BIM in Construction: What It Is and Why It Matters

What does BIM stand for in construction?

BIM stands for building information modeling. The National BIM Standard-United States (NBIMS-US) describes it in three linked ways: a business process for generating and using building data, a digital representation of a facility’s physical and functional characteristics, and the management of that information over the building’s life.

The information is what separates BIM from 3D drawing. A wall in a model can carry its materials, fire rating, and dimensions. A door can carry its hardware set and manufacturer. That data can be scheduled, priced, and checked by software.

For related terms such as CSI division, submittal, and design-build, see our construction lead glossary.

How is BIM used on a construction project?

A model can support a project from the first concept to daily operations. Not every project uses every step: some teams model only the design, while others carry the model through construction and hand it to the owner.

What is BIM coordination in construction?

BIM coordination combines each discipline’s model (architectural, structural, mechanical, electrical, plumbing, and fire protection) into one federated model and resolves conflicts before anything is built. A typical cycle runs like this:

1. Each trade models its systems and uploads them to a shared environment.
2. Software runs clash detection to find hard clashes, such as a duct through a beam, and clearance problems.
3. The team reviews the clashes in a coordination meeting and assigns fixes.
4. Trades update their models, and the cycle repeats until each area is cleared for fabrication and installation.

Design-build teams lean on this heavily. In the January 2025 Design-Build Utilization Study that FMI prepared for the Design-Build Institute of America (DBIA), 53% of survey respondents said they use BIM on 60% or more of their design-build projects, and they rated trade coordination, clash detection, and constructability review as its most valuable uses.

The delivery method shapes how early that coordination starts. Our comparison of design-build vs. design-bid-build explains why.

What is level of development (LOD)?

LOD tells the team how far a model element has been developed and how much they can rely on it. The BIMForum Level of Development Specification, which builds on AIA definitions, sets out these levels:

LOD measures reliability, not just detail. BIMForum describes level of detail as input to an element and level of development as reliable output, which is why a heavily detailed object can still be untrustworthy.

What does BIM mean for building product manufacturers?

When a design team works in a model, the easiest products to specify are the ones they can place in it. A BIM object, often called a family in Autodesk Revit, carries your product’s geometry plus data: dimensions, performance values, model numbers, and links to specifications.

• Publish clean objects for the tools your specifiers use, in native formats and in IFC.
• Keep the data current. Outdated model numbers or performance values create errors downstream.
• Keep geometry light. Model sizes, clearances, and connections accurately, and skip detail that slows the model down.
• Pair objects with three-part guide specs, so the model and the specification say the same thing.

BIM content gets your product into the model. Getting it into the specification still takes timing and relationships. Our guide on how to get your product specified covers the full process, and how manufacturers use construction project data shows how to find projects while the model is still taking shape.

What does BIM mean for contractors?

For general contractors, BIM supports coordination, quantity takeoffs, sequencing, and site logistics. For trade contractors, it drives shop drawings and prefabrication: when the model is coordinated, assemblies can be built off-site and installed with fewer surprises.

When a project has BIM requirements, they are usually set out in a BIM execution plan. Read it before you bid. It defines which models you must deliver, at what LOD, in which formats, and on what schedule.

The earlier you see a project, the more time you have to plan for those requirements. Our guide on how to find construction projects before they go to bid covers the best early sources, and our contractor leads guide covers how general contractors and subcontractors turn them into work.

What are the benefits of BIM?

• Fewer field conflicts. A clash resolved in the model is one the crew never has to tear out and rebuild.
• Better coordination. Every discipline works from the same, current set of information.
• More reliable quantities. Takeoffs come straight from the model.
• Earlier decisions. Owners can compare options, cost, and energy use while changes are still cheap.
• Prefabrication. Coordinated models let trades build assemblies off-site.
• Better handover. The owner receives equipment and product data for operations.

How much each benefit is worth varies by project, team, and how far the model is carried. Treat published savings percentages with care unless you can trace them to the original study.

