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Skyscraper Sunday: LEED Gold Connecting Old + New (Seattle)

Fifth_and_madison Boc_north_face

I came across an interesting statistic (which will be obsolete in no time) about LEED certified office buildings.  There are about 669 LEED certified office buildings, and of that number, only 38 are remodels.  Why?  When you have a building that’s occupied, how are you going do a green renovation without losing rents?  Here’s one way.  The former Union Bank of California Center, the 41-story, 34-year-old building owned by Beacon Capital Partners, is looking to be one of the few LEED-Existing Building (EB) certified structure in the United States.  Because most of the leases are due to expire over the next five years, the company will be able to renovate as space opens up.  They’ll shift tenants around until the building is complete.   

This is about a $36 million remodel job.  Green amenities will include the following:  shaved columns for added light; automated artificial lights; recycled and recyclable carpet; no- or low-VOC paints; recycled metal in ceilings; new insulation in walls that were uninsulated; new high-efficiency heating and cooling systems; water-efficient bathroom fixtures; and runoff water landscaping. 

Additionally, BCP started construction next door on a new, 24-story, 126-unit green condo tower at Fifth Avenue and Madison Street.  The new building will be complete in 2008.  BCP officials said they are seeking LEED Gold for both buildings.  I must say that will be a powerful juxtaposition of the old and new:  both environmental leaders in their own way (EB + NC).  Via Seattle Post-Intelligencer + Emporis.

Skyscraper Sunday: The Modern + Green Skyscraper Movement

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[Runtime = 4:13 min.]  I wanted to include this video within my post, but E&ETV disabled the embed function, so head over to Youtube this jolly Christmas eve to watch a good primer on green skysrapers.  With modern skyscrapers, everyone is focused on sustainable, energy-efficient structures.  These days, most skyscraper design integrates LEED, as an overlay to the rest of the design process.  The video narrative goes through some of the most popular green skyscrapers, such as World Trade Center Complex, Hearst Tower, and Bank of America Tower.   

Skyscraper Sunday: City of Arabia's "Green" Times Residences

City_of_arabia_times_residences_1 Dubai has money like no other place I’ve ever seen.  They’re working to beat Taipei 101, so they can have the tallest building in the world.  Now, they’ve announced this building called Times Residences, which is aiming to be the only rotating residential structure in the world.  Solar energy will be stored and used to rotate the 80,000 ton, 30-floor structure, 52 degrees every 24 hours.  The project will cost about $109M/Dh400.  Construction is slated to begin June 2007 and end in the first quarter of 2009.  Units will range in size from 1-5 bedrooms and everything will be up-scale + luxurious.  The project was designed by Glenn Howells Architects + Palmer and Turner

In total, there will be 200 residences and everyone will have a 360 degree view due to the solar- powered rotation.  Apparently, one will also be able to tell time by the way the building is lined up, etc.  Although prices for the residences have not been released, sales are expected to begin in March 2007.  What’s more, the developer, Dubai Property Ring, plans to build 23 more rotating towers in each of the world’s time zones.  Whether the building actually gets built is another story.  And although the company states the technology will allow the building to rotate 5 mm/second using a mere 21 electric kettles’ worth of electricity, I’m thinking there must be a better use for all that solar powerWhat do you think?  Via ecofriend.

Extra Links:
Rotating Tower to be Solar-Powered [Gulf News]
Dubai to Get ‘World’s First Turning Tower’ [Middle East Times]
Dubai Plans First Rotating Skyscraper [USA Today]

S2: Charlotte's Green Wachovia Tower by TVS Architects

Wachovia_tower_2_1 Here on Jetson Green, there’s a tradition where I focus on a green skyscraper of notable interest.  This weekly column is called Skyscraper Sunday (click to see archives).  Last week, TVS Architects unveiled the design of what will be Charlotte’s second tallest building, the Wachovia Tower.  It will be 48 stories, 800 feet tall, and have 1.5 million square feet of space, and Wachovia will eat up about half of the building in what seems to be long-term lease commitment.  The word is, owners of the building will be seeking USGBC certification (not sure what level) and will include features such as recycled rainwater and a greenroof, obviously among many other green features.  While there’s not much information on the project just yet, news reports suggest that the price tag will be about $880 million (seem a little high?).  Via Hugg + Forex.

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

Skyscraper Sunday: 1800 Larimer LEED Silver Office Tower (Denver)

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Apparently, the mid-1980s was the last time a new high rise office building was built in Denver, Colorado.  We know what happened then and why skyscraper construction halted (hint: construction loans/S+L Crisis); knock on wood…S+L 2.0??  Recently, Westfield Development announced plans to build the most energy efficient high rise in downtown Denver, 1800 Larimer–actually, it’s a $150 million, 22 story, 500,000 square foot, energy-efficient, proposed LEED Silver tower.  Westfield Development President Rich McClintock said, "if it is not a sustainable building, it is outdated."  I couldn’t agree more. 

This LoDo area building was designed by Denver-based RNL Design.  Some of the features include the following:  subfloor air distribution system; 9-foot, 6-inch floor-to-ceiling windows; state-of-the-art health club for tenants; a half-acre terrace parklike environment 20 feet off the ground; tenant controlled temperature system; blue + gray glass facade; trees in the lobby; and a 30-foot high "wall of water" inside the lobby.  I’m excited that new construction is going green, but I will say that Denver is working hard to make the right choices.  This green building is, after all, only a small kog in the greater machine initiated by Denver’s Mayor Hickenlooper called Greenprint Denver

I keep saying this, but the smartest cities are also the greenest:  San Francisco, Portland, Denver, Austin, Chicago, and a trailing Salt Lake City.  The human capital + brain power of these cities is really mind-boggling, so where are you going to live?  Via RMN

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UPDATE:  According to the global votes of over 100,000 people, Mayor Hickenlooper was ranked #9 in a survey of best mayors in the world that have made long-lasting contributions to their cities.  Only one other US mayor made the list.

Bioclimatic Design, Menara Mesiniaga + Ken Yeang (S2)

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I’ve had people ask me why I haven’t mentioned the Menara Mesiniaga, designed by architect Ken Yeang, in Subang Jaya Selangor, Malaysia.  Well…the building was modern + famous when it was finished in the ’90s, and it’s still modern + famous.  I don’t really know if I can do any justice trying to describe the structure, but I’ll direct you to some more detailed information on the building, in case you’re interested in studying bioclimatic skyscraper design and the like.  The Menara Mesiniaga, often referred to as the IBM building, is owned by Mesiniaga, a Malaysian public company in the IT sector that is somehow connected to IBM.  The 15 floor, 207 foot, intelligent building was finished in 1992, and interestingly, property values of the land around the building have flourished. 

Iaa0296 Excluding the costs of land acquisition, Menara Mesiniaga was constructed at a cost of roughly $8.9 M (USD).  The building design reduces long-term maintenance costs and lowers energy use.  On the north + south facades, curtain wall glazing minimizes solar gain.  On the east + west facades, aluminum fins and louvers provide sun shading.  All the office floor terraces have sliding doors that allow the occupants to control natural ventilation.  The trussed steel + aluminum sunroof also incorporates solar panels that power the building.  Some other features include the skycourt, vertical landscaping, and naturally ventilated core.  The Menara Mesiniaga is the epitome of building design that reflects climate characteristics specific to the location of the building. 

Good Links:
++Ken Yeang’s Book: Bioclimatic Skyscrapers [Online version]
++Aga Kahn Award for Architecture

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

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