Partnerships in Achieving Green Infrastructure Goals
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1 Partnerships in Achieving Green Infrastructure Goals Debra Mitchell, FASLA, LEED AP SmithGroupJJR Patrick Brawley, ASLA SmithGroupJJR Aaron Durnbaugh, Director of Sustainability Loyola University Chicago 2013 APWA International Public Works Congress & Exposition August 25-28, 2013 Chicago, Illinois
2 Partnerships in Achieving Green Infrastructure Goals 1. Why Green Infrastructure (GI)? 2. Case Studies (4) 3. A Partner s Perspective 4. What We ve Learned 2013 APWA Public Works Congress & Exposition August 25-28, 2013 Chicago, Illinois
3 What is GI? National Snapshot It s about spreading water out, slowing it down, and soaking it in. Glade Nancy Stoner, EPA Assistant Administrator for Water
4 Why GI? National Snapshot Increasingly powerful wet weather events are impairing water quality. Glade Level of service (LOS) in municipalities is dropping, resulting in more frequent flooding and property damage. Combined sewerage outflows (CSOs) discharge 850 billion gallons of discharge into streams, lakes and oceans annually.
5 Why GI? Chicago Snapshot 19 th & 20 th Century In 1900 the Chicago River watershed was reversed to flow Glade into the Mississippi watershed. In the 1970 s the Tunnel and Reservoir Project (TARP) started; to date $3.0B; completion scheduled in LOS target at 90% Avoided regulatory consent decree.
6 Why GI? Chicago Snapshot 2003 The City believes that the built infrastructure alone will not meet all of our Glade needs for managing wastewater and stormwater. It... will require a combination of upgrading our built infrastructure and creating a green infrastructure. The City will continue to invest in and encourage green infrastructure and design in City projects as well as private development.
7 Why GI? Chicago Snapshot 2008 Glade
8 Why GI? Chicago Snapshot 2008 Glade
9 Why GI? Chicago Snapshot From , the federal government and private insurers Glade paid $660M for residential flooding and sewage backup claims in Chicago and Cook County. 1 in 6 properties suffered water damage. Two-thirds of the zip codes with the most costly claims fall below Cook County s median household income.
10 Why GI? Chicago Snapshot 2012 Glade
11 Why GI? Chicago Snapshot 2013 Glade April 18, 2013 Chicago metropolitan area receives over 5-inches of rainfall overnight. 11 billion gallons of wastewater flushed into Lake Michigan. Re-reversal of Chicago River to Lake Michigan to avoid more flooding.
12 Why GI? Chicago Snapshot 2013 April Chicago Tribune Headline: Deep Tunnel Shallow Thinking Glade Fixing the problem requires a new way of thinking and more spending on green projects that allow runoff to soak into the ground before it reaches the sewers.
13 Why GI? Chicago Snapshot 2013 April Chicago Tribune Headline: Deep Tunnel Shallow Thinking Glade Fixing the problem requires a new way of thinking and more spending on green projects that allow runoff to soak into the ground before it reaches the sewers. 76.8%
14 Case Studies Chicago Green Alley Program Glade
15 Case Studies Cermak/Blue Island Sustainable Streetstcape Glade
16 Video
17 Case Studies Lincoln Park Zoo Nature Boardwalk Hard Edges Structural failures Traditional urban edges Asphalt pathways with no connection to the water Before
18 Case Studies Lincoln Park Zoo Nature Boardwalk 14 acres of revitalized and repurposed parkland. Living pond and laboratory. Example of urban ecosystems and sustainable living. Increased water quality and biodiversity. After
19 Case Studies Ravinia Festival South Parking Lot Average of 25 days per year in a flooded status. Before
20 Case Studies Ravinia Festival South Parking Lot 27,000 SF of permeable pavers increased permeability from 38% to 81%. Use of permeable pavers instead of traditional poured concrete saved over $35,000 in construction costs.
21 Case Studies Ravinia Festival South Lot Using detention vaults, avoided the need to purchase three adjacent lots at a cost of $1.8 million to accommodate above-ground stormwater detention. On July 22-23, 2011, the parking lot received over 8 of rain in 48 hours and remained free of standing water. Improved relationships with neighbors. After
22 Case Studies Loyola University Chicago Campus Pre-Development of Current Lake Shore Campus. Limited developable property Aging facilities Campus Flooding
23 Case Studies Loyola University Chicago Campus Development of a master plan: increase growth and overall development. Identify strategies for infrastructure improvements.
24 Case Studies Loyola University Chicago Campus Stormwater management master plan Guide development Maximize developable envelopes Regulatory Road Map
25 Case Studies Loyola University Chicago Technologies utilized Diversified Portfolio Rooftop Strategies Infiltration/Recharge Strategies Filtration Strategies
26 Case Studies Loyola University Chicago Campus Vegetated Rooftops Vegetative Filtration Clean Water Discharge
27 Case Studies Loyola University Chicago Campus Permeable Pavers Ground water recharge and detention volume Concentrated Surface Flow Infiltration and detention volume.
28 Case Studies Loyola University Chicago Campus Vegetative filtration and infiltration Engineered Filtration Lake Michigan Recharge
29 Case Studies Loyola University Chicago Campus 100-year Storm Event Existing Conditions: 3.5 acres discharged to Lake Michigan, at 22, 192 CF Final Conditions 22.5 acres discharge to Lake Michigan, at 81, 857 CF
30 Case Studies Loyola University Chicago Campus 70% reduction in total area of campus stormwater being diverted from city sewers. Increase in ground water and Lake Michigan recharge. Increased bio-diversity. Increase in developable/usable land. Creation of living laboratories.
31 A Partner s Perspective Loyola University Chicago Campus
32 A Partner s Perspective Loyola University Chicago Campus
33 A Partner s Perspective Loyola University Chicago Campus
34 A Partner s Perspective Loyola University Chicago Campus
35 A Partner s Perspective Loyola University Chicago Campus
36 A Partner s Perspective Loyola University Chicago Campus
37 A Partner s Perspective Loyola University Chicago Campus
38 A Partner s Perspective Loyola University Chicago Campus
39 What We ve Learned By leveraging public and private partnerships you can maximize GI opportunities. Every square-inch counts! Private Public Public Right-of-Way % 89.0
40 What We ve Learned GI policy barriers are often internal rather than external. Code conflicts Policy conflicts Different stakeholders, different expectations
41 What We ve Learned In 2012 Philadelphia s $2B Green City, Clean Waters 25-year plan to manage its stormwater with green methods was approved by the EPA, including: Green Infrastructure Traditional Infrastructure Waterways Restoration Community Partnerships
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