Projects

• Area of the citadel: 23 ha
• Useable surface area: 14 000 m²
• Number of visitors in 2013: 380,000
• Roads and paths: 8 000 m²

• Date of building the gunpowder magazine : 1682
• Net floor area gunpowder magazine: 100 m²
• Project duration: 18 months (after obtaining building permission)
• Date commissioned: May2014

• Surface area within the walled city: 4,5 ha
• Number of inhabitants: 240 (INSEE census 2011)
• Contracting parties: commune ofVillefranche-de-Conflent
• Administrator subscribed: commune of Villefranche-de-Conflent (city walls), private administrators (fort Libéria, Cova Bastera)
• Implementation: July...

• Opened on: 15 December 2012
• Operating times: 7AM to 9PM every day
• Annual number of passengers: 1 million
• Difference in height covered by lift: 58m
• Return fare: 1€
• Lift takes: 23 seconds
• Capacity: 21 people

• Number of inhabitants: 121 038 (INSEE census 2011)
• Area of the citadel: 11.2 ha
• Administrator subscribed: Citadel World heritage public body
• Number of agents: around 80 permanent and 50 temporary
• Number of visitors in 2013: 268,427; of which 60% are regional and 10% are foreign
• Annual budget...

To ensure the preservation of the outstanding universal value (including authenticity and integrity) for future generations and anticipate and supervise the development of sites. In the case of serial properties, all components must meet the same requirements (the failure of one may cause them all...

• Altitude: 1 050 m
• Number of inhabitants: 154 (recensement INSEE 2011)
• Number of inhabitants Guillestrois community of communes: 5 500
• Surface area within the walled city: 16 ha
• Administrators subscribed: Commune of Mont-Dauphin (30 ha), Centre for National Monuments (proporty of ministry for...

• Surface area within the walled city: 26,3 ha
• Number of inhabitants: 2 045 (INSEE census 2011)
• Administrator subscribed: commune of Neuf-Brisach
• Contracting parties: Community of communes of the Brisach district / commune of Neuf-Brisach
• Implementation: July 2012
• Scenographer: Véronique Bretin...

In May 2014, a new multimedia show was inaugurated at the Saint-Étienne chapel. 300° projections of historical documents, spectacular real-life views and computer-generated images, completed by an actor and sound effects, offer visitors a unique 14-minute experience for understanding the history of...

• Estimated surface area within the walled: 50 ha
• Number of inhabitants: 2 505 (INSEE census 2011)
• Administrators subscribed: commune of Saint- Martin-de-Ré, Department of Justice (citadel)
• Contracting party: Ernest Cognacq museum
• Contractor: Archi-Tact
• Implementation: July 2011
   

• Surface area of archipelago: 80 ha
• Total surface area of World heritage site (1994): 210 ha
• Owner: Etat finlandais
• Number of buildings: 270 (160,000 m² useable)
• 360 appartments
• 850 permanent tenants and 100 seasonal tenants
• 50 to 100 inmates
• Number of jobs: 500 during the summer and 400...

Implementation: 

• 1990-1993: Helsinki open prison, Suomenlinna division
• 2005-2007:  Helsinki open prison, Suomenlinna division for foundations, private entrepreneur (metallic structure and fabric cutting)

Annual maintenance
mounting - dismantling of fabric using a crane (cost of 10,000 € per...