Shangri-La Industries recently debuted Hangar 25, the world’s first LEED Platinum aircraft hangar. The hangar, located in Burbank, CA,  is complete with a solar array that produces 110% of the building’s needs, water-based hi-fog fire suppression system, plumbing that reduces water use by 60%, and sustainable landscaping. For more info, check out the video below.

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The project obtaining the most LEED points (for new construction) has, until recently, been the Aldo Leopold Legacy Center in Wisconsin, which received 61 points. But last week, Phase I of the Dockside Green development in Victoria, British Columbia, set a new point record. (Green Building Elements first covered the Dockside Green project in February.)

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This past weekend I had the pleasure of spending nearly all of my waking hours at his campaign headquarters, the Chesapeake Bay Foundation’s Merrill Center. It is one of only about 50 Leed Platinum Certified buildings in the world. Unlike certain former presidential candidates who talk green and act a bit differently, Captain Smith apparently practices as well as he preaches.

The Merrill Center’s entrance road is lined with “Vote John Smith for President” signs, there are banners hanging in the soaring lobby, and one of the campaign volunteers offered me brochures, buttons, and a tee shirt. I am wearing the tee shirt as I write, but it is really early in the morning so I am sure I do not want to share that visual with the world.

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In 2000, Gerding Edlen Development selected GBD Architects to renovate 5 blocks of historic brewery buildings located in a former industrial area of Portland, Oregon known as the Pearl District. The success of the Brewery Blocks project sparked a rebirth of the neighborhood; in 2005, The Sierra Club recognized the Pearl District as one of the nation’s best neighborhood redevelopment projects. Since that time, the district has continued to thrive; Gerding Eldlen’s latest building in the Pearl District, also designed by GBD Architects, is a 16-story condominium tower known as The Casey.

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As part of their Earth Day coverage, NPR’s All Things Considered  took a look at a LEED Platinum home renovation in Washington DC.  Peter Yost from the green building resource BuildingGreen helped to explain some of the possibly unfamiliar green building terms and explained how the elements of this renovation contributed to its being one of the greenest homes in the country.

While building tours on the radio can’t show pictures, the NPR website has several accompanying pictures along with the story and an interactive kitchen tour with more information about the project.

image: NPR 

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The city of Greensburg KS was nearly obliterated by an F5 tornado in May 2007. But turning the devestation into an opportunity, the city is looking to make its mark by rebuilding as a green community. The city has mandated that all city buildings larger than 4,000 sq. ft. must be built to LEED-Platinum level and must have an energy performance level at least 42% better than current building code requirements.

“The city of Greensburg has taken the extraordinary step of committing to rebuild their community to a new vision, not settling for simply recreating what had gone before,” said Rick Fedrizzi, President, CEO & Founding Chair, U.S. Green Building Council. “By committing to a recovery plan based on green building, the community’s leadership has set a path that will result in a healthier, more livable city for its citizens, turning a crisis into an opportunity that is an example for us all.”

After a disaster, it is difficult to take the time and effort to try to build something better than what had been present before. This mandate only applies to city buildings. But hopefully, the wider city itself will embrace this direction, and not only will city buildings, but the stores, offices, homes, and other buildings will likewise be built better, and greener, than what they are replacing.

"Since 1978, the Center for Neighborhood Technology (CNT) has worked to show urban communities locally and all across the country how to develop more sustainably. With smarts, creativity and innovation, and before the term sustainable development was even widely used, CNT has been demonstrating its unique brand of sustainable development: development that is good for the economy and the environment; makes better use of existing resources and community assets; and improves the health of natural systems and the wealth of people—today and in the future."

Pairing such an organization with a building at the cutting edge of sustainability is a natural combination. Re-use of an existing building, rather than building a new facility is an excellent sustainable step, and a vital element in this green project.

Image Source: Center for Neighborhood TechnologyThe CNT building website offers an excellent overview of the number of steps taken to get the building LEED certified. The Green Building Renovation Virtual Tour highlights sustainable features in six categories: Site, Energy, Water, Materials, Light & Air, and Innovation. The building has many of the usual and familiar steps in green building: renewable carpet, salvaged material use, and construction waste recycling, large skylights, operable windows, low VOC finishes, low-flow fixtures, efficient appliances, and rooftop photovoltaic solar panels.
Image Credit: Center for Neighborhood Technology
Some of the more uncommon features include a "cooling garden" with trees to shade the building and reduce the need for summertime cooling. The building also has a minimum number of parking spaces (and a permeable surface parking lot) and abundant bicycle storage space and shower facilities to encourage bike commuters.

