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BIM Awareness Briefing

BIM Awareness Briefing. What is BIM?. It is not just 3D CAD or Revit It is not just a new piece of technology. Characteristics of a BIM Project. Common Data Environment (CDE) - Building information is stored virtually in the CDE. Up-to-date information and documents can be accessed by all.

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BIM Awareness Briefing

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  1. BIM Awareness Briefing

  2. What is BIM? • It is not just 3D CAD or Revit • It is not just a new piece of technology

  3. Characteristics of a BIM Project Common Data Environment (CDE) - Building information is stored virtually in the CDE. Up-to-date information and documents can be accessed by all. Greater Predictability – Buildings can be modelled virtually prior to construction to identify and eliminate potential buildability issues. Collaborative Working – Design input from all members of the design team combined in the same BIM model to ensure coordination.

  4. BIM Data Single, federated model during the design and construction phase. 3D objects can contain embedded data and links to other documents. On completion, building information is handed over to the client for use in planning future works/alterations and facilities management 3D model can be interrogated at design stage to look for weaknesses and anticipate buildability issues

  5. Why is BIM Usage Increasing? • 2011: UK government Construction Strategy requires the use of BIM Level 2 on all Government-funded projects by April 2016. • 2016 Strategy: Sets out more details of how 33% delivery savings may be made, focus on development of digital standards to enable BIM Level 3 • Government investment in R&D, including digital construction as part of its Industry Strategy • Large contractors using BIM and methods filtered down through supply chain • National BIM Survey 2017 - 62% of design practices use BIM on some projects - up 8% year on year

  6. Modelling – 3D, 4D, 5D https://www.youtube.com/watch?v=d639sCo9kLw • Technologies enabling combination of programme and design information through 4D modelling • Greater design certainty leading to fewer on-site changes • Temporary works can be included in the 4D model to produce phased representation and eliminate clashes between temp and permanent works • Planning deliveries, traffic management, phased site setup arrangements etc. • Site induction tool to give overview of the site and show emergency measures/escape routes etc.

  7. Clash Detection Clash detection during the design phase means that potential issues can be designed out, avoiding on-site changes and high risk rework on site.

  8. How BIM Can Improve Safety on Site Enables designers to better visualize and mitigate risk together using the model. Clash detection Planning site setup, layout and access arrangements Highlight potential hazards Explain sequences and procedures Emergency planning Site induction Demonstrate and manage change

  9. Risk Communication • Highlighting hazards on the model allows users to quickly identify risks. • Sequences that might be difficult to visualise via text can be quickly conveyed via a 3D model. • 3D modelling enables workers to gain a greater understanding of site and project risks. • Models can include links to additional information and images, which enables users to better understand particular risks. • Embedding links within the model means that all information can be accessed via this central point by all parties involved. • https://www.youtube.com/watch?v=MvhwouZi0cc

  10. Case Study: Bond Street to Baker Street tunnel relining project – Transport for London https://www.youtube.com/watch?v=eN2MBIfhxBI

  11. Related Technologies • QR codes • Virtual Reality • Augmented Reality • https://www.youtube.com/watch?v=33dVSP0hcZ8

  12. Further Reading • Accessible writing style • Includes explanation of BIM methodologies • Case studies

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