bim . . . begin with the end in mind mcfadden.pdf · begin with the end in mind. 2 one of the...
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GeoBIM Conference17 August 2015
Gerry McFaddenBIM ManagerWSP I Parsons Brinckerhoff
BIM . . .Begin with the End in Mind
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ONE OF THE WORLD’S LEADING PROFESSIONAL SERVICES FIRMS.
31,500 Employees500 Offices39 Countries
Working with BIM in Middle East since 2008
• Building Services• Structures• Infrastructure
and more . . .
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Why BIM?3
We live in a 3D data rich world
Why not design in this environment?
Begin with the End in Mind
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From This . . .4
To This
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BIM is a 5
Sociotechnical System
• People
• Process
• Technology
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BIM6
People
• Top down approach
• Identify BIM Champions
• Training l Skills Matrix
• BIM Buddies for new learners
• Frequent and meaningful communication
• Environment must be collaborative, not combative
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BIM7
Process
• Project BIM Execution Plan
• Project BIM Strategy
• Process Maps
• Standards
• Protocols
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BIM8
Technology
• Which Hardware?
• Which Software?
• Any client specific requirements?
• Software must be fit for purpose!
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Spatial co-ordinationAccurate drawing sheetsVisualisationCollaborationSchedulingAnalysis package linksEnvironmental studyDuct and pipe sizingAnalysis calculationsFabrication links4D Construction sequencing5D Cost analysis6D Facilities management linksThe unknownVv
Where can BIM Assist?
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Project BIM Strategy10
BEGIN WITH THE END IN MINDClient wants BIM!
Project BIM goals?
All parties providing a BIM?
What will model be used for?
Level of development (LOD) matrix
Model definition section to expand on LOD Matrix
BIM scope document BEFORE contract award (EIR) (Employers Information Requirements)
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BIM Project Execution Plan11
Project BIM GoalsBIM Team DetailsRole and responsibilitiesTechnological infrastructureProject Coordinate setupCollaboration strategyProcess MapsModel naming protocolLevel of development (LOD) matrix
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Level of Development (LOD)12
LOD 100 The model consists of overall building massing indicative of area, height, etc., etc.
LOD 200The model consists of generalised systems or assemblies with approximate quantities, size, shape, location and orientation.
LOD 300The model consists of specific assemblies accurate in terms of quantity, size, shape, location and orientation.
LOD 400This level of development is considered to be suitable for fabrication and assembly.
LOD 500As Built conditions
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Focus on Critical Areas in Early Stages13
Primary Plant Rooms
Primary Riser Shafts
Typical Corridor Sections
Building Services Pinch points
This approach limits exposure to rework and elements most likely to change from DD onwards.
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BIM & MEP are made for each other!14
• Game Changer for coordination
• Huge benefits in proving spatial requirements
• Forces designers to think more thoroughly (Constructability, Accessibility etc.)
• Use the ‘I’ in BIM to advantage (Equipment schedules, Conditional Formatting etc.)
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Considerations15
How to split models?
To Host or not to Host? Can we control others model approach?
What to model as 3D? What to model as 2D? What not to model at all?
Design BIM v Construction BIM
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BIM Process is the Key16
• Regular workshops and valuable communication / collaboration
• No more Silos!
• Modelling strategy is KEY
• Agree project strategy BEFORE modelling
• Clash avoidance, not clash detection
• Clash Resolution Strategy
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Lessons Learned17
It’s a team effort
Focus on value BIM brings to project
Plan Ahead and Stick to the Plan!
Persevere and you will succeed
Embrace BIM, Don't Fight it
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Summary18
Begin With The End In Mind
BIM is Very Powerful
With Great Power Comes Great Responsibility!
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THANK YOU
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