F5 Tower

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F5 Tower
F5 Tower - July 2017.jpg
Under construction in July 2017
F5 Tower is located in Seattle WA Downtown
F5 Tower
Location within downtown Seattle
Former namesThe Mark, Fifth and Columbia Tower
General information
StatusTopped-out
TypeMixed-use: hotel and office building
Location801 5th Avenue, Seattle, Washington, U.S.
Coordinates47°36′19″N 122°19′52″W / 47.60528°N 122.33111°W / 47.60528; -122.33111Coordinates: 47°36′19″N 122°19′52″W / 47.60528°N 122.33111°W / 47.60528; -122.33111
Groundbreaking2014
Estimated completionAugust 2017
Cost$450 million[1]
Height
Tip660 ft (200 m)
Technical details
Floor count44
Floor area761,493 sq ft (70,745.0 m2)
Design and construction
ArchitectZimmer Gunsul Frasca
DeveloperDaniels Real Estate
Structural engineerArup, Coughlin Porter Lundeen
Main contractorJTM Construction
References
[2][3] [4]

F5 Tower (previously The Mark and Fifth and Columbia Tower) is a 660-foot-tall (200 m) skyscraper in Downtown Seattle, Washington. It consists of 44 floors.[5] It's the fifth-tallest building in Seattle, and the tallest building completed since 1990.

The tower consists of 516,000 square feet (47,900 m2) of office space leased entirely by F5 Networks and a 189-room luxury hotel previously operated by SBE Entertainment Group.[6][7] It was designed by Zimmer Gunsul Frasca and was being developed by Daniels Real Estate. Out of all skyscrapers under construction amidst Seattle’s historic construction boom, F5 Tower is the most expensive.[1]

The tower is built next to the former First Methodist Episcopal Church. Although the education wing was demolished to make room for the tower, the remainder of the former church building has been preserved and has since been re-purposed into Daniels Recital Hall.

Design[edit]

To achieve LEED Gold standards, the tower will have a system to capture rainwater for reuse, a 35-foot-tall (11 m) "living wall" where plants grow in a Columbia Street façade, and rooftop solar energy equipment.[5] Plans call for the building to be smallest at its base with each floor a different size.

The glass walls of the building are designed to regulate temperature and energy use by letting in some sun rays and reflecting others. It will use the same glass as the One World Trade Center in New York City.[5]

Construction[edit]

Shoring and excavation began in summer 2008 and was delayed due to economic conditions. Construction re-started in the summer of 2014.[7] During construction, cables and shoring mechanisms left over from the construction of the Columbia Center in the 1980s were discovered, which led developer Daniels Real Estate to file a lawsuit in August 2015 against the owners of the Columbia Center.[8] The building topped-out in July 2016.[9]

See also[edit]

References[edit]

  1. ^ a b Rosenberg, Mike (March 10, 2017). "Record construction frenzy sweeps downtown Seattle; more building to come". The Seattle Times. Retrieved March 27, 2017.
  2. ^ F5 Tower at Emporis
  3. ^ "F5 Tower". CTBUH Skyscraper Database.
  4. ^ "F5 Tower". Skyscraper Center. CTBUH. Retrieved 2017-06-18.
  5. ^ a b c Nevy, Nat (May 1, 2017). "Sneak peek: Seattle's next luxury hotel opens soon in new downtown high-rise (Photos)". Puget Sound Business Journal. Puget Sound Business Journal. Retrieved May 2, 2017.
  6. ^ Lerman, Rachel; Rosenberg, Mike (May 3, 2017). "Tech company F5 will lease all of downtown's newest office tower". The Seattle Times. Retrieved May 3, 2017.
  7. ^ a b "Sneak peek: Seattle's next luxury hotel opens soon in new downtown high-rise (Photos)". Puget Sound Business Journal. May 1, 2017. Retrieved May 2, 2017.
  8. ^ "High-rise owners square off in court". The Seattle Times. August 15, 2015. Retrieved August 16, 2015.
  9. ^ "Project Updates - July 2016". The Mark Seattle. July 12, 2016. Retrieved April 28, 2017.

External links[edit]