a large amount of information cannot be well stored and utilized;
from the aspect of informatization sharing, most data materials are limited to engineering archiving of paper or electronic version materials at present, and a certain technical means is not adopted for effective processing, so that a large-cost data informatization platform and an information base are not established.
Disclosure of Invention
Accordingly, the present invention is directed to a system for collecting information of construction cost of a distribution network based on BIM multi-dimension, so as to solve the above problems in the prior art.
The utility model provides a join in marriage net engineering cost information collection system based on BIM multidimension, includes data structure subsystem, expense structure subsystem, life cycle subsystem, data structure subsystem is used for dividing the join in marriage net engineering type, expense structure subsystem is used for dividing the expense under the different pricing modes, the butt joint of engineering cost information and financial data, life cycle subsystem is used for sharing the management and the information co-construction of joining in marriage net engineering.
Further, the distribution network engineering type comprises power transformation engineering, overhead line engineering and cable line engineering.
Further, the data structure subsystem is further used for decomposing the WBS of the power transformation project, and generating a power transformation building module and a power transformation installation module after decomposing.
Furthermore, the data structure subsystem is also used for decomposing the WBS of the power transformation building module and outputting building, structure, site, water supply and drainage and fire control information after decomposition.
Further, the data structure subsystem is further used for decomposing the WBS of the power transformation installation module, and outputting the transformer, the station cable, the power distribution device, the station cable, the charging equipment and the communication automation information after decomposition.
Further, the data structure subsystem is further used for decomposing the WBS of the overhead line engineering, and generating a basic module, a pole tower module, an overhead line module and an auxiliary module after decomposing.
Further, the data structure subsystem is further used for performing WBS decomposition on the cable line engineering, and generating a cable building module and a cable installation module after decomposition.
Further, the construction steps of the fee structure subsystem are as follows
S1: expanding the cost elements of the labor cost;
s2: expanding a cost element of the material cost;
s3: adjusting the structure of the construction measure added cost element;
s4: other fee element divisions and rate criteria are optimized.
Further, the construction steps of the life cycle subsystem are as follows:
a1, building a cost information pool;
a2, carrying out index decomposition on technical indexes, economic indexes and social indexes of distribution network power transformation projects, overhead line projects and cable line projects;
a3: calling allocation and target output of indexes;
a4: and (3) each stage, each participant information flow export and application.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a BIM-based multidimensional distribution network engineering cost information collection system, which aims to effectively solve the problem of cost resource sharing between cross stages and cross modules and improve the working efficiency and quality of cost personnel. The multidimensional engineering cubes of the data structure subsystem, the expense structure subsystem and the life cycle subsystem of the distribution network engineering are used for fusing different requirements and key indexes of various types of cost information in different parties and different stages, so that data barriers and information islands are avoided, effective use and accumulation of the cost information are realized, and the information utilization value and efficiency are improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only preferred embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a distribution network engineering cost information collection system based on BIM multi-dimension according to the embodiment of the present invention.
Fig. 2 is a flowchart of a distribution network engineering cost information collecting system based on BIM multi-dimension according to the embodiment of the present invention.
Fig. 3 is an exploded view of a WBS of a distribution network based on a BIM multidimensional distribution network project cost information aggregation system according to an embodiment of the present invention.
Fig. 4 is an exploded view of a grid-connected overhead line engineering WBS of a grid-connected project cost information collection system based on BIM multidimensional according to an embodiment of the present invention.
Fig. 5 is an exploded view of a WBS of a distribution network cable line based on a BIM multidimensional distribution network project cost information collection system according to an embodiment of the present invention.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the illustrated embodiments are provided for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
Referring to fig. 1, the invention provides a building information collection system of a distribution network project based on BIM multi-dimension, which comprises a data structure subsystem, a cost structure subsystem and a life cycle subsystem, wherein the data structure subsystem is used for dividing the type of the distribution network project, the cost structure subsystem is used for dividing the cost in different pricing modes and butting project cost information and financial data, and the life cycle subsystem is used for managing and sharing information of the distribution network project.
The distribution network engineering type comprises a power transformation project, an overhead line project and a cable line project.
The data structure subsystem is also used for decomposing the WBS of the power transformation project, and generating a power transformation building module and a power transformation installation module after decomposing.
The data structure subsystem is also used for decomposing the WBS of the power transformation building module and outputting building, structure, site, water supply and drainage and fire fighting information after decomposition.
The data structure subsystem is also used for decomposing the WBS of the substation installation module, and outputting the transformer, the station cable, the power distribution device, the station cable, the charging equipment and the communication automation information after decomposition.
