applications of high-definition surveying (hds) for ... khan.pdf · faheem khan – leica...
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Faheem Khan – Leica Geosystems+65 9092 6532 - [email protected]
Applications of High-Definition Surveying (HDS) for Construction Management in Asia
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State of the Industry
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State of the Industry
3
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High Definition Surveying –now part of the overall Surveying toolkit
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Trends – Technology, Cost, Performance
?
ScanStation C10
ScanStation C10 with GPS Smart Antenna
ScanStation C10 with 360 Prism
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Rich 3D pointcloud data
High-Definition Surveying Solutions
HDS6200Ultra-high
speed scanner – 79m• Web-based access to cloud data• Remote visualisation• Full 3D dimensioning• Hyperlink to external documents
TruView
• 3D CAD model building • 2D drawing extraction • Point cloud analysis• Unlimited point capacity
Cyclone
Point cloudanalysis within popular CAD applications
AutoCAD, 3D Studio, Maya
MicroStation CloudWorx
PDMS CloudWorx
SmartPlant 3D & SPR
• Rapid 2D topographic deliverables from point clouds
• Unique intuitive interface
CloudWorx
Cyclone II Topo
• Complete Meshing and Inspection Solution3DReshaper
HDS8800Very Long-range,
Mining and Quarry specificScanner – 2000m
ScanStationC10All-in-one, surveying
Scanner – 300m
HDS7000Long-Range,
High-Accuracy, Class 1 Laser – 187m
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Take your scanner mobile !
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HDS Fundamentals
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What is High-Definition Surveying?Laser Scanners Producing Rich Point Cloud Data
Laser Scanning• 3D data capture• Fast, accurate, complete, remote• Full panoramic, full colour• Compatible with TPS/GPS
From Realityto 3D Data
Point Clouds• Remote visualisation• x,y,z engineering measurements• 3D CAD and 2D drawing extraction• Data analysis (volume, clash, etc)
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Primary differentiating feature: high density “as-built” or “as-is”
geometric data
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The data is so dense, you get the The data is so dense, you get the added value of an added value of an imageimage
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Point Cloud with True Color OverlayPoint Cloud with True Color Overlay
…… add color & add color & 3D visualization, 3D visualization,
and you have and you have ““highhigh--definitiondefinition””
informationinformation
Scan DemoScan Demo……
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Field ScanningReconnaissance
RegistrationModeling
Identification Of Site & Equipment To Be Scanned On Site
Field Scanning , Location By Location
Registration Of Field ScanningModeling (Semi Intelligent)
3D LASER SCANNING 13
Field to Finish Methodology
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Semi-IntelligentRaw Data
Intelligent
Registered Point Clouds
Intelligent 3D Model
Semi Intelligent 3D Model AutoCAD & MicroStation
Isometric DrawingP & ID
3D LASER SCANNING 14
Field to Finish Methodology
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HDS ApplicationsLaser Scanning in Practice
Buildings• 3D models• 2D drawings• Full colour visualisation
Forensics & Other • Crash investigation• Archaeology• Entertainment
Civil/Survey• Road and rail• Volume calculations• Tunnelling
Plant • Intelligent 3D CAD• Clash detection• CloudWorx within applications
Forensic Demo…
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High-Definition Surveying – Design Deviation and Progress
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High-Definition Surveying - Mining
Triangulation
EOM comparison
Scans
Stockpiles
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High-Definition Surveys – BIM BIM
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High-Definition Surveying - Transport
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High-Definition Surveying – Topographic Survey
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Complete tunnel as-built:1. Excavation records
(e.g. profile, volume)2. Quality Control
(e.g. profile, shotcrete layer thickness, volume)
3. Acceptance Checks(e.g. profile, concrete volume)
4. Tunnel Surface Deformation5. Evidence for Disputes6. Final As-Built Documentation7. Safety and Training8. Asset Management
1 2
3 6
5
High-Definition Surveying - Tunneling
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High Definition Survey - Infrastructure
Benefits
Remote
Complete
Accurate
Efficient
Safe
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Christchurch EarthquakeHigh-Definition Survey to Document, Assess, Preserve and Restore damaged sites and structures
Cracks identified with HDS
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When does this technology make sense to deploy?
When it costs less than conventional
When it costs the same as conventional, but can provide meaningful “added-value”
Better quality, more complete data
Potential re-use/multi-use of data
Fuzzy scope, expected scope changes
Need to minimize schedule and construction risk
Faster project turnaround
Traceability
Safety
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Plug-in forAutoCAD et al
Shrink-wrapfor visualization
Direct pt-to-ptmeasurements
Process into models for export to CAD
Process into topo,Feature codes
for export
Plug-in for MicroStation et al
Design/verifyinside
pt clouds
Import CADmodels
Point Clouds
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Thank youFaheem Khan+65 9092 [email protected]