BIM LEVEL OF DEFINITION / DEVELOPMENT

We offer BIM models of various levels of detail for 3D visualization, construction scheduling, Quantity takeoffs, on site project control, fabrication & assembly. Over the last decade, we have successfully completed BIM projects of various LODs for our clientele of engineers, architects, contractors and construction firms across 35 countries including The USA, The UK, Europe, Australia and New Zealand.

Our LOD services are aimed at helping our clients in having seamless use of a BIM model as a tool. We ensure that every element in the model exactly conveys the precision at which the elements are modeled

BIM Level of Development

(US Standard)

LOD 100 – Conceptual Design

3D Massing Models: Basic geometric shapes representing the building’s form.
Site Information: Basic information about the site’s location, boundaries, and context.
Orientation: Basic data on building orientation and direction.

LOD 200 – Schematic Design

Conceptual 3D Models: More refined 3D models showing approximate sizes, shapes, and relationships of major building components.
Spatial Layout: Spatial layouts of rooms, basic circulation paths, and conceptual placements of building systems.
General Systems: Representation of major building systems like HVAC, plumbing, and electrical at a conceptual level.
Material and Finish Information: Basic material selections and finishes.

LOD 300 – Design Development

Precise Geometric Models: Highly detailed 3D models with precise geometric and parametric information.
Accurate Building Systems: Detailed representations of major building systems with actual sizes and connections.
Detailed Spatial Layouts: Accurate spatial layouts, sizes, and configurations.
Coordination and Clash Detection: Suitable for coordination, clash detection, and producing detailed construction documents.
Cost Estimation: Suitable for accurate cost estimation.

LOD 350 – Construction Documentation

Construction-Ready Models: Detailed models prepared for construction documentation.
Fabrication and Assembly: Focuses on preparing the model for fabrication and assembly processes.
Detailed Instructions: Includes detailed fabrication and assembly instructions.
Material and Finish Data: Provides detailed material, finish, and performance data.
Shop Drawings: Generates shop drawings and supports off-site fabrication processes.
Construction Sequencing: Detailed construction sequencing and logistics information.

LOD 400 – Fabrication and Assembly

Fabrication Models: Highly detailed models suitable for fabrication.
Precise Component Information: Provides precise information about components for fabrication.
Connection Details: Detailed connection details and construction sequencing.
Shop Drawings: Generates shop drawings and includes fabrication files and installation details.
Material and Finish Data: Includes comprehensive material, finish, and performance data.

LOD 500 – As-Built

As-Built Models: Represents the as-built condition of the project.
Facility Management Data: Integrates with facility management software for ongoing operations.
Maintenance Information: Includes equipment manuals, maintenance schedules, and warranties.
Building Performance Data: Provides historical data on building performance, energy use, and maintenance history.

BIM Level of Definition

(UK Standard)

LOD 0 – Strategic Definition

No 3D model is typically produced at this stage.
High-level strategic information, such as project objectives and feasibility studies.
Preliminary planning and decision-making.

LOD 1 – Preparation and Brief

Basic 3D massing models may be used.
General spatial arrangements and relationships.
Rough outlines of systems and components.
High-level cost estimates.

LOD 2 – Concept Design

More detailed 3D models.
Developed spatial layouts.
Conceptual systems representation.
Basic material and finish information.
Rough quantity takeoff for cost estimating.

LOD 3 – Developed Design

Detailed 3D models.
Accurate spatial layouts with precise sizes and shapes.
Developed systems representation.
Detailed material and finish information.
Accurate quantity takeoff for cost estimating.
Coordination and clash detection for major systems.

LOD 4 – Technical Design

Model elements for construction and fabrication.
Fully developed systems and components with precise dimensions.
Precise fabrication and assembly instructions.
Shop drawings and fabrication files for all components.
Detailed material and finish information for construction.
Comprehensive coordination and clash detection.

LOD 5 – Construction

Model elements for construction and fabrication.
Fully detailed systems and components for construction.
Precise fabrication and assembly instructions.
Shop drawings and fabrication files for all components.
Detailed material and finish information for construction.
Comprehensive coordination and clash detection.
Real-time data for construction monitoring.

LOD 6 – Handover and Closeout:

As-built condition representation.
Accurate and detailed documentation of all building components.
O&M (Operations and Maintenance) manuals for building systems.
Warranty information for components and systems.
Asset management and facility management data.
Building performance data and energy use history.

Our BIM LOD Services in a Nutshell

We offer our BIM LOD services in two ways

Our team of BIM engineers will work along with the client team to determine the required Level of Detailing needed for the project requirements.
Our team of BIM engineers will develop a BIM model based on the Level of Detailing specified by our client.

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