Bim presentation km 21-10-2011
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Transcript of Bim presentation km 21-10-2011
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MANAGING BIMThe quest to accumulate and integrate building data in the UK
Kamran MoazamiWSP Group 21 October 2011
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WHAT IS BIM?IT’S NOT A TECHNOLOGY, IT’S A PROCESS
BIM: “A digital representation of physical and functional characteristics of a facility . . . and a shared knowledge resource for information about a facility forming a reliable basis for decisions during its life-cycle; defined as existing from earliest conception to demolition”.
BIM is a socio-technical system which has the power to totally transform the design and construction industry and the way business is done.
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What is the main reason that UK demands BIM in all public procurement?
• Construction cost over run and waste is a normal industry practice even with the introduction of CAD and automated design since 1980.
• European Construction Industry 2003 reported £80bn waste.
• The reported UK Government construction capital expenditure per annum is £60bn.
• The Government also report a £10-20bn of waste due to: Incomplete designInaccurate drawings, specification, production dataUn coordinated drawings and dataAmbiguous models or drawings
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UK Government BIM Maturity Chart
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Government Expectation
• Government expectation is for a roll-out of BIM, to at least level 2 by 2016, which includes the delivery of project and asset information within an integrated 3D model produced and managed through a collaborative process.
• Not just buildings but infrastructure as well.
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United KingdomDivided but not conquered
BIM encounters scepticism in the UK
The government is catching up Official standards released in 2009 Public procurement policy change in 2011
Doubts about the capabilities of software and motives of its vendors
…BIM survey to over 6,500 construction industry professionals. …They showed a clear split in the industry. Almost half admitted they were not even aware of BIM; however, the remainder were aware
and are making preparations to adopt it on the majority of their projects.”
- Stephen Hamil, NBS BIM report 2011
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What is the reason why the demand for BIM has not been before?
Perhaps
• Economic boom • Industry too busy to realize the need.
But also
• Technology not there before.• Computers were not fast enough.
• Computer software not as advance.
• Data storage space not adequate
• Lack of network communication speed.
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Design Construction
Facilities Management
WSP BIM UK BIM GOALS AND PRESENT PROJECTS
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Planning
Conceptual Design
Detailed Design Analysis
Documentation
Fabrication
Construction 4D/5D
Construction Logistics
Operation and MaintenanceDemolition
Renovation
Building InformationModelling
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3D Graphical Model
Information Database
Building Information Model
Design Stage
Management Stage
WSP BIM Services
Construction Stage
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Early collaborative studies of space allocation and constructability.
ACCUMULATION AND EVALUATION OF DATA BEGINS IN EARLY STAGES
Design
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Heron Plaza
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Laser Survey
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Revit /Laser Survey Model
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Converting 2D document to 3D models is an integral part of these early steps in building modeled environments
Design
Build
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BIM value is dependent on successful transfer of accumulated data for records and analysis.
Building data creation spans a multitude of authoring software and disciplines.
INFORMATION ACCUMULATION
Design
Service
Model
Build
Data
The Place
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CONFLICT DETECTION AND RESOLUTIONPRESENTATION OF COMPLEX ISSUES FOR ACCELERATED RESOLUTION
Conflict image with project grid
Source Files and Grid Reference
Key Plan
Summary
Conflict Resolution Process
• Conflict detection & documentation
• Conflict reporting
• Collaborative resolution Design Build
Data
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The Place
Revit design model incorporated into Tekla Fabrication Model
Fabrication elements coded by delivery status
Tenant fit out studies for fan coil and chilled beam systems
Build
Data
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ADDING VALUE
• BIM will reduce waste of materials during construction and building management
• Will ultimately assist in sustainable demolition
• BIM offers greatest opportunity for life cycle management
• Energy modelling can minimize energy use over a building’s life cycle
• Enabling easier maintenance, refresh and retrofit
Build Data
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The BIM Execution Plan
• Establish a common language through definitions
• Identify roles and responsibilities
• Establish file formats , file naming conventions and model coordinates for integration of various discipline inputs.
• Establish a schedule for increasing levels of model element development over time.
• Establish model review format and frequency
• Establish a digital data sharing agreement to protect intellectual property rights
A COMMON FRAMEWORK FOR COLLABORATION
Design Build
Data
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Provides a high level of detail of the scene:
– structural components– Soot Patterns and staining
from spread of volatiles– Concrete spalling– Char depths– Structural Steel
deformation Assists in computational modeling Locations of projectiles from
spontaneous combustion scenes
Site Investigation
Dulles International
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Dulles International
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Dulles International
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ANY QUESTIONS?
THANK YOU