Application Guide
Today, the cost-effective and efficient application of Building Information Modeling (BIM) is a critical research focus for many enterprises. To ensure the safety of engineering projects and enhance construction profit margins, BIM must be seamlessly integrated across various project stages, empowering the comprehensive management of design and construction.
Design Phase
1. Deepening the Design
BIM technology is used to build detailed models—covering buildings, structures, pipelines, and equipment—for comprehensive 3D building design. For example, in pipeline modeling, BIM 3D design requires entering unified parameter data to create a 3D model encompassing all information from 2D design drawings.
Utilizing collision analysis, pipeline layouts are checked and refined. Various disciplines, such as electrical engineering, are integrated on a single model platform. Collision detection generates inspection reports, resolving conflicts early. Combined with civil engineering BIM models, reserved installation holes for mechanical and electrical equipment are planned and confirmed, enabling the production of installation and civil engineering drawings. This process identified tens of thousands of mechanical and electrical installation issues during design, reducing construction time and material waste.
Bidding Phase
2. Bid Management
Bidding is part of the pre-planning stage and benefits from BIM’s 3D reporting capabilities. BIM simulates construction processes and effects more intuitively, enhancing project visualization. During bidding, a 3D model based on construction drawings can visually represent the site layout, including floor plans and office areas.
Given the owner’s focus on construction progress, the project team developed a milestone-based schedule linked to BIM components. By simulating the entire construction process, owners gain a clearer understanding, which improves project highlights and bid quality.
Procurement Cost Budget in Early Design Stage
For projects adopting new technologies or demanding higher performance, early market research is essential to optimize cost-effectiveness. BIM helps reduce costs from the design phase by facilitating communication among suppliers, owners, and designers, and by accurately budgeting based on drawings and progress.
Procurement Cost Budget During Construction Drawing Stage
Once construction drawings are complete, material and equipment pre-selection requires expertise. BIM enhances project management by enabling material bill determination during the drawing phase, which is crucial for progress and cost control.
Construction Phase
3. Parametric Modeling
Parametric modeling is vital early in construction, influencing subsequent work. BIM technology should be leveraged to develop comprehensive family libraries, preventing errors during later simulations.
Development of Parameterized Component Family Library
Before creating a BIM model, a parametric component family library must be established. Large projects often involve many similar component types and parameters. To avoid widespread modifications due to drawing changes and to promote progress while minimizing resource waste, a family library supporting real-time adjustments is created. Parameter changes apply uniformly to all related elements, enabling quick model updates and seamless integration between databases and models.
Family libraries include data on size, material, density, and cost, tailored to project needs. They consist of system families, standard components, and internal building elements.
The benefits of parameterized family libraries include:
- Importing families into performance analysis software to automate data input, reducing analysis cycles and improving design efficiency.
- Using family files for 3D collision testing, significantly lowering change orders, costs, and project delays caused by coordination issues.
- Linking family data with construction processes and full lifecycle building information, aiding future property management, renovations, and expansions while improving maintenance efficiency and reducing risks.
Overall Model Establishment
Traditional 2D modeling requires manually creating each component without embedded parameters, demanding high expertise from construction personnel and risking delays and quality issues due to limited visualization.
BIM-based parametric modeling follows this process:
- Create a parameterized family library.
- Generate an axis diagram in CAD and import into Revit Structure.
- Link family libraries to the project by importing families.
- Perform parameterized modeling based on component dimensions.
- Complete the model construction.
- Conduct detailed design and construction simulation.
4. Construction Plan Optimization
BIM models facilitate 3D site layout simulations, covering safe and civilized site management, machinery and equipment placement, scaffolding arrangements, and office and living area design. Visual modeling ensures effective early-stage planning.
BIM technology also supports comparative analyses to select optimal construction methods. For example, evaluating high-altitude sliding versus segmented lifting methods for large-span grid installations revealed that sliding scaffolding was safer and more efficient, reducing safety risks and ensuring progress.
5. Construction Site Layout
Complex projects require careful arrangement of material storage and large equipment prior to construction. BIM’s 3D visualization and planning reduce waste from insufficient space, poor transport routes, inadequate equipment operation zones, and unsafe or disruptive zoning for welding and cutting.
Using the BIM model, the site layout is optimized to be compact and orderly, minimizing site footprint and ensuring smooth traffic. Warehouses, processing areas, and living zones are logically arranged, facilitating communication with owners and meeting fire safety and civilized construction standards.
6. Visual Construction Progress Simulation
Due to complex environments and varying worker skills, information asymmetry can cause errors or delays. BIM-based 4D simulations link construction schedules with spatial data to create visual models reflecting the entire building process. This enables pre-construction guidance, process control, outcome verification, and refined project management.
Simulation integrates the project schedule, BIM 3D model, and Navisworks dynamic simulation software to chart component movements and attributes over time.
7. Comprehensive Pipeline Collision Detection and Detailing
Construction projects, especially large public buildings, involve diverse pipelines: water, air supply and return ducts, smoke exhaust, electrical cable trays, fire hydrants, sprinklers, medical gases, clean air, air conditioning, and condensate pipes. Large pipeline specifications in areas like computer rooms connect to mechanical and electrical equipment, making collision detection critical.
BIM models facilitate integration and detection by selecting relevant components for analysis. Collisions are identified, categorized, and reported visually, guiding on-site construction and reducing material waste.
8. Construction Schedule Simulation
During construction planning, BIM’s 4D simulation compares different schedule plans and analyzes factors like processes and resource supply. Weekly comparisons between simulated and actual progress help identify discrepancies, enabling timely adjustments to optimize schedules. This information-driven approach enhances construction efficiency and ensures project timelines are met.
9. Integrated Cloud Platform
Quality management is a core objective in construction projects, reliant on effective communication across departments. BIM combined with cloud technology addresses traditional quality management challenges by enhancing collaboration, speeding construction progress, and improving overall quality through an integrated cloud platform.
Article source: Architectural Technology Magazine
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