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Baiyoke Tower II

Coordinates: 13°45′15″N 100°32′26″E / 13.754167°N 100.540556°E / 13.754167; 100.540556
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Baiyoke Tower II
Map
General information
StatusCompleted
TypeHotel
Location222 Ratchaprarop Road, Ratchathewi
Bangkok, Thailand
Coordinates13°45′15″N 100°32′26″E / 13.754167°N 100.540556°E / 13.754167; 100.540556
Construction started1990
Completed1997
Cost฿3.6 billion
OwnerLand Development Co. Ltd.
Height
Architectural309 m (1,014 ft)
Tip328.4 m (1,077 ft)
Technical details
Floor count88
Floor area179,400 m2 (1,931,000 sq ft)
Design and construction
Architect(s)Plan Architects
DeveloperLand Development Corporation
Structural engineerArun Chaiseri Group
Main contractorConcrete Constructions
Other information
Number of rooms673
Website
www.baiyokehotel.com
References
[1][2][3][4]

Baiyoke Tower II (Template:Lang-th; RTGS: Bai Yok Song) is an 88-storey, 309 m (1,014 ft) skyscraper hotel at 222 Ratchaprarop Road in the Ratchathewi District of Bangkok, Thailand. It is the second tallest building in the city after MahaNakhon, and comprises the Baiyoke Sky Hotel, the tallest hotel in Southeast Asia and the seventh-tallest all-hotel structure in the world.[5]

With the antenna included, the building's height is 328.4 m (1,077 ft), and features a public observatory on the 77th floor, a bar called "Roof Top Bar & Music Lounge" on the 83rd floor, a 360-degree revolving roof deck on the 84th floor and the hotel offers 673 guest rooms.[1] Construction on the building ended in 1997, with the antenna being added two years later. The Baiyoke Sky Hotel website notes the height without the antenna as 309 m (1,014 ft), but the Council on Tall Buildings and Urban Habitat (CTBUH), Emporis and SkyscraperPage note it as 304 m (997 ft).

History

Late 1980s Project conceived by Panlert Baiyoke.

Early 1991 Official ground breaking. Foundation works carried out by Multiplex RSY Concert and the rest of the year of high quality of structions (Australia). Workers began to install 360 concrete piles (driven to 56m depth) before placing a 5m thick mat over the top.

November 1992 Concrete Constructions (Thailand) Ltd took over the project, work on the superstructure began. The contractor achieved 1.5 floors per month using jump forms and pumped concrete, the construction pace quadruple to 6 floors per month after the first 21 floors were built.

1995 Installation of mechanical and electrical services. Completion of the 19 level parking and retail podium.

August 1996 Concrete pouring ceremony on the tower's 85th floor (tower topped out in early 1997).

June 1999 Official opening of the Baiyoke Sky Hotel

Other Technical Info This building contains a total 60,000 cubic metres of cement. Its floor plan is typically 50m square plate with corner columns (one side has open column for external lift). A 30m diameter cylindrical plate begins at the 80th floor.

Up to 360 piles of concrete were driven through clay into thick sand layer to the depth of over 50m and sealed with a 5m thick mat.

The building represents one of the most sophisticated uses of concrete in Thailand, with 60N/sq mm (compressive strength) concrete forming the main material for the columns in a lightweight composite structure along with steel box girder reinforcement. The concrete core is surrounded by a square pattern of hollow columns fused together by key studs with an 200mm outer layer of 60N high strength concrete.

Columns start solid at the base and becoming hollow at the top.

The erection of tower was sped up with the use of VSL Climbform self-climbing, modular system for construction of vertical walls. It is the first time VSL Climbform technology was in use in Thailand.

Concrete were pumped to a 300m height level using Putzmeister pump (the pump previously set world record in high-rise conveying of concrete to a height of 532 metre during the construction of the Riva del Garda dam in Italy). And from the 300m level the concrete were lifted by a Favelle 310D luffing jib tower crane.

Baiyoke 2 was the tallest reinforced concrete building in the world at the time of completion in 1997. This record was surpassed by CITIC Plaza building in Guangzhao (China) which was completed a year later.

Site testing shows the building sway to a cycle of about six seconds. Expert sources suggested that the building may have sunk by 40mm during construction and may have impacted on the foundations of several smaller buildings nearby.

The estimated cost of the project was put at around 3.4 Billion Baht (costed before the devaluation of the Thai Baht in July 1997).

Initial plans call for a 140m high communication tower to be placed on top of the building (see rendering of the building's 3D model with the proposed telecom tower on top) although the developer has opted for a smaller radio transmission tower.

Baiyoke 2 was the world's tallest hotel at the time it was completed - but this was never registered in the Guinness Book of World Records. The JW Marriott Marquis Dubai which completed in 2012 is currently the tallest hotel.

Source

  • Engineering News Record Magazine (June '96) International Construction Magazine (Nov '94)
  • Civil Engineering International (May '96)
  • Engineers Australia Magazine (Oct '96)
  • VSL News (1994)
  • Bangkok Post Archive
  • Looking up at the top of the building from the 360-degree revolving roof deck on the 84th floor.
    Looking up at the top of the building from the 360-degree revolving roof deck on the 84th floor.
  • The observation platform of the Baiyoke II tower.
    The observation platform of the Baiyoke II tower.
  • The view north from Bangkok's Baiyoke Tower II with the Victory Monument visible left of centre
    The view north from Bangkok's Baiyoke Tower II with the Victory Monument visible left of centre
  • A view east from the observation platform of Bangkok's Bayoke tower showing the new rail link to the airport
    A view east from the observation platform of Bangkok's Bayoke tower showing the new rail link to the airport
  • Bangkok skyline from Baiyoke Tower II
    Bangkok skyline from Baiyoke Tower II
  • View of the tower and its surroundings
    View of the tower and its surroundings
  • The Baiyoke Tower II in Bangkok
    The Baiyoke Tower II in Bangkok

See also

References

  1. ^ a b "Baiyoke Tower II". CTBUH Skyscraper Center.
  2. ^ Baiyoke Tower II at Emporis
  3. ^ "Baiyoke Tower II". SkyscraperPage.
  4. ^ Baiyoke Tower II at Structurae
  5. ^ "100 Tallest Hotels". Council on Tall Buildings and Urban Habitat. Retrieved 2 May 2012.
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