virtual design and construction
DESCRIPTION
Thorough presentation on all components of Virtual Design and Construction using Building Explorer as the primary BIM analysis tool for model cost estimating, scheduling, project management, and clash detectionTRANSCRIPT
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Virtual Design and Construction© Building Explorer, Inc.
Virtual Design and Construction
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Virtual Design and Construction© Building Explorer, Inc.
Virtual Design & Construction is …
The computer simulation of the architectural definition and assembly of a building project.
BIM(The 3D Model)
Organization
(Bring builders & designers
together in a team)
Process (Creating and
using the model)
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Virtual Design and Construction© Building Explorer, Inc.
Virtual Design and Construction
Build Prototype(s) and Analyze Best Option
Build and ANALYZE a virtual model TWO…THREE times – Reduce project RISK
Predict possible Logistical CONFLICTS
BUILD Cheaper, Faster, Smarter
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Virtual Design and Construction© Building Explorer, Inc.
Why Virtual Design and Construction
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Virtual Design and Construction© Building Explorer, Inc.
Industry Productivity at a Glance
• Frequent Project Cost Overruns
•Frequent Project Schedule Overruns
• Prevalent Change Orders
• Rising Legal Disputes
• Lack of transparency
• Inefficient Current Processes
• Lack of Interoperability
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Virtual Design and Construction© Building Explorer, Inc.
Additional cost of interoperability in the construction industry 2002 (in $millions)
Stakeholder Group Planning, Engineering, Design Phase
Construction Phase
Operation Maintenance Phase
Total Added Cost
Architects & Engineers $1,007.2 $147.0 $15.7 $1,169.8
General Contractors $485.9 $1,265.3 $50.4 $1,801.6
Special Contractors and suppliers
$442.4 $1,762.2 $2,204.6
Owners and Operators $722.8 $898.0 $9,027.2 $10,648.0
Total $2,658.3 $4,072.4 $9,093.3 $15,824.0
Built Sq. Ft. 2002 1.1 billion 1.1 billon 39 billon n/a
Added Cost / Sq. FT. $2.42 / sf $3.7 / sf $0.23 /sf n/a
Source: National Institute for Standards and Technology (Gallaher et. Al 2004)
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Virtual Design and Construction© Building Explorer, Inc.
Purpose of Virtual Design and Construction??
04/08/2023
• PROTECT INVESTMENTS, BANKS, and DEVELOPMENT/GC companies
• Make INFORMED project investment decisions on-time.• REDUCE RISK
• Control cash flow and find optimum for Development Project
• Transparency with Banking Institutions
• Produce EFFECTIVE and EFFICIENT construction projects • Minimize waste, Extra Costs, and Legal Problems
• Used and ALL COMPLEX project WORLD WIDE
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Virtual Design and Construction© Building Explorer, Inc.
Adoption and Industry Trends GSA – General Service Administration
($15.8 Billion Annual Addition Costs)(Largest Owner/Developer in North America)
BIM Mandate from 2007 on all capital projects 2007 – Spatial Plan validation 2008 – Constructability & Energy Analysis 2009– Cost and Schedule
USMC Military BIM mandate in all military development contracts
Owners - North America / Western Europe Airports, Banks, Retail, Hotel Development, Stadiums, Commercial Accepting only candidates with BIM experience
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Virtual Design and Construction© Building Explorer, Inc.
VDC Advantage
PRICE – eliminate unnecessary costs and find the best option TO BUILD
SCHEDULE – optimize activities and reduce project construction time
CONSTRUCTABILITY ANALYSIS – find and fix errors before they become expensive
TEAM – align with expert VDC Engineers TECHNIQUE – most advanced technology and
process
04/08/2023
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Virtual Design and Construction© Building Explorer, Inc.
VDC/BIM Case Study CONCEPTUAL ANALYSIS
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Virtual Design and Construction© Building Explorer, Inc.
Conceptual VDC Analysis Process
• Client/ Owner Input• Financing Option• Development Plan – Size (Sq. Ft), Time
Conceptual Model INUPUT
04/08/2023
Time from client/owner feedback to implementation and analysis is significantly less than traditional methods
Repeat for each new conceptual version in order to arrive at optimum.
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Virtual Design and Construction© Building Explorer, Inc.
3D Parametric Model
Project Specific Cost Database
Location Based Costs Reporting
Automatic Quantity Takeoff
2D Drawing Interpretation
Excel Quantity Data Interpretation
Excel Cost Interpretation and Analysis
4D-5D Cost/Schedule Sequence Simulation
And Analysis
Development of Project Schedules
Project Schedule and Resource Analysis
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Virtual Design and Construction© Building Explorer, Inc.
2D CAD 3D Model
NOT just a pretty pictureParametric Modeling NOT Rendering
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Virtual Design and Construction© Building Explorer, Inc.
Conceptual Quantity Analysis
ArchitecturalQuantity Takeoff
StructuralQuantity Takeoff
Structural Element Query QTO
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Virtual Design and Construction© Building Explorer, Inc.
