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2. CV6635 - Civil3D Techniques for Modelling Complex Urban Realm
Ian Philpott
Development Infrastructure Engineer

3. Class summary
Civil3D techniques for modelling complex urban realm, SUDS, parking & loading, piazzas and multiple variations. Aggregate and visualise in Navisworks for interfacing

4. Key learning objectives
At the end of this class, you will be able to:
Set-up data model structures for large or complex projects
Use offset alignments and conditional subassemblies to model complex footways speeding up rebuild times
Use dynamic tin surfaces to model urban realm formations and utilities
How to split up data for speed and merge data for presentation

5. About the Speaker

6. 18yrs Experience with both Consultants and Contractors
Joined Scott Wilson in 2001, which was bought by URS and now part of AECOM.
Specialises in the design and 3D modelling of complex development infrastructure projects
Actively involved in fee earning projects day to day
Chair of URS’ Civil3D Steering Group within EMI Region
Passionate about BIM processes

7. North West Cambridge – University of Cambridge
Project Cost - £1.1bn
150Ha site
Phase 1 under construction
URS – Multidisciplinary Engineer
AECOM – Masterplan / Landscape / Sustainability

8. Brent Cross Cricklewood
Project Cost - £4bn
Major urban regeneration
New town centre including 7,500 homes, 27,000 jobs, three re-built schools, new parks and community facilities, a new train station, and major road and public transport improvements.

9. Introduction

10. Data Structure

11. Critical Issues
Good data structure is essential
Make regular backups
Control data from others
Data splitting
Object naming

12. Object Naming – Why is it so important?
Model Clarity
Data Extraction
Navisworks Search Sets

13. Urban Realm with Corridors

14. Mini Swales & Rain Gardens
Curvy Layby
Mini Swales & Rain Gardens

15. Looks easy doesn’t, that’s what I thought. Umm NO it’s not.
Curvy Layby
Looks easy doesn’t, that’s what I thought. Umm NO it’s not.
What are the issues
Alignment can’t be done with automatic curve widening
Level differentials
Kerb transitions
Assembly insertion overlaps (bow ties)
How do we make it work?

16. LIVE DEMO

17. Mini Swales and Rain Gardens
SUDS a mandatory part of urban design
What are the issues
Limited space
Start / stop features
Varying widths and depths
Treatment at end of the swale
Getting a formation model

18. LIVE DEMO

19. Utilities
Biggest co-ordination challenge nightmare
Get it right it 2D, standard depth for 3D then sort the issues
Use pasted surface or dynamic TIN to show min. cover

20. Utilities
Get your object naming right. You’ll need it later
Use your Civil3D file direct in Navis for quick refreshes
Master Navis clash detection

21. LIVE DEMO

22. Urban Realm without Corridors

23. Design Piazzas to Control Overland Flow

24. LIVE DEMO

25. Bring it Back Together

26. Bring it Back Together – With Navisworks
Start with the basics – add some files and do a visual inspection
Most valuable tool I’ve have added to my toolbox for years
Master search sets – now you will see I’ve harped on and on about object naming
Take the model and show your Clients and Stakeholders. It really helps

28. LIVE DEMO

29. Summary

30. Key Points I Getting Started Urban Realm Corridors
Take 5 and think about before you start.
Develop a good data management structure
Divide and conquer
Get your object naming right. It pays dividends later
Urban Realm Corridors
Temporary corridors are your friend when setting level on offset alignments
Make use of conditional sub-assemblies
The model may not be perfect, a good representation is sometimes the best we can do

31. Urban Realm without Corridors
Key Points II
Utilities
Just about the most complex task we deal with in the urban environment
There will be clashes the first time out
Make a dynamic link between Civil3D data and Navis model
Urban Realm without Corridors
Think about overland flows
Use dynamic TIN surface make your formation dynamic to the top just like a corridor

32. Key Points III Bring it Together
Teach yourself the basics, its easy then get some training to make the most of the advanced features
Use your object naming to automate appearance control and search sets
Master clash detection
Take your model and show your Clients. It really helps
Make use of point clouds

33. Questions

34. Thank you for listening. Enjoy the rest of your AU experience
@ian_philpott

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