Getting Started On Your Green Infrastructure (GI) Plan
Transcript of Getting Started On Your Green Infrastructure (GI) Plan
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Peter Schultze-Allen EOA Inc.
Annual SCVURPPP C3 Workshop
June 16, 2015
Getting Started On Your
Green Infrastructure (GI)
Plan
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Presentation Outline
MRP 2.0 C.3.j (GI) requirements
GI Framework elements
GI Plan elements
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Strategy to Meet MRP 2.0 GI
Requirements 1st Year:
Develop and approve
a GI Framework
2nd Year:
Prioritize & map planned
potential GI projects
3rd Year:
Continue to develop GI Plan
4th Year:
Finalize, approve & Submit GI Plan
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GI Framework Development
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GI Framework
1st Task in C.3.j – sets stage for GI Plan
Desired outcomes:
• Get “buy-in” from electeds and management on a GI approach/process with both short term and long term goals
• Describe GI Plan and MRP requirements
• Estimate and allocate resources required for preparation of GI Plan
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Contents of Framework
MRP requires that the following items be addressed in the Framework that are needed to complete the GI Plan:
1. Statement of Purpose
2. Tasks and Timeframes
3. Plans, Policies and Specifications to be updated.
4. GI Measures to be selected
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1. Statement of Purpose
Overall GI goal is to disconnect impervious areas (IA) throughout urban watersheds to reduce runoff and improve water quality
Describe water quality problems including pollutants of concern in permit (TMDLs)
Describe multiple benefits of GI Measures
Time frames – short and long term
Coordination with transportation projects: integrate complete streets and green streets
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2. Tasks and Timeframes
Tasks:
• Describe tasks that will be undertaken in order to develop the GI Plan such as:
—Collecting data and maps
—Using/developing a prioritization mechanism such as the GreenPlan IT tool
—Assembling a interdepartmental team
—Process for educating staff, electeds and public
Timeframes:
• Break out tasks for each permit year
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3. Plans, Policies and Specs
General Plan & specific/area/precise plans
Bicycle and pedestrian plans
Storm drain master plan
Long term trash plan
Parks and open space plans
Urban forestry plan
Transportation & pavement maint. plan
Complete streets policy
Street design specifications
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4. GI Measures Biotreatment Measures:
Green Streets:
• Green Bulb-out
• Sidewalk planter
• Traffic Circle
• Tree Trench
• Rain garden
Other Measures
• Pervious Paving
• Infiltration trenches
• Cisterns
Buildings and Parking lots:
• Flow-through planter
• Green roof
• Tree Trench
• Rain garden
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Biotreatment: Green Bulb-out
Palo Alto Campbell
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Biotreatment: Sidewalk Planter
San Mateo Alameda
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Biotreatment: Traffic Circle
Berkeley
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Biotreatment: Tree Trench
E Sunnyvale
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Biotreatment: Rain Garden
San Jose El Cerrito
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Biotreatment: Flow-Thru Planter
Emeryville Alameda
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Biotreatment: Green Roofs
San Jose San Bruno
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Pervious Paving
Berkeley Berkeley
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Infiltration Trenches
San Jose
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Cisterns
Oakland Berkeley
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Framework: 1st Step Guidance
The following slides give suggestions for initial steps that jurisdictions can take to begin the GI planning process.
Your jurisdiction may already have completed some or all of these steps
BASMAA and/or your Countywide Stormwater Program may be able to provide assistance in some of these areas.
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1. Assemble Staff from Related
Departments
Engineering
Planning
Transportation
Maintenance
Urban Forestry
Landscaping
Community Development
Parks
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2. Identify Gaps in
Engineering Data
Engineering data:
• Geometry: widths and lengths of streets (curb to curb), rights of way, curbs, gutters, sidewalks, planting strips, medians, travel and parking lanes
• Topography and drainage: street cross slopes, longitudinal slopes, crown heights, curb cuts, curb ramp slopes, sidewalk slopes, underground utility maps, storm drain system maps and drainage areas
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Data continued…
Planning and environmental data:
• Street tree inventory, Priority Development Areas, projected areas of development, existing and proposed land uses, parcel and building footprint data, creek buffers and water bodies
• Pollutants of concern - land use (proxy for PCBs), trash management areas, roadway vehicles per day volumes (proxy for vehicle-related pollutants)
• Treatment system inventory
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3. Educate Management,
Electeds and the Public on
Green Infrastructure Issues
City of San Mateo Taste and Talk Series www.sustainablestreetssanmateo.com/tasteandtalk/
Public Hearings
Workshops
Staff Training
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GI Plan Development
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Required GI Plan Elements
Statement of Purpose and Tasks
Timeframes and Targets for Retrofitting IA
Plans and policies coordinated and updated
GI Tools, prioritization mechanisms to be used and outputs (maps)
Integration of GI into future projects
Process for tracking and mapping progress
Streetscape Design Guidelines and specs
Alternative Compliance Coordination
Funding options discussion
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Step 1: Prioritize Efforts
Using the existing list of plans, GIS data, maps, and other resources, begin to prioritize short term and long term planning efforts.
Consider using GreenPlan IT, Google Earth or similar tool to identify areas of prioritization.
Another option is to overlay maps of Priority Development Areas, Trash Management Areas, and land uses.
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Example: Large/Medium City
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Example: Medium/Small City
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Step 2: Early Implementation Review Capital Improvement Projects to
identify opportunities for GI: • Road diets (bicycle lane projects) • Pedestrian Safety projects (use bulb-outs) • Street Tree Planting (suspended pavement) • Roadside Landscaping (rain gardens) • Storm drain maintenance (curb extensions) • Utility work (curb extensions) • Roadway reconstruction (all options) • Diagonally angled street intersections (space)
Checklists to assist in reviewing projects will be developed
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Road Diet Example: Colma
Before: two travel lanes in each direction,
no parking and no cross-walks
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After: new bike and parking lanes &
green bulb-outs with cross walk.
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Roadside Landscaping
Retrofit Example: Berkeley
Before: City park area - low use
with high maintenance
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After: re-graded area with new rain
garden treating street run-off
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3. Leverage Private
Development Review Private Projects in the pipeline
for opportunities to add GI elements
Consider adding public roadway runoff treatment landscapes to conditions of approval on project frontages where curb, gutter, sidewalk and/or street tree improvements will be taking place.
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4. Review Standard and
Typical Details
Consider adding new typical or standard green infrastructure construction details to jurisdictional toolbox.
Discuss common construction errors and training needs for staff.
Regional standards are being developed as part of the Urban Greening EPA grant
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For More GI Information…
San Mateo County Green Streets Guide:
www.flowstobay.org/gsdesignguide
SFPUC GI Typical Details:
www.sfwater.org/index.aspx?page=446
Central Coast LIDI GI Typical Details:
www.centralcoastlidi.org
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Contact Information
Peter Schultze-Allen
510-832-2852 x128
Jill Bicknell
408-720-8811 x1