Gallery: San Francisco’s Greenest Office Building Tops Off!

The start-then-stop history of the project turned out to be a blessing in disguise. The building was originally designed to be a typical office next to city hall, however after the first halt in construction Mayor Gavin Newsom asked for a greener project.

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  1. gphelan June 27, 2012 at 9:16 pm

    I’d just like to inject my two cents about Tipping Mar’s contributions to the project’s sustainability features, which includes resilience–a very important factor in a project’s longevity and service potential–and green concrete mixes, to dramatically lower GHG emissions. As the seismic consultant to SFPUC, Tipping Mar implemented our extremely cost-effective innovative post-tensioned lateral system that returns a building to plumb after a seismic event–this means no permanent deformations after a very large earthquake, the kind that render a building uninhabitable until it is repaired, often to the tune of millions of dollars. In addition, our design solution (1) added a thirteenth story to an originally 12-story building owing to lowered floor-to-ceiling heights (equating to higher density, not to mention greater usable real estate); (2) trimmed the construction schedule owing to our optimized link-beam design that, in conjunction with our PT lateral system, reduced steel reinforcement by 50 percent; (3) saved the project $10 million in direct costs; and (4) decreased the project’s carbon footprint by 7.4 million pounds of carbon dioxide emissions, owing to Tipping Mar’s work with Central Concrete to design six different low-concrete specs used throughout the building.

    For in-depth information, read Engineering News Record’s cover feature on Tipping Mar and SFPUC:

  2. suzettewr July 27, 2011 at 5:08 pm

    Check out some existing buildings that are cutting energy. Today, the U.S. Environmental Protection Agency’s (EPA) ENERGY STAR program marked the midpoint of its 2011 National Building Competition: Battle of the Buildings. In the first six months of the competition alone, the competitors together have saved more than $3.7 million on utility bills and prevented 18,500 metric tons of CO2 emissions – that’s equal to the electricity used by 2,300 homes annually.

    Teams from 245 buildings around the country are going head-to-head in this year’s ENERGY STAR National Building Competition to see who can reduce their energy use the most. The building with the largest percentage reduction in energy use, adjusted for weather and the size of the building, will be recognized as the winner in November.

    Today EPA announced the Top Contenders for each of twelve building categories, including Boston’s Colonnade Hotel, the First Unitarian Society of Minneapolis, Office Depot in Plano, Texas, and a parking garage at the University of Central Florida.

    There’s a lot we can all do in our own workplaces, as well. Actor John Corbett, the 2011 ENERGY STAR National Building Competition spokesperson, offers some tips in a new video posted today on the ENERGY STAR site

    ENERGY STAR was started by EPA in 1992 as a market-based partnership to reduce greenhouse gas emissions through energy efficiency. Today, the ENERGY STAR label can be found on commercial and industrial buildings as well as new homes and more than 60 different kinds of products that meet strict energy-efficiency specifications set by EPA. Last year alone, Americans, with the help of ENERGY STAR, saved about $18 billion on their energy bills while preventing greenhouse gas emissions equivalent to the annual emissions of 33 million vehicles.

    For a list of National Building Competition Top Contenders and complete midpoint results for all competitors:

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