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Decision : 34 COM 7B.98
Works of Antoni Gaudí (Spain) (C 320bis)

The World Heritage Committee,

1. Having examined the document WHC-10/34.COM/7B.Add,

2. Recalling the decision 33 COM 7B.121, adopted at its 33rd session (Seville, 2009),

3. Notes that the suggestion of re-routing the fast train AVE's underground path, in the area of the Sagrada Familia and the Casa Milà, has been the subject of real studies, and acknowledges that the selected routing was the most feasible;

4. Takes note of the technical documentation provided by the State Party, about the conditions to continue carrying out the tunnel boring works currently being undertaken;

5. Urges the State Party to take the following points into consideration, in order to improve the monitoring conditions of the tunnel boring works, in the vicinity to the Sagrada Familia and the Casa Milà and their immediate halt at the slightest alert or slightest uncertainty of the grounds' behavior, in order to ensure the Sagrada Familia's and the Casa Milà's structural integrity:

a) Put the Construction Monitoring Committee in place and extend its formation in order to guarantee that it includes independent experts,

b) Clarify the technical programme related to the monitoring of the tunnel boring machine's progression to the Sagrada Familia, in relation with the finest prevision possible concerning the static and dynamic consequences on the grounds and foundations of the Gaudi buildings,

c) Confirm the scientific and administrative conditions by which the Committee can suspend, with no delay and with full authority, the tunnel boring works,

d) Put in place a monitoring programme concerning the vibrations linked to underground rail usage at the level of the Sagrada Familia, for the two existing "metro" lines as well as for the future high-speed train (AVE) underground line, and consider a possible reinforcement of the vibration absorbing devices,

e) Perpetuate the Monitoring Committee after the works have been achieved, in order to ensure a monitoring programme, concerning the grounds and modeling of the structural outcomes of the Sagrada Familia and Casa Milà, taking into account all the parameters linked to these two buildings once the works have been achieved;

6. Requests the State Party to keep the World Heritage Centre regularly updated on the establishment of the Construction Monitoring Committee and its criteria, as well as the progress of the works and the monthly conclusions of such Committee;

7. Also requests the State Party to submit to the World Heritage Centre, before 1 February 2011, a report concerning the progress made with the implementation of the recommendations, so it can be examined by the World Heritage Committee at its 35th session in 2011.

 Decisions Report
Context of Decision
Themes: Conservation
States Parties: Spain
Year: 2010
Decision Code: 34 COM 7B.98