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Outline. Board Direction Tasks Completed Recommendation. Board Direction. Approved motion from December 2008 Conceptually approve the 60% plans with the traffic calming Widen path to 8 feet and move to edge of right-of-way where possible

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Presentation Transcript
Outline
Outline

  • Board Direction

  • Tasks Completed

  • Recommendation


Board direction
Board Direction

  • Approved motion from December 2008

    • Conceptually approve the 60% plans with the traffic calming

    • Widen path to 8 feet and move to edge of right-of-way where possible

    • Discuss with GRU the feasibility of underground utilities

    • Insure no additional stormwater impacts

    • Refer issue to Bicycle/Pedestrian Advisory Board


Board direction1
Board Direction

  • Additional Requests

    • 3 Chicane model

    • 91st Street crash data

    • Leon County canopy road program


Path widening relocation
Path Widening/Relocation

  • Tasks Completed

    • Horticulturist and Arborist reviewed relocation

    • Field meeting with Commissioner Byerly

    • Meeting with affected property owners

  • Results

    • Relocated path south of NW 1st Place to back of right-of-way

    • Meandered path north of NW 1st Place and widened to the east (toward the road)




Path widening relocation3
Path Widening/Relocation

  • Benefits

    • Additional space for landscaping

    • Additional stormwater storage within the swales

  • Issues

    • Requires relocation of approximately 1600’ of fence

    • Reconstruction of path

      • Some underbrush removal

      • Potential adverse impacts to root systems


Underground utility discussion
Underground Utility Discussion

  • Tasks Completed

    • Meeting with GRU (February 2nd)

    • Utility coordination meeting (February 16th)

  • Discussion

    • Life-cycle cost of underground vs. overhead

    • Types and locations of utilities along 91st

    • Potential impacts

    • Costs


Underground utility discussion1
Underground Utility Discussion

  • Benefits

    • Better conditions for canopy development

  • Issues:

    • Life-cycle: underground is cost-prohibitive

    • Location: Cox Communications co-located on poles; AT&T and GRU water/waste water underground

    • Impacts

      • GRU easement requirements

      • Existing underground utilities

      • Trees

    • Costs (only for main line): GRU $1,000,000; Cox $450,000


Underground utility discussion2
Underground Utility Discussion

  • County pays

    • Approximately $1,450,000 for main line

    • Plus cost of connections to homes

  • County cannot force utilities to move existing facilities underground


Stormwater impacts
Stormwater Impacts

  • Tasks Completed

    • Kimley-Horn and Associates completed a drainage analysis of basin

    • Analysis was performed based on 60% plans as presented

      • 8’ wide multi-use path

      • Proposed traffic calming features


Stormwater impacts pre construction
Stormwater Impacts – Pre-Construction


Stormwater impacts post construction
Stormwater Impacts – Post-Construction


Bicycle pedestrian advisory board
Bicycle/Pedestrian Advisory Board

  • Tasks Completed

    • Presented to BPAB on February 24, 2009

  • Results

    • BPAB recommended leaving path in place and widen to 8’ where possible

      • Same recommendation as Citizen’s Advisory Committee


Bicycle pedestrian advisory board1
Bicycle/Pedestrian Advisory Board

  • Benefits

    • Less likelihood of impacting trees as compared to relocation

  • Issues

    • Requires reconstruction of sidewalk

    • Possible decrease in storage capacity of swales



3 chicane model
3 Chicane Model

Chicane #1


3 chicane model1
3 Chicane Model

Chicane #2


3 chicane model2
3 Chicane Model

Chicane #3


Chicanes only model
Chicanes Only Model

  • Chicanes only model is not a viable option

    • Driveway conflicts

    • Sight distance issues


Crash history on 91 st street
Crash History on 91st Street

  • Reviewed crash history

    • Data from 2002-2007

  • Standard practice to review crash history prior to beginning resurfacing, restoration and rehabilitation projects

  • May indicate problems with existing conditions





Relationship of speeds crash rate
Relationship of Speeds & Crash Rate

  • Crash rates are lowest when posted speeds are at 85th percentile


Leon county canopy road information
Leon County Canopy Road Information

  • Nine designated scenic roads

  • Mix of arterial, collector and local roads

    • Speed limits range from 30mph to 55mph

    • Traffic volumes range from 2,000 ADT to 7,000 ADT

  • Mix of driving surfaces


Recommendation
Recommendation

  • Approve the 60% design plans as presented which include widening the existing multi-use path to 8’ and relocating the path to the edge of the right-of-way where feasible.

  • Direct staff to complete plans.