Ocean Park Boulevard Green Street Project Alternatives & Trade - - PowerPoint PPT Presentation

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Planning Commission March 4, 2009 Ocean Park Boulevard Green Street Project Alternatives & Trade Offs Ocean Park Boulevard Streetscape Improvement Project Alternatives Presentation | Planning Commission | 3.04.09 Purpose of Tonights

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Ocean Park Boulevard Streetscape Improvement Project Alternatives Presentation | Planning Commission | 3.04.09

Planning Commission

March 4, 2009

Ocean Park Boulevard Green Street Project Alternatives & Trade Offs

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Ocean Park Boulevard Streetscape Improvement Project Alternatives Presentation | Planning Commission | 3.04.09

Purpose of Tonight’s Meeting

  • Review concept plans and
  • ptions
  • Provide input on alternatives

and trade-offs

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Ocean Park Boulevard Streetscape Improvement Project Alternatives Presentation | Planning Commission | 3.04.09

Project Objectives

  • Prepare conceptual streetscape alternative designs utilizing

community input and green street principles.

  • Improve walkability and bikeability.
  • Enhance pedestrian safety.
  • Implement environmental sustainability.
  • Provide for beautification and enhanced greenery.
  • Calm traffic and conflicts at intersections.
  • Maintain views from the 4th Street overpass.
  • Address noise and vibrations at bus stops (i.e. 4th Street overpass).
  • Provide gateways, landmarks, and public art (save the whale mural).

Project Objectives

CORE CITY PRINCIPLES: Open Space, Green Streets &

Pathways, Neighborhood Enhancement, Connectivity, City as Park, & Pedestrian Orientation

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Ocean Park Boulevard Streetscape Improvement Project Alternatives Presentation | Planning Commission | 3.04.09

Comparable Curb Widths in Santa Monica

  • Santa Monica Blvd. between Lincoln & 26th – 80’
  • Wilshire Blvd. between Lincoln & City limits – 100’
  • San Vicente Blvd. between Ocean & 7th – 130’

Typical Curb to Curb Widths

65’ – 75’ Typ. 126’ – 143’ Typ.

Typical curb widths at the 4th Street Overpass

COMMUNITY PRIORITY: Reclaim Ocean Park Boulevard as Open Space

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Ocean Park Boulevard Streetscape Improvement Project Alternatives Presentation | Planning Commission | 3.04.09

Existing Pedestrian Crossings

4 6th Street 5 Lincoln Boulevard 1 Main St / Neilson Way 2 3RD Street 3 4th Street 1 3 2 4 5

Note the lack of marked crosswalks between 6th Street & Lincoln Boulevard

EXISTING PEDESTRIAN CROSSINGS

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Ocean Park Boulevard Streetscape Improvement Project Alternatives Presentation | Planning Commission | 3.04.09

Single-purpose infrastructure to accommodate cars for former density Narrow sidewalks Unused / underutilized 20’ right-of-way Potential for green relief

Ocean Park Boulevard Today

Conflicts between pedestrians, bicycles, and vehicles Narrow sidewalks at overpass

EXISTING CONDITIONS

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Ocean Park Boulevard Streetscape Improvement Project Alternatives Presentation | Planning Commission | 3.04.09

Existing Conditions

Limited tree canopy from 12 year old Cassia trees Austere streetscape Pocket parks with no amenities & limited landscaping Missing trees

TREE CANOPIES AND OPEN SPACES

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Ocean Park Boulevard Streetscape Improvement Project Alternatives Presentation | Planning Commission | 3.04.09

2 Public Workshops 4,000 Invitations

  • Residents
  • Business community
  • Bicycle and pedestrian

advocates

  • School District

representatives 3/3/08 over 60 participants 4/23/08 over 40 participants

Community Outreach

  • Address walkability and

bikeability

  • Enhance pedestrian

safety

  • Implement environmental

sustainability

  • Provide for beautification

and enhanced greenery

  • Calm traffic and conflicts

at intersections

  • Maintain views from the

4th Street overpass

  • Address noise and

vibrations at bus stops (4th Street overpass)

  • Provide gateways,

landmarks, and public art (save the whale mural)

  • Presentation of three

alternatives; A, B & C

  • Alternative A – based

upon OPB Task Force approach

  • Alternative B – maximize

medians approach

  • Alternative C – grade-

separated bikeway approach

  • Presentation of options -

4th Street viewing deck, traffic circles and bus stops below overpass

  • Alternative C not pursued

after input

COMMUNITY OUTREACH

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Ocean Park Boulevard Streetscape Improvement Project Alternatives Presentation | Planning Commission | 3.04.09

