practical design in odot roadway conference april 13, 2010 cathy nelson, pe technical services...
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Practical Design in ODOTPractical Design in ODOT
Roadway ConferenceApril 13, 2010
Cathy Nelson, PETechnical Services Manager/Chief Engineer
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Transportation ChallengesTransportation Challenges
• Growing Population
• Aging Infrastructure
• Limited Resources
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Practical Design PhilosophyPractical Design Philosophy
• Stretching scarce resources as far as possible to best meet transportation system needs
• Balancing cost and system value
• Good Business Practice– Jobs & Transportation Act (JTA)
Requires Formal Practice
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ODOT Practical Design Strategy ODOT Practical Design Strategy Implementation PlanImplementation Plan
1. Strategy Research Jan – July 2009
2. Draft Strategy Oct 1, 2009• Internal Review
3. Communication Plan Dec 2009 • E-mails & website
4. Final Strategy March 2010• Internal & External Review
5. Rollout & Training April 2010
6. Legislative Report Nov 2010 Deadline
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So…. What’s Different?So…. What’s Different?
• Purpose & Need Agreements – “what, why, how”
• System context in addition to project context
• Emphasis placed on incremental system improvements
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Practical Design Strategy Practical Design Strategy GoalsGoalsGoal #1
– Direct available dollars toward activities and projects that optimize the highway system as a whole
Goal #2– Develop solutions to address the purpose and
need identified for each project
Goal #3– Design projects that make the system better,
address changing needs, and/or maintain current functionality by meeting, but not necessarily exceeding, the defined project purpose and need and project goals.
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Safety
• Maintain or improve overall system safety
• Make system as safe as practical
• Are there any high value add-ins with minimal cost? - make practical, appropriate, and beneficial choices
around safety - apply sound engineering judgment to safety
decisions
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Corridor Context
• When establishing or evaluating design criteria, work within intended corridor use.
• Does this "fix" fit with the rest of the corridor and its natural and built environments?
• Roadways should reflect both character of the community and current and planned land uses
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Optimize the System
• Adopting more of an asset management approach
• Develop specific maintenance, repair, rehabilitation and replacement strategies
• Optimize the life-cycle investment in that particular asset
• Optimize the entire highway system for safety, mobility and financial investment
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Public Support
• Work in partnership with local communities. Provide opportunities to shape the solutions.
• Have needs for pedestrians, bicyclists, transit users, freight and mobility been considered?
• Are the project purpose and need clear and have they been communicated well?
• Is this project aligned with Oregon's overall plan for the transportation system?
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Efficient Cost• Strive to stretch limited funds
• Develop projects that meet the specific, desired purpose and need
• Should an incremental improvement be considered?
• Could funds be redistributed from lower priority items to areas producing greater system benefits?
• Focus on making strategic decisions that benefit the overall system
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Implementing Practical DesignImplementing Practical Design
• Defining / Documenting / Delivering the “Right” Solution
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ToolsTools
• Strategy Document• Project Charters• Decision Matrix Practical Design
PROJECT CHART...
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Strategy DocumentStrategy Document
Online @ http://transnet.oregon.gov/ODOTINTRA/HWY/TECHSERV/practical_design.shtml
Philosophy, focus, decision-making roles & responsibilities, tools and examples
Will expand with future on-line links
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Design Team SuccessDesign Team Success
• Better problem descriptions and purpose and need statements
• The availability of information to the design team about the vision for the overall corridor
• Demonstrated confidence by the design teams that it is OK to do something different when exercising their project related decision making capabilities
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Practical Design FocusPractical Design Focus
• Clarity of Purpose and Need– Project Charters
• Decision-making– SCOPE values integration & documentation at
key milestones– Design Exceptions
• Tools & processes– 1R– Design Speed Tech Bulletin
• System performancemeasures
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Questions?Questions?