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													De Rotterdam: Evening view on the bridge 
Courtesy of OMA 
Photo: Ossip van Duivenbode
													
													
												
											 
										 
									
									
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												 DE ROTTERDAM 
											
											
											
										
									
									
									
									
										 
											
												-Glassy silhouette skyline Rotterdam
											
										
									
									
									
									
									
									
									
										
											
											
											
												DE ROTTERDAM 
Architect Rem Koolhaas' studio OMA has completed its colossal vertical city in Rotterdam, the Netherlands 
The 44-storey interconnected glass towers span a width of over a hundred metres and remain roughly the same floor area for the entirety of the building's 150-metre height. 
												
												
											
										 
									 
									
							
								 
							 
							
							
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													Posted 27 November 2013
													
													
												
											
										
								
								
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De Rotterdam 
  
Project: A mixed-use vertical city 
Status: Commission 1997, groundbreaking December 2009, completion November 2013 
Clients: De Rotterdam CV, The Hague (Joint venture MAB, The Hague / OVG, Rotterdam) 
Location: Rotterdam, Netherlands 
Site: Former harbour waterfront between KPN tower and Cruise Terminal at Kop van Zuid 
Program: Total 162,000m2: offices 72,000m2; 240 apartments 34,5000m2; hotel (278 rooms) / congress / restaurant 19,000m2; retail / F&B 1,000m2; leisure 4,500m2; parking (approx. 650 vehicles) 31,000m2 
Partners in charge: Rem Koolhaas, Reinier de Graaf, Ellen van Loon 
Associate in charge: Kees van Casteren 
Team 1997–2001 (50% SD): Christina Beaumont, Stefan Bendiks, Frans Blok, Robert Cheoff, Bert Karel Deuten, Sharon Goren, Juan Guardetti, Jens Holm, Alex de Jong, Adam Kurdahl, Carolien Ligtenberg, Anna Little, Nuno Rosado, Saskia Simon, Johan de Wachter, Barbara Wolff 
Team 2007–08 (50% SD – building permit): Chantal Aquilina, Eva Dietrich, Anita Ernödi, Markus Frank, Jonah Gamblin, Clarisa Garcia-Fresco, Alex de Jong, Michel van de Kar, Christoph Michael, Elida Mosquera, Mauro Parravicini, Ippolito Pestellini Laparelli, Raphael Pulido, Louise Sullivan, Olaf Turck, Manuel Villanueva, with: Chun Chiu, Duncan Flemington, Evangelos Kotsioris, Sören Martinussen, Nobuki Ogasahara, Theo Petrides, Benoit Schelstraete, Ian Schopa, Kyo Stockhaus, Joao Viera Costa, Luca Vigliero, Jussi Vuori, Jean-Paul Willemse 
Team 2009–13 (construction phase / interiors): Michel van de Kar (associate), Marlies Boterman, Christoph Michael, with: Katrien van Dijk, Nathalie Gozdziak, Sai Shu, Saskia Simon, Tomas Dirrix, Erik de Haan, Jue Qiu, Pal Trodahl 
Interiors hotel (2013): Saskia Simon, Marina Cogliani, Clive Hennessey, Yasuhito Hirose, Arminas Sadzevicius 
Collaborators 
Building code consultant: ABT Bouwkunde, Velp / Delft 
Structural engineer: Corsmit, Rotterdam 
Structural advisor in SD phase: Arup, London 
Service engineers: Techniplan, Rotterdam (offices, hotel) / Valstar Simonis, Rijswijk (apartments, plinth) 
Façades: Permasteelisa, Middelburg (offices, hotel, plinth) / TGM, Asten (apartments) 
Fire safety / building physics: DGMR, Arnhem 
Lighting consultant ground floor / atrium: Arup, Amsterdam 
Scenography / lighting consultants hotel: Ducks Scéno, Paris / Les Eclaireurs, Lyon 
Construction phase 
Executive architect: B+M, The Hague 
Elevators / escalators / building maintenance units: Kone, The Hague 
MEP: Roodenburg, Krimpen aan den IJssel 
Contractor: Züblin, Stuttgart / Antwerp / Vlaardingen 
Reception desks ground floor: Smeulders, Nuenen 
Facts 
Gross Floor Area 162,000 m2 
Plot size 107 m x 36 m (3,852 m2) 
Height 150 m 
Façade area 50,000 m2 
Investment costs € 340,000,000 
Weight of building 230,000,000 kg (line of cars of 1,200 km) 
Concrete volume 74,000 m3 (12,000 concrete mixer trucks; line of 23km) 
Weight of reinforcement 12 tons (12,000 kg) 
Number of foundation piles 1,165 (total length of 24 km) 
Number of doors 6,100 
Number of elevators 24 
Construction pit of 50,000 m3 is removed by ship 
Daily 130 site workers during structural work (concrete) 
Daily 600 site workers during peak in outfitting 
In total more than 4,500 site workers have built the project. 
									
