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Lotte World Tower

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Not to be confused with Busan Lotte World Tower.
Lotte World Tower
롯데월드 타워
File:Lotte World Tower a0.jpg
As seen from the base in February 2016
Map
General information
StatusCompleted
TypeMixed use:
Hotel, Residential
LocationSouth Korea Seoul, South Korea
GroundbreakingMay 2009[1]
Construction startedFebruary 1, 2011
Estimated completionDecember 2016[2]
Height
Antenna spire555.7 metres (1,823 ft)[1]
Roof497.6 metres (1,633 ft)[1]
Technical details
Floor count123 above ground, 6 below ground
Floor area304,081 m2 (3,273,100 sq ft)[1]
Design and construction
Architect(s)Kohn Pedersen Fox
DeveloperLotte Engineering & Construction
Structural engineerLeslie E. Robertson Associates

Lotte World Tower (Korean: 롯데월드 타워) is a 123-floor, 555-metre (1,821 ft) supertall skyscraper and has finished external construction on March 17, 2016. The building's final 123rd floor was topped out on December 22, 2015.[3] It is currently the tallest building in the OECD.

The tower is located next to the existing first-generation Lotte World complex, which opened in 1989, accessible via Seoul Subway Line 2 and Seoul Subway Line 8 at Jamsil Station.

History

After 13 years of planning and site preparation,[4] the tower gained final approval to start construction by the government in November 2010[4] and the first groundbreaking activities of piling and frame assembly were observed at the construction site in March 2011.

At New Year 2016 the LED-pixels of the facade showed "2016".[5]

On March 27, 2016, the first break in and climbing incident occurred. When the tower was still under construction, two Russian photographers Vitaly Raskalov and Vadim Makhorov climbed to the top of the crane and took pictures and a video.[6] They entered the construction site without permission. Due to public's awareness of potential DPRK (North Korea) agent attack, security was notified about this intrusion.[7]

Height

On March 17, 2016, prior to the final phase of external construction, the Diagrid lantern-shaped roof structure was completed. The roof structure was constructed with steel counterparts that are each 12 meters high and weigh 20 tons. The counterparts were made up of bent metal panels that are 6 cm thick, and the structure itself is 120 meters high, and it covers Floors 107–123. Approximately 3,000 tons of steel parts, a high-precision 64t tower crane, high-precision GPS alignment systems and highly skilled welding technicians were used in the construction of the roof itself. The roof structure is engineered to withstand its weight without reinforcing pillars, and endure earthquakes up to a magnitude of 9 under the Richter magnitude scale and winds up to 80 m/s.[8]

Floor plans

The conceptual design calls for a slender cone with convex, gently curved sides. An exterior of pale-coloured glass draws inspiration from Korean ceramics and features accents of metal filigree.[9] Located near the Han River, the tower will contain retail outlets (floors 1-12), offices (14-38), residences (42-71), a luxury hotel (76-101), private office (105-114), and public access floors (117-123) with an observation deck.

Floors Use
117-123 Observation Deck
105-114 Private Office
76-101 Lotte Hotel
42-71 Residence
14-38 Prime Office
1-12 Podium
B1-6 Parking lot

Urban exploration

In 2016, two Russian and Ukrainian urban explorers, Vadim Makhorov and Vitaly Raskalov from Ontheroofs, climbed the under-construction Lotte World Tower through stairs and Vitaly Raskalov then free-climbed up the crane on the tower's top.[10][11] The video was viewed over 2 million times as of September 2016 and received worldwide media attention.[12][13] Following the climb, Lotte World Tower released posters with the photos of Vitaly Raskalov and Vadim Makhorov, banning then from the building.[14][15]

  • October 2005
    October 2005
  • October 2010
    October 2010
  • December 2013
    December 2013
  • December 2013 (zoom)
    December 2013 (zoom)
  • July 2014
    July 2014
  • July 2014 (zoom)
    July 2014 (zoom)
  • August 2015
    August 2015
  • January 2016
    January 2016

See also

References

  1. ^ a b c d "Lotte World Premium Tower". CTBUH. Retrieved April 10, 2011. {{cite web}}: Italic or bold markup not allowed in: |publisher= (help)
  2. ^ Kim Eun-jung (August 3, 2016). "Lotte World Tower finds it hard to open within this year". Yonhap news. Retrieved August 3, 2016.
  3. ^ http://www.koreaherald.com/view.php?ud=20151222001084
  4. ^ a b http://world.kbs.co.kr/english/news/news_Dm_detail.htm?No=77118
  5. ^ "Das frohe neue Jahr kann kommen! Im südkoreanischen Seoul wurde bereits die LED-Schrift auf dem Lotte World Premium Tower getestet." Picture of LED-lit facade tested with the vertical display of "2016" (viewed from north). Kronenzeitung (Print), Vienna, December 31, 2015, p 14. (German)
  6. ^ "Lotte World Tower (555 meters)". April 10, 2016.
  7. ^ Woo, Go woon (March 30, 2016). "'도시의 닌자', 이번엔 제2롯데타워 최상층에서 인증샷/Vitaliy Raskalov on Lotte World Tower".
  8. ^ Jung, Wooyoung. "롯데월드타워 555m 달성". Yonhap News. Retrieved March 20, 2016.
  9. ^ http://www.skyscrapernews.com/news.php?ref=2338
  10. ^ "Climbing Lotte World Tower (555 meters) youtube video". Ontheroofs. April 10, 2016.
  11. ^ "Climbing Lotte World Tower ontheroofs story with photos and video". Ontheroofs. April 10, 2016. Archived from the original on September 21, 2016. {{cite web}}: Unknown parameter |dead-url= ignored (|url-status= suggested) (help)
  12. ^ "Daredevils evade security to climb 1,820-foot tower in South Korea". The Telegraph. March 31, 2016. Archived from the original on September 25, 2016. {{cite web}}: Unknown parameter |dead-url= ignored (|url-status= suggested) (help)
  13. ^ "[Interview] Vitaliy Raskalov on his Lotte World Tower climb". The Korea Herald. April 12, 2016. Archived from the original on September 25, 2016. {{cite web}}: Unknown parameter |dead-url= ignored (|url-status= suggested) (help)
  14. ^ "Ukrainian Daredevil Scales Seoul's Lotte World Tower". Haps Magazine. March 30, 2016. Archived from the original on September 25, 2016. {{cite web}}: Unknown parameter |dead-url= ignored (|url-status= suggested) (help)
  15. ^ "Daredevil climber beats security, tops Lotte World Tower". The Korea Times. March 30, 2016.
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