Photo Credit: Center for Neighborhood TechnologyAn ice ball thermal storage system is probably the most radical and interesting ideas in the building. The insulated tank (pictured, before installation) is buried underground next to the building. "In an underground tank, water-filled balls are frozen at night, using off-peak, lower cost energy. During higher-cost hours, a food-grade, glycol-based fluid transfers the chill from the ice balls to the building's cooling system." Because of the increased energy loads in office spaces as compared to single-family homes, in many cases cooling is needed much more than heating. Making ice during off-peak hours to be able to run the cooling system when it is needed during the day is a great way to use energy more efficiently. Burying the tank in the ground is an excellent step to further improve its efficiency by taking advantage of the steady earth temperatures which are found underground.

Building Information:
Location: Chicago IL
Architect: Jonathan Boyer (Farr Associates)
LEED-NC 2.0 Commercial Office, Platinum Rating

Links:
Center for Neighborhood Technology
CNT Virtual Tour

via: GreenBean

Daylighting is a key to the building's design. The building is organized around a central atrium that makes the building incredibly open. All regularly occupied spaces in the building have views to the outside, and more than 75 percent of the "work spaces where critical tasks are performed" are naturally lit. The building supplements the skylights with heliostats, sun-tracking mirrors, which bring more daylight into the building throughout the day, especially in the winter when the sun is lower in the sky. A "chandelier" of mirrored panels is both a sculptural installation in the atrium and a functional element to diffuse sunlight throughout the building. The atrium also has a number of balconies with extensive plantings which project into the space at various levels, creating pleasant spaces with an almost outdoors feel.

Indoor air quality is also an important element in this building. Almost a third of the building is behind a two-layer window system that creates a thermal buffer between the building and the exterior, much like a very deep storm window. In summer, this space is ventilated to keep solar gain from building heat inside the building, while in winter this heat is captured and helps keep the building warm. Storage rooms for chemicals have a separate ventilation system, so that any fumes are not intermingled with building air. There are also operable windows on every floor, along with sensors that shut down the building HVAC to those spaces when the windows are open.All of these features do more than just make a pretty building. Natural lighting shows up on a balance sheet in the form of lower electrical bills for lighting. But outdoor views don't translate so immediately to a financial benefit, though there can be attempts to measure how it helps. A green building also makes a positive contribution to the wellbeing of its inhabitants.

The greening process in our design makes good sense all around. First, it offers direct operating savings. There is also a growing body of evidence that supports the theory that high-performance buildings are beneficial to employee health and productivity. While these costs and benefits are still in development, the potential for savings is significant. One report indicates that annual personnel costs vary from $300 to $500 per square foot. Therefore, a 1% increase in efficiency could be worth $3 to $5 per square foot. For Genzyme, this could average $1,040,000 per year in personnel efficiency alone. (USGBC)

Being in a LEED Platinum building has had positive benefits for Genzyme. Since moving into the building, the company has performed a number of studies and surveys of its employees to investigate this. Genzyme has found that their employees who work in the Genzyme Center had a 5% lower sick time rate than employees in their other Masachusetts facilities. That's the kind of real benefit that business types like to see to justify the added investment in building a green building. A more recent survey about the productivity of employees who work in the building found very positive impressions overall from the people who regularly work in the building.

"88% said having direct views and access to the interior gardens improved their sense of well being." "72% said they feel more alert and productive as a result of the lighting features in the building" "58% said having the ability to control the temperature of their workspace improved the quality of their work environment"

Genzyme is not taking this as a once-and-done PR step. Other facilities that Genzyme is creating are also following LEED (though not necessarily all to Platinum level). Rick Mattila, Genzyme Director of Environmental Affairs, told me "[W]e are seeking LEED certification for a fit-out of office space in a building adjacent to Genzyme Center in Cambridge. We did not construct this building. We simply leased it and converted it for our use. We have tried to apply what we have learned in constructing Genzyme Center to all facilities projects." This is the kind of lesson that LEED tries to pass along. The benefits of building greener are wide ranging. A green building is better for both the building owner, who gains financial benefits from the improved efficiencies, and for the building's inhabitants, who are happier and healthier and more productive.

The Genzyme Center building has received numerous awards, including an AIA/COTE Top Ten Green Project in 2004, and a RIBA Worldwide Award in 2005.

Building Information:Size: 344,000 sq ftLocation: Cambridge MALead design: Behnisch, Behnisch & Partner Architect, Venice CA. LEED-NC 2.0 Commercial Office, Platinum Rating

Sources:USGBC LEED Case StudyGenzyme Center Virtual Tour

Thanks to Jasmine Chng for providing Genzyme contacts and information