at the forefront of the construction industry with ... · 19th october 2016 at the forefront of the...
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19th October 2016
AT THE FOREFRONT OF THE CONSTRUCTION INDUSTRY WITH
BUILDING INFORMATION MODELING (BIM):
THE CHALLENGES
BY: IR. SHARIFAH AZLINA RAJA KAMAL
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What is BIM ?
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TECHNOLOGY ? SOFTWARE ?
PROCESS
WHAT IS BIM ?
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“ Building Information Modelling”
A process in Developing, Collating & Managing high level information of an asset, from its inception, design, construction and ultimately operation & maintenance.
WHAT IS BIM ?
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BIM – PROJECT LIFE CYCLE
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Why BIM ?
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Wh
y B
IM ?
Enhances all – stage progress visibility
Increases productivity through collaboration amongst industry players
Reliably and accurately visualize the project at early stage providing clearer
understanding of design intent & facilitate in modification to achieve desired outcome
Identifies interface issues, detects & addresses conflicts / clashes early
Eliminates time-consuming changes at later stage
Eliminates time-waste by resolving complex construction details before going on-ground
WHY BIM ?
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Lack of project co-ordination Time & Cost
over-runs
Manual bill of quantities or no integration
No accuracy in Job Costing & Budgeting
Not feasible to integrate with facility management applications and preventive, corrective maintenance
Further investment needed for data procurement & incurring cost per year
MAJOR ISSUES IN CONSTRUCTION
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• Up to 40% elimination of unbudgeted change • Up to 80% reduction in time taken to generate a cost estimate • Cost estimation accuracy within 3% • A savings of up to 10% of the contract value Through clash detections • Up to 7% reduction in project time • Ongoing saving in Facility Management System
Source : Stanford University Center for Integrated Facilities Engineering (CIFE) figures based on 32 major projects using BIM
BIM: RETURN ON INVESTMENT
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Five Top-Rated Positive
Impacts of BIM
Respondent
Type
% Rating
High or Very
High
Improved Constructability
of Final Design
Contractors 74%
Increased Owner’s
Understanding of
Proposed Design
Solutions
Owners 73%
Improved Quality /
Function of Final Design
Engineers 71%
Generated Better
Construction Documents
Owners 70%
Improved Ability to Plan
Construction Phasing and
Logistics
Owners 70%
Metrics for the Impact of BIM on Cost.
Schedule, RFIs and Safety
Source : Dodge Data & Analytics – Smart Market Report
Published on 2015 in Associate with Building Smart Alliance
BIM: RETURN ON INVESTMENT
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To Carry Out Engineering
Survey & Soil Investigation Works
Award of Project
Site Reconnaissance
Conceptual Report & Cost Estimate
• KM
• Survey
• Site Investigation
Submission to Local Authorities
Tender Document, Drawings, Cost Estimate &
Contract Awarded
CONSTRUCTION STAGE Address Comments
Not approved
Preliminary Design & Cost Estimate
DESIGN STAGE
No Info
PROJECT FLOWCHART (Design & Supervision)
Drawings, reports, Specifications, BQ &
Cost estimates
Site supervision, Inspection & testing, CPC
Project Close Out
• DLP • CMGD • Final Account
TENDER STAGE
Obtain Existing Info from Client
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BIM PROCESS
• Architectural
3D Modelling
• Structural
• Civil
• MEP
Clash Detection
As Built Model
Design
Coordination
Phase
Shop Drawing’s
Creation
Construction
Simulation 4D / 5D
Project Management
with BIM
Quantity Take-off LOD 300
LOD 400
LOD 500
Handing Over
Phase Facility Management
LOD 100
LOD 200
• Architectural
3D Modelling Conceptual
Phase
Construction
Phase
As Built Phase
Preliminary
Design Phase
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BIM - IPD
IPD
- B
IM
De
live
rab
les
• 3D modelling & Outputs
• Clash detection
• Clash Resolution
• Quantity take off
• 2D Extraction
• Construction simulation – 4D & 5D
• Facility Management Solutions
To provide IPD (Integrated Project Delivery) using BIM technology to manage and maintain projects effectively
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Digital Capabilities
Legal & Contractual
Delivery Standard & Processes
Education, Training &
Support
Institutional Support
Investment
CHALLENGES
CHALLENGES
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Challenges • Collaborative design contribution including from
contractor / builders • Departure from traditional delivery method of
isolated responsibilities
55-storey Hotel & Condominium • D&B Contract • Design Simultaneously with Construction • Foreign Contractor Participation
Signature Address in KL
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SMART TOWNSHIP
Challenges • BIM was not in initial procurement • Correct software & Inter-Operability issues • Quantity measurement (earthwork & contingencies)
2300 Acre Township in Sungai Buloh • Conventional Contract • Modeling of external infrastructure on design completion • Updating by contractor
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Challenges • Collaboration amongst project proponents
Hypermarkets • Simple Buildings • Conventional Contract • 13,500 sqm & 14,000 sqm.
HYPERMARKET IN SETAPAK & KAMPAR
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Challenges • BIM process and deliverables • Workshop participations • Time & Schedule
Transit Station in Klang Valley • 24 Stations • 1 Depot • Klang Valley Vicinity
Transit Station in Klang Valley
Station Walkthrough Video
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Challenges • Modelling temporary structure to achieve
cost economy • Construction simulation to achieve design
intent • Decision Making process
Hotel built over F1 Race circuit in Abu Dhabi • 499 rooms, 75 suites, 7 restaurants • 85,000 sqm • Modeling include temporary works
HOTEL IN ABU DHABI
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QUANTITY TAKE-OFF
CROSS REFERENCE BOQ
Raft Slab Concrete Quantities
CHALLENGES IN BQ
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Legal & Contractual
CHALLENGES
• Ownership of model
• Design liability / Modelling liability
• Responsibility of design / Modelling
• Integration of BIM with existing contracts
• Professional indemnity
• Commercial rates for BIM Consultants
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Delivery Standard & Processes
CHALLENGES
• Protocols to be set on processes
• Clear definition of roles & responsibility
• Deliverables to be defined
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PROJECTS WITH BIM
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TERIMA KASIH
THANK YOU
19th October 2016
BY: IR. SHARIFAH AZLINA RAJA KAMAL