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Skyscraper Sunday: LEED Platinum Banner Bank Building

Banner Bank Building

Well actually, it’s more of a mid-rise, but 11 stories in Boise is about as skyscraper as it gets.  According to Gary Christensen, Christensen Corporation owner and Banner Bank Building developer, "we created a beautiful, high-performance building that’s good for the environment.  And it didn’t cost us any more to do it."  Specifically, the 195,000 sf, $25 million building was built to spec (ulation), so the ability to strike market-competitive lease deals was paramount on the project.  Also, on July 27, 2006, Banner Bank Building received the coveted LEED-CS Platinum certification, earning 49 out of a possible 62 points in the Core and Shell Development system.  In tangible savings, the building uses 65% less energy and 80% less water. 

The following is a list of some of the many green features built into the Banner Bank Building:  proximately situated near public transportation access; indoor bicycle storage and individual shower rooms; drought tolerant vegetation and automated irrigation system with motion sensors; state-of-the-art water reclamation system and conserving water fixtures, systems, and mechanical equipment; geothermal heat system and underfloor air distribution HVAC; 75%+ construction waste was separated, collected, and recycled; the building was constructed using locally sourced materials and 40%+ recycled content materials; zero- to low-VOC indoor finish materials; dimmable energy-efficient lighting; and a biodiesel fuel-powered backup generator. 

Extra Links:
+USGBC Project Profile LEED Facts
+HDR Project Summary Page
+Better Bricks Interview with Gary Christensen

Skyscraper Sunday: 1180 Peachtree, One Symphony Center

Symphony_main_1 The subject of this week’s Skyscraper Sunday is the striking 1180 Peachtree in Atlanta, Georgia.  Designed by Pickard Chilton Architects, 1180 Peachtree rises 41-stories with a 119-foot lighted veil at the top.  It was also one of the first offices nationally to receive LEED-CS Silver pre-certification for its use of recycled materials, encouragement of alternative transportation, minimization of environmental impact by sourcing materials locally, and attention to using no- or low-VOC adhesives, sealants, and carpets.  Developed by Hines, the building has vegetation on the roof to absorb rainwater, store it in underground storage, and use for landscaping (eliminating the need for city water).  With about 670,000 sf of office + 35,000 sf of retail, this building is a gem in the Atlanta market.  In the middle of 2006, the local real estate community did a double take when 1180 Peachtree sold for $400 per sf.  Some people said this was part of a trend (good office market in Atlanta, lots of capital, etc.), but I think the selling price was a reflection of the excellence of the property.  It’s a flagship, a trophy property, a green property.  Green properties are (1) new, (2) well-designed, (3) easy to lease, and (4) fit well with all companies.  It’s not hard to sell an amazing, great-looking, stabilized asset with low vacancy. 

Bahrain WTC, 3 Building Integrated Wind Turbines (S2)

Bahrain_wtc_turbines Recently, in the Week in Review, I blogged about these twin skyscrapers becoming the world’s first commercial development to include large-scale wind turbines in its structure.  As you can see from the pictures, Bahrain WTC towers have three, 32-yard diameter propellers that supply about 11-15 % of the buildings’ energy needs, or about 1100 to 1300 megawatts per year.  The shape of the towers create an airflow tunnel through the buildings for improved energy generation output and each turbine will be suspended on a bridge connecting the buildings.  According to BWTC designer Shaun Killa, solar panels available at the time of construction lost their efficiency due to the high Bahrain temperatures, so wind technology was the better choice for renewable supply.  The turbines will be tested throughout the year and the building will open for business later in 2007. 

The dueling towers are 50 stories each, with 34 floors of office space.  When complete, the entire complex will include a shopping mall, including about 150-200 luxury brand retail sites, and a 5-star Sheraton hotel.  In addition to having SMART features that include high-tech security and IT infrastructure, the building will use an environmentally friendly water cooling system.  Via GE Eco-Business

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Sky House, St. Louis Eco-Friendly, Mixed-Use Tower (S2)

Sky House St. Louis

A Fresh Perspective on Urban Living.
  Looks like we’re starting to see teasers for the newest, hottest address in downtown St. Louis: 1400 Washington.  With pre-sales beginning in May 2007, Sky House will be a 22-story building with 166 units of residential and 13,000 sf of street-level retail.  The residential units will be about 850 to 2,230 sf (1-3 bedrooms), with prices starting in the mid-$200,000.  Sky House will be built to LEED standards and have Energy Star stainless steel appliances, a green roof, energy-efficient window systems and balcony doors, and computer-controlled, energy-efficient heating and cooling systems.

