BIM Workflows: How to Build from CAD & GIS for Infrastructure
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Transcript of BIM Workflows: How to Build from CAD & GIS for Infrastructure
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BIM Workflows: How to Build from CAD & GIS for Infrastructure
Consortech with Safe Software
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Welcome to the webinar
How do you migrate to a BIM system when your current data is stored in CAD?
How can you integrate disparate BIM and GIS systems?
What can we learn from some real world workflows and examples?
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AgendaSafe Software / Consortech Overview
Why use BIM with CAD & GIS?
Consortech: • International airport example• Next steps
Safe: • BIM / GIS / CAD integration
workflows in FME• Other customer examples
Tip: Ask questions
Chat in your questions using the GoToWebinar control panel. We will answer them throughout the webinar and during the Live Q&A session at the end.
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ConsortechConsortech is an expert consulting firm specialized in integrated, innovative design and data management technologies.
www.consortech.com
Did you know?
Safe Software and Consortech have been partners for over 10 years.
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We are SAFE SOFTWARE - data lovers and the makers of
FME. What’s FME?
A powerful integration engine that can be deployed by Desktop, Server, or Cloud. Check out www.safe.com for a 2 minute demo.
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Why use BIM?
➔ Digital representation of infrastructure:
both building information and 3D
➔ Includes descriptive info (dimensions,
materials, manufacturers, etc.)
➔ Aids in proper design, construction,
operation, maintenance & updates
➔ Drawback: files size and complexity
make data difficult to repurpose
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Why use GIS?
➔ Map and analyze geographic features
➔ Uses location and imagery
➔ Conveys data on a large scale
➔ Data models, attributes, simple geometries, and domains
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Why extract from BIM?➔ Visualization
planning, site suitability
➔ 2D floor plansrouting, maintenance
➔ Analysisspace management: scheduling / leasing, energy / HVAC
➔ Construction managementas built vs design
➔ Facilities management maintain and replace components, work plans, reporting
➔ Updates keep BIM current, add reference links
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BIM Challenges➔ BIM is too complex for most
GIS applications➔ Data model differences and
gaps object vs relational➔ Limited geo-referencing➔ File size / instanced
geometries➔ Schema mapping
which source feature types match GIS ones
➔ External references
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How Can FME Help?
BIM data is very complex.
BIM Software Exports
- Overly complex (IFC)
- Overly simplified (DWG)
With FME
- Keep info you need
- Discard info you don’t
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ArcGIS
Microsoft Excel
BIMBuilding Information Modeling
GISCAD
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ArcGIS
Microsoft Excel
BIMBuilding Information Modeling
GISCAD
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ConsortechInternational Airport Example
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March 23, 2016
BIM Workflows How to build from CAD and GIS for
Infrastructure
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Who we are? What we do?
Architecture
Engineering
Construction
Geomatics/ETL
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Core business
BIM
ETL
Building Information Modeling Fully integrated process to generate and manage
digital representations of physical and functional characteristics of places
Extract – Transform – Load Create bridges between systems and
applications in an automated fashion
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Our Services
Open Data workflow optimization CAD-GIS integration Clip-Zip-Ship data upload/download services Process analysis + BIM workflows
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Our approach
Technology Implementation and integration Development, customization and configuration tools Coaching and technical assistance Standard and customized training Accompaniment / coaching
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Our Strategic Partners
Building data management tools
Design Analysis 3D Modeling BIM tools for
Extract, Transform Load data solutions (ETL)
Municipalities
General contractors HVAC contractors Property Managers Architects
Property Managers
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Partnership
• Business Partners for over 17 years
• Platinum Partner since 2014
• + 60% of our technical staff are devoted to working on FME and FME Server related projects
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And US: Our GIS/ETL Team
Lesley Mackenzie Senior GIS Consultant FME Professional FME Trainer
Allison Hughes GIS Consultant FME Professional FME Trainer
Pierre Gauthier Senior Programmer-Analyst FME Professional
Patrick Connolly-Boutin GIS Consultant
Gerry McCoubrey Director, Business Development, ETL/GIS
Jean Desormeaux Programmer-Analyst
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Lesley MacKenzie
Senior GIS Consultant
Webinar: How to build from CAD and GIS for
Infrastructure
Presented by:
Gerry McCoubrey
Director, Business Development ETL/GIS
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Agenda
§ What is BIM?
