Ruth Shilston RW RWDI Adaptation to Severe Weather Events - - PowerPoint PPT Presentation

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Ruth Shilston RW RWDI Adaptation to Severe Weather Events - - PowerPoint PPT Presentation

Ruth Shilston RW RWDI Adaptation to Severe Weather Events Contents It is our responsibility as engineers to create buildings that are resilient to extreme events, both current and future ones. By attending this session, you will: Find out


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Ruth Shilston RW RWDI

Adaptation to Severe Weather Events

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Contents

It is our responsibility as engineers to create buildings that are resilient to extreme events, both current and future ones. By attending this session, you will:

  • Find out how to manage flood risks, including managing risks to assets.
  • Understand the challenges of designing in extreme climates.
  • Obtain an overview of the UK Heatwave Plan and understand its implications

to building and urban design. This presentation will cover

  • How do we understand the climate?
  • Design for extreme climates
  • Resilience Assessment of existing buildings
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How do we understand the climate?

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Designing for extreme climates?

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SET Qatar 2022 target 26°C WBGT Heat risk 29.4°C Qatar 2022 target 26.0°C

40.5 52.5 46.3

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How will our existing building stock adapt to a changing climate?

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Climate Analysis

Baseline & Forecasted

Data Collection

Site visits, interviews, drawings, GIS

Yes/No Analysis

Remove irrelevant

  • r insignificant

interactions

Vulnerability Assessment

Assign probability and severity scales

Identify Actions

Make recommendations based on best practice

Prioritize

Rank the recommendations and place on timeline

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http://www1.toronto.ca/city_of_toronto/environment_and_energy/key_priorities/files/pdf/tfwcds-full-report.pdf

Weather T ype Parameter Percent Increase Maximum in One Day 152% Mean Annual Daily Maximum 79% Maximum in One Day 152% # of Days with more than 25mm

  • 44%

Maximum Daily Temp. 33% # of Days more than 30°C 230% Minimum Daily Temp.

  • 35%

# of Days less than -10°C

  • 99%

# of Days below 0°C

  • 45%

# of Degree Days Greater than 24°C 445% # of Degree Days Greater than 0°C 41% # of Degree Days Less than 0°C (extra heating required)

  • 85%

Maximum (in °C) 19% # of Days greater than 40°C 333% Average # of Storms per Year

  • 23%

Average CAPE (convective energy potential) in One Year 7% Average EHI (combination if SRH and CAPE) in One Year 19% Degree Days Humidex Storms Extreme Precipitation Extreme Rain Extreme Heat Extreme Cold

Climate Analysis

Baseline & Forecasted

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Data Collection

Site visits, interviews, drawings, GIS

Yes/No Analysis

Remove irrelevant

  • r insignificant

interactions

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Probability

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  • Likelihood of climate change
  • State of good repair
  • Redundancy
  • Historic Performance

Vulnerability Assessment

Assign probability and severity scales

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Severity

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  • Damage to system
  • Productivity risk
  • Health risk

Vulnerability Assessment

Assign probability and severity scales

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Mech. Security Water Elect. Site Enclosure Structure Access Enviro. Heating Cooling Ventilation COMPONENTS & SYSTEMS Rain Intensity Wind Intensity Snow & Ice

  • Temp. &

Humidity Freeze/Thaw Cycles APPLICABILITY PROBABILITY

1 2 3 4 5 6 7

SEVERITY

1 2 3 4 5 6 7

VULERNERABILITY 4

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Identify Actions

Make recommendations based on best practice

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cibse.org/b2plive @CIBSE #Build2Perform

Any questions?