Project Experience Using Information Models for …...Project Experience Using Information Models for Design and Detailing AASHTO SCOBS Meeting June 12, 2017 T-19 Subcommittee Josh

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

2

Sustaining a 21st Century WorkforceJosh Sletten, PEWSP Bridge Area Manager – Utah, Idaho & Montana

3

Workforce Development

4

Using BrIM before there are Standards

5Image Credit: FHWA

Favorable Uses for Different Project TypesJosh Sletten, PEWSP Bridge Area Manager – Utah, Idaho & Montana

6

Design Production

7

Detailing

8

Data Repository for Asset Information

9

“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

10

Michigan DOT Research Project

11

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

12

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

13

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

[email protected]

[email protected]

Coming Soon!Guide for Creating 3D Engineered Models for Bridges and Structureshttps://www.fhwa.dot.gov/construction/3d/guidance.cfm