building information modelling challenges and...
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Building Information ModellingChallenges and OpportunitiesAndy Chan MHKIBIM
BIM is Mandated
BIM Implementation is a Hot Potato
What is BIM?
BIM Fundamental : Digital Prototyping
© 2013 Autodesk
CAD: lines, arcs, solids and surfacesvsBIM objects: have an identity, attributes & data repository for processing
Maintenanceguide
SpecificationsRelations with other objects Contract doc,Price List,….
BIM is NOT 3D Modelling
Construction InstantConstruction System Edit Instant
PhysicalConstraintInheritedFunctionalProperties
User-definedProperties
Induced Properties
Physical Properties
Unique IDs
BIM: A Parametric Information Model
BIM capture rules to support analytics
CEDD: Ridge Barrier Design
© 2013 AutodeskLondon Blackfriars station, courtesy of Network Rail and Jacobs®
BIM is an intelligent model-based Process
- digital representation of physical facility - shared knowledge resource for information - reliable basis for decisions during its life-cycle
US National BIM Standard:
BIM ImplementationOpportunities
Measured Savings with BIM (UK CIC)
BIM ImplementationChallenges
Tender Notices after Jan 2018CEDDArcSD
HyD
� Around 15 projects to be closed before March� 10 CEDD� 3 ArcSD� 2 HyD
� Recent Awarded Contract� 2 CKR-related� LTTKO link road� 2 Tung Chung development
� HKAA-3RSAt least 20 BIM project in next 6 monthsi.e. 40 BIM managers, 60-80 BIM modelers
Shortage of BIM workforce in HK� BIM manager requirement
� 3-5 years post qualification requirement� (40 BIM Mgrs, 60-80 modelers required in 6 months)
� HKIBIM� Professional Member : 180(2014) 288 (2017)� Associate Member : 102(2014) 237 (2017)� Student Member : 12(2014) 101 (2017)� Registered Member : 294(2014) 626 (2017)
� 380 Training Seats to be provided to Govt from CIC in year 2018
Latest BIM Use Specified by DevB
Latest Tender Specification (PS 1.39)� Scope of Work/Deliverables
� Avoidance of Risk, Minimize change, clarification of cost and programmes� BIM PXP, MIDP, TIDP (Method statement)� Coordinated Model, Clash report� CSD, Shop Drawings� 4D simulation� COBie Worksheet, As-built drawings
� Time� Master Information Delivery Plan (MIDP)� Task Information Delivery Plan (TIDP)
� Quality� CIC BIM Standard, Draft Spec� Penn State BIM PXP guide� PAS1192:2-5, BS1192:2007
QualityScope of Work
Integrate BIM into ProjectScope of Work/Deliverables Challenges
Coordinated Model What is the modelling Method/standard/format/Tools?Coordination How to contractually record the changes and avoid duplicate workCSD/Shop Drawing How to ensure the CSD drawing is up-to-date for construction?4D Simulation How to ensure the 4D is valid for progress analysis?As-built Drawings How to ensure as-built is record in model?COBie Worksheet How to design useful attributes within Budget?COMMON SENSE?
BIM Execution & PlanningProcess/People/PlatformScope of Work/Deliverables Process People Platform
Coordinated Model Modeling standard, LoDModeling procedures InSource / SubContract ADSK/BentleyCoordination Coordination & RFI Procedures Version control Procedures R&R Common Data EnvironmentCSD/Shop Drawing Delivery Schedule,Technical process, revision management R&R Common Data Environment4D Simulation Release ScheduleTechnical process, version Mgt R&R MS Project/NavisworksAs-built Drawing Update and Validation R&R Laser scanningCOBie worksheet Asset Information Standard R&R COBieImport/ExporterProject Execution Plan (Method Statement)
BIM ImplementationWhere/How to start?
BIM Adoption : 4E MethodK.Pramod Reddy, Adjunct Professor, Georgia Institute of Technology
Educate• Executive Briefing• Technical Forums• 3P WorkshopEvaluate• High Value Targets• KPIs• Critical Success Factors• 3P discovery• Gap Analysis
Experience• Pilot Project• Benchmarking• 3P PlanningExecute• Implementation• Training• Ongoing Assurance• 3P Implementation• Next application
Summary
Summary� BIM is not 3D Visualization
� Informative Database to support smart decision� Challenges & Opportunities
� BIM save 8-18% project cost� Lack qualify professional in market
� Interactive Progressive Adoption� 4E Process
