bim and laser scanning chris baze, aia bim manager hawaiian … · 2013-12-23 · bim and laser...
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BI M a nd L a se rSc a nningChris Baze, AIABIM ManagerHawaiian Dredging Construction Company
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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.
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Included with Building Suites
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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
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Active Reality Capture - LIDAR
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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
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Leica C10 Time-of-flight Scanner Resolution Camera Resolution ~15 min per scan
Time-of-flight Scanner Resolution Camera Resolution ~15 min per scan
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Data ShadowsData Shadows
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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
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Survey Control
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ReCap Registration
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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
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Elevation Map
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Overhead Clearance Study
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Natural/Irregular Surfaces
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Heavy/Civil Work
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Existing Conditions
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Compare Point Cloud to Actual
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Floor Remediation
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Slab – Before and After
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Traditional Surveys
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Plan Overlays
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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
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