The data structure subsystem is also used for decomposing the WBS of the overhead line engineering, and generating a basic module, a pole tower module, an overhead line module and an auxiliary module after decomposing.
The data structure subsystem is also used for decomposing the WBS of the cable line engineering, and generating a cable building module and a cable installation module after decomposing.
The main idea of the data structure subsystem is to decompose the construction of the distribution network engineering project based on WBS work decomposition package according to the construction of the distribution network engineering real object and objective system, take the physical entity quantity of the electric equipment or the building as a basic unit, take the professional system of the engineering as a basic framework, and reflect the data structure of the engineering physical layer equipment and the building entity; classification refers to the re-selection within the physical entity of each type of electrical equipment or building, ultimately forming a complete data structure system.
For example, a transformer and a distribution device are generally existing in a distribution network transformation project, the transformer and the distribution device belong to 'necessary options', and the transformer and the distribution device are regarded as WBS decomposition at the same time, which is based on physical entity division of the project; in the transformer, if the terminal type, 315kVA and oil immersed European style box transformer is selected, other types of transformers are not generally existed, namely, the transformers of different types are generally in a one-to-one relationship and belong to a 'option', and the transformers of different types are regarded as classified. For another example, in a distribution network overhead line, the towers and foundations can be considered as WBS decomposition, because an overhead line project would typically have a foundation if there were a tower, the towers and foundations belonging to "must fill out items"; in general, only one of iron towers (angle steel towers) or cement poles is selected, and the iron towers and the cement poles belong to the "option filling item", so that the iron towers and the cement poles can be regarded as classification. The processing logic of the data structure subsystem is as follows:
firstly, according to principles of rationality, comprehensiveness, emphasis, operability and comparability, the distribution network engineering is divided into three parts of power transformation engineering, overhead line engineering and cable line engineering. This is divided based on the inherent properties of the distribution network engineering.
And secondly, respectively carrying out WBS decomposition on the three types of engineering. The method is a core link of the data structure subsystem, the main flow and the framework are formed at the same step, and the classification of the next link is further subdivided layer by layer based on the classification. The WBS decomposition of the distribution network transformation project is shown in figure 3.
(1) And decomposing WBS of the distribution network transformation project. According to an electrical system or a building system, the system is firstly divided into a power transformation installation module and a power transformation building module, and the power transformation building module and the power transformation installation module are continuously decomposed.
(a) And decomposing the WBS of the power transformation building module, and outputting building, structure, site, water supply and drainage and fire-fighting information after decomposing. The building can be further decomposed into general civil engineering, illumination, heating, ventilation and air conditioning, foundations, enclosing walls, gates, slope protection retaining walls and flood discharge ditches; the field can be further decomposed into roads and terraces, foundation treatment or field leveling; the water supply and drainage and fire fighting can be further decomposed into water supply and drainage and fire fighting. The decomposition principle is mainly the factors of functional attributes, physical structures, technical characteristics, construction process and the like of each building (structure).
(b) The WBS of the transformer installation module is decomposed, and then the transformer, the station cable, the power distribution device, the station cable, the charging equipment and the communication automation information are output. The distribution device can be further decomposed into a switching device, a reactive compensation device, a measurement and control protection device; the station cable can be further decomposed into a high voltage cable and a low voltage cable; the charging equipment can be further divided into quick charging equipment and slow charging equipment; communication automation can be further broken down into communication engineering, distribution automation, marketing systems. The decomposition principle is mainly the functional attribute, bearing function and other factors of each device.
(2) And decomposing WBS of the distribution network overhead line engineering. The overhead line engineering of the analog main network is generally classified into a tower engineering, a foundation engineering, a grounding engineering, a wiring engineering, an accessory engineering and an auxiliary engineering. Because the quantity of insulators, hardware fittings and the like of the distribution network overhead line is small, the investment occupation ratio is small, and a plurality of insulators, hardware fittings and the like are directly installed along with the cement pole, the accessory engineering cost can be combined with the pole tower engineering; similarly, the grounding engineering quantity and the cost of the distribution network overhead line are smaller, and the grounding engineering cost can be combined with the pole tower engineering; the auxiliary engineering mainly comprises a slope protection, a retaining wall and a drainage ditch, and the auxiliary engineering is used as a module independently. Therefore, the WBS method is used for being decomposed into a foundation project, a pole tower project, a wire erection project and an auxiliary project by combining the characteristics of the wire distribution overhead line. The WBS of the distribution network overhead line project is shown in exploded view in fig. 4.
