BIM and Laser Scanning Chris Baze, AIA BIM Manager Hawaiian … · 2013-12-23 · BIM and Laser...
Transcript of BIM and Laser Scanning Chris Baze, AIA BIM Manager Hawaiian … · 2013-12-23 · BIM and Laser...
BI M a nd L a se rSc a nningChris Baze, AIABIM ManagerHawaiian Dredging Construction Company
AIA Honolulu is a Registered Provider with the American Institute ofArchitects Continuing Education Systems. Credit earned oncompletion of this program will be reported to CES Records for AIAmembers. Certificates of Completion are available on request.
This program is registered with the AIA/CES for continuingprofessional education. As such, it does not include content thatmay be deemed or construed to be an approval or endorsement bythe AIA of any material of construction or any method or manner ofhandling, using, distributing, or dealing in any material or product.Questions related to specific materials, methods, and serviceswill be addressed at the conclusion of this presentation.
AIA Honolulu is a Registered Provider with the American Institute ofArchitects Continuing Education Systems. Credit earned oncompletion of this program will be reported to CES Records for AIAmembers. Certificates of Completion are available on request.
This program is registered with the AIA/CES for continuingprofessional education. As such, it does not include content thatmay be deemed or construed to be an approval or endorsement bythe AIA of any material of construction or any method or manner ofhandling, using, distributing, or dealing in any material or product.Questions related to specific materials, methods, and serviceswill be addressed at the conclusion of this presentation.
Included with Building Suites
3D Reality CaptureActive• Instrument emits own
light (laser)• Line of sight only
Passive• Collects ambient
light (camera)• Only a regular digital
camera needed
Active• Instrument emits own
light (laser)• Line of sight only
Passive• Collects ambient
light (camera)• Only a regular digital
camera needed
Active Reality Capture - LIDAR
Terrestrial Lidar• Phase Shift & Time-of flight lasers• 3-15 min per 360 degree scan• Quantifiable accuracy, tighter than 1/8”• Some have on-board GPS and compass
Leica C10 Time-of-flight Scanner Resolution Camera Resolution ~15 min per scan
Time-of-flight Scanner Resolution Camera Resolution ~15 min per scan
Data ShadowsData Shadows
Multiple Scans
Targets allow meshing of multiple scans No compensator – 3 common targets Compensator -2 common targets
Targets allow meshing of multiple scans No compensator – 3 common targets Compensator -2 common targets
Survey Control
ReCap Registration
Registration
• PointsThe percentage of points which fall less than 6mmfrom the equivalent point in a neighboring scan
• BalanceThe quality of visible features used in registration
• OverlapThe percentage of usable points in the scan thatoverlaps with the current registration group
• PointsThe percentage of points which fall less than 6mmfrom the equivalent point in a neighboring scan
• BalanceThe quality of visible features used in registration
• OverlapThe percentage of usable points in the scan thatoverlaps with the current registration group
Elevation Map
Overhead Clearance Study
Natural/Irregular Surfaces
Heavy/Civil Work
Existing Conditions
Compare Point Cloud to Actual
Floor Remediation
Slab – Before and After
Traditional Surveys
Plan Overlays
Cost Considerations
Survey Control Number of Scans Deliverables needed Space Availability BIM LOD Turnaround time
Survey Control Number of Scans Deliverables needed Space Availability BIM LOD Turnaround time
www.usidb.org