Ramsés II La Verdadera Historia - Christiane Desroches Noblecourt
Designing for Climate and Energy Resiliency in New York...
Transcript of Designing for Climate and Energy Resiliency in New York...
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Designing for Climate and Energy Resiliency in New York City
Susanne DesRochesDirector, Energy + InfrastructureNew York City Office of ResiliencyOffice of Sustainability
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Hurricane Sandy devastated NYC
• 44 lives lost
• $19 B in damages
• 1000s of displaced NYers
• 51 sq. mi. flooded (17% of NYC)
• 88,700 buildings inundated
• 2M people lost power
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NYC is vulnerable to climate impacts
According to the NYC Panel on Climate Change (NPCC), by the 2050s…
• 4-6˚F (2.2-3.3˚C) increase in average temperature
• Number of days above 90⁰F (32.2˚C) could triple
• 4-11% increase in average annual precipitation
• Sea levels likely to rise 1-2 ft (30-61cm); maybe 2.5 ft (76cm)
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Mitigating Future Risks – Climate Design
• NYC Climate Resiliency Design
Guidelines - 2017
• NYC has begun using climate
change projections in capital project design to mitigate risk
• Risks addressed:
▪ Extreme heat
▪ Average higher temperatures
▪ Extreme rainfall
▪ Tidal flooding with sea level rise
▪ Coastal storms
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Increasing heat will impact facilities, systems and materials
• Design guidelines provide heat projections and criteria to evaluate and mitigate impact
Climate Design – Temperature Rise
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90F/32.2C
91F/32.8C
98F/36.7C60.6F/15.9C
54F/12.2C
(base = 65F/18.3C)
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Climate Design – Urban Heat Island Effect
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Mitigation strategies include:
• Cool and shade facility lots
• Utilize green roofs and landscape architecture
• Evaluate sources of industrial heat pollution
Heat Vulnerability
Index (HVI) Map
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NYC Department of City Planning: Flood Hazard Mapper (nyc.gov/floodhazardmapper)
Climate Design – Sea Level Rise
Using current floodplain:
• Site location - base flood elevation (PFIRM 2015)
Incorporate future floodplain:
• Site location in SLR-adjusted flood maps
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Asset Life:
2020-2050
Code Height:12 in (30.5 cm) or 24 in (61 cm) above FEMA 1% Flood Elevation
16 in
(40.6 cm)
28 in
(71.1 cm)
Asset Life:
2050-2080
36 in
(91.4 cm)
Asset Life:
2080+
GRADE
Climate Design – Sea Level Rise
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2019 NYC Climate Mobilization Act includes requirement for new construction to install solar and/or green roofs
Climate Design – Using Local Laws
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Green roofs:
• Offer energy- and cost-
savings by regulating indoor temperatures
• Lower ambient temperatures, helping reduce the urban heat island effect
• Relieve pressure on drainage
systems by absorbing stormwater
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Climate Design – Electric Utility Advocacy
Since Hurricane Sandy, NYC has invested over $1 billion (~£765M) in storm hardening measures in the utility sector
NYC is currently involved in current energy resiliency planning initiatives led by:
10Con Edison NYISO
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Climate Design – Community Energy Planning
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https://tinyurl.com/nycenergymap
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Community Energy Planning Tool – Feasibility
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Community Energy Planning Tool – EJ
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Community Energy Planning Tool – Resilience
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