Residents will also have access to the Sky Club on the 19th floor.  The Sky Club level includes a pool, hot tub, fitness center, green space, and a dog run.  The importance of the dog run can’t be understated either.  With a dog run, there’s less of a reason for vertical living to be at odds with dog lovers.  The project is developed by Chicago-based Metropolitan Development Enterprises and constructed by RileyWaldrop.  Looking good. 

Extra Links:
Eco-Friendly, Mixed-Use Tower to Rise in St. Louis [BDC Network]
SkyscraperPage Forums + Urban St. Louis Forums

::"S2" is short for "Skyscraper Sunday," a weekly article on green skyscrapers posted every Sunday::

One Bryant Park, Greenest Skyscraper in the World? (S2)

One Bryant Park Rendering

If you’re going to office in what looks to be the greenest skyscraper in the country, you should also have a sustainable business strategy to go along with it.  One Bryant Park, soon to be known as the Bank of America Tower, is the perfect place for a company that just announced a $20B initiative to support environmental lending.  Designed by Cook + Fox Architects and developed by the Durst Organization, One Bryant Park is shooting for LEED Platinum certification.  It’s a 2.1 million sf, 54-story, crystalline office tower located right in midtown Manhattan and is slated for completion in 2008. 

ABC News recently ran an article on some of the more interesting green features of the building.  Interestingly, it will only cost about 1-2% extra (of a total $1.2B) to include all the green additions, but those are expected to be paid for within a 2-4 year window as a result of saved energy expenses.  That’s the business case for green building.  There will be rainwater capture, floor-to-ceiling windows for natural lighting, advanced double wall technology to allow light and block heat, air cleaned of 95% of its particle matter, a floor duct air system controllable in each room or office, three state-of-the-art natural gas fuel cells to create on-site energy, building concrete made of 45% blast furnace slag for stronger construction, and daylight dimming and LED lights for reduced electric usage.  The result:  these green additions have the anticipated benefits of reducing energy consumption by 50%, reducing potable water consumption by 50%, reducing storm water contribution by 95%, and using about 50% recycled materials in construction.  That’s a lighter footprint. 

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LEED Silver Brickell Financial Centre (S2)

Miami_brickell_financial_centre_1 This is probably the quote of the year for a real estate developer: "I didn’t want a building that in 10 years would have to compete with all the new buildings that are LEED certified."  That’s what Loretta Cockrum, chairman and CEO of Foram Group, said in regards to her new LEED-CS Silver pre-certified project.  The $245 million, 1.5 million sf green project known as Brickell Financial Centre breaks ground in April and is set for completion in fall 2009. The first phase will consist of 600,000 square feet in a 40-story tower, the first floor for lobby and retail space and the second 11 for parking, topped by 28 floors of class-A office space. The second tower, rising 68 stories, will include retail and office space, and a 300-room hotel.  Lead architect RTKL will also have the help of Sasaki for the 30,000 square foot public plaza space, which is supposed to rival New York’s Rockefeller Plaza in scale. 

Green Features:
Like most LEED projects, there’s a slew of green features, so I’m just going to lay some of them out:  low-emissivity window glass covering to allow natural light and block solar heat; chilled water cooling system; low-flow and dual-flush toilets to cut down on potable-water use; storm water cisterns for irrigation; extensive use of low- or no-VOC paints, sealants, and adhesives throughout the building; and special storage facilities for people that bike to work.  As for construction materials, Foram Group will use materials that have a high percentage of recycled content and are sourced within a 500 mile radius. 

Extra Sources:
$245M Two-Tower Office, Hotel "Green" Project Planned in Miami [CPN]
A Fine Business Environment: Money Isn’t All that Will Be Green at Miami’s New Financial Center [Newsweek]

::"S2" is short for "Skyscraper Sunday," a weekly article on green skyscrapers posted every Sunday::

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