									
								 
							 
							
							
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								Glass facade
								
							
							
						
					
					
					
					
						
							
								
								
								 
								
								
								
									
										
										
										
											De Rotterdam 
Façade view 
Credit: OMA 
Photo: Ossip van Duivenbode
											
											
										
									 
								 
							
								
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								Design Parameter
								
							
							
						
					
					
					
					
						
							
								 
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											Rem Koolhaas 
Courtesy of OMA 
Photo: Fred Ernst  
											
											
										
									 
								 
							
								
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Ellen van Loon: “Efficiency has been a central design parameter from day one. The extreme market forces at play throughout the course of the project, far from being a design constraint, have in fact reinforced our original concept. The result is a dense, vibrant building for the city.” 
  
With the building’s completion, a critical mass has been established on the Kop van Zuid, realizing the long-established vision of a second city center south of the Maas. The building is named after one of the original ships on the Holland America Line, which from 1873 to the late 1970s transported thousands of emigrating Europeans bound for New York from the Wilhelmina Pier, next to which De Rotterdam is situated. 
  
The three stacked and interconnecting towers of De Rotterdam rise 44 floors to a height of 150 meters and span a width of over 100 meters. Nevertheless, the building is exceptionally compact, with a mix of programs organized into distinct but overlapping blocks of commercial office space, residential apartments, hotel and conference facilities, restaurants and cafes. Office employees, residents and hotel guests are brought together in conference, sport and restaurant facilities. The building’s shared plinth is the location of the lobbies to each of the towers, creating a pedestrianized public hub by means of a common hall. 
  
Rem Koolhaas: “Despite its scale and apparent solidity, the building’s shifted blocks create a constantly changing appearance, different from every part of the city. The fact that it stands today represents a small triumph of persistence for the city, the developer, the contractor and the architects.” 
  
The various phases of design and construction were supervised by partners-in-charge Rem Koolhaas, Ellen van Loon and Reinier de Graaf, and associate-in-charge Kees van Casteren. De Rotterdam is developed by MAB Development and OVG Real Estate. 
  
  
About OMA 
OMA is a leading international partnership practicing architecture, urbanism, and cultural analysis. OMA’s buildings and masterplans around the world insist on intelligent forms while inventing new possibilities for content and everyday use. AMO, a research and design studio, works in areas beyond architecture that today have an increasing influence on architecture itself: media, politics, renewable energy, technology, publishing, fashion. 
OMA is led by six partners – Rem Koolhaas, Ellen van Loon, Reinier de Graaf, Shohei Shigematsu, Iyad Alsaka, and David Gianotten – and sustains an international practice with offices in Rotterdam, New York, Beijing, Hong Kong, and Doha, employing a staff of around 350. 
  
  
OMA 
Heer Bokelweg 149 
NL-3032 AD Rotterdam 
+31 (0)10-2438200 
office@oma.com 
www.oma.com 
											
											
										
									 
								 
								
								
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