(3) And decomposing WBS of the distribution network cable line engineering. Adopting the same decomposition thought as the distribution network power transformation project and the overhead line project, and decomposing the building modules downwards in sequence, wherein the building modules can be decomposed into cables for direct burial, cable calandria, cable trenches, jacking pipes, cable tunnels and cable wells; the installation module can be decomposed into cabling and cable head installation. The distribution network cabling engineering WBS is shown in exploded view in fig. 5.
And thirdly, further classifying the distribution network power transformation project, the overhead line project and the cable line project after WBS decomposition. The link is carried out on the basis of the second step, more detailed classification is carried out on the work packages decomposed by each type of engineering, and subdivision is continued until the structural units at the bottom layer are selected according to different types of engineering. The actual cost data is also formed by combining the lowest cost units layer by layer upwards. In the management process, the data of the bottommost structural unit is encoded, so that the uniqueness and the integrity of the data can be ensured, and the data can be searched or identified quickly. The BIM concept based on engineering physical components is satisfied through the downward decomposition and upward combination processes, and the limitation of the existing data on the construction cost of the distribution network and the engineering management is avoided. Where the lowest structural element is the rightmost element of the data structure dimension in fig. 1.
The construction steps of the expense structure subsystem are as follows
S1: expanding the cost elements of the labor cost;
s2: expanding a cost element of the material cost;
s3: adjusting the structure of the construction measure added cost element;
s4: other fee element divisions and rate criteria are optimized.
The cost structure subsystem mainly solves the problem of unreasonable engineering cost division caused by different pricing modes, and further meets the common compiling and sharing of cost information, standard pricing standards and architectures, and opens up the butt joint of the cost and financial data. The distribution network engineering construction and installation engineering fee system can be divided into five categories of branch engineering fees, measure project fees, other project fees, gauge fees and tax according to the construction cost forming division by combining the characteristics of quota and inventory pricing. The fee structure subsystem is based on the current pricing architecture and optimizes and perfects key components therein. The method comprises the following steps:
first, the cost factor of the labor cost is expanded. The basic elements such as social insurance fees, housing public accumulation funds, work party expenses, employee education expenses and the like are listed in the artificial fees; the rated payroll price is associated with market information, and is dynamically adjusted according to actual conditions, so that timeliness of manufacturing cost is guaranteed.
And secondly, expanding the cost factor of the material cost. The main materials and the consumable materials are combined into the original price of the materials, and the original price of the materials is related to the market price of the materials through a cost information network, so that the real-time property and the dynamic property of the cost information are ensured; the arrangement of increasing the material delivery fees comprises material transportation fees, insurance quotation fees, transportation damage fees, purchasing fees and storage fees, and the division of material fee elements is optimized according to actual conditions and connected with market resources.
And thirdly, adjusting the structure of the construction measure increasing cost element. Basic elements such as construction increasing fee in winter and rainy season, night construction increasing fee, tool using fee of construction tool, construction increasing fee in special area, temporary facility fee and the like are combined into construction measure increasing fee, and are related to past settlement data of enterprises, quotation is automatically calculated, and fairness and market competition are increased.
And step four, optimizing other part of expense items and fees. Optimizing cost elements such as bidding fees, supervision fees, engineering insurance fees, project post-evaluation fees and the like; and canceling the setting of the flat rate standard, and counting according to the actual requirements of engineering.
Based on the improvement, the cost structure subsystem can integrate technical data and cost information by means of the thinking of BIM technology, and plays a role in laying a cushion for the establishment of a large-data cost system platform in a full life cycle.
The construction steps of the life cycle subsystem are as follows:
a1, building a cost information pool;
a2, carrying out index decomposition on technical indexes, economic indexes and social indexes of distribution network power transformation projects, overhead line projects and cable line projects;
a3: calling allocation and target output of indexes;
a4: and (3) each stage, each participant information flow export and application.
The life cycle subsystem refers to the common building and sharing of full life cycle engineering management and information. Because of the staged nature of construction cost, the management and control of the construction cost information of the distribution network must start from the early stage of construction engineering, and extend through the whole process from estimation, design and construction to completion. According to the requirements of different participants in different stages, different cost information calling allocation and targeted output management are formulated, so that the key management requirements of each stage can be analyzed, and key management factors or control indexes affecting the construction cost of the distribution network in different stages can be effectively identified. The method comprises the following steps:
the first step, combining various information of the data structure subsystem and the expense structure subsystem to build a cost information pool which comprises various technical indexes, economic indexes and social indexes.
And secondly, carrying out index decomposition on technical indexes, economic indexes and social indexes of distribution network power transformation engineering, overhead line engineering and cable line engineering.
(e) The technical indexes of the distribution network transformation project comprise the number of box transformer stations, incoming and outgoing lines, the area of structures and the field level engineering quantity; the economic indexes comprise static investment, dynamic investment, construction engineering cost, installation engineering cost and equipment acquisition cost; the social class index comprises construction time, region and service object.
