The Bullitt Center, Seattle, United States
The Bullitt Center, located in Seattle, Washington, is a six-story commercial office building widely recognized for its commitment to sustainability and innovative design. Here’s a comprehensive overview of its sustainable features and achievements, particularly focusing on its Living Building Challenge certification:
Overview
- Name: The Bullitt Center
- Location: Seattle, Washington, United States
- Completion Date: April 22, 2013
- Size: Approximately 52,000 square feet
- Architect: Miller Hull Partnership
- Owner: Bullitt Foundation
Living Building Challenge Certification
The Bullitt Center achieved the Living Building Challenge (LBC) certification in April 2015, a testament to its sustainability. The LBC is considered one of the most rigorous sustainability standards globally, encompassing performance criteria over a one-year period across seven "petals" or categories: Place, Water, Energy, Health and Happiness, Materials, Equity, and Beauty.
Sustainable Features
Energy
- Net Zero Energy: The building generates as much energy as it consumes annually through an extensive solar panel array on the roof, comprising 575 photovoltaic panels. The system generates approximately 230,000 kWh of electricity per year.
- Daylighting: Designed to maximize natural light, reducing the need for artificial lighting. Large windows and skylights allow daylight to penetrate deep into the building.
- Energy Efficiency: High-performance building envelope with triple-glazed windows and superior insulation. Energy-efficient HVAC systems and lighting fixtures are used throughout the building.
Water
- Net Zero Water: The Bullitt Center collects and treats rainwater for all its water needs, including potable water. The building has a 56,000-gallon cistern to store rainwater.
- Wastewater Treatment: Uses composting toilets and a greywater system to treat and recycle wastewater on-site. The greywater is used for irrigation and toilet flushing.
Materials
- Red List Free: The building is constructed without materials that contain Red List chemicals, which are harmful to human health and the environment.
- Local Sourcing: Materials were sourced locally whenever possible to reduce the building's carbon footprint and support the local economy.
Place
- Urban Infill: Located in an urban area with access to public transportation, reducing the need for car travel and promoting walkability and cycling.
- Green Space: Includes green roofs and terraces that provide habitat for local flora and fauna and improve urban biodiversity.
Health and Happiness
- Indoor Air Quality: High standards for indoor air quality, including natural ventilation and the use of non-toxic materials, enhance occupant health and comfort.
- Biophilic Design: Incorporates elements of nature in the building's design, such as natural materials, views of the outdoors, and indoor plants, promoting well-being and productivity.
Equity
- Accessibility: Designed to be accessible to all, including features that accommodate individuals with disabilities.
- Community Engagement: Spaces designed to foster community interaction and engagement, such as public meeting rooms and educational tours.
Beauty
- Aesthetic Appeal: The design integrates aesthetic elements that are intended to inspire and educate visitors about sustainability.
- Educational Resource: The Bullitt Center serves as a model for sustainable building practices and hosts numerous tours and educational events.
Impact and Recognition
- Performance Monitoring: The building's performance is continuously monitored to ensure it meets the LBC standards and provides valuable data for future projects.
- Awards and Recognition: The Bullitt Center has received numerous awards and accolades for its innovative design and sustainability, serving as a model for future green building projects worldwide.
Conclusion
The Bullitt Center stands as a pioneering example of sustainable architecture, demonstrating that buildings can be environmentally responsible, economically viable, and aesthetically pleasing. Its achievement of the Living Building Challenge certification highlights its commitment to the highest standards of sustainability, influencing future developments in the industry.