CHRONOLOGY OF THE PROJECT

International competition for the design of the tower. Award for the design of the project to the British Architect Sir Norman Foster and OVE ARUP & Partners engineering.

The location of the tower is agreed: Turó de la Vilana.

First geological investigation of the ground conditions.

March: Definitive project prepared by Sir Norman Foster & Partners and OVE ARUP in collaboration with "Ingeniería CAST".

June: Design put out to tender with eleven European firms taking part.

July: Detailed geological exploration of the ground conditions.

December: The proposal from "Cubiertas y Mzov" wins the tender.

12 Feb.: The minutes including the second description of the ground plan is signed.

28 Mar.: The foundation-slab was laid.

15 June: First concrete poured for the foundations.

24 Aug.: Slip-forming of the concrete shaft commences.

28 Sep.: The tube and the lattice structures are introduced into the shaft.

Decemb.: First setting of provisional guys. The construction of the steel platform structures begins.

March: The slip-form works to the concrete shaft are completed.

25 Apr.: The tube and the lattice sections are raised to the upper part of the shaft.

7 June: The platforms are lifted by two metres above construction level.

11 June: The final lifting of the platforms starts.

14 June: The platforms are lifted into their final position.

July: The platforms are attached to the shaft. The final assembly of the exterior staircase begins.

Septem.: The installation of G1 and G2 guys is completed and the provisional guys are dismantled.

3 Oct.: Construction crane is dismantled.

25 Oct.: The upper lattice section is hoisted into position.

31 Oct.: The installation of G3 guys is completed.

4 Nov.: Lifting of the upper tubular steel section begins.

19 Nov.: The upper tubular steel section is lifted into its final position and the tower attains its final height.

25 Dec.: The tower is floodlit to coincide with Christmas celebrations.                                                

January: The supporting platforms for the FM and VHF antennas are completed.

May: The installation of the radiant systems, the transmitters and multiplexors is completed.

June: The broadcasting of all TV channels from Torre de Collserola begins.

27 June: Inauguration day.

21 Sept International prize "Puente de Alcantara"

January: Begining of FM Radio Broadcasting emissions.

March: Opening of the public activitie of the observatory.

May: Begining.of the renting activitie of infrastructure services to several users (taxi, transport, companies of services, security).

June: Prize FAD of architecture and prize "La opinión FAD".

Digital connections.

Installation of private FM transmitters.

Increase in number of clients- users of the Tower.