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1
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2
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3
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- Subcommittee Goals and Responsibilities
- Bridge Type Selection Process
- Initial Bridge Evaluation Criteria
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4
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- Review Schedule & Goals for Upcoming Meetings
- Review and Finalize Evaluation Criteria
- Examine and Evaluate Initial Concepts
- Future Rendering Views
- Discuss Upcoming Meetings:
- June 7 - Public Meeting
- June 28 - Bridge Tour
- July 20 - Next Subcommittee Meeting
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5
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6
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7
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- Influenced by:
- Length of Main Span
- Extent of Main Span vs. Approaches
- Complexity & Uniqueness of Construction
- Number of Qualified Contractors
- Construction Group 1
- Current Project Construction Budget = $274M (2010 $)
- Viaduct Bridge Approx 60% - 70% of Cost of Construction Group
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8
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- Typical Key Maintenance Activities:
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9
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- Environmental Impact and Construction Impact are not expected to be
significantly different for initial concepts
- Both may become more significant evaluation criteria when evaluating
final 3 alternatives and impacts are better defined
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10
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- Global vs. Detailed Aesthetics
- Request your input on aesthetics of major bridge elements:
- Towers
- Arch Ribs
- Cables
- Piers
- Span Arrangement
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11
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- How does the concept interact with its setting?
- Does it enhance or detract from views and sightlines?
- What elements of compatibility are important?
- Height
- Bridge Type
- Span Lengths
- Material Type
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12
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- Travelers perspective:
- Approach to Downtown Cleveland
- Leaving Downtown Cleveland
- Community perspective:
- Street Level view from Tremont
- Street Level view from Gateway
- Street Level view from the Cuyahoga River Valley
- Downtown skyline perspective: Dominate or Blend
- Tremont skyline perspective: Dominate or Blend
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13
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- Is concept supported on slope of Western bank of Cuyahoga River (Y/N)?
- Defining aspect of bridge selection that needs to be identified
- Dramatic effect on cost, maintenance, aesthetics
- Long-term Monitoring
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14
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15
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- Definition of Sustainable Technology:
- “Meeting the needs of the present without compromising the ability of
future generations to meet their own needs”*
- * Source – “Sustainable Transportation Practices in Europe”, FHWA Report
FHWA-PL-02-006 HPIP-1101-EW, November, 2001
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16
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- Typical Goals Specific to Sustainable Transportation Technology:
- Improved Service Quality
- Improved Access to Goods and Services
- Safety
- Improved Air Quality
- Noise Reduction
- Historic Preservation
- Protection of Open Space
- Positive Contribution to Regional Development
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17
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- Methods and Technologies Often Employed:
- Most are Policy Related – Fuel Taxes, Transit Improvements, Bike and Ped
Improvements, etc.
- Traffic Calming
- Widened Shoulders
- Intelligent Transportation Systems (ITS)
- Use of High-performance Materials
- Use of Materials to Reduce Noise
- Incorporating Recycled Materials in Structures and Pavement
- Attention to Aesthetics
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18
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- Concrete Box Girder
- Steel Deck Truss
- Steel Plate Girder
- Extradosed
- Steel Tied Arch
- Single Tower Cable Stayed (I)
- Single Tower Cable Stayed (II)
- Two Tower Cable Stayed
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19
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20
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21
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22
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23
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24
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25
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26
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27
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28
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29
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30
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31
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32
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33
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34
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35
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36
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37
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38
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39
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40
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41
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42
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43
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44
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45
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46
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47
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48
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49
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50
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- Subcommittee Meeting #3
- July 20, 2006
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51
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- Subcommittee Meeting #4
- September 7, 2006
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52
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- Subcommittee Meeting #5
- October 5, 2006
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53
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Notes
