pedestrian temporary traffic control · project management standard specifications, section 102 2....
TRANSCRIPT
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Pedestrian Temporary Traffic Control
Ed Cashman and Mary O’Brien
2019
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Background
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A mode of transportation
Pedestrian
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Photo credit: http://www.broward.org/BCT/Schedules/Pages/default.aspx
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Photo credit: https://www.tripsavvy.com/best-beach-wagons-4158060Photo credit: http://megakidsnaples.com/product/stroller-1/
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For some, their only mode.
Photo credit: https://www.popalockofjacksonville.com/tag/children-safety/Photo credit: http://www.free-foundation.org/walkers---wheeled-walkers
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Photo credit: https://www.wphf.org/2014/10/22/three-local-mayors-walk-with-students-on-international-walk-to-school-day/
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Photo credit: http://www.sun-sentinel.com/features/sfl-blind-pedestrians-white-cane-safety-walk-20141015-photogallery.html
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Photo credit: https://www.mountnittany.org/articles/healthsheets/183 Photo credit: https://www.tripsavvy.com/florida-special-needs-traveler-guide-1513987
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Pedestrian Safety Statistics
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National: 2017
Source: https://www.workzonesafety.org/crash-information/work-zone-fatal-crashes-fatalities/#national
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Florida: 2017
Source: https://www.workzonesafety.org/crash-information/work-zone-fatal-crashes-fatalities/#florida
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A Problem:
Pedestrian Detours that are too long
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So, what is FDOT doing to address this?
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Pedestrian Temporary Traffic Control
1. CHANGESPedestrian Special DetourStaff Hours for Pedestrian TTCPs
2. CURRENT REQUIREMENTS FDOT Design Manual (FDM) 240Standard Plans, Index 102-660Standard Specifications, Section 102
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Design Staff Hour Estimation Guidelines
Revised the Design Scope of Services and Staff Hour Estimation Guidelines to provide for pedestrian Temporary Traffic Control Plans (TTCPs)
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Design Staff Hour Estimation Guidelines
Task 4.10 – Temporary Traffic Control Plan (TTCP) Analysis:
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Design Staff Hour Estimation Guidelines
Task 4.11 – Master TTCP Design Files:
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Design Staff Hour Estimation Guidelines
Based on these revisions:
• It is anticipated that a pedestrian TTCP will always be provided when pedestrian facilities are impacted.
• A “simple” TTCP (Level I) may include a master TTCP design file for only the pedestrian temporary traffic control.
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Standard Specifications, Section 102
Added a new pay item for Pedestrian Special Detours, LS
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Standard Specifications, Section 102
Added a new pay item for Pedestrian Special Detours, LS
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Standard Specifications, Section 102
Pedestrian Special Detour Highlights:
• Pedestrian Special Detours are similar in usage to Special Detours.
• There is an associated Summary Box and secondary unit of measure for Pedestrian Special Detours. See the Basis of Estimates for additional information.
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Pedestrian Temporary Traffic Control
1. CHANGESProject ManagementStandard Specifications, Section 102
2. CURRENT REQUIREMENTS FDOT Design Manual (FDM) 240Standard Plans, Index 102-660Standard Specifications, Section 102
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FDM 240
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Standard Plans, Index 102-660
The alternative treatments:
• Pedestrian Detour
• Temporary Pedestrian Way
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Standard Plans, Index 102-660
A temporary pedestrian way should be considered under the following conditions:
• A pedestrian detour is infeasible (e.g., travel time increase will be significant, curb ramp reconstruction, etc.).
• Existing pedestrian facilities are located on only one side of the roadway.
• Sufficient right-of-way exists for a temporary pedestrian way.
A pedestrian detour should be considered under the following conditions:
• There are sufficient existing pedestrian facilities for a pedestrian detour.
• The construction work can be staged in a manner that leaves one side of the roadway unaffected.
• Pedestrian access to existing businesses or attractions can be maintained.
• The increase in travel time for pedestrians will be minor.
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Standard Specifications, Section 102Sub-article 102-6.2:
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EXAMPLE: A well-constructed temporary pedestrian way with pedestrian longitudinal channelizing devices.
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EXAMPLE: A poor temporary pedestrian way.
What’s wrong with this picture?
Issues:
• No LCDs delineating the way
• Incorrect placement of the LCD/barricade combination
• Dubious quality of the suface
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Example #1
Objective:
- Reconstruct existing sidewalk curb ramps to standard.
How to maintain access during construction?
Existing Sidewalk
Existing Trail
Existing Sidewalk
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Example #1
Construct a temporary pedestrian way (Pedestrian Special Detour pay item) to maintain access until the permanent curb ramps are completed.
Existing Sidewalk
Existing Trail
Existing Sidewalk
Temporary Pedestrian Way
Temporary Pedestrian Way
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Example #2
Scope:
- Reconstruct existing sidewalk curb ramps to standard.
- Add crossings to all legs.
- Connect to trail, if possible.
How to maintain access during construction?
Existing Sidewalk
Existing Sidewalk
Existing Trail
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Example #2
Stage the construction. Some elements such as the NE & SE quadrants can be constructed prior to tangling with the existing ramps in the NW & SW quadrants. Separate the curb ramps where possible.
Existing Sidewalk
Existing Sidewalk
Existing Trail
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Pedestrian Temporary Traffic ControlQuestions?