Cathédrale St-Pierre – Genève

Type of building:
Historical monument of worship
Fondation des Clefs de St-Pierre
Place du Bourg-de-Four 24, 1204 Geneva
Year (s) of the works:
2010-2011 and 2016

Presentation of the building

Centuries old, the first date of construction of the cathedral dates back to 1160 A.D. Since then, the building has undergone numerous modifications to either cure or prevent incidents such as fires. These various restorations, over time, have given the cathedral the magnitude of its dimensions and shaped its rich history. Three distinct styles can be found in the different parts of the building, the Romanesque, the Gothic and the Neoclassical.
Today, the height of the peak is 71 meters and the length of the hall is 125 meters. There are 9 bells swinging in the spheres, the largest weighs more than 6 tons. .But the life of the building is by far not monotonous since it has just undergone a setting in conformity of its installations of emergency lighting.

Emergency lighting concept

An emergency lighting system very specific to the work was set up in order to respect the constraints linked to an intervention in a protected historical building It is based on the adaptation with an emergency function of a part of the luminaries and the imposing chandeliers of the main contractor allowing to connect them to energy cabinets. One is sufficient for the cathedral and 4 smaller ones are used to supply the archaeological site. In addition to that, about 50 specific lights with accumulators have been installed in the different parts of the cathedral. Other installations, such as marker flags, were also positioned where necessary.

Crédits photos :

1_ "St Pierre Cathedral" by Torbjorn Toby Jorgensen is licensed under CC BY-SA 2.0

2_ "Cathédrale Saint-Pierre de Genève" by Geneva photos is licensed under CC BY-SA 4.0

3_ "St Pierre Cathedral / Geneva, Switzerland" by Sergey Ashmarin is licensed under CC BY-SA 3.0

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