Twelve West

Twelve West (stylized as twelve | west) is a 22-floor, mixed-use apartment and office building located in downtown Portland, Oregon, United States. The building is home to INDIGO @ twelve | west apartments and ZGF Architects LLP. During design and construction the building was known as “12W” and “ZGF Tower”,[1][2] but the name changed after a naming contest in July 2009.[3] Initial plans included a hotel and a total of 31 floors, but they were revised after the hotel company withdrew.[2] The building is located on S.W. Washington Street, north side, spanning the block from 12th to 13th Avenues.

Twelve West
Location within Portland, Oregon
General information
Typeretail, office, luxury apartments, parking
LocationS.W. 12th & Washington, Portland, Oregon, United States
Coordinates45.5221°N 122.6839°W / 45.5221; -122.6839
Construction started2007
Completed2009
Opening2009
Cost$137 million
Height
Roof266 feet (81 m)
Technical details
Floor count22
Lifts/elevators7
Design and construction
ArchitectZGF Architects
DeveloperGerding Edlen
Main contractorHoffman Construction

Wind turbines

Four 45-foot-tall (14m) wind turbines are mounted on the roof for the purpose of research and generating electricity.[4] The turbines were expected to generate 9,000 kilowatt hours yearly and provide data on wind flows[5] and bird-strikes.[6] However, a study from the NREL indicated that the turbines are less productive; the system "generates approximately 5,500 kilowatt-hours (kWh)/year."[7]

Tenants

There are three distinct uses for twelve | west in separate parts of the building. Ground floor provides retail space, a building lobby, and garage access. Floors 2–5 are offices, currently the headquarters of ZGF Architects LLP, the architect of the building.[1] Floors 6–23 comprise the INDIGO @ twelve | west apartments.

See also

References
  1. "Portland architecture firm pulls out all stops for new office".
  2. "12th and Washington, Portland".
  3. "Come See the Wizard". Archived from the original on 2009-10-19.
  4. "Innovative wind turbines to top new downtown Portland high-rise".
  5. "Urban wind turbines go up in Portland". 13 August 2009.
  6. "Will urban wind turbines power Portland's future?".
  7. Technical Report NREL/TP-5000-65622: "Deployment of Wind Turbines in the Built Environment: Risks, Lessons, and Recommended Practices." Jason Fields, Frank Oteri, Robert Preus, and Ian Baring-Gould (June 2016). National Renewable Energy Laboratory, U.S. Department of Energy. Golden, CO. https://www.nrel.gov/docs/fy16osti/65622.pdf


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