bim: an overview
DESCRIPTION
presentation by Paul Wilkinson to CIMCIG BIM conference, Building Centre, London WC1 on Wednesday 25 April 2012.Presentation explains what BIM is (and isn't), and outlines why it has become important in 2012, as the UK construction industry looks to meet a UK Government BIM deadline by 2016.TRANSCRIPT
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pwcom.co.uk
CIMCIG BIM conference – April 2012
BIM: an overview
Paul WilkinsonBA PHD DipPR(CAM) MCIPR
director, pwcom.co.uk Ltd
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• who am I?
• what is BIM?
• why is it important now?
• what's happening now?
• what can we deliver with BIM?
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Who am I?• B2B PR since 1987
–in-house: Halcrow,Tarmac, BIW
–consultancy clients include:4Projects, AEngD, BIW,CodeBook, Unit4, Sypro
• writer, technology consultant
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SpecsDrawingsMinutesProgrammesCost plansetc
EmailCourierPostFax
Traditional AEC collaboration (c. 1990s)
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Online file management Single central repository Fewer interoperability issues Less paper Latest information Complete project record Full information audit trail Greater re-use of information
But ... nearly all still 2D email often used instead
Online AEC collaboration (c. 2000s)
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IT rarely on Government construction agenda
2002 first time ICT seen as a cross-cutting issue(Accelerating Change)
2008 House of Commons Business & EnterpriseCttee: Construction Matters (but IT doesn't)
… Despite strong push from industry, eg: Constructing Excellence Construction Commitments National Platform for the Built Environment
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BIM is not CAD
“CAD helps people to draw. BIM helps people to construct.” (Richard Saxon, Ecobuild, February 2009)
“BIM is not CAD. BIM was never meant to be CAD. CAD is a replacement for pen and paper, a documentation tool. By comparison, BIM programs are design applications in which the documentation flows from and is a derivative of the process, from schematic design to construction to facility management.” (Pete Zyskowski, Cadalyst)
“Drawing is Dead – Long Live Modelling” (CPIC)
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BIM is not ...
BIM is not … new … just an IT issue... or just software … 3D … something designers do … just about project delivery … a short-lived fad … irrelevant to small projects … “the silver bullet” or “Holy Grail” … optional?
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What is BIM?
Building Information Modelling is digital representation of physical and functional characteristics of a facility creating a shared knowledge resource for information about it forming a reliable basis for decisions during its life cycle, from earliest conception to demolition.
(definition: CPIC)
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What is BIM?
Building Information Modelling Building Information Model Building Information Management
Hence BIM(M)
(definitions courtesy: Dave Jellings, SmartBIM Solutions)
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What is BIM?
Building Information Modelling is
… a business process for generating and leveraging building data to design, construct and operate the building during its lifecycle.
(NB: not just buildings, infrastructure, etc too)
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What is BIM?
A Building Information Model is
... the output of the business process resulting in a digital prototype, a virtual computer model of a project which holds selected structured data about the asset (design, quantity, time, cost, as-built, etc).
3D + time (4D) + cost (5D) + .... (nD)
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What is BIM?
Building Information Management is
... the organisation and control of the business process using the digital prototype to effect the sharing of information over the entire lifecycle of an asset.
(NB: whole life approach)
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Why is BIM important now?
2009
“... I need no persuading [of] the enormous potential that lies in more intelligent use of ICT...”
“... on my agenda … to encourage the take-up of existing and future ICT tools...”
(ExtranetEvolution, December 2009)
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Why is BIM important now?
Nov 2010
Spring 2011
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Why is BIM important now?
www.bimtaskgroup.org/
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Why is BIM important now?2016
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Why is BIM important now?
2016
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COBie UK 2012 (revised 5 April 2012)
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Not just technology. People and process too
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Not just technology. People and process too
Spring 2012
Spring 2011
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Not just technology. People and process too
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OPEN BIM
launched March 2012 collaborative design, realisation and operation of
buildings based on open standards and workflows founding partners
buildingSMART International (bSI) vendors (eg: Tekla, Nemetschek, Graphisoft); backed in UK by Constructing Excellence
using the open buildingSMART Data Model, IFCs
Poor interoperability cost US AEC industry $15.8bn per annum (NIST, 2004) – mainly borne by owners!
www.graphisoft.com/openbim/
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BIM libraries
(some offering IFC objects)
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What can we deliver with BIM?
UK Government aspiration:
“... reducing capital cost and the carbon burden from the construction and operation of the built environment by 20% ...
… the adoption of … technologies, process and collaborative behaviours that will unlock new more efficient ways of working at all stages of the project life-cycle.”
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What can we deliver with BIM?
Higher quality, more reliable design information greater client certainty/predictability (time, cost,
quality) earlier better visualisation better multi-disciplinary collaboration quicker, more consistent and easier coordination of
design documentation earlier, accurate, complete procurement data
('smart' BoQs); elimination of waste and rework better construction and project management ('build it
once virtually, then build it for real') better 'as-built', whole-life information for O&M
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What can we deliver with BIM?
Fully computable, reliable information no checking or re-keying of data automated compliance checking (Singapore)
“The end-to-end stream of BIM data will help unify the industry's supply chains, freeing construction from its craft origins, transforming it into a modern, sophisticated branch of the manufacturing industry.”
Ray Crotty (2011) The Impact of Building Information Modelling
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Beware “BIM-wash”
Avoid inflated or deceptive claims of using or delivering BIM services or products, eg:
BIM competency (individual, team, organisation) as designers or contractors
BIM knowledge among IT implementation or consultants and/or trainers
functionality/interoperability in BIM software speed/capacity of hardware/comms used for BIM quality of BIM library objects BIM capabilities/needs as owner/operator
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The four levels of “BIM-wash”
confusion – inexperience – exaggeration – illusion
Bilal Succar (2011) Understanding BIM-wash
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Q&AThank you
Contact: Paul WilkinsonWebsite: www.pwcom.co.uk
Tech blog: www.extranetevolution.comPR blog: www.blog.pwcom.co.uk
Email: [email protected]: +44 (0)20 8858 1104
mob: 07788 445920Twitter: @EEPaul
http://www.google.com/profiles/paul.wilkinson19