Photo: Spaulding Rehabilitation Center in Charlestown, Massachusetts.
Resilient Design

Resilience is the capacity to adapt to changing conditions and to maintain or regain functionality and vitality in the face of stress or disturbance. It is the capacity to bounce back after a disturbance or interruption.

Start the conversation

Begin with the 10 Resilient Design Principles, outlined below by Alex Wilson, founder of BuildingGreen and the Resilient Design Institute.

Go deeper

For a detailed introduction, read The Four Core Issues to Tackle for Resilient Design (And the Programs that Can Help).

The 10 Resilient Design Principles

Source: Resilient Design Institute

Resilience transcends scales

Strategies to address resilience apply at scales of individual buildings, communities, and larger regional and ecosystem scales; they also apply at different time scales—from immediate to long-term.

Resilient systems provide for basic human needs

These include potable water, sanitation, energy, livable conditions (temperature and humidity), lighting, safe air, occupant health, and food; these should be equitably distributed.

Diverse and redundant systems are inherently more resilient

More diverse communities, ecosystems, economies, and social systems are better able to respond to interruptions or change, making them inherently more resilient. While sometimes in conflict with efficiency and green building priorities, redundant systems for such needs as electricity, water, and transportation, improve resilience.

Simple, passive, and flexible systems are more resilient

Passive or manual-override systems are more resilient than complex solutions that can break down and require ongoing maintenance. Flexible solutions are able to adapt to changing conditions both in the short- and long-term.

Durability strengthens resilience

Strategies that increase durability enhance resilience. Durability involves not only building practices, but also building design (beautiful buildings will be maintained and last longer), infrastructure, and ecosystems.

Locally available, renewable, or reclaimed resources are more resilient

Reliance on abundant local resources, such as solar energy, annually replenished groundwater, and local food provides greater resilience than dependence on nonrenewable resources or resources from far away.

Resilience anticipates interruptions and a dynamic future

Adaptation to a changing climate with higher temperatures, more intense storms, sea level rise, flooding, drought, and wildfire is a growing necessity, while non-climate-related natural disasters, such as earthquakes and solar flares, and anthropogenic actions like terrorism and cyberterrorism, also call for resilient design. Responding to change is an opportunity for a wide range of system improvements.

Find and promote resilience in nature

Natural systems have evolved to achieve resilience; we can enhance resilience by relying on and applying lessons from nature. Strategies that protect the natural environment enhance resilience for all living systems

Social equity and community contribute to resilience

Strong, culturally diverse communities in which people know, respect, and care for each other will fare better during times of stress or disturbance. Social aspects of resilience can be as important as physical responses.

Resilience is not absolute

Recognize that incremental steps can be taken and that total resilience in the face of all situations is not possible. Implement what is feasible in the short term and work to achieve greater resilience in stages.

THE ESSENTIAL TOPICS

6 New Street, completed in 2016, obtained an insurance quote ten times lower than that of a comparable conventional building because of the site-specific resilience features it incorporates.

Image: Stantec
The Big Picture

Think you’re designing a 100-year building? Not if a 100-year storm destroys it next year. In this section, you will:

  • gather lessons learned from case studies of the very first resilient design projects
  • understand how your green building expertise already overlaps with resilience
  • find out how to assess the region-specific risks your project faces as a result of climate change

Once you complete your own resilience assessment, you can develop strategies to design for building “hardening,” food security, passive survivability, and program flexibility to accommodate community support functions.

The Gary C. Comer Geochemistry Building at Columbia University features natural ventilation in its office wing; Payette designers took advantage of natural shading from existing trees to keep the building cooler.

Photo © Peter Vanderwarker
Passive Survivability

“Passive survivability” is a building’s ability to maintain critical life-support conditions if services such as power, heating fuel, or water are lost. While passive survivability features can be incorporated into virtually any building, these features are most important for buildings that are lived in or likely to be used as emergency shelters:

  • houses
  • apartment buildings
  • schools
  • hospitals
  • emergency-service buildings
  • government buildings

The strategies differ somewhat by building type; the need for a high-performance building envelope, for example, is greater in smaller buildings that are skin-dominated than it is in large, load-dominated buildings. Some strategies for passive survivability can be found by looking back at our building heritage—vernacular designs that were in place before electricity and readily transportable fuels became available.

HOK’s design for Project Haiti, an orphanage built by the USGBC in the wake of the devastating 2010 earthquake there, uses resilient design elements—like a structural system made robust by branching elements inspired by nature, as well as rainwater catchment and onsite renewable energy.

Image: HOK
Energy and Water

Extended utility disruptions are common after big storms and other disasters. Ensuring that a site can meet occupants’ basic needs for energy and water is an essential part of resilient design. These resources help support design for net-zero energy and net-zero water.

Learn about why safety rules about drinking water are so strict, how important it is to think at a community scale for net-zero energy, and approaches to product selection for energy and water needs.

The Bell Museum and Planetarium at the University of Minnesota was designed to handle a 1,000-year rain event.

Image: Perkins+Will
Floodproofing

There’s a lot more to floodproofing than sump pumps. First, do you really want to prevent flooding, or do you actually want to let the water in (known as wet floodproofing)? How much do you know about base flood elevations vs. design flood elevations?

These resources will help get you started on one of the most basic resilient design strategies: keeping water from damaging buildings, thus reducing their risk from storms and other flood sources.

The Southeast Louisiana Veterans Health Care System’s “upside-down” design means that the systems that connect the hospital to the city grid are on the fourth level, well away from flooding.

Image: NBBJ
Design Case Studies

The best approaches to resilient design depend on the dangers a building faces. First, you need to conduct a risk assessment to determine the most likely scenarios. Then the planning begins. These resources can help support that planning, with case studies and project profiles on buildings at risk from floods, ice and snow, fire, heat waves, and more.

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