Colorado Street Bridge Suicide Mitigation Enhancements Project - PowerPoint PPT Presentation

Department of Public Works Colorado Street Bridge – Suicide Mitigation Enhancements Project Public Safety Commission February 3, 2020

Project Background Department of Public Works • April 17, 2019 – Public Safety Committee directed staff to re-evaluate and streamline the project’s environmental and design scope of work, and return with a condensed project schedule and reduced design cost • May 15, 2019- The Public Safety Committee recommended the award of contract to Donald MacDonald Architects • May 20, 2019, City Council authorized award of contract to Donald MacDonald Architects for environmental and design services 2

Task Force Recommendations Department of Public Works Design and Install: • Full Length Vertical Barriers • Minimum height above highest toehold of 7’-6” • Extend both sides of the bridge for its entire length • End Treatments • Deter a person’s ability to walk the outside ledge to a location where a jump would cause serious injury or death • Complimentary Measures • Work in concert with the measures above to mitigate suicides and suicide attempts from the bridge to the greatest extent possible 3

Project Meetings Department of Public Works • September 9, 2019 – Stakeholder Meeting • September 26, 2019 – Community Meeting – Solicit comments and public input • October 29, 2019 – Community Meeting – Present various concepts and solicit feedback • November 15, 2019 – Pasadena Heritage and stakeholders • November 19, 2019 – Historic Preservation Commission (Advisory Review) • November 26, 2019 – Design Commission (Advisory Review) • February 3, 2020 – Public Safety Committee 4

Guiding Principals of Design Department of Public Works 5

Guiding Principal - Effectiveness Department of Public Works 6

Guiding Principal - Effectiveness Department of Public Works 7

Guiding Principle – Historic and Character Defining Features Department of Public Works 8

Guiding Principle – Bridge Aesthetics Department of Public Works 9

Secretary of the Interior’s Standards A2 Mesh Department of Public Works 14’ A2 Vertical Frame/Flexible Mesh (w/o Intermediate Posts) 10

Secretary of the Interior’s Standards Secretary of the Interior’s Standards A2 Mesh A2 Mesh Department of Public Works Vertical Frame/Flexible Mesh A2 (w/o Intermediate Posts) 11

Secretary of the Interior’s Standards A2 Mesh Department of Public Works Vertical Frame/Flexible Mesh A2 (w/o Intermediate Posts) 12

Secretary of the Interior’s Standards A2 Mesh Department of Public Works Vertical Frame/Flexible Mesh (w/o Intermediate Posts) A2 13

Secretary of the Interior’s Standards A2 Mesh Ver 2 Department of Public Works 14’ A2 Vertical Frame/Rigid Mesh (w/ Intermediate Posts) 14

Secretary of the Interior’s Standards A2 Mesh Ver 2 Department of Public Works Vertical Frame/Rigid Mesh A2 (w/ Intermediate Posts) 15

Secretary of the Interior’s Standards A2 Pickets Department of Public Works A2 Vertical Frame/Pickets 16

Secretary of the Interior’s Standards A2 Pickets Department of Public Works A2 Vertical Frame/Pickets 17

Secretary of the Interior’s Standards A2 Pickets Department of Public Works A2 Vertical Frame/Pickets 18

Secretary of the Interior’s Standards A2 Pickets Department of Public Works Vertical Frame/Pickets A2 19

Secretary of the Interior’s Standards B2 Mesh Department of Public Works 13’ B2 Curved Frame/Rigid Mesh (w/Intermediate Posts) 20

Secretary of the Interior’s Standards B2 Mesh Department of Public Works B2 Curved Frame/Rigid Mesh (w/Intermediate Posts) 21

Secretary of the Interior’s Standards B2 Mesh Department of Public Works Curved Frame/Rigid Mesh B2 (w/Intermediate Posts) 22

Secretary of the Interior’s Standards B2 Mesh Department of Public Works Curved Frame/Rigid Mesh (w/Intermediate Posts) B2 23

Secretary of the Interior’s Standards B2 Mesh - Hybrid Department of Public Works B2 Hybrid Rigid Mesh (w/Intermediate Posts) 24

Secretary of the Interior’s Standards B2 Mesh - Hybrid Department of Public Works B2 Hybrid Rigid Mesh (w/Intermediate Posts) 25

Comparative Heights of the Options Department of Public Works 26

Comparative Heights of the Options Department of Public Works 27

Top of Barrier and Lights Department of Public Works 28

Community Consensus Department of Public Works • Keep all alcoves open • Position the barrier on top of the existing balustrade • Position the barrier on the bridge side of the lamp poles to increase effectiveness • Keep the existing lamps but modify the height to maintain visibility on the bridge 29

Pros and Cons Department of Public Works A2 B2 Flexible Mesh Rigid Mesh Pickets Curved Rigid Mesh - Effective - Effective - Less effective - Most effective - Fewer vertical posts - Additional vertical posts - Introduction of - Decorative look - Doesn’t look institutional compared to flexible mesh horizontal toe holds - Contingent on - Maximizes transparency -Doesn’t look institutional - More traditional look finding an acceptable - Contingent on finding an -Maximizes transparency - Vertical rods present flexible mesh pattern acceptable flexible mesh -Fewer vertical posts at limited transparency pattern that prevents toe alcoves looking down the bridge holds - Contingent on finding an acceptable rigid mesh pattern that prevents toe holds 30

Next Steps Department of Public Works DESCRIPTION DATE Full-Scale Mock-Up Installation March 2020 Historic Preservation Commission: Follow-Up April 2020 Review Design Commission: Follow-Up Review April 2020 Public Safety Committee/ City Council: Design May 2020 Recommendation and Approval 31