{"id":260326,"date":"2024-03-15T16:00:11","date_gmt":"2024-03-15T15:00:11","guid":{"rendered":"https:\/\/anma.fr\/projects\/town-entrance-and-briere-urbaine\/"},"modified":"2025-05-23T15:37:20","modified_gmt":"2025-05-23T13:37:20","slug":"town-entrance-and-briere-urbaine","status":"publish","type":"project","link":"https:\/\/anma.fr\/en\/projects\/town-entrance-and-briere-urbaine\/","title":{"rendered":"Town entrance and Bri\u00e8re Urbaine"},"content":{"rendered":"
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marine submersion<\/b>
territory resilience<\/h2>\n

 <\/p>\n

On the Marais de Bri\u00e8re site in Saint-Nazaire, an area of transition between the city center and its Grand Port Maritime, the urban study carried out by ANMA proposes adapting urban and architectural forms to cope with the risk of marine submersion.<\/p>\n

With the support of Urban Water and Algoe, the agency is looking to the future of the area to rethink the coherence of the landscape and the urban environment, in order to cohabit with the natural cycle of the sea.<\/p>\n

Covering an area of 500 hectares, the project involves two levels of reflection: a long-term approach to the programming and urban transformation of the city’s northern entrance; and a more micro-scale approach, focusing on specific transformations through short-term operations.<\/p><\/div>\n\t\t\t<\/div>

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Extension of marshland<\/b>
Natural water cycle<\/h2>\n

 <\/p>\n

The long-term vision is to restore the artificial, impermeable soil to its role as a sponge against flooding. The project recreates a wetland area as close as possible to the biotope of the neighboring marsh, restoring water to its original place and role – in the service of the site’s biodiversity. <\/p>\n

This extension to the Bri\u00e8re marshes will be able to receive water from the sea and runoff, as it has been designed as a natural hydraulic machine through the renaturation of the site.<\/p>\n

Short-term changes are located in this at-risk zone, and incorporate the main hydraulic principles of the natural cycle of the sea in the area. The requalification of the Grand Large commercial zone and the new Halluard Gautier district are being developed as the first step in adapting this area to the risk of submersion, as a vector for renaturation and new architectural principles, adapted to the risks. <\/p><\/div>\n\t\t\t<\/div>

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New neighborhood<\/b>
New uses<\/h2>\n

 <\/p>\n

For the Halluard-Gautier district, ANMA and its team have drawn up a development plan that supports risk management and the diversification of uses. The agency set out the principles of a neighborhood that would reconstitute fertile soils to ensure resilience to flooding: <\/p>\n

– Creation of artificial embankments to recover the alluvial deposits of the Loire
– Deconstruction of hangars to give nature back its rightful place
– Raising of ground-floor houses
– Construction of buildings on stilts
– Reintroduction of soft mobility<\/p><\/div>\n\t\t\t<\/div>

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PROJECT<\/strong> TEAM<\/h2>\n

 <\/p>\n

PROJECT <\/strong>MANAGEMENT<\/strong>
<\/strong>Urban planner: ANMA
Programming: ALGOE
Hydraulics: Urban Water<\/p>\n

STUDIES
<\/strong>Agrippa Leenhardt
Pierre Bouilhol
S\u00e9bastien Moinet<\/p><\/div>\n\t\t\t<\/div>

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TECHNICAL<\/strong> SHEET<\/h2>\n

 <\/p>\n

MISSIONS
<\/strong>Programmatic and urban coherence study for the northern part of the conurbation<\/p>\n

Pre-operational study of the Halluard-Gautier district, to make it resilient to marine submersion<\/p>\n

Study on the redevelopment of the Grand Large commercial zone<\/p>\n

Urban feasibility of program insertion<\/p>\n

PROJECT MANAGEMENT
<\/strong>ADDRN<\/p>\n

SCHEDULE
<\/strong>2019-2022<\/p>\n

AREA
<\/strong>500 ha<\/p>\n

 <\/p>\n

SEE +
<\/strong>Annecy, Imagine and Draw Greater Annecy<\/a>
Bordeaux, Bordeaux 2050<\/a>
Toulon, Parc universitaire de la Garde la Valette<\/a>

<\/strong><\/p><\/div>\n\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\t<\/div>\t\t<\/div>\n\t<\/div>\n\t","protected":false},"excerpt":{"rendered":"

marine submersionterritory resilience   On the Marais de Bri\u00e8re site in Saint-Nazaire, an area of transition between the city center and its Grand Port Maritime, the urban study carried out by ANMA proposes adapting urban and architectural forms to cope with the risk of marine submersion. With the support of Urban Water and Algoe, the […]<\/p>\n","protected":false},"author":9,"featured_media":257511,"parent":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"project_category":[],"project_tag":[545],"metier":[491,492],"ville":[680],"prog":[498],"statut":[494],"annee":[510],"intervention":[487],"class_list":["post-260326","project","type-project","status-publish","has-post-thumbnail","hentry","project_tag-urban-planning"],"acf":{"choix_de_la_couleur_du_titre":"#ffffff"},"_links":{"self":[{"href":"https:\/\/anma.fr\/en\/wp-json\/wp\/v2\/project\/260326","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/anma.fr\/en\/wp-json\/wp\/v2\/project"}],"about":[{"href":"https:\/\/anma.fr\/en\/wp-json\/wp\/v2\/types\/project"}],"author":[{"embeddable":true,"href":"https:\/\/anma.fr\/en\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/anma.fr\/en\/wp-json\/wp\/v2\/comments?post=260326"}],"version-history":[{"count":2,"href":"https:\/\/anma.fr\/en\/wp-json\/wp\/v2\/project\/260326\/revisions"}],"predecessor-version":[{"id":260328,"href":"https:\/\/anma.fr\/en\/wp-json\/wp\/v2\/project\/260326\/revisions\/260328"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/anma.fr\/en\/wp-json\/wp\/v2\/media\/257511"}],"wp:attachment":[{"href":"https:\/\/anma.fr\/en\/wp-json\/wp\/v2\/media?parent=260326"}],"wp:term":[{"taxonomy":"project_category","embeddable":true,"href":"https:\/\/anma.fr\/en\/wp-json\/wp\/v2\/project_category?post=260326"},{"taxonomy":"project_tag","embeddable":true,"href":"https:\/\/anma.fr\/en\/wp-json\/wp\/v2\/project_tag?post=260326"},{"taxonomy":"metier","embeddable":true,"href":"https:\/\/anma.fr\/en\/wp-json\/wp\/v2\/metier?post=260326"},{"taxonomy":"ville","embeddable":true,"href":"https:\/\/anma.fr\/en\/wp-json\/wp\/v2\/ville?post=260326"},{"taxonomy":"prog","embeddable":true,"href":"https:\/\/anma.fr\/en\/wp-json\/wp\/v2\/prog?post=260326"},{"taxonomy":"statut","embeddable":true,"href":"https:\/\/anma.fr\/en\/wp-json\/wp\/v2\/statut?post=260326"},{"taxonomy":"annee","embeddable":true,"href":"https:\/\/anma.fr\/en\/wp-json\/wp\/v2\/annee?post=260326"},{"taxonomy":"intervention","embeddable":true,"href":"https:\/\/anma.fr\/en\/wp-json\/wp\/v2\/intervention?post=260326"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}