Public Hearing Comments

PUBLIC HEARING COMMENTS

CITY COUNCIL (1.27.09)

  • ‘Mix and match’ best features from both plans
  • Re-examine issues addressed by public speakers related to

additional crosswalks, bike lane features, and traffic circles. RECREATION AND PARKS COMMISSION (2.19.09)

  • Maximize opportunities to expand green areas:
  • Expand community forest and increase tree canopy
  • Maximize landscaping in center medians
  • Explore hybrid approach to combing both concepts
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Ocean Park Boulevard Streetscape Improvement Project Alternatives Presentation | Planning Commission | 3.04.09

The Alternatives & Trade Offs

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Ocean Park Boulevard Streetscape Improvement Project Alternatives Presentation | Planning Commission | 3.04.09

ALTERNATIVE A: Adapted from the OPB Task Force Consensus Plan

Alternative A

  • Sidewalk extensions
  • Landscaped medians east of 5th St.
  • New crosswalks
  • Class II bike lanes
  • Pedestrian lighting
  • Vehicular turn constraints
  • Benches, bike racks, trash
  • Bus stops relocated to 4th St. overpass
  • $3.2M – $4.2M construction cost
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Ocean Park Boulevard Streetscape Improvement Project Alternatives Presentation | Planning Commission | 3.04.09

ALTERNATIVE A: Concept Design Features

5 ft. Curb Extensions

(bioswale or parkway)

Landscaped Medians

6 ft. to 14 ft. width, 96 ft. avg. length

Marked Crosswalks

with pedestrian refuge

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Ocean Park Boulevard Streetscape Improvement Project Alternatives Presentation | Planning Commission | 3.04.09

ALTERNATIVE A: Typical Section

1.1

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Ocean Park Boulevard Streetscape Improvement Project Alternatives Presentation | Planning Commission | 3.04.09

Project will collect runoff from over 55 acres in 3 watersheds

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Ocean Park Boulevard Streetscape Improvement Project Alternatives Presentation | Planning Commission | 3.04.09

ALTERNATIVE A: View West from 4th Street Bridge

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Ocean Park Boulevard Streetscape Improvement Project Alternatives Presentation | Planning Commission | 3.04.09

ALTERNATIVE A Features:

Alternative B

  • Landscaped medians
  • Limited curb extensions
  • New crosswalks
  • Class II bike lanes
  • Pedestrian lighting
  • Benches, bike racks, & trash cans
  • Vehicular turn constraints
  • Bus stops relocated to 4th St overpass
  • $2.5M – $3.5M construction cost

ALTERNATIVE B: Maximize Median Opportunities

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Ocean Park Boulevard Streetscape Improvement Project Alternatives Presentation | Planning Commission | 3.04.09

ALTERNATIVE B: Concept Design Features

Landscaped Medians

12 ft. to 20 ft. width, 105 ft. avg. length

Marked Crosswalks

with pedestrian refuge

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Ocean Park Boulevard Streetscape Improvement Project Alternatives Presentation | Planning Commission | 3.04.09

ALTERNATIVE B: Typical Section

2.1

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Ocean Park Boulevard Streetscape Improvement Project Alternatives Presentation | Planning Commission | 3.04.09

ALTERNATIVE B: View west from 4th Street Bridge

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Ocean Park Boulevard Streetscape Improvement Project Alternatives Presentation | Planning Commission | 3.04.09

ALTERNATIVE B: View east to 4th Street Bridge with optional viewing platform

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Ocean Park Boulevard Streetscape Improvement Project Alternatives Presentation | Planning Commission | 3.04.09

Sustainability Measures

  • Bioswales with infiltration - Alternative A only
  • Increased tree canopy - Greater on Alternative B
  • Water-retaining tree wells – Alternative A and Alternative B
  • Class II Bike Lane – Alternative A and Alternative B
  • Utilization of permeable concrete – Alternative A and Alternative B
  • Optional permeable concrete sidewalks – Alternative A and Alternative B @

$285,000

  • Optional permeable concrete curb and gutters – Alternative A and Alternative

B @ $80,000

  • Optional permeable asphalt roadway – Alternative A and B @ $500,000

Alternatives A & B: Sustainability Measures and Options

Options

  • Viewing Deck at 4th St. Overpass – Greater feasibility with

Alternative B @ $400,000

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Ocean Park Boulevard Streetscape Improvement Project Alternatives Presentation | Planning Commission | 3.04.09

ALTERNATIVE A ALTERNATIVE B

  • Closely matches OPB concept
  • Introduces Class II Bicycle lanes
  • Calms traffic with medians and

additional crosswalk control

  • 650 linear feet of center medians
  • 2000 linear feet of curb extensions

used for bioswales (4’ – 5’ width)

