WS Item 4
Roundabouts City Council Work SessionMarch 18, 2008
Underground Utilities for Roundabout Project
Roundabout Design
Urban Design Priorities
Underground Utility Options for Roundabout Project
Cost Projections
Discussion
Project Location Map
Urban Design Palette
S. White Chapel Blvd. at W. Continental Blvd.
S. White Chapel Blvd. at W. Continental Blvd.
Dove Street at Carroll Avenue
Dove Street at Carroll Avenue
Dove at North White Chapel Blvd.
Dove at North White Chapel Blvd.
Underground Utility Priorities
Joint P&Z/City Council Workshop December 12, 2007
Urban Design Plan adopted by City Council
Resolution 08-004, February 5, 2008
Priority map for underground utilities
Urban Design Priorities for Underground Utilities
Underground Utilities
Dove at Carroll $800,000
Dove at North White Chapel $600,000
Continental at South White Chapel $300,000
Preliminary Estimate $1,700,000*
* Pricing includes estimates received from Oncor (TXU), Tri-County, Charter, and Verizon. Pricing does not include costs from AT&T.
Underground Utilities For Roundabouts Options
Do not require underground utilities
Immediately fund all three locations
Create three separate projects as funds become available
Stage construction within a single project with utility funding assurance
Defer underground utilities to a future project
Underground Utilities For Roundabouts Options
Do not require underground utilities
Will allow roundabout construction to begin sooner
Will not improve intersection appearance
Additional poles will actually worsen appearance
Underground Utilities For Roundabouts Options
Immediately fund underground utilities at all three roundabout locations
Improve appearance of roundabouts
Delay start of project pending utility work
Sequence construction of intersections
Underground Utilities For Roundabouts Options
Create three separate roundabout projects as funds become available
Place utilities underground prior to construction at each location
Greater control over funding demands
Unable to attain economies of scale
Extended construction time
Underground Utilities For Roundabouts Options
Stage construction within a single project with utility funding assurance
Stretch out underground utility construction
Greater control over utility funding
Funding available in short time frame
Greater control over construction sequence
Limit economies of scale
Longer construction time
Underground Utilities For Roundabouts Options
Defer underground utilities to a future project
Limited delay to construction schedule
Loss of improved appearance
Increased cost in future without contribution from utility company
Roundabouts
Questions?
Urban Design Priorities for Underground Utilities
Underground Utilities
Dove at Carroll $800,000
Dove at North White Chapel $600,000
Continental at South White Chapel $300,000
Preliminary Estimate $1,700,000*
* Pricing includes estimates received from Oncor (TXU), Tri-County, Charter, and Verizon. Pricing does not include costs from AT&T.
Underground Utilities For Roundabouts Options
Do not require underground utilities
Immediately fund all three locations
Create three separate projects as funds become available
Stage construction within a single project with utility funding assurance
Defer underground utilities to a future project