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Please comply with the Lean Construction Institute’s Usage Policies and Attribution Guidelines at http://www.leanconstruction.org/usage.pdf
when using this file. Thank you.
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Welcome to the 5th Meeting of the LCI Michigan Chapterthe LCI – Michigan Chapter
October 28, 2010
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LCI Chapters
AgendaAgenda
• Welcome/Round Robin 6:00 – 6:10 PMWelcome/Round Robin 6:00 6:10 PM
• Lean Construction Presentation 6:10 – 7:00 PM
Sh ih k l lliShaun Rihacek– Harley Ellis Devereaux , Southfield Michigan
• Takeaways/Questions 7:00 – 7:20 PM
• Plus/Delta; Closing Remarks 7:25 – 7:30 PM/ ; g
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WELCOME
BIM
& Lean Construction
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About The Speaker:
Shaun I. Rihacek, LEED AP
– 15 years experience as Project Architect at
Harley Ellis Devereaux
– Experience in Computer Programming and
Facilities Management
– Implemented BIM at HED
– Presented BIM Concepts at Autodesk
University, AU unplugged and the Detroit
Area Local AUGI BIM user group Dabug.
– Participated in software beta testing and
brain storming sessions.
– Co-Authored “An owners a guide to BIM”
– Presented BIM and Total Building Analysis
to BEC in Sept 2010
– Created and serves on BEC BOD
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Agenda
• Definition of BIM
• BIM Assisting in LCI Goals
• Removing Redundancy
• Reducing Waste
• Solidifying Cost
• Information Rich Model Available to Owner
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Definitions
• BIM Building Information Modeling (BIM) is the
process of generating and managing building data
during its life cycle. Typically it uses three-
dimensional, real-time, dynamic building
modeling software to increase productivity in
building design and construction. BIM
encompasses building geometry, spatial
relationships, geographic information, and
quantities and properties of building components.
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Definitions
• BIM Is the digital worlds’ example of the initiation,
conceptualization, realization and managing of a
building.
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BIM Assisting in LCI Goals
• LCI Goals Maximizes value delivered to the customer
while minimizing waste.
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• EPA 2003 estimated C&D waste of 170
million tons that’s 3.2 pounds per capita
per day (pcd)
• Previously calculated in 1996 as 2.8 pcd
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BIM Assisting in LCI Goals
Manufacturing process/system….
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• LCI Goals Maximizes value delivered to the customer
while minimizing waste.
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BIM Assisting in LCI Goals
Design and Construction process/system….11
BIM
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BIM Assisting in LCI Goals
• BIM Is the digital worlds’ example of the initiation,
conceptualization, realization and managing of a
building.
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• BIM Is a tool which allows for the digital prototyping of
a project. It’s intent is to be a repository of all pertinent project information of which access is readily available.
Non-Geometric Information
• Some areas accessible, most not
• Analysis information not always
transferable
Geometric Information
• Readily accessible
depending upon phase
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Removing Redundancy
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• NIST 2004 Report estimates 15.4 Billion Dollars in annual
interoperability cost.
• BIM can do only so much…..
• Contract development will assist in motivation….
• IPD, Design Build, Design Assist….
• Evidence based design will also have a hand in it…
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Removing Redundancy
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• IPD/Design Build
• Design Assist Approach
Convert Validated Geometric Information into AutoCAD and then
Tag it with Software Specific Information for Fabrication
Revit MEP CAD Duct – CAM Duct
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Removing Redundancy
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• IPD/Design Assist Approach
• Design Build
In early phases of Design (end of SD), Structural Model is
shared… Communication Continues with Fabricator…
Revit StructuralDATA
SDS/2
FABRICATION
Fabricator Model shared with Design and Construction Team
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• Moving more field work to fabrication work.– More and more examples of this happening in Mechanical and Electrical
Trades.
• Trades that seem very efficient are benefitting from BIM.
– Architectural Precast Concrete
• Study from Georgia Institute of Technology March 26th 2008
• For a 20 story panelized building found that BIM was as much as 58% more efficient in
workflow compared to 2D (traditional) methods.
Reducing Waste
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• More Efficient Designs….– Provides Information at Concept Stage…
Reducing Waste
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• More Efficient Designs….– Provides Information at Concept Stage…
Energy Usage Total
Energy Usage Intensity
Heat Load
Renewable Resource Potential
Analysis of Monthly Heating Load by Contributor
Reducing Waste
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Reducing Waste
• Green Building Studio
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Reducing Waste
• Ecotect
– Acoustic
– Solar and Shadow Tracking
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Reducing Waste
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Reducing Waste
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• Performance
Verification using
CFD Analysis
• Ceiling shape
studies and general
air flow using
Fluent from ANSYS
Airpak
Natural Ventilation Analysis
Section through Large
Space with Sloped Ceiling
Section through Large
Space with No Ceiling
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• Mining BIM
– Quantity Takeoff
• Queries the Database
• Quantifies Objects
• Update as Necessary
Solidifying Cost
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• Whose is Driving it now…
– More Owners are now demanding BIM on Projects
• Model Progression Specification
• AIA E202
– Contractors
• Are progressing very fast.
• Scheduling / Conflict Resolution
• Cost Model
– A/E
• Design Simulations
• Quicker Decisions
Information Rich Model Available to Owner
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• Whose Model???
– Design Team
– Construction Team
– Combination… or Is it Specially Focused Model
Information Rich Model Available to Owner
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Summary
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• Q/A or Open Discussion
Thank You