Designing and constructing for resiliency has become a significant concern for business and government decision-makers in the face of the growing frequency and severity of extreme weather events and other natural disasters.
But managing the transition to a more sustainable and resilient future is proving to be far more challenging than anyone could have imagined. Recognizing and adapting to overcoming vulnerabilities often requires fundamental reorientations of ‘business as usual’, and while the financial benefits of being better prepared far outweigh the costs of inaction, he pathways to a safer tomorrow are not easy.
What then are the main pillars of resiliency that can make the journey less treacherous?
Risk Assessment
The first pillar is a thorough risk assessment. This involves identifying and evaluating potential hazards, vulnerabilities, and the consequences of extreme weather events on the social and economic well-being of communities, as well as on the physical infrastructure that sustains us.
This process should consider a range of potential events, including floods, hurricanes, heatwaves, and droughts, as well as their potential impacts on various types of structures, such as buildings, transportation systems, and energy grids.
The risk assessment should also consider the probability of these events occurring and the potential severity of their impacts. This involves analyzing historical data, climate models, and future climate projections to comprehend the evolving nature of the risks involved.
Furthermore, it is crucial to identify the specific vulnerabilities of buildings and essential facilities, such as their age, design, location, and materials used in their construction. The consequences of extreme events should be assessed, including direct damage, service disruptions, economic losses, and impacts on human health and safety.
This assessment will guide the development of appropriate adaptation strategies and mitigation measures.
Risk Reduction
The second pillar focuses on risk reduction strategies. This involves implementing measures to reduce the potential impacts of extreme weather events and minimize damage to property or injury to people. This can include a variety of approaches, such as:
· Physical Design and Construction: This involves designing and constructing buildings to withstand extreme weather events. This may involve using resilient materials, elevating structures, reinforcing foundations, and incorporating features such as floodwalls or green design elements to manage water runoff.
· For example, buildings can be designed to withstand high winds and heavy rainfall, and transportation systems can be designed to be more resistant to flooding and storm surges.
· Operational Measures: This involves implementing operational procedures to reduce risk. This may include early warning systems, evacuation plans, and emergency response protocols. For example, early warning systems can provide advance notice of impending extreme weather events, allowing for timely evacuation and preparation.
· Natural Systems: Utilizing natural systems to reduce risk includes protecting and restoring natural features, such as wetlands, forests, and coastal ecosystems, which can act as buffers against extreme weather events. For example, wetlands can absorb floodwaters, and forests can reduce the risk of landslides.
· Land Use Planning: This involves making informed decisions about where and how to build homes, public facilities and sustaining physical plants to avoid construction in high-risk areas, such as floodplains or coastal zones. It may also involve implementing tougher building codes and zoning regulations that promote resilient design and construction.
Financial Viability
The third pillar is financial viability. This involves ensuring that the costs of designing, constructing, and maintaining resilient structures are financially sustainable.
This includes considering the upfront costs of resilient design and construction, as well as the long-term costs of maintenance and operation. It also involves exploring different financing mechanisms, such as public funding, private investment, and preserving insurability, to support resilient projects and accelerate recovery from disasters.
Furthermore, it is essential to consider the economic benefits of resilient construction, including reduced damage costs, improved service continuity, and increased economic activity. This pillar also involves assessing the cost-effectiveness of different risk reduction measures and prioritizing investments that provide the most significant benefits.
Ultimately, financial viability ensures that resilient projects are economically feasible and can be sustained over the long term.
In summary, there is no failsafe remedy for predicting and mitigating the impacts of natural or other disasters. But preparations involving the three pillars of resiliency can help us ro avoid the often heartbreaking consequences of such events.
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The Pacific Northwest Building Resilience Coalition (PNBRC) has been collaborating with the Pacific Northwest Economic Region (PNWER) to foster economic growth by facilitating secure trade and reliable transportation, which are essential for the region.
PNBRC will be an active partner in the upcoming PNWER Summit, in Bellevue, Washington, in July 2025, to launch a new PNWER Working Group focused on Designing for Resilience.
