Understanding and Assessing Impacts
Transport Canada sought to address the potential impacts to climate change by conducting a vulnerability and risk assessment to:
- Ensure reliable service of their transportation systems;
- Determine which infrastructure components may be vulnerable to climate and weather related impacts;
- Identity and prioritize risk and qualitative actions to improve resiliency of the assets and operations to the changing climate.
The Climate Risk Assessment relied on data from the Pacific Climate Impacts Consortium (PCIC) and considered projected climate change scenarios of RCP 2.6, 4.5, and 8.5 to 2060. The high greenhouse gas emissions scenario of RCP8.5 was employed in the assessment and compared against a historical baseline period of 1971-2000. A number of climate indices were identified, including summer precipitation, winter night-time lows, days below freezing, number of warmer days above 25°C and 30°C, hottest day of the year, extreme heat and extreme rainfall.
The infrastructure assessed in the project include three main categories:
- Transportation: includes the ramps, taxiways, runway and drainage appliances.
- Electrical: components listed under electrical has been organized by system including electrical distribution systems, generator systems and lighting systems. These include systems across various buildings.
- Mechanical: components listed under mechanical have been organized by system or equipment type including central heating systems, unitary heating equipment, HVAC units, air distribution, plumbing equipment, food and housekeeping services, fire protection and controls systems. These include systems across various buildings.