project experience using information models for …...project experience using information models...
TRANSCRIPT
Project Experience Using Information Models for Design and Detailing
AASHTO SCOBS Meeting June 12, 2017T-19 Subcommittee
Josh Sletten, PE and Francesca Maier, PE
Agenda
• Sustaining a 21st Century Workforce• Favorable Uses for 3D Models in Design• Managing Risks Associated with 3D Models
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Sustaining a 21st Century WorkforceJosh Sletten, PEWSP Bridge Area Manager – Utah, Idaho & Montana
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Workforce Development
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Using BrIM before there are Standards
5Image Credit: FHWA
Favorable Uses for Different Project TypesJosh Sletten, PEWSP Bridge Area Manager – Utah, Idaho & Montana
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Design Production
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Detailing
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Data Repository for Asset Information
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“Subdivision of individual elements shall be at an appropriate scale, determined by the Private Partner. Subdivision at the scale of, for example, “bridge” is not
acceptable, and subdivision at the scale of, for example, “bolt” is not necessary.”
Geometry and Data
Managing Risks Associated with 3D ModelsFrancesca Maier, PEService Area Manager—CIM
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Michigan DOT Research Project
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https://mdotjboss.state.mi.us/SpecProv/trainingmaterials.htm
Talia N. Belill, P.E.Michigan DOTEngineering Support ServicesOffice: [email protected]
Cannot use the data. Specify deliverables.
Protect Institutional Data Assets
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Data doesn’t align to the BMS. Specify minimum resolution.
Segmentation of 3D Model Elements
Accu
racy
of 3
D D
imen
sion
slo
whi
gh
low high
Control Data Organization & Resolution
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Clash Detection Fabrication
4D ModelingVisualization
Clearly Define Expectations
14Expensive & not as expected. Specify requirements by element.
Using 3D Models Created by Others
• Grid vs. Ground• Level of Development• Data Exchange
15Model used not as intended. Use element-level metadata.
Questions
Coming Soon!Guide for Creating 3D Engineered Models for Bridges and Structureshttps://www.fhwa.dot.gov/construction/3d/guidance.cfm