3D DESIGN IN ALTERNATIVE DELIVERY Innovation, Savings, and Supplementing TxDOT Resources

Transcription

1 3D DESIGN IN ALTERNATIVE DELIVERY Innovation, Savings, and Supplementing TxDOT Resources

2 Brief History 2

3 Conveying the Design Old Way Reviewing Changes Schematic Intent Design Change 3

4 4

5 Conveying the Design New Way Reviewing Changes Schematic Intent Design Change 5

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7 Conveying the Design New Way Reviewing Changes Schematic Intent Design Change 7

8 What is 3D Design? 8

9 What is 3D Design? 9

10 What is 3D Design? 10

11 What is 3D Design? X: Criteria Files 11

12 What is 3D Design? ITL: Template Libraries 12

13 What is 3D Design? 13

14 What is 3D Design? 14

15 Not Fake News Bentley is no longer developing GeoPak SS2 No more criteria Current products are centered around templates (visual criteria) and 3D corridor modeling OpenRoads is Bentley s new line of products embraced by DOT s around the country The industry is moving towards 3D data rich models. TxDOT will shift towards a 3D model centric deliverable in the coming years Contract language, policies, and procedures will be further refined and developed to allow for this FHWA is encouraging this through their EDC (Every Day Counts) program 15

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17 Why are we doing this? Start at conveying the design intent in a more digestible format Build the relationships to build confidence in the design What exactly are we trying to model? 17

18 Why are we doing this? Cost of change raises the farther down the production line. We can create design rules so that if we were to change one part of the design, we can see it s effects throughout the rest of the design. We re building relationships within the software to help us do our job and automate some changes 18

19 OpenRoads Relationships (Rules) 19

20 OpenRoads Relationships (Rules): QC Geometry 20

21 Innovation & Time Savings: QC Model Clash Detection Make quick changes to a design to see it s impacts Show utility conflict after changing stack image with open bridge model in an all encompassing environment 21

22 Innovation & Time Savings Make quick changes to a design to see it s impacts Show utility conflict after changing stack image with open bridge model in an all encompassing environment 22

23 Innovation & Time Savings: QC Vertical Clearance Track, document, and verify clearance issues 23

24 Innovation & Time Savings: Slope QC Between Sections Display multiple views to analyze steep or flat slopes 24

25 Conveying the Design New Way 500 Yr WSE Insert Overlay 25

26 Innovation & Time Savings: Quick Quantities 26

27 Innovation & Time Savings: Quick Quantities 27

28 Innovation & Time Savings: Faster Earthwork 28

29 How does this help the developer for ATC s? Analyze multiple options faster and tweak to optimize 29

30 How does this help the developer for ATC s? Analyze multiple options faster and tweak to optimize 30

31 How does this help me with Alternative Technical Concepts (ATC)? ATC s what can we add to the process to help better evaluate and approve ATC s? ATC workshops/model Reviews Shows more detail. More detail shows the impacts to other disciplines. Shows consideration to other disciplines and builds confidence. Can be used to assess and lower risk. Doesn t take the place of design experience, but it better communicates design experience instead of the Trust me. It works tactic. Now we can trust, but we can verify 31

32 How does this help me with Alternative Technical Concepts (ATC)? Over The Shoulder reviews help build real time confidence Develop models with parametric switches and constraints to show quick/live changes The ability to prepare what-if scenarios to flip back and forth between options or have additional developed models to fly through. Show that it s much more intuitive than, show me the sections and give me time to walk through them, though we can still do this. 32

33 Schematic Design - RIDS 33

34 Alternative Technical Concepts (ATC) Example Insert Final Design picture from Erica 34

35 What does it take to get here? Training Easier than criteria We can train a 3 month EIT the basics of corridor modeling to produce better cross sections than an intermediate criteria writer with years of experience. Contractors are using this in conjunction with rovers and survey control networks in the field 35

36 What does it take to get here? Use of SS3 has been improved in SS4 for i- models and export to Trimble Business I-models (more advanced detail in XML) have more information than XSR s. Legislature Methods to sign and seal the model. This will lead to more detailed models as opposed to models just good enough to get cross sections every 50 or

37 How does this help me with Alternative Technical Concepts (ATC)? Potential Workflow Centered around the 3D Model Provide 3D Model Over The Shoulder Review Proceed towards Final Design Feed AMG & Provide Construction Information Create 4D Scheduling for Analysis and Optimization Create 5D Cost Analysis and Optimization Develop Asset Management and O&M 37

38 Moving 3D Design Forward Construction with the plans as FIO (For information only) Requires support: change in legislation, policy & standards development DOT s with plans moving forward (Utah, Florida, Oregon, etc.) 4D = Design Model broken into Construction Phases + Schedule 5D = Design Model broken into Construction Phases + Schedule + Cost per Phase Comprehensive QA/QC Asset Management Virtual Reality/Augmented Reality for communication (Potential uses) 38

39 Potential Savings **UDOT IDC Guidance Document April

40 How does this help me with Alternative Technical Concepts (ATC)? 40

41 How does this help me with Alternative Technical Concepts (ATC)? 41

42 How does this help me with Alternative Technical Concepts (ATC)? 42

43 How does this help me with Alternative Technical Concepts (ATC)? 43

44 Summary What can 3D Design in OpenRoads do for us as the client, designer, and contractor? Reduce risk by finding potential issues earlier Reduce time for alternative analysis exploration Run quicker gut check quantities Increase confidence in the design Convey design intent faster 3D model shows the considerations to other design elements (road to road, bridge column to utility to drainage, etc.) Can promote a closer relationship between the client, designer, and contractor at various stages for a successful project 44

45 Questions? Questions? See me after the presentation or me at 45