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Genzyme Center Case Study AIA COTE Green Top Ten

Genzyme Center was chosen as an AIA Top Ten Green Project for 2004. Designed by Behnisch, Behnisch & Partner, it achieved a LEED Platinum rating for its innovative green building features such as a high-performance curtainwall glazing system with operable windows on all 12 floors. More than 32 percent of the exterior envelope is a ventilated double-facade that blocks solar gains in summer and captures solar gains in the winter. Steam from a nearby power plant is used for central heating and cooling. The building's central atrium acts as a huge return air duct and light shaft. Fresh air moves into the atrium and up and out exhaust fans near the skylight. Natural light from the fully glazed facade and from the atrium (brought in by solar-tracking mirrors above the skylight) is reflected deep into the building. The building uses 32 percent less water than a comparable office building by using waterless urinals, dual-flush toilets, automatic faucets, and low-flow fixtures. Stormwater supplement the evaporative cooling towers and irrigates the landscaped roof. Building materials were chosen for their low emissions, recycled content, or local manufacturing. Nearly 90 percent of the wood was FSC certified.