177
Global
Height rank

Baiyoke Tower II

Bangkok
Height
1
To Tip:

Height is measured from the level of the lowest, significant, open-air, pedestrian entrance to the highest point of the building, irrespective of material or function of the highest element (i.e., including antennae, flagpoles, signage and other functional-technical equipment).

328.4 m / 1,077 ft
2
Architectural:

Height is measured from the level of the lowest, significant, open-air, pedestrian entrance to the architectural top of the building, including spires, but not including antennae, signage, flag poles or other functional-technical equipment. This measurement is the most widely utilized and is employed to define the Council on Tall Buildings and Urban Habitat (CTBUH) rankings of the "World's Tallest Buildings."

304 m / 997 ft
3
Occupied:

Height is measured from the level of the lowest, significant, open-air, pedestrian entrance to the highest occupied floor within the building.

290 m / 951 ft
1 2 3 Baiyoke Tower II Outline
Floors
Above Ground

The number of floors above ground should include the ground floor level and be the number of main floors above ground, including any significant mezzanine floors and major mechanical plant floors. Mechanical mezzanines should not be included if they have a significantly smaller floor area than the major floors below. Similarly, mechanical penthouses or plant rooms protruding above the general roof area should not be counted. Note: CTBUH floor counts may differ from published accounts, as it is common in some regions of the world for certain floor levels not to be included (e.g., the level 4, 14, 24, etc. in Hong Kong).

85
Height 304 m / 997 ft
Floors 85
Official Name
The current legal building name.

Baiyoke Tower II

Name of Complex
A complex is a group of buildings which are designed and built as pieces of a greater development.

Baiyoke Hotel

Type
CTBUH collects data on two major types of tall structures: 'Buildings' and 'Telecommunications / Observation Towers.' A 'Building' is a structure where at least 50% of the height is occupied by usable floor area. A 'Telecommunications / Observation Tower' is a structure where less than 50% of the structure's height is occupied by usable floor area. Only 'Buildings' are eligible for the CTBUH 'Tallest Buildings' lists.

Building

Status
Completed
Architecturally Topped Out
Structurally Topped Out
Under Construction
Proposed
On Hold
Never Completed
Vision
Competition Entry
Canceled
Proposed Renovation
Under Renovation
Renovated
Under Demolition
Demolished

Completed

Completion

1997

Country
The CTBUH follows the United Nations's definition of Country, and thus uses the lists and codes established by that organization.

Thailand

City
The CTBUH follows the United Nations's definition of City, and thus uses the lists and codes established by that organization.

Bangkok

Address

222 Soi Ratchaprarop 3

Function
A single-function tall building is defined as one where 85% or more of its usable floor area is dedicated to a single usage. Thus a building with 90% office floor area would be said to be an "office" building, irrespective of other minor functions it may also contain.

A mixed-use tall building contains two or more functions (or uses), where each of the functions occupy a significant proportion of the tower's total space. Support areas such as car parks and mechanical plant space do not constitute mixed-use functions. Functions are denoted on CTBUH "Tallest Building" lists in descending order, e.g., "hotel/office" indicates hotel function above office function.

hotel

Structural Material
Steel
Both the main vertical/lateral structural elements and the floor spanning systems are constructed from steel. Note that a building of steel construction with a floor system of concrete planks or concrete slab on top of steel beams is still considered a “steel” structure as the concrete elements are not acting as the primary structure.

Reinforced Concrete
Both the main vertical/lateral structural elements and the floor spanning systems are constructed from concrete which has been cast in place and utilizes steel reinforcement bars.

Precast Concrete
Both the main vertical/lateral structural elements and the floor spanning system are constructed from steel reinforced concrete which has been precast as individual components and assembled together on-site.

Mixed-Structure
Utilizes distinct systems (e.g. steel, concrete, timber), one on top of the other. For example, a steel/concrete indicates a steel structural system located on top of a concrete structural system, with the opposite true of concrete/steel.

Composite
A combination of materials (e.g. steel, concrete, timber) are used together in the main structural elements. Examples include buildings which utilize: steel columns with a floor system of reinforced concrete beams; a steel frame system with a concrete core; concrete-encased steel columns; concrete-filled steel tubes; etc. Where known, the CTBUH database breaks out the materials used in a composite building’s core, columns, and floor spanning separately.

concrete

Official Website

Baiyoke Sky Hotel

Height
Architectural
Height is measured from the level of the lowest, significant, open-air, pedestrian entrance to the architectural top of the building, including spires, but not including antennae, signage, flag poles or other functional-technical equipment. This measurement is the most widely utilized and is employed to define the Council on Tall Buildings and Urban Habitat (CTBUH) rankings of the "World's Tallest Buildings."