§ Client Context
§ First Steps towards BIM § CAD to GIS for BIM with FME § Sharepoint to Vault with FME
§ Role of FME in BIM § BIM for Infrastructure § BIM for Buildings
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BIM LifeCycle
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Three Categories
Revit Civil 3D
Navisworks InfraWorks 360
Vault AutoCAD Map
Design Tools Integrators Information Management
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An Airport is like a City
• Manage real-estate
• Large CAD inventory, all 2D
• Sharepoint document management system • Difficulties managing CAD specifics such as reference drawings
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An Airport is like a City
• Difficult to share plans across business lines • Maintenance • Operations • Security • Etc.
Builders Manufacturers
Architects
MEP Systems Engineers
Structural Engineers
Civil Engineers
Owners
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Objectives for BIM
ü Use BIM in both their construction projects and in internal management ü Long-term: Integrate with asset and facilities management solution (SAP)
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Challenges
• The main challenge is moving data into different systems
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Client vision of BIM
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Client vision of BIM
Design
Plan
Construction
Manage Archive
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CAD-TO-GIS
PROJECT
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GIS Implementation
20
SQL ServerSpatial
Extract to DWG or Civil 3D
AutoCAD Map
Asset Management System
Reports
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Role of FME in CAD to GIS
Analysis Conversion Validation
FME was used at multiple steps
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Analysis
• FME inventoried each drawing • Layer names • Object Types (lines, text, blocks…) • Object Counts
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Conversion
Example conversion (lines)
1. Read DWG
2. Angle Checking and Text matching by proximity 5. Write to Database
4. Prepare Attributes
6. Reporting
b) Extra validation a) Layers to do manually
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Conversion Challenges
• Attribute mining based on proximity
• Matching text values to a domain value
• Keeping the Data Freeze short
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Angle Calculation
• Match
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Angle Calculation
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Domain Challenge
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Quality Control
• Validated counts of features that arrived in database against number expected.
• Validated attribute matches, and texts that were unmatched
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Benefits of using FME
• Restructuring (parsing layers names, text matching)
• Validation and Reporting
• Simulation
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What’s Next?
Infrastructure data Imagery
Terrain 3D Models
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DOCUMENT MANAGEMENT PROJECT
VAULT MIGRATION
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Vault Implementation
Migration from Sharepoint to Autodesk Vault
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Pre-migration conditions
• Situation before Vault implementation
• Number of data editors: ~ 10
• Number who consult plans: 150-200
• Number who will comment plans: 50
• Number of plans that need to be migrated from Sharepoint:~ 40 000
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Analysis
• Sharepoint Database
• Files are in blobs • Metadata in different columns • No plan history maintained
• Vault Database
• The first database conversion simulated in our office • Files are stored as DWG in a file directory structure
§ Client wanted to maintain same file structure
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Solution
• Used FME to extract the data from Sharepoint and load the metadata into Vault
Files
Metadata FFS
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Extraction from Sharepoint
1. to FFS Read content ID
Read XML Field
Build data extraction
Generate report
Fields process validation
Write file content
9
Write metadata to FFS
Domains process validation
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Load into Vault
Read metadata FFS File
Read attribute definition from Vault
Generate specific insertion query
Generate importation report
Read related info from Vault
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Challenges
• The attribute definitions in Sharepoint are embedded in XML stored in the database
• Colonne de type sql_variant pour la valeur des attributs dans Vault (générer le code d’insertion plutôt qu’utiliser un simple feature writer)
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Benefits of FME
• TurnKey solution
• Avoided manual loading, minimizing risk
• The translation could be simulated
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WHAT’S NEXT WITH BIM?
