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3D Laser Scanning for Asbuilt BIM Models
Transcript of 3D Laser Scanning for Asbuilt BIM Models
parametric rules for each object. For instance, a door of certain material and dimension is parametrically related and hosted by a wall. 3D LASER SCANNING ASBUILT BIM MODELS What is 3D Laser Scanning Also known as LiDAR (Light Detection & Ranging)
Camera like instrument which uses a laser beam to measure distance
Fires laser and for each point the laser hits it records an xyz value.
As well as recording distance it records the reflectivity of a surface which gives an intensity value.
Some scanners have in builts camera which takes photos,
These are used to add colour (RGB) values. How does it work ? Fast data collection What do you get? POINT CLOUDS Advantages VERY FAST DATA COLLECTION
• ACCURATE +/- 4MM
• VISUAL 3D RESULTS
• SAFE ACCESS HIGH/RESTRICTED AREAS
• LOTS OF DELIVERABLES
• NOTHING MISSED Multiple Setups Deliverables Pointcloud Asset Management Deliverables Webshare / TruView Deliverables Intelligent 3D Models Deliverables Point clouds
Walk Throughs Simulations
Asset Management Autodesk .pcg format
Verify DIMs View 360° Images from each Scan / Verify Measurements REVIT BIM MODEL
Intelligent 3D Database
for Condition Surveys &
Life Cycle Management database management system for construction, fit-out and plant asset management that transfers a 3D model from the design office to the plant operator. The Basic Principle ArtrA provides near instant retrieval of the correct project documentation in one click
PFD’s & P&ID’s, general arrangements, equipment layouts, isometric & spool drawings
Bills of material, punch lists, hydrotests etc. BIM ASSET / FM / MODEL ARTRA SYSTEM Adding Operations Info Access on Site Digital Facility Process Control network of
overlapping targets Different Scanners for different roles & projects Speeds
Accuracy For BIM Projects we use phased based scanners
Very fast data collection up to 990,000 pps CaseStudy: Timet Factory CaseStudy: UWE Digital Facility MANAGEMENT DATABASE ASBUILT MODEL SITE SURVEY REMOTE USER WEB ACCESS or DIRECT DOWNLOAD Asbuilt Model Pointcloud Titanium Metals Corporation (TIMET) is the world's largest fully integrated producer of high quality titanium metal products.
As part of ongoing investment in their Birmingham Plant they required a laser survey and asbuilt model. The survey was required to be carried out in a very small timeframe to avoid disruption to the plant.
Once the survey was completed a 3D asbuilt model was created to allow the engineers to virtually carry out design work and simulation of the installation of 2 new furnaces. Animation Made up of two storeys and covering over 10,000 sq m, the UWE conference centre is a vast building. Formerly the Hewlett Packard offices, the building has recently been acquired by the University of Bristol. Parsons Brinckerhoff the consultant engineers carrying out the refit of the building were looking for methods to survey the very complex ceiling void.
Located 4m above ground level and packed with piping and ducts conventional survey methods would have been impossible. Company Background Formed in 1988 Range of Topographic, Measured Building Survey & Dimensional Control services for Infrastructure
Early adopters of 3D Laser Scanning
Small specialist team of Surveyors, Scanners, 3D Modellers & Architectural Technologists
Launched our eBIM service in 2010 SERVICES 3D DATA CAPTURE
VISUALISATION LASER SCANNING 3D INSPECTION 3D MODELLING ASSET MANAGEMENT
NON DESTRUCTIVE TESTING
REVERSE ENGINEERING ASBUILT MODELS
INTELLIGENT PLANT MODELS
BUILDING INFORMATION MODELLING VIRTUAL ASSET MANAGEMENT
INTELLIGENT PLANT MODELS
BUILDING INFORMATION MODELLING BIM COBIE In June 2011 the UK government published its Building Information Modelling (BIM) Working Party Strategy.
This report announced the Government’s intention to require collaborative 3D BIM (with all project and asset information, documentation and data being electronic) on its projects by 2016. The software and data requirements for this detailed in the report are Construction Operations Building Information Exchange (COBie). MONUMENT MALL Asbuilt BIM for Refurb
To form FM solution
22,000sqm over 6 floors.
SITE TIME: 12 DAYS
3D LASER SCANS: 650
HOURS MODELLING: 500hrs LARGE SHOPPING MALL MONUMENT MALL LARGE SHOPPING MALL MONUMENT MALL SCAN TO BIM
Clash Detection Deliverables STANDARD MODEL SPEC Internal partitions up to ceiling height
Internal / external walls / floors at visible level
Major internal wall features visible - boxings, openings etc.
Major external wall features visible - major signage, rainwater downpipes, etc
Sanitary fittings - indicative
Ceilings and bulk heads
Primary Structure extent of visible area - columns, beams and trusses
Visible secondary structure - columns, supporting curtain walling
Floor Slabs and level changes
Key MEP elements to be clarified on site
Internal roof structure where visible (Standard spec does not include detailed MEP,
inaccessible Roof spaces & voids) BIM ASBUILT MODEL DESIGN MODEL CONSTRUCTION MODEL FM MODEL