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Cuatro Torres Business Area, Spain

Cuatro Torres Business Area, Madrid, Spain - For the very wide range of requirements, PERI provided the most cost-effective solution with the ACS self-climbing formwork.
Cuatro Torres Business Area, Madrid, Spain - While planning the use of the self-climbing formwork for the reinforced concrete cores of the Torre Caja Madrid, PERI engineers also took into consideration the site crane which was positioned in the core.
Cuatro Torres Business Area, Madrid, Spain - The two outer cores of the Torre Caja Madrid rose steadily upwards in weekly cycles with the PERI ACS self-climbing formwork.
Cuatro Torres Business Area, Madrid, Spain - The 223 m high Torre Espacio has three reinforced concrete cores with varying wall thicknesses.
Cuatro Torres Business Area, Madrid, Spain - For the core of the 249 m high Torre de Cristal, the combination of the three PERI ACS self-climbing system versions provided an efficient working procedures.

Project data

Location: Madrid, Spain

Three of four high-rise buildings (skyscrapers):

  • Torre Espacio: 223 m high, 57 floors, completion 2007
  • Torre de Cristal: 249 m high, 52 floors, completion 2008
  • Torre Caja Madrid: 250 m high, 45 floors, completion 2009


  • Torre Espacio:
    The initially quadratic floorplan with an elliptical shape runs around the three centrally located cores.
  • Torre de Cristal:
    Continual floorplan changes with tapering on all four edges.
  • Torre Caja Madrid:
    Two external reinforced concrete cores with very irregular floorplans and floor levels lying in between them.


  • OHL Group, Madrid (Torre Espacio)
  • Dragados (Torre de Cristal)
  • ARGE Torre 1, FCC/Dragados (Torre Caja Madrid)

Customer's benefit

  • adherence to the tight schedule
  • system solution for the different requirements of the project 
Rafael Ruiz | Luis Redondo | José Luis Martín
Site Manager Torre Repsol | Site Manager Torre de Cristal | Site Manager Torre Espacio

The formwork solution developed by PERI and the ACS self-climbing system function excellently. Once again, PERI has proven its strengths regarding quality and service.

Due to the use of the ACS and SKYDECK systems, our site is a prime example of efficiency and safety.

From the beginning, our cooperation with PERI has been outstanding. And with TRIO, PERI UP, SKYDECK and ACS we were able utilise high-performing systems. Here PERI has once again proven its leading position.

PERI solution

  • Torre Espacio:
    ACS P climbing system for the striking of the 450 m² wall and slab in one work step including a central placing boom.
  • Torre de Cristal:
    ACS R, ACS P, ACS G climbing systems in combination with1,150 m² VARIO GT 24 wall formwork distributed across 10 climbing groups.
  • Torre Caja Madrid:
    ACS climbing system in combination with VARIO GT 24 wall formwork with a water stop to enable placing booms to reach the target of a weekly cycle.