304 m / 997 ft

To Tip
Height is measured from the level of the lowest, significant, open-air, pedestrian entrance to the highest point of the building, irrespective of material or function of the highest element (i.e., including antennae, flagpoles, signage and other functional-technical equipment).
328.4 m / 1,077 ft
Occupied
Height is measured from the level of the lowest, significant, open-air, pedestrian entrance to the highest occupied floor within the building.
290 m / 951 ft
Observatory
290 m / 951 ft
Floors Above Ground
The number of floors above ground should include the ground floor level and be the number of main floors above ground, including any significant mezzanine floors and major mechanical plant floors. Mechanical mezzanines should not be included if they have a significantly smaller floor area than the major floors below. Similarly, mechanical penthouses or plant rooms protruding above the general roof area should not be counted. Note: CTBUH floor counts may differ from published accounts, as it is common in some regions of the world for certain floor levels not to be included (e.g., the level 4, 14, 24, etc. in Hong Kong).

85

# of Hotel Rooms
Number of Hotel Rooms refers to the total number of hotel rooms contained within a particular building.

673

Rankings
  • By Location
#
177
Tallest in the World
#
106
Tallest in Asia
#
3
Tallest in Bangkok
#
7
Tallest Hotel Building in the World
#
1
Tallest Hotel Building in Asia
#
1
Tallest Hotel Building in Thailand
#
1
Tallest Hotel Building in Bangkok
#
57
Tallest Concrete Building in the World
#
18
Tallest Concrete Building in Asia
#
3
Tallest Concrete Building in Thailand
#
3
Tallest Concrete Building in Bangkok
Construction Schedule
1990

Construction Start

1997

Completed

Structural Engineer
Design

The Design Engineer is usually involved in the front end design, typically taking the leadership role in the Schematic Design and Design Development, and then a monitoring role through the CD and CA phases.
Meinhardt
Material Supplier

Material Supplier refers to organizations which supplied significant systems/materials for a building project (e.g. elevator suppliers, facade suppliers, etc).
Construction Hoists
Alimak Hek
Elevator
Otis Elevator Company
Façade Maintenance Equipment
CoxGomyl
Developer
Land Development Corporation
Architect
Design

Usually involved in the front end design, with a "typical" condition being that of a leadership role through either Schematic Design or Design Development, and then a monitoring role through the CD and CA phases.
Plan Architects
Structural Engineer
Design

The Design Engineer is usually involved in the front end design, typically taking the leadership role in the Schematic Design and Design Development, and then a monitoring role through the CD and CA phases.
Arun Chaiseri Group; Meinhardt
Contractor
Main Contractor

The main contractor is the supervisory contractor of all construction work on a project, management of sub-contractors and vendors, etc. May be referred to as "Construction Manager," however, for consistency CTBUH uses the term "Main Contractor" exclusively.
Concrete Constructions
Material Supplier

Material Supplier refers to organizations which supplied significant systems/materials for a building project (e.g. elevator suppliers, facade suppliers, etc).
Construction Hoists
Alimak Hek
Elevator
Otis Elevator Company
Façade Maintenance Equipment
CoxGomyl

CTBUH Initiatives

CTBUH Releases Analysis of Global Population and Tall Buildings

13 April 2011 - CTBUH Journal

Research

13 April 2011

Tall and Urban: An Analysis of Global Population and Tall Buildings

CTBUH Research

Tall buildings are spreading across the globe at an ever-increasing rate. This study demonstrates the relationship between population and tall buildings across those countries and...

About Baiyoke Tower II

Rising from the Pratunam area of Bangkok, Baiyoke Tower II is Thailand’s first supertall building and Bangkok’s tallest building for 19 years until the completion of MahaNakhon in 2016. It was developed through the Baiyoke Group of Hotels following upon their success with Baiyoke Tower I, located one block to south and completed in 1987. The first Baiyoke Tower was the tallest building to rise in what was at the time, primarily a garment district full of low-rise buildings aligned to narrow streets doubling as open-air markets. The second Baiyoke Tower from the onset was to be even larger and was designed to not only be the tallest building in Thailand, but also the tallest hotel and tallest reinforced concrete building in the world. Initial planning begins soon after the completion of the first tower and construction then began in 1990.

The design was inspired by the traditional architecture of Thai temples with triangular rooflines accented with gold color. These features were to be included on what was initially proposed as a red colored exterior, envisioned as a block of red sandstone ascending from the earth skyward while sculpted and hallowed out for human occupancy. While the red color was not included in the finalized design, the tower’s form does adhere to the idea of monolithic block of stone rising from the ground. The exterior is largely made up of a grid of small windows on a tower form which begins as a large podium base and then becomes more slender through a series of terraces and upper level setbacks marked by golden triangles.

Economic downturns stalled completion of the tower until 1997, after which it became a redefining feature of the Bangkok skyline. The tower’s first four floors and the basement are dedicated to retail use while parking assumes the role of the next 10 floors of the large podium base. The hotel spaces are then allocated to the tower as it rises above the large base with the podium roof featuring an outdoor deck and swimming pool. The uppermost floors include restaurants, lounges and public observatories on the 77th floor and the 84th floor.

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