the new resilient city

REBUILD BY DESIGN

The New Resilient City:Infrastructure Meets Community Fabric

2Source: Dan Nguyen/SIRR Report

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Outer borough impacts…beach

Source: Getty

5Source: Irene Plagianos/DNA info

6Source: Suzanne DeChillo/The New York Times

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Outer Borough Impacts…buildings

Source: CGC76/Flickr

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Outer borough impacts…beach

Source: Mario Alias/Flickr Source: MTA

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11Source: 2012 CBS Interactive

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Outer borough impacts…beach

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There were lots of people helping other people

Source: CAAAV

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100-Year Floodplain: V Zone (FEMA 2013 PWMs)

100-Year Floodplain: A Zone (FEMA 2013 PWMs)

500-Year Floodplain (FEMA 2013 PWMs)

100-YEAR FLOODPLAIN*

1983 FIRMs

2013 PWMs

Change (%)

Residents 218,000 398,000 82%

Jobs 214,000 271,000 27%

Buildings 36,000 68,000 89%

Floor Area (SF)

377M 534M 42%

* Numbers are rounded for clarity

FEMA June 2013 Flood Maps

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Flood Maps in 2020s and 2050s

100-YEAR FLOODPLAIN*

2013 PWMs

2050s Projected

Change (%)

Residents 398,000 801,000 101%

Jobs 271,000 430,000 59%

Buildings 68,000 114,000 68%

Floor Area (SF)

534M 855M 60%

* Numbers are rounded for clarity

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Source: UCAR/ NCAR, NOAA

Sandy eclipsed the previous record, set in 1960, by almost 40%

Note:

Among top 10 high water marks at the Battery since 1900, all are post-1950

Top Ten High-Water Events at the Battery, 1900-2012

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Likelihood of Damage (%) (Return Period, 50 = 1/50 years)

Cost and Likelihood of Future Storms

Source: Swiss Re model

1/60

~$90B

~$35B

~$19B1/50

1/70

Likelihood of a $19B storm (like Sandy) will grow 17% by the 2020s and 40% by the 2050s

Likely loss of 1/70-year storm (like Sandy) will grow to $35B by the 2020s and $90B by the 2050s (in current dollars)

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DRAFT

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Dutch River Delta

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NYC: 68,000 buildings in the 100-year floodplain40% impractical or infeasible to elevate

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Credit: Photos of Old America, 1999

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Credit: Photos of Old America, 1999

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DRAFT

29San Antonio Riverwalk

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Neighborhood Retail and Services

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33 33REBUILD BY DESIGN|

HR&A Advisors, Inc. | Cooper, Robertson & Partners

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Blending and Layering Resiliency

The Resiliency Firm of Choice

BLENDING RESILIENCY INTO DESIGN

RedundancyHardening

Habitat Restoration

Water Quality

Waterfront AccessOpen Space

Retreat

AccommodationBiodiversity

Climate Adaptation

Outdoor Recreation

The Resiliency Firm of Choice

BLENDING RESILIENCY INTO DESIGN

AccommodationHardening

Habitat RestorationWater Quality

Waterfront AccessOpen Space

Resiliency is not the sole driver…Resiliency Sustainability

The Resiliency Firm of Choice

LAYERS OF RESILIENCY

THREAT

3) Buildings

2) Infrastructure

1) Coastal

PROTECTING ASSETS

REDUCING RISK

The Resiliency Firm of Choice

THREAT

2) Infrastructure

PROTECTING ASSETS

REDUCING RISK

PROTECTIVE LAYERS WITHIN INFRASTRUCTURE

1) Ingress prevention

2) Compartmentalization and Water Removal

3) Critical Facilities Protection

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Large-Scale Coastal Protection

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Coney Island, NYConey Island Beach

Nourishment

1992 1995

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Parks and the Public Realm

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Building Adaptation

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Arverne-by-the-SeaRaised site and flood

protection

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BUILDING and STREET ADAPTATIONPrograms to assist when investment costs more than the

buildings

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BUILDING and STREET ADAPTATIONPolicy levers to reduce carbon and provide local benefits

Special Initiative for Rebuilding and Resiliency

BUILDING and STREET ADAPTATIONArea-wide strategies

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Community-Based Adaptation Services

Proposal: establish long-term local hubs integrating recovery assistance (like Build It Back), agency services (like building permits) and facilitation of long-term planning for resilience.

Communities devastated by Sandy continue to suffer from isolation from discussions about recovery and resilience.

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Innovation and Resilience through Regional Design

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PROCESS / TALENT / FUNDING

Priorities for Creating a Livable and Resilient New York City

Mobilize Existing Resources and Diverse Expertise.

Strengthen Local Capacities.

Invest In Flexible And Adaptive Infrastructure.

Lead With Policies That Sustain Resilience.

mas.org/urbanplanning/resilience/

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