BIM (Building Information Modeling) manages construction cost control through five key modules, each handling distinct types of information. For instance, the Construction Engineering Calculation module focuses on optimizing quantity estimations, while the Cost Calculation module analyzes drawing-related expenses. The Data Statistics and Analysis module gathers and organizes data throughout the construction process. The Data Statistics module plays a crucial role in reflecting the actual engineering work, and the BIM Recording System module brings all project participants together on a unified BIM platform for seamless communication and collaboration. Below is an overview of the functions of each BIM cost management module:
(1) Construction Engineering Calculation Module: This module enables BIM software to automatically generate bills of quantities by applying calculation rules, interpreting drawings, specifications, and other design requirements embedded in the 3D model. Utilizing data analysis features, alongside enterprise and construction quotas, it adopts a pricing model based on the bill of quantities to establish a foundational cost estimation framework.
(2) Cost Calculation Module: This module features two pricing approaches: linking the BIM model directly with the cost module or calculating project costs by matching programs according to the level of integration. BIM software typically includes a built-in cost function that incorporates real-world work experience, ensuring alignment between the model and actual conditions. Popular cost estimation tools such as Luban and Guanglianda currently support BIM integration.
(3) Data Statistics and Analysis Module: Primarily focused on data analysis and encryption, this module provides valuable insights for cost evaluation, target setting, and construction modeling. It enables early problem detection, corrective action implementation, and supports dynamic cost management throughout the project lifecycle.
(4) Data Statistics Module: Serving as the final step in cost management analysis, this module collects comprehensive data from the entire construction process in a standardized way. It compares and verifies the data against actual conditions to ensure accuracy and reliability.
(5) BIM Inclusion System Module: Leveraging the BIM database, this module analyzes overall project data and the application of various modules across the entire project team. It facilitates information sharing and communication among all stakeholders, driving the digitalization and automation of traditional cost management practices.
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