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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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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 relocation1

Path Widening/Relocation


Path widening relocation2

Path Widening/Relocation


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


Chicane only model

Chicane Only Model


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


Crash history on 91 st street1

Crash History on 91st Street


Crash history on 91 st street2

Crash History on 91st Street


Summary of speed study

Summary of Speed Study


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.


Outline

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