Digital Construction – Scan Data to BIM Services

01 — The Challenge

Existing buildings frequently have incomplete, outdated, or unreliable documentation. Original drawings may not reflect years of modifications, renovations, extensions, or changes made during construction.

Even when laser scanning has been completed, project teams still face an important challenge:

A point cloud is not an intelligent BIM model.

Common challenges include:

• Large volumes of point-cloud data that are difficult to interpret

• No existing BIM model for the facility

• Outdated or inaccurate drawings

• Complex building geometry

• Existing MEPF systems that are difficult to document

• Multiple modifications made over the building's lifecycle

• Difficulty converting scan data into usable project information

• Inconsistent modeling standards

• Limited information for renovation and retrofit design

• Difficulty coordinating proposed designs with existing conditions

• Lack of structured digital data for future use

• Time-consuming manual interpretation of reality-capture information

VDEC bridges the gap between raw reality-capture data and an intelligent, project-ready BIM environment.

02 — VDEC Solution

VDEC specializes in converting client-provided point clouds and scan data into accurate BIM models based on agreed project requirements, modeling standards, and Level of Development.

Our scope begins after the site scanning and point-cloud registration have been completed by the client's appointed survey or reality-capture team.

Our Scan Data to BIM Services Include

Point Cloud to BIM Modeling

• Registered Point Cloud Review

• Scan Data Assessment

• Point Cloud Referencing

• Existing Condition Modeling

• Point Cloud-Based BIM Development

• Model-to-Scan Verification

• Multidisciplinary BIM Modeling

Architectural Scan Data to BIM

• Walls

• Floors

• Ceilings

• Doors

• Windows

• Stairs

• Roofs

• Façade Elements

• Interior Components

• Building Spaces

Structural Scan Data to BIM

• Columns

• Beams

• Slabs

• Structural Walls

• Steel Elements

• Foundations, where visible and supported by available information

• Existing Structural Components

• Openings

MEPF Scan Data to BIM

HVAC

• Ductwork

• HVAC Equipment

• Major Mechanical Piping

• AHUs / FCUs

• Diffusers and Grilles

Electrical

• Cable Trays

• Major Conduits

• Electrical Panels

• Equipment

• Visible Fixtures

Plumbing

• Water Piping

• Drainage Systems

• Major Fixtures

• Pumps and Equipment

Fire Protection

• Fire Protection Piping

• Major Valves

• Sprinkler Systems

• Fire Protection Equipment

Model Development Standards

Models can be developed according to agreed project requirements, such as:

• Existing Condition BIM

• LOD 200

• LOD 300

• LOD 350

• LOD 400

• LOD 500 / As-Built Documentation Requirements

VDEC models only the elements and level of information supported by the agreed scope, available scan data, and project requirements.

03 — Deliverables

BIM Models

• Architectural BIM Model

• Structural BIM Model

• HVAC BIM Model

• Electrical BIM Model

• Plumbing BIM Model

• Fire Protection BIM Model

• Multidisciplinary Federated BIM Model

• Existing Condition BIM Model

Existing Condition Documentation

• Existing Floor Plans

• Sections

• Elevations

• Reflected Ceiling Plans

• Existing MEPF Layouts

• Equipment Layouts

• Existing Condition Drawings

• Model Views and Sheets

BIM Data

• Element Information

• Room and Space Data

• Equipment Parameters

• System Information

• Component Identification

• Location Information

• Project-Specific Parameters

Project-Specific Deliverables

Depending on the project requirements, VDEC can deliver:

• Point Cloud-Based Existing Condition Models

• Renovation BIM Models

• Retrofit Coordination Models

• As-Built BIM Documentation

• Design Coordination Models

• Facility Information Models

• Revit Models

• 2D Drawings Generated from BIM

04 — Our Process

01. Project Requirement Review

We begin by understanding the required scope and reviewing:

• Project objectives

• Required disciplines

• Areas to be modeled

• Required LOD

• Modeling standards

• BIM Execution Plan

• Accuracy requirements

• Coordinate system

• Final deliverable formats

02. Client-Provided Scan Data Review

VDEC receives the available registered point cloud or reality-capture data from the client or their appointed scanning provider.

We assess the data for:

• File format

• Registration quality

• Coverage

• Point density

• Coordinate system

• Completeness

• Accessible areas

• Missing or obscured regions

• Suitability for the required BIM scope

VDEC does not perform the on-site scanning or point-cloud capture.

03. Point Cloud Setup & Referencing

The point cloud is referenced within the BIM environment using the agreed project coordinates and alignment requirements.

Relevant floors, zones, rooms, and areas are organized for efficient modeling.

