20 ans après la fermeture des usines Renault, un projet est (enfin) sur le point d’aboutir sur l’Ile Seguin. Mais rien n’est encore joué, car face à l’opposition de certains de voir des tours émerger sur l’ile, le maire de Boulogne-Billancourt, Jean-Christophe Baguet, a demandé à l’architecte Jean Nouvel d’imaginer non pas un, mais 3 projets d’aménagement pour l’Ile Seguin. Ces projets ont été rendus publiques le 21 novembre, mais surtout, chose rare, les boulonnais vont avoir la possibilité de voter pour choisir LE projet d’aménagement de l’Ile Seguin qui sera construit.

Ile Seguin : Projet n°2 de Jean Nouvel

Présentation des 3 projets de Jean Nouvel pour l’Ile Seguin

Les 3 projets présentés par Jean Nouvel sont tous différents, mais présentent malgré tout des points communs :

Les équipements culturels

  • Sur la pointe aval, la Cité Musicale du Conseil Général : une grande salle de 4000 places, un auditorium de 1000 places, des studios et des espaces pour les associations musicales (La Maîtrise des Hauts-de-Seine).
  • Sur la pointe amont, R4, un bâtiment polyvalent dédié à l’art contemporain : lieu d’exposition, galeries, ateliers d’artistes, salle des ventes… ; le cirque numérique Madona Bouglione.
  • Dans la partie centrale, un complexe cinématographique (16 salles) et un équipement public consacré aux arts numériques.
  • Une rue commerçante comprenant des commerces culturels.

Une île durable et exemplaire

L’île Seguin a pour ambition de devenir un laboratoire urbain et environnemental :

  • Chauffage et climatisation provenant à 65 % d’énergies renouvelables
  • Traitement des eaux avec récupération des eaux de pluie
  • Ile largement piétonne, circulation automobile très limitée
  • Espaces publics ouverts : jardins couverts, promenade, terrasses
  • Grande accessibilité par transports en commun avec notamment la gare Pont de Sèvres-île Seguin du futur réseau du Grand Paris Express.

Un pôle de destination à l’échelle du Grand Paris

  • Le programme exceptionnel de l’île Seguin sera un site attractif du Grand Paris, pour le plus grand bénéfice des Boulonnais. Le projet présentera une architecture innovante prenant en compte le fleuve, les coteaux et l’ensemble de la métropole parisienne.
  • Les 3 projets accueillent une promenade accessible au public au bord de l’eau qui fait le tour de l’île, le bâtiment dédié à la mémoire industrielle, sociale et humaine de Renault et un complexe multisports.

 

Projet n°1 : 4 tours et un grand jardin végétal

Sa forme urbaine ambitieuse comporte 4 points hauts et une série de jardins suspendus qui libèrent un grand jardin au sol et augmentent la présence du végétal sur l’Île.

  • Un grand jardin sous verrière de 13 300 m2 reliant les deux parvis, bordé de restaurants et de commerces
  • Une forme urbaine ambitieuse comportant une tour d’une hauteur maximum de 120 m et trois autres tours d’une hauteur inférieure à 100 m
  • Un belvédère public permettant de découvrir un panorama sur l’ensemble du paysage et de la métropole parisienne
  • Une rue commerçante animée

Ile Seguin : Projet n°1 de Jean Nouvel

Projet n°1 pour l'Ile Seguin : La rue commerçante

Ile Seguin : Projet n°1 (plan)

Projet n°2 : 1 seule tour, un bélvédère public et un grand jardin

Sa silhouette comporte un seul point haut, un belvédère public qui libère un grand jardin au sol.

  • Un grand jardin sous verrière de 12 000 m2 au centre de l’île, bordé de restaurants et de commerces
  • Une forme urbaine comportant une tour d’une hauteur maximum de 110 m
  • Un belvédère public permettant de découvrir un panorama sur l’ensemble du paysage et de la métropole parisienne
  • Une rue commerçante animée

Ile Seguin : Projet n°2 de Jean Nouvel

Projet n°2 pour l'Ile Seguin : La rue commerçante

Ile Seguin : Projet n°2 (plan)

Projet n°3 : pas de tour, mais un jardin cenral plus petit

L’absence de point haut implique l’augmentation de l’emprise au sol des constructions. La surface du jardin central réduit.

  • Un jardin sous verrière de 6 200 m2 au centre de l’île, bordé de restaurants et de commerces
  • Une rue commerçante animée

Ile Seguin : Projet n°3 de Jean Nouvel

Projet n°2 pour l'Ile Seguin : La rue commerçante

Ile Seguin : Projet n°3 (plan)

Tableau comparatif des 3 projets de Jean Nouvel pour l’Ile Seguin

 

Projet n°1 Projet n°2 Projet n°3
Jardin public 13 300 m2 12 000 m2 6 200 m2
Terrasses 32 500 m2 29 400 m2 29 300 m2
dont 26 300 m2 plantées 23 200 m2 plantées 23 200 m2 plantées
Constructibilité totale 310 000 m2 255 000 m2 232 000 m2
Culture 94 000 m2 84 000 m2 84 000 m2
Hébergement 64 000 m2 42 000 m2 35 000 m2
Bureaux/Activités 137 000 m2 112 000 m2 94 000 m2
Commerces 10 500 m2 12 500 m2 14 500 m2
Équipements sportifs 4 500 m2 4 500 m2 4 500 m2

Sources : Bati actu, Ile Seguin 2012 et Naos hub

Conclusion : Quel est le meilleur projet pour l’Ile Seguin ?

Le projet n°1 correspond au projet initial de Jean Nouvel. C’est celui qui propose la plus forte densité de construction avec 4 tours. En contrepartie, l’espace libéré au sol permet d’offrir le plus grand jardin.

Le projet n°2 est un compromis, avec une seule tour de 110 mètres de haut, il reste dense mais moins que le projet n°1 tout en permettant de conserver un grand espace vert de 12 000 mètres carrés tout en offrant plus de surfaces de commerces et surtout un belvédère public offrant une vue panoramique sur la région parisienne.

Le projet n°3 ne comporte pas de tour, mais de fait, c’est celui qui a le plus d’emprise au sol malgré la réduction de la surface constructible. Surtout il n’offre qu’un petit jardin public en comparaison des 2 autres projets. Seule la surface des commerces est revue à la hausse

A mon goût, le projet n°2 est celui qui offre le meilleur compromis avec un grand jardin public et des commerces et surtout un belvédère public avec une vue imprenable sur la région parisienne qui devrait devenir le point d’attraction de l’Ile Seguin et plus largement de la ville de Boulogne-Billancourt et de la région, comme l’est actuellement la Tour Eiffel pour Paris.


Manuel
Manuel

Consultant le jour, blogueur la nuit. Curieux par nature, je passe ma vie à chercher de nouvelles choses et à partager ma passion pour le design sous toutes ses formes sur ce blog.

    46 replies to "[Sondage] Votez pour l’un des 3 projets de Jean Nouvel pour l’Ile Seguin"

    • Ümür

      En tant qu’habitante de Boulogne B, je voterais pour le projet N°2, je trouve qu’il est un bon compromis entre espaces verts, espaces culturels, habitations et commerces. En plus, l’architecture globale me semble être la attractive.

    • Manuel

      Petit point sur le sondage : Pour le moment le choix est très serré entre le projet 1 et le projet 2 : 45,98% pour le projet n°1 vs 44,83% pour le projet n°2. Le projet n°3 (sans tour) est à la traine avec seulement 9% des votes.

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