California Tishman Speyer Properties is planning to build 201 Folsom, a high-rise residential project in San Francisco. The project entails building 38- and 43-story towers, containing 671 units, over an 80-ft-tall full-lot podium. The building will contain 701 parking spaces. Arquitectonica is the architect-of-record. Construction is expected to begin in September. The project has been valued at $100 million. Tishman Speyer Properties, 525 Market St., San Francisco, 94105. DR#12-00431001.
Iowa DuPont/Danisco is planning to build a cellulosic ethanol plant at West Lincoln Highway and 580th Street in Nevada. The project entails building a biorefinery using corn stover (corncobs, leaves and stalks) from a 30-mile radius as feedstock, which is expected to produce 27.5 million gallons of ethanol annually. The general contractor will be Fagen Inc. Construction is expected to start in the last half of 2012 and take 12 to 18 months. The project is valued at $275 million. Fagen Inc., 501 Highway 212, Granite Falls, Minn. 56241. DR#11-00408716.
Because it can moderate the damaging effects of earthquakes, base-isolation is a technique used primarily in seismically active regions. ENR takes a look at some of the largest applications of base-isolation technologies in the world.