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The IFC/Cobie Report 2012

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The IFC/Cobie Report 2012 The IFC/COBie Report 2012 theNBS.com/BIM openbimnetwork.com The IFC/COBie Report 2012 1 Table of Contents Report written by Foreword: Ian Chapman ................................ ............ 2 Adrian Malleson – Research and Analysis Manager, NBS Context of the trial: David Jellings ........................... 3 Executive Summary................................................... 4 Introduction ................................................................ 5 Background ................................................................ 6 Stefan Mordue – Architect and Technical Author, NBS Objectives of the trial ................................................ 6 Methodology .............................................................. 7 Outline ......................................................................... 7 The design process ..................................................... 8 Technical findings of the trial ................................ ... 10 Working with IFC ......................................................... 10 Stephen Hamil – Director of Design Questions regarding COBie ......................................... 10 The benefits of COBie ................................................. 11 and Innovation, NBS The challenges of working with COBie ........................ 12 Technology enhancements required ........................... 13 Findings from group discussion .............................. 14 Emerging themes ........................................................ 14 Conclusion ................................................................. 16 Trial Project Manager The UK Government -supporting open standards.. 17 Nick Nisbet .................................................................. 17 David Jellings – Director, OPEN BIM Acknowledgements ................................................... 17 Network Foreword Ian Chapman – Head of Specification, NBS. Director, buildingSMART UK The IFC/COBie Report 2012 2 Foreword Open BIM technologies, such as As it is now 18 months since the launch buildingSMART International’s Industry of the UK Government’s Building Foundation Classes (IFCs), have been Information Modelling (BIM) Strategy, the developed over many years, since 1994 need to test some of the practicalities of in fact, and exist with the sole aim of BIM is ever pressing. ‘How do we make enabling interoperability between BIM BIM work?’ is a popular discussion topic applications. The suitability of IFC was at conferences and across social media scrutinized during this trial and the channels and, whilst the Government findings are most interesting. Firstly, IFC mandate for information in an open is a suitable mechanism for the creation standard is clear, industry needs to break of COBie data drops and secondly, yes down the barriers to adoption. Studies there are tools already in the market such as this get into the detail of BIM and place that generate COBie from IFC, but help to make it a success. It’s time to roll overall the support for COBie in BIM up our sleeves and make BIM a reality. applications varies and must improve. There remains a lot to be done in this Getting to grips with new technology is area but with the backing of the BIM always a challenge, with BIM it is Technologies Alliance and the OPEN overcoming the cultural and process BIM Network, there is a drive to create changes that it brings. The benefit of tools that support COBie (and beyond) proactive group discussion was evident which is most encouraging. during this trial and the spirit of openness amongst competing commercial The rest of the world is in awe of the UK organizations was a strong indication that BIM strategy and the progress made so industry is working together to achieve far. I hope that this report will encourage the 2016 level 2 BIM objective. This the construction industry to move forward requires a sound understanding of the with BIM. It’s an opportunity we can’t practicalities of BIM and although those afford to miss. taking part in the trial had limited knowledge initially of the role of COBie in Ian Chapman – Head of Specification, this, they reached a common view that it NBS is the right choice. That said, it became clear during the trial that industry needs For further reading, please see: more support, more tools and project based evidence for BIM adoption to be BIM for Specifications achieved on a far broader scale. theNBS.com/topics/BIM/articles/ bimForSpecifications.asp Real world construction must get to grips BIM for Service Engineers with BIM. Despite being well defined the theNBS.com/topics/BIM/articles/ limited and in many cases non-existent bimForBuildingServicesEngineers.asp practical knowledge of COBie amongst BIM and Roofing clients, designers, contractors and theNBS.com/topics/BIM/articles/ manufacturers is alarming. To get BIM bimAndRoofing.asp working industry needs to experience it firsthand. So if you haven’t tried COBie yet, give it a go – as this study shows it’s the best way of getting to know it. The IFC/COBie Report 2012 3 Context of the trial From the outset, the ‘concept’ nature of In considering BIM as the process that the trial has been stressed and all gives all those involved access to the participants understood that even a information they need, when they need it, positive outcome would be just a first efficient deployment requires three things step. But the journey has to begin to happen. somewhere and in addressing the three key requirements outlined above, this trial Ways need to be found to: is a good place to start. Create model data in a consistent On behalf of the OPEN BIM Network, I format would like to thank the contractors Exchange that data in a common participating in this initial trial - BAM, language Carillion, Mace, Laing O’Rourke, Interrogate the data intelligently. Skanska, Wilmott Dixon, Wates and VINCI Ltd; BIM Academy for providing This year, whilst working with a number parallel studies; plus several leading of Tier 1 contractors and their supply technology/design sources, for providing chains, we explored the most efficient model data and technical support. ways to deploy BIM. Universal feedback Special thanks are given to NBS as the indicated that, due to the large number of primary partner responsible for policing ‘BIM tools’ in regular use across the the trial and producing this report. lifecycle of a building, a common language for data exchange is essential. In terms of recent catalysts for change, Only then can all stakeholders select the this report may become a key contributor. technologies that best meet their I hope that it provides food for thought particular needs. and informs strategy going forward. In response to this, the OPEN BIM David Jellings – Director OPEN BIM Network was founded earlier this year. It Network represents a rapidly growing membership who believes that using open For further Information about the Open communication protocols is the only BIM Network, see: logical way to proceed, if the benefits of BIM are to be realised. openbimnetwork.com With this fundamental principle established, leading industry names provided a mandate for a ‘concept trial’ to address a topical industry problem and whether IFCs can provide a solution to the problem – i.e. be used to visualise and validate COBie data in, and extract resulting data from, the Building Information Model. The ability to do this efficiently will both help the Government agenda and advance the increasing business demand for open protocols. The IFC/COBie Report 2012 4 Executive Summary structured models can, and perhaps The Government is committed to Building must, be the future for the construction Information Modelling (BIM) and the use industry. of open-standard data so that the construction industry can deliver greater That said there are challenges ahead. value and be more efficient. The open- The participants were keen to describe standard data format required for level 2 and explore a number of issues they BIM is defined in the Construction currently faced, concerning Operations Building information standardisation, software capabilities and exchange (COBie) data schema. COBie industry commitment. The group made allows information about buildings to be recommendations in respect to how organised, documented and shared in a these issues could be resolved. standardised way. It is particularly helpful to those who come to manage a building. The most pressing needs the group identified were: We wanted to test whether the buildingSMART IFC file format was The need for standards capable of supporting the creation of The need for guidance COBie datasets and we did this by The need for enhanced IFC import running a trial with a number of Tier 1 export routines from BIM contractors. applications The objectives of this trial were: The need for agreed descriptions of who requires what data and when To validate and check the suitability The need for an improved audit trail of an IFC file for the generation of a to allow greater confidence in ‘COBie data drop’ collaboration. To validate and check the generation The trial was initiated by the OPEN BIM of the corresponding COBie datasets Network after consultation with from the IFC file Government and industry To uncover any issues with the use representatives. A number of of IFC for COBie in real business organisations supported NBS and the environments. OPEN BIM Network during the trial and are thanked in the acknowledgements. These objectives were met through a series of technical exercises and
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