conceptual design - highway engineering exchange …•easily create and analyze the feasibility of...
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1 | WWW.BENTLEY.COM | © 2016 Bentley Systems, Incorporated © 2016 Bentley Systems, Incorporated© 2016 Bentley Systems, Incorporated
Conceptual Design
Impact of Conceptual Design
Sept. 12, 2016
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Conceptual Design
• Mo Harmon – Solutions Executive, Bentley Systems
• Jennifer Steen - Lead Civil Engineer, WSP | Parsons Brinckerhoff
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• Aging Infrastructure
Industry Challenges
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• Aging Infrastructure
• Funding
Industry Challenges
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Industry Challenges
• Aging Infrastructure
• Funding
• Interoperability
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Industry Response!!!
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Conceptual Design Phase
• CE, EA, EIS
• 15-30% of Design Cost
• 1-2% of construction cost
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• Lack of User Input
• Incomplete Regulations and Specifications
• Changing Regulations & Specifications
• Lack of Executive Support
• Technical Incompetence
The top 5 indicators found in “Challenged” projects are:
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Cone of Uncertainty
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Cost of Change
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Influence
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• Rapid prototyping of different design options to gain the maximum insights with the minimum effort
• Easily create and analyze the feasibility of multiple conceptual design alternatives
• Decision support tool in the pre-bid phase allowing to effectively identify high-cost items and propose Alternative Technical Concepts
Preliminary Design
Concept Planning
Select Design Builder
Final Design & Project
Clearances
Construction
ConcepStation
Scope
Minimal to ExtensiveContractor Input
Extensive Contractor Input
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• Objectives
– Conceptual Design
– High level Cost Estimation
– Visualization
• Goals
– Improve communication
– Time savings
– Real time 3D rendering
– Quick learning curve
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• Use preprogramed templates and AASHTO Design standards for design
• Rapidly create roadway and bridge geometry on georeferenced terrain
• Geocoordination Services
Conceptual Design
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• Cost tab updates as proposed design is created
• Create detailed quantities and reports that can be exported
• Include allowances to ensure real world estimates
Cost Estimation
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• LumenRT– Real time renderings– Placement and movement of
trees, cards, people, buildings– Change the climate and time of
day
• Camera & Video– Generate different views and
save pictures– Create fly through videos
• Ability to update design– Jump backstage to conceptual
design
Visualization
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ConceptStation Demonstration