  • Captures more rainwater
  • Moves traffic away from homes and

buffers pedestrians from vehicles

  • Higher cost (+/-$650,000)
  • Maximizes median opportunities
  • Introduces Class II Bicycle lanes
  • Calms traffic with medians and

additional crosswalk control

  • More tree canopy
  • 1500 linear feet of center medians
  • 250 linear feet of curb extensions
  • Captures rainwater at medians
  • Provides greater opportunity for

viewing platform option

  • Lower Cost (w/viewing platform same

cost as Alternative A)

ALTERNATIVES A & B: Comparison Summary

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Ocean Park Boulevard Streetscape Improvement Project Alternatives Presentation | Planning Commission | 3.04.09

Community Issues

  • Crosswalk at 5th Street
  • Crosswalk at 2nd Street
  • Dedicated bike lane
  • Roundabouts and Circles

Community Issues and Next Steps

Next Steps

  • April/May 2009 - Community Meeting #3
  • May/June 2009 - Completion of Summary Concept and Report and

Endorsement by City Council

  • FY 2008/2009 - Construction Documentation: $350 - $450K, CIP Approved
  • FY 2009/2010 – Buildout: estimated cost $4.1M, CIP Approved
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Ocean Park Boulevard Streetscape Improvement Project Alternatives Presentation | Planning Commission | 3.04.09

Summary Points

Alternative A and Alternative B realize Project objectives – differently, both…

  • Enhance walking and biking
  • Increase pedestrian safety
  • Promote environmental sustainability
  • Beautify streetscape and enhance greenery
  • Calm traffic and resolve conflicts at intersections
  • Improve intermodality along Ocean Park Blvd. and at bus stops
  • Provide opportunities for gateways, landmarks, and public art

Alternative A

  • Capture more storm water runoff
  • Costs approximately $250,000 - $650,000 more

Alternative B

  • Better creates opportunity to enhance view from the 4th St. overpass
  • Maximizes green median identity options

ALTERNATIVES A & B: Summary

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Ocean Park Boulevard Streetscape Improvement Project Alternatives Presentation | Planning Commission | 3.04.09

Purpose of Tonight’s Meeting

  • Review concept plans and
  • ptions
  • Provide input on alternatives

and trade-offs

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Ocean Park Boulevard Streetscape Improvement Project Alternatives Presentation | Planning Commission | 3.04.09

We are here The Planning Process and Next Steps

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Ocean Park Boulevard Streetscape Improvement Project Alternatives Presentation | Planning Commission | 3.04.09

The Planning Process and Next Steps XX

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Ocean Park Boulevard Streetscape Improvement Project Alternatives Presentation | Planning Commission | 3.04.09

5th Street Crosswalk

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Ocean Park Boulevard Streetscape Improvement Project Alternatives Presentation | Planning Commission | 3.04.09

2nd Street Crosswalk and/or Compact Traffic Circle

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Ocean Park Boulevard Streetscape Improvement Project Alternatives Presentation | Planning Commission | 3.04.09

2nd Street Crosswalk and/or Compact Traffic Circle

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Ocean Park Boulevard Streetscape Improvement Project Alternatives Presentation | Planning Commission | 3.04.09

Firehouse #2

2nd Street Compact Traffic Circle

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Ocean Park Boulevard Streetscape Improvement Project Alternatives Presentation | Planning Commission | 3.04.09

Dedicated Bicycle Lane Analysis

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Ocean Park Boulevard Streetscape Improvement Project Alternatives Presentation | Planning Commission | 3.04.09

Why Choose Vegetated Swales:

  • Widely-accepted stormwater strategy
  • Simple to construct
  • Relatively low-cost to implement

Potential Constraints:

  • Need long, continuous spaces which can be difficult to find in

retrofit conditions

  • Difficult to incorporate other streetscape elements within swales

(lighting, signage, etc.)

  • More difficult to provide good pedestrian circulation through swales
  • Often designed to be “too deep” and, as a result, are not

aesthetically pleasing

  • Long-term maintenance requirements

Bioswales and Infiltration Planters XX

Source: San Mateo Countywide Water Pollution Prevention Program

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Ocean Park Boulevard Streetscape Improvement Project Alternatives Presentation | Planning Commission | 3.04.09

Residential Steep Grade Arterial School Boulevard Parking Lot

Bioswales and Infiltration Planters

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Ocean Park Boulevard Streetscape Improvement Project Alternatives Presentation | Planning Commission | 3.04.09