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by Ir C K Ng
What is True BIM
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Ir C K Ng
BSc/Civil 1980 MSc/GIS 1998
Civil/Information
Senior Resident EngineerEngineer FM Programmer
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1. True BIM
2. True BIM Process – Everyday BIM
3. True BIM Project
4. BIM is not a utopia
5. BIM is not a bunch of Standards
6. BIM is not a way to get others to do your work
7. Learn from UK BIM Approach - Digital
What is True BIM?
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1. 5D enabled models must be accurate
2. Consistency of Models and 2D Drawings
i i i 5D QTO
1. True BIM
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Combined Services Model
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Combined Services Drawing from BIM Models
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2. True BIM Process – Everyday BIM
Professionals use BIM, modellers operate BIM
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ContractBIM ICT
3. True BIM Project
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Contract
3. True BIM Project
(CIOB/CPC2013, PPC2000, NEC3 x12, ConsensusDoc301, AIA208)
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4. BIM is not a UTOPIA
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3DVisualization
Clash Analysis
4DConstruction sequencing
Virtual Construction
(3D plus time element)
5DEstimating
QTO
(3D plus cost element)
6DForensic analysis
(3D plus analysis element)
7DFacilityManagement
(3D plus O&M element)
4. nD BIM
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4. BIM Use Matrix
BIM is not a Utopia
Some BIM Uses are conflicting with each others
Define EIR
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5. BIM is not A Bunch of Standards
Use if the standard is beneficial, or forget it
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5. BIM Standards
There are only THREE Standards in BIM
1. NBIMS-USTM - National BIM Standard, US
e.g. Minimum BIM Requirements in line with the Capability Maturity Model.
2. IFC – Industry Foundation Class
3. Classification of materials and equipment
Others are guidelines, practice, sample/template, protocol
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6. BIM is not A WAY TO GET OTHERS TO DO YOUR WORK
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Planner
GIS
MapGuideArchitect
CodeChecking
Solibri ePlan Specialist
EnergyAnalysis
EcoTect
Client
Visualization
Lumion
StructuralEngineer
QTO
Etab/Robot
MEP Engineer
QS
CostX
StructuralAnalysis
Contractor
Fabricator/Manufacturer
Estimator
ClashAnalysis
2D Drg/SpecPO
GeometricalData
Parameters
SiteINFO
Glue/Navisworks
Scheduling
SolidWork
COBie
FacilityManager
Programmer
SequenceP6/Navisworks
6. Architects must determine the door, window, finishes asap for QS
Every participant has a duty to provide updated information to BIM for others to use
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UK BIM Documents specify Information Management far more than BIM process
7. UK BIM Strategy - Digital
Digital Built Britain - Level 3 Construction 2025