While BIM technology is primarily applied during the design and construction phases, its use in subway engineering remains relatively limited compared to building construction projects. However, this does not mean that BIM technology is unnecessary for subway projects.
At the early stages of project construction, creating a construction organization plan is crucial for executing construction activities efficiently and scientifically. This plan clearly outlines the project’s construction strategy, workflow, schedule, labor allocation, and detailed material consumption and supply arrangements.
Additionally, the plan includes site organization, specifying locations for material storage, temporary facilities, and machinery based on the construction process. By simulating the site environment before work begins, it allows for a thorough analysis of subcontractor interfaces, overlaps in work processes, and timing for site entry and exit.
From this, a well-structured on-site construction schedule and spatial layout can be developed to minimize conflicts during construction. The construction organization plan standardizes project management, optimizes workflows, enhances site safety, and improves both efficiency and economic outcomes.
BIM technology supports this by simulating the construction environment according to the workflow, synchronizing visualization with data management, and providing comprehensive control over project progress and actual conditions. Visual management through BIM proves especially advantageous for projects with tight schedules.
During construction, the complexity of subway station pipeline equipment can be managed by utilizing BIM models from the design phase. Equipment is classified and coded with QR tags before arriving on site. Project managers can then use mobile devices to access BIM models on-site, offering clear visualization of equipment locations and installation sequences.
This approach facilitates smoother construction processes, significantly reducing repetitive work caused by installation errors or timing issues. Upon completion, actual construction quantities can be compared against BIM-calculated estimates from the design stage to verify costs.
Moreover, digital construction records are preserved, providing a reliable basis for future maintenance of the project. Compared to traditional paper documents, digital BIM data is easier to store, retrieve, and utilize, enhancing overall project management and lifecycle maintenance.
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