04. Existing Condition BIM Modeling

Our BIM specialists develop the agreed architectural, structural, and MEPF elements by interpreting the client-provided scan data.

Modeling is carried out according to the agreed:

• Scope

• LOD

• Accuracy requirements

• BIM standards

• Element categories

• Naming conventions

05. Multidisciplinary Coordination

Where multiple disciplines are included, models are reviewed together to identify inconsistencies and improve coordination between architectural, structural, and MEPF elements.

06. Model-to-Point Cloud Verification

Completed models are checked against the available point cloud to verify alignment with the captured data within the agreed project tolerances and scope.

07. Quality Control

Our quality-control process reviews:

• Geometry

• Dimensions

• Levels

• Locations

• Model alignment

• Element classification

• Required parameters

• Model-to-scan consistency

• Documentation consistency

08. Client Review

The BIM model is submitted for client review, and comments or additional available project information are incorporated where applicable.

09. Final Documentation

Required drawings, schedules, views, and supporting documentation are generated from the completed BIM model.

10. Final BIM Delivery

The final model and agreed documentation are delivered for use in:

Renovation | Retrofit | Design Coordination | Construction Planning | As-Built Documentation | Facility Management

05 — Software & Technology

VDEC uses industry-standard BIM and coordination software, including:

Autodesk Revit | Navisworks | AutoCAD | Autodesk Construction Cloud (ACC) | BIM 360

Our team works with compatible client-provided registered point clouds and reality-capture data.

We can align our workflows with client-specific:

• BIM Standards

• BIM Execution Plans

• LOD Requirements

• Employer's Information Requirements

• Coordinate Systems

• Naming Conventions

• Common Data Environments

• Digital Handover Requirements

06 — Benefits

Turn Scan Data into Usable BIM Information

Convert large volumes of point-cloud data into an intelligent and structured digital model.

No Need to Build a BIM Team for Existing Conditions

VDEC provides specialized BIM resources to develop models from scan data supplied by your appointed scanning provider.

Better Renovation & Retrofit Planning

Create a reliable digital foundation for understanding and planning modifications to existing facilities.

Reduce Reliance on Outdated Drawings

Use reality-capture information to develop models based on the captured existing conditions.

Improve Design Coordination

Coordinate proposed designs against a digital representation of the existing building.

Support MEPF Planning

Understand visible existing services and available spatial conditions before developing new systems.

Faster Access to Existing Building Information

Transform complex point-cloud information into an organized BIM environment that is easier for project teams to review and use.

Improve Clash Detection

Use the existing-condition BIM model as a basis for identifying potential conflicts with proposed construction.

Support As-Built Documentation

Develop structured BIM information from available reality-capture and construction records.

Create a Long-Term Digital Asset

A well-structured BIM model can support future renovations, modifications, coordination, and facility information workflows.

07 — Example Project

Point Cloud to BIM for an Existing Commercial Facility

Project Type: Existing Commercial / Mixed-Use Facility
Scope: Point Cloud to BIM + Existing Condition Modeling
Disciplines: Architecture + Structure + MEPF
Input: Client-Provided Registered Point Cloud
LOD: 300–350
Deliverables: Existing Condition BIM Model + Coordination Drawings

VDEC Approach

The client appointed a specialist reality-capture provider to complete the on-site laser scanning and provide a registered point cloud of the facility.

VDEC then reviewed the client-provided data and developed an existing-condition BIM model covering the agreed architectural, structural, and visible MEPF elements.

The project included complex service corridors, plant rooms, shafts, ceiling spaces, and areas with multiple existing building modifications.

Our BIM team used the point cloud as the primary reference for modeling the agreed scope and developed a coordinated digital environment for the project team.

The completed model was reviewed against the available point-cloud data and delivered with supporting drawings and model information.

Outcome

The project team received an intelligent and coordinated existing-condition BIM model, allowing architects and engineers to better understand the available building conditions and coordinate proposed renovation work.

The client's appointed scanning provider captured reality. VDEC transformed that information into a project-ready BIM environment.

08 — You Provide the Scan Data. We Deliver the BIM Intelligence.

Reality capture provides valuable information about an existing building, but the true value is unlocked when that information becomes an intelligent, structured, and usable BIM model.

VDEC specializes in converting client-provided laser scan data and registered point clouds into BIM models that support real project decisions.

We do not perform on-site scanning. Instead, we focus on what we do best:

Interpreting reality-capture data and transforming it into high-quality BIM information for design, coordination, construction, and asset management.

Whether you have an existing point cloud, laser scan data, LiDAR survey, or reality-capture dataset, VDEC can help you turn it into a reliable digital foundation for your next project.