Office and Hotel Complex2D 3D 4D (3D + vreme)
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Virtual Design and Construction© Building Explorer, Inc.
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Virtual Design and Construction© Building Explorer, Inc.
Comparative Analysis of Versions
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Virtual Design and Construction© Building Explorer, Inc.
UPDATES BUDGET & REPORTING
1. CONCEPT DESIGN CHANGES
2. COMPONENT / MATERIAL CHANGES• Flooring (Wood vs. Tile)• Facades (Stone vs. Precast)• Wall Types (Concrete Type)• Finishes
3. COMPARE VERSIONS• Quantites• Project Costs• Project Schedule• Project Cash Flow
•
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Virtual Design and Construction© Building Explorer, Inc.
VDC/BIM Case Study DESIGN DEVELOPMENT ANALYSIS
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Virtual Design and Construction© Building Explorer, Inc.
VDC at the detail level
3D Detailed Modeling (Arch/Structural/MEP) Highly Accurate Model based Quantity Takeoff 3D Collision Detection and Resolution Model Cost Estimating Model Project Scheduling
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Virtual Design and Construction© Building Explorer, Inc.
3D Detail Modeling
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Virtual Design and Construction© Building Explorer, Inc.
3D Modeling
2D conversion to 3D
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Virtual Design and Construction© Building Explorer, Inc.
RDELECTRICAL MODEL
MECHANICAL MODEL
PLUMBING MODEL
STRUCTURAL MODEL
Virtual Construction
Model
B I M
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Virtual Design and Construction© Building Explorer, Inc.
3D Model Quantity Takeoff
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Virtual Design and Construction© Building Explorer, Inc.
Concrete Columns:
Total: 521
Volume: 1,070 m3
Concrete Slabs:
Total: 68
59,527 m2
22,993 m3
Effective and Precise Quantity Analysis
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Virtual Design and Construction© Building Explorer, Inc.
Effective and Precise Quantity Analysis
Different Element Groups: 112Total Elements: 3,590
Total Area of Ducts: 9,341 m2Total Length of Ducts: 4,428 m
Different Element Groups: 84Total Elements: 1,046
Total Volume of Concrete: 16,178 m3
Different Element Groups: 46Total Elements: 2,726
Total Area of Pipes: 1,179 m2Total Length of Pipes: 3,930 m
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Virtual Design and Construction© Building Explorer, Inc.
3D Collision Detection and Resolution
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Virtual Design and Construction© Building Explorer, Inc.
Conflict Resolution Process
3D Modeling
Conflict Identification
AnalysisKey Conflict Selection
Conflict Resolution
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Virtual Design and Construction© Building Explorer, Inc.
MEP Clash Resolution
April 6th, 2009
Conflicts:
Several conflicts between Mechanical elements and Plumbing pipes
A major conflict area
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Virtual Design and Construction© Building Explorer, Inc.
MEP Clash Coordination
May 6th, 2009
Conflicts:
Zero
Resolution:Re-route the mechanical system
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Virtual Design and Construction© Building Explorer, Inc.
Total Clashes Found
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Virtual Design and Construction© Building Explorer, Inc.
Example of Clashes Found
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Virtual Design and Construction© Building Explorer, Inc.
Example of Clashes Found
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Virtual Design and Construction© Building Explorer, Inc.
Example of Clashes Found
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Virtual Design and Construction© Building Explorer, Inc.
Example of Clashes Found
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Virtual Design and Construction© Building Explorer, Inc.
Walk through model
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Virtual Design and Construction© Building Explorer, Inc.
5D = 3D + cost+ time3D Based Project Schedule
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Virtual Design and Construction© Building Explorer, Inc.
MEP Project Schedule
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Virtual Design and Construction© Building Explorer, Inc.
Ciklogrami
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Virtual Design and Construction© Building Explorer, Inc.
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Virtual Design and Construction© Building Explorer, Inc.
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Virtual Design and Construction© Building Explorer, Inc.
Septembar Oktobar
Novembar Decembar
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Virtual Design and Construction© Building Explorer, Inc.
Benefits of 5D analysis
Enhanced Project Plan (accuracy early) Resource loaded cash predictions Optimized Schedule Predictability (buffer, milestones, start, end) Less Conflicts Improved Project Control
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Virtual Design and Construction© Building Explorer, Inc.
VDC/BIM Case Study PROJECT CONTROL
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Virtual Design and Construction© Building Explorer, Inc.
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Virtual Design and Construction© Building Explorer, Inc.
CONTROL
Financial Material Degree of completion
– Graphical– Analitical
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Virtual Design and Construction© Building Explorer, Inc.
Daily / Weekly Input
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Virtual Design and Construction© Building Explorer, Inc.
Contractor Overiew
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Virtual Design and Construction© Building Explorer, Inc.
Planned vs. Actual
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Virtual Design and Construction© Building Explorer, Inc.
Planirano vs. Aktuelno
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Virtual Design and Construction© Building Explorer, Inc.
Planirano vs. Aktuelno po izvodjacu
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Virtual Design and Construction© Building Explorer, Inc.