2007 aia infrastructure
DESCRIPTION
Presented at the AIA Design on the Delaware conference, Philadelphia 2007. Focus is stormwater infrastructure executed by landscape architects in collaboration with engineers and architects. Venice Island Park, designed for Philadelphia Water Department is a case study.TRANSCRIPT
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Taking utilities beyond the utilitarian: Infrastructure as an amenity
Marita Roos ASLA Andropogon Associates LTD
Joanne Dahme Watersheds Programs Manager PWD
Allison Schapker Andropogon Associates LTD
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Infrastructure: Civic Opportunity
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Infrastructure is the link between people and life-sustaining resources
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Infrastructure has the power to organize communities
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Infrastructure is part of the evolutionary landscape
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The Philadelphia Story
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Collection System Statistics % Combined Sewer 60% % Separate Sewer 40% % Impervious – Citywide 47.4% % Impervious – STREETS (10,000 acres) 23% Miles of sewer 2,955 # of Street Inlets 75,000 # of CSOs 175 Annual CSO Volume 19 BG/yr Rain Events per Year 80/yr # of Stormwater Outfalls 457 Annual SW Volume 12 BG/yr
* BG = Billion Gallons
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New Stormwater Regulations – Private Development
New Requirements
Flood Protection
Match Pre to Post Development
Release Rates for a Range of Events
Existing Ordinance Objectives
Channel Protection
Detain the1-yr, 24 hour storm
for24hrs
Provide Groundwater Recharge and Water
Quality Treatment
1” from Directly Connected Impervious
Area
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Visibility
High
Low
Watershed-Based CSO Control Program: The City of Philadelphia
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Deep Infrastructure
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1. Design applications- not structures
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application = systems at the service of the human condition
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a structure an application
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2. Ask for more
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parking, stormwater management, lighting, biofiltration,
pedestrian pathway, carbon sequestration, vegetative buffer,
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Beautiful.
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3. Change the process
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architect’s sketch
engineer’s sketch
the result
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4. Think mechanically simple; ecologically complex
planting solar orientation shading devicesbuilt form
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natural systems:flexiblemodularresilientadaptableefficientenergy-efficientresource-
conservative
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Lower Venice Island
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Ask for more:Divert three million gallons of stormwater
from the entering the Schuylkill RiverImprove connections from the island to
local businessesManage every reasonable drop of rain that
falls onto the Island Maintain two hundred parking spaces to
serve business communityImprove the facilities used by local
stakeholdersDevelop new active recreation
opportunities Improve connections to the riverImprove the Island’s ability to recover from
floodingMaintain natural quality of islandMake Island a civic space for ManayunkProvide new performing arts facilitiesDevelop safer provisions for flooding on
the IslandShowcase sustainable development
techniquesCreate access for watercraftMake a space for sporting events in
Manayunk
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Change the Process
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Mechanically simple, ecologically complex
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