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De Karel Doorman
Rotterdam
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Metrics
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Height
71.2 m / 234 ft
Floors
22
Official Name
The current legal building name.
De Karel Doorman
Other Names
Other names the building has commonly been known as, including former names, common informal names, local names, etc.
Linea Nova, Ter Meulen
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, 2012
Country
The CTBUH follows the United Nations's definition of Country, and thus uses the lists and codes established by that organization.
City
The CTBUH follows the United Nations's definition of City, and thus uses the lists and codes established by that organization.
Address
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.
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.
residential / retail
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.
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.
timber composite/concrete
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."
71.2 m / 234 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).
71.2 m / 234 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).
22
# of Apartments
Number of Apartments refers to the total number of residential units (including both rental units and condominiums) contained within a particular building.
128
# of Parking Spaces
Number of Parking Spaces refers to the total number of car parking spaces contained within a particular building.
200
Construction Schedule
2007
Construction Start
2012
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.
You must be a CTBUH Member to view this resource.
Developer
Fortis Vastgoed Ontwikkeling
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.
Ibelings Van Tilburg Architecten
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.
CTBUH Initiatives
Tall Timber: A Global Audit
26 June 2017 - CTBUH Research
Considering the Whole Life Cycle Workshop, Shanghai 2014
16 September 2014 - Event
Videos
16 September 2014 | Rotterdam
Ultra Light Weight Solutions for Sustainable Urban Densification
This presentation shows, through the realized case project “De Karel Doorman” in Rotterdam, how ultra lightweight solutions for apartments and other building types can be...
Research
Rune__Abrahamsen.jpg)
30 October 2017
Rethinking CTBUH Height Criteria In the Context of Tall Timber
Robert M. Foster, University of Queensland; Michael H. Ramage, University of Cambridge; Thomas Reynolds, The University of Edinburgh
Recent developments in the design and construction of progressively taller buildings using engineered timber as a structural material raise important questions about the language that...
About De Karel Doorman
De Karel Doorman was constructed on top of the Ter Meulen store, originally built in 1948. To construct the additional floors, a lightweight alternative to traditional multistory framing was approached. The building utilizes two reinforced concrete cores inserted into the existing structure, a framework of steel columns and beams, a wooden floor system topped with 55mm of concrete and a wooden exterior wall clad with a glass facade. The resulting structure's floors weigh 250 kilograms per square meter, one fifth of the weight of a standard high-rise apartment building constructed entirely of reinforced concrete.
Research
30 October 2017
Rethinking CTBUH Height Criteria In the Context of Tall Timber
Recent developments in the design and construction of progressively taller buildings using engineered timber as a structural material raise important questions about the language that...
16 September 2014
Ultra Light Weight Solutions for Sustainable Urban Densification
This paper shows, through the realized case project “De Karel Doorman” in Rotterdam, how ultra lightweight solutions for apartments and other building types can be...
CTBUH Initiatives
26 June 2017
Tall Timber: A Global Audit
The CTBUH has produced its latest Tall Buildings in Numbers research study, entitled "Tall Timber: A Global Audit."
16 September 2014
Considering the Whole Life Cycle Workshop, Shanghai 2014
This session brought building environmental performance issues to the forefront in building design, a field that has been criticized in the past for its resource-heavy construction.
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