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BIM Continuation
• There are several ways that FME can help going forward
• Interoperability between different BIM tools
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BIM for Infrastructure Potential
• There are several ways that FME can help with future potential BIM for Infrastructure Workflows • Prepping data for InfraWorks
§ Gathering different terrain data § Integrating different 3D data
• Extracting Infrastructure data to do Civil Design
• Automate Civil 3D to GIS
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Moving to BIM for Buildings
• Compare Revit files
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Moving to BIM for Buildings
• Create lighter Building models for Integration into InfraWorks
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BIM / GIS / CAD integration workflows in FME
Tip
Download FME 2016 for the latest support in formats and protocols.
Plus the new FME Workbench functionality helps you output the data whenever and however you need it.
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GIS <-> BIM: Transformation
Attributes● Schema mapping● Resolving relationships
Geometry● Geo-referencing● Conversion / Extrusion
(2D to 3D)● Instances● Appearances● Validation
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BIM Formats
Reading:● Autodesk Revit, FBX● IFC● CityGML, IndoorGML (BIM-lite)
Writing:● IFC● CityGML (ADE’s), IndoorGML
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BIM: Key Techniques
A starting point BIM model can be quickly created from GIS
FME can extract IFC to Excel. Edits can be merged back into IFC.
Revit Data Views in FME produce 3D data ready for use.
Removing detail is necessary for efficient viewing.
Hierarchies are complex but can be tamed. Understanding geometry hierarchy informs workflow design.
GQuery (Geometry XQuery) empowers transformers for BIM
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Problem: Create Slim-Bim from CAD & GIS
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Solution
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IFC Result: Create Slim-Bim from CAD & GIS
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Key Takeaways
● A starting point BIM model can be quickly created from GIS
● IFCProperty Set Definitions are created in the workspace using
transformers
● IFC Property Sets are stored as part of the geometries in IFC and
are populated from GIS attributes
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Problem: Reduce BIM Data Volumes
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Solution
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I-35 Bridge Workflow: Revit to linked CityGML
1. Bridge BIM created in Revit by DBI Architects
2. Revit Extension - FME Exporter - creates .rvz file
3. FME Workspace: Revit .rvz to CityGML conversion with embedded component uri’s
4. VirtualCitySystems imports CityGML into their 3D City Database
5. RevMac – uses linked data tools / rdf to analyze embedded component data
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I-35 Bridge in Revit
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Revit to CityGML Workspace
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I35 Bridge CityGML: Data Inspector
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Virtual City Map Viewer
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GeometryValidator for 3D
• Checks for solids with inverted faces, dangling surfaces, unsealed solids, etc
• Flag errors with descriptions and locations
• Chain multiple validators to isolate problems of interest (e.g 2d before 3d)
• Repair option
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FME Server: Publish BIM / 3D to the Web
Adobe 3D PDF
COLLADA / KML
ThreeJS
X3D / WebGL
Cesium / CZML
Amazon S3*
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Customer Success Stories
Mount Vernon HBIM
A blended world from:
● Revit● Lidar & Ortho● CAD & GIS
Viewshed analysis
University of Washington
● Room scheduling● Space inventory● Automated updates● Linked to admin,
operations and maintenance
HOK Scenarios
● Validation● DWG, PDF Exports● Enterprise
integration ● Autogeneration of
2 million buildings
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SummaryBIM is about information management through the building life cycle from planning through maintenance, not just design
Leveraging BIM’s value requires integration with CAD and GIS systems
This presents challenges that FME helps address with BIM - CAD - GIS workflows:
● Load from / export to any CAD, GIS or 3D format
● Transform / Validate schema, geometry and semantics
● Extract and filter from BIM – just what you need
● Automate enterprise services and updates
● Publish BIM data to client and mobile friendly formats
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Free Resources
Blog Post:
Does BIM Improve the ROI of P3 Projects?
Previously Recorded Webinar:
Create GIS and BIM Interoperability
Free FME Training:
FME Desktop (Basic) April 5-6
www.safe.com/webinars www.safe.com/training www.consortech.com/en-CA/our-blog
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Thank you Resources:
➔ safe.com/bim➔ knowledge.safe.
com/articles/591/bim-tutorial.html➔ www.consortech.com
Contacts:
➔ safe.com/support ➔ [email protected]➔ [email protected]
Q&A Time!
Chat in your questions to us using the GoToWebinar control panel. We will follow-up on any unanswered questions.
Or Live-Chat us anytime at www.safe.com