What are the challenges of BIM?

• Upfront cost. Software, hardware, and training all come before the payoff.
• Skills. Models are only as good as the people building and checking them.
• Interoperability. Firms use different tools that do not always exchange data cleanly.
• Model ownership and reliance. Teams need to agree who owns the model and what others may rely on. AIA’s G202 Building Information Modeling Protocol Form is one tool for setting that out.

Interoperability is an old and expensive problem. A 2004 study for the National Institute of Standards and Technology (NIST) estimated that inadequate interoperability cost the U.S. capital facilities industry $15.8 billion in 2002, with about two-thirds borne by owners and operators.

Open standards are the industry’s answer. Industry Foundation Classes (IFC), published as ISO 16739-1, is an open, vendor-neutral format for exchanging BIM data between tools.

Is BIM worth it for small construction companies?

It depends on who you work for. If your general contractors, design-build partners, or owners require models, BIM is a cost of entry. If they don’t, start small: free model viewers let you open and measure a model, take part in coordination, and learn the workflow before you buy authoring software.

For manufacturers the answer is simpler. If design teams model your product category, publish BIM objects.

To see how many commercial projects are in planning and design in your area right now, Start your free test drive. It covers 3 days or 5 projects, whichever comes first, with no credit card required.

Which BIM software do construction teams use?

There is no single best tool. Teams choose by role, and most projects mix several.

Before choosing, ask your most important partners what they use. Matching their formats saves more time than any feature list. For the market forces shaping which projects get built, see our report on construction industry trends.

Frequently asked questions

What is BIM in construction?

BIM, or building information modeling, is the process of creating and managing a shared digital model of a building that holds both geometry and data. Design teams, contractors, manufacturers, and owners use the model to coordinate design, detect clashes before construction, plan and price the work, and hand over accurate building information for operations.

What does BIM stand for in construction?

BIM stands for building information modeling. The National BIM Standard-United States describes it as a business process for generating and using building data, a digital representation of a facility’s physical and functional characteristics, and the management of that information across the building’s life, from design through operations.

What is BIM coordination in construction?

BIM coordination combines the architectural, structural, and MEP models into one federated model, runs clash detection to find conflicts such as ducts running through beams, and resolves them in regular coordination meetings. The cycle repeats until each area of the building is cleared for fabrication and installation, which reduces rework in the field.

How does BIM impact the construction industry?

BIM moves problem-solving from the job site to the model. Teams find conflicts earlier, take quantities from the model, plan sequencing, and prefabricate more. It also changes selling: design teams can place modeled products straight into the design, so manufacturers publish BIM objects, and trades are often asked to deliver models of their own work.

Is BIM worth it for small construction companies?

If your clients or general contractors require models, yes: BIM is a cost of entry for that work. If they don’t, start with free model viewers so you can read models and join coordination meetings, then invest in authoring software and training once the work justifies it. Manufacturers should publish BIM objects if design teams model their category.

Which BIM software is best for construction teams?

It depends on the role. Autodesk Revit and Graphisoft Archicad are common for design authoring, Trimble Tekla Structures for steel and concrete detailing, and Autodesk Navisworks and Solibri for coordination and model checking. IFC files let different tools exchange data. Ask your key partners what they use before you choose.

Sources

1. Penn State BIM Planning, Defining BIM (summary of NBIMS-US Version 3, 2015) (accessed November 11, 2026)
2. FMI for the Design-Build Institute of America, Design-Build Utilization Study: Key Findings Report (January 2025)
3. BIMForum, Level of Development Specification, Version 2015 (October 30, 2015)
4. NIST, Cost Analysis of Inadequate Interoperability in the U.S. Capital Facilities Industry (NIST GCR 04-867) (August 2004)
5. DIN Media, DIN EN ISO 16739-1: Industry Foundation Classes (IFC) for data sharing in the construction and facility management industries (September 2024)