(f) The technical indexes of the distribution network overhead line project comprise line length, tower base number, wire section and foundation type; the economic indexes comprise basic engineering fees, tower engineering fees, overhead engineering fees, grounding engineering fees, accessory engineering fees and auxiliary engineering fees; the social class index comprises construction time, region and service object.
(g) The technical indexes of the distribution network cable line engineering comprise line length, terminal head number, middle joint number, calandria length and work well number; the economic indexes comprise static investment, dynamic investment, construction engineering cost of a single kilometer and installation engineering cost of a single kilometer; the social class index comprises construction time, region and service object.
And thirdly, designing a layering calculation and distribution function according to different key control indexes and key management requirements at different stages of grinding, designing, bidding, constructing and completing settlement, setting identification parameters, establishing an automatic extraction and screening relation, and realizing the calling distribution and targeted output management of indexes according to different requirements.
And step four, exporting and applying comprehensive cost information. And further integrating each participating party such as an owner planning part, a basic building part, a design unit, a review unit, a construction unit and the like, calling and distributing a management model according to the distribution network cost data information established in the integrated system, setting information flows participating in full life cycle circulation, and forming application programs such as a data export template, a data index table generation, a data curve generation, a data analysis report generation and the like of each participating party. The comprehensive application of the cost information collection system is realized by showing the analysis result and the feedback result of the full life cycle information data in the forms of a graph, a table, a line, a report and the like.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (6)
1. The BIM multi-dimensional distribution network project cost information collection system is characterized by comprising a data structure subsystem, a cost structure subsystem and a life cycle subsystem, wherein the data structure subsystem is used for dividing distribution network project types, the cost structure subsystem is used for dividing the cost in different pricing modes and butting project cost information and financial data, the life cycle subsystem is used for sharing management and information of the distribution network project, the data structure subsystem is also used for performing WBS decomposition on a power transformation project, generating a power transformation building module and a power transformation installation module after decomposition, outputting building, structure, site, water supply and drainage and fire control information after decomposition, and outputting a transformer, a station cable and communication automation information after decomposition.
2. The BIM-based multidimensional distribution network project cost information collection system according to claim 1, wherein the distribution network project types comprise power transformation projects, overhead line projects and cable line projects.
3. The BIM-based multidimensional distribution network project cost information collection system according to claim 2, wherein the data structure subsystem is further used for performing WBS decomposition on overhead line projects, and generating a base module, a pole tower module, an overhead line module and an auxiliary module after decomposition.
4. The building information aggregation system of distribution network engineering based on BIM according to claim 2, wherein the data structure subsystem is further used for performing WBS decomposition on the cable line engineering, and generating a cable building module and a cable installation module after decomposition.
5. The BIM-based multidimensional distribution network project cost information collection system as recited in claim 1, wherein the fee structure subsystem is constructed as follows
S1: expanding the cost elements of the labor cost;
s2: expanding a cost element of the material cost;
s3: adjusting the structure of the construction measure added cost element;
s4: other fee element divisions and rate criteria are optimized.
6. The building information collecting system for the Building Information Management (BIM) -based multidimensional distribution network project according to claim 2, wherein the life cycle subsystem is constructed by the following steps:
a1, building a cost information pool;
a2, carrying out index decomposition on technical indexes, economic indexes and social indexes of distribution network power transformation projects, overhead line projects and cable line projects;
a3: calling allocation and target output of indexes;
a4: and (3) each stage, each participant information flow export and application.
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| CN105989546A (en) * | 2016-04-13 | 2016-10-05 | 国网吉林省电力有限公司经济技术研究院 | Power transmission and transformation construction cost basic data collection and analysis system |
| CN107844962A (en) * | 2017-11-24 | 2018-03-27 | 广东电网有限责任公司电网规划研究中心 | A kind of distribution Construction Cost Data based on standard data structure collects system |
| CN108256745A (en) * | 2017-12-28 | 2018-07-06 | 广州建软科技股份有限公司 | A kind of metering design Life cycle managing and control system |
| CN109447466A (en) * | 2018-10-29 | 2019-03-08 | 广东电网有限责任公司 | A kind of overall process visualization managing and control system based on Distribution Network Communication network construction |
| CN109472481A (en) * | 2018-10-31 | 2019-03-15 | 广东电网有限责任公司 | A kind of mesolow distribution engineering overall process stream compression method and device |
| CN111738760A (en) * | 2020-06-19 | 2020-10-02 | 内蒙古电力（集团）有限责任公司内蒙古电力经济技术研究院分公司 | Power grid cost overall process management system |
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