{"name": "ZAC Grande Borne Ouest", "slug": "zac-grande-borne-ouest-bc6235425fc62a37", "as_of": "2026-10-04T12:55:42.438314+00:00", "depth": "basic", "facts": {"name": {"value": "ZAC Grande Borne Ouest", "rights": "facts_only", "source": {"url": "https://www.igedd.developpement-durable.gouv.fr/IMG/pdf/2_-_creation_de_la_zac_de_la_grande_borne_ouest_a_grigny_et_viry-chatillon_91__cle516f41-1.pdf", "name": "IGEDD environmental authority native opinion text", "origin": "live", "checksum": "4d64970b03b2b94a7cb9d401acc7084deb1020e882c9002cad194b29aa728b91", "observed_at": "2026-10-04T12:10:44.781460+00:00", "revision_id": "f162d2d9-8145-4a6f-8a1f-38f483dcc98a", "published_at": null}, "locator": "page:1", "claim_id": "b88ef70b-69f6-437d-bf88-4b52f188a7c9", "modality": "reported", "confidence": 0.9, "valid_from": null, "attribution": "IGEDD/Ae own dated environmental opinion with attributed project dossier facts", "evidence_id": "4891c332-18ff-436c-88c1-240db3c9e8a7", "valid_until": null, "assertion_id": "70e1a3d6-92cb-4203-aff9-1405d292fd62", "temporal_expression": "", "extraction_confidence": 0.9}, "scope": {"value": "The 34-hectare zone includes the Places Hautes and M\u00e9ridien sectors of Grande Borne, an area extending northeast to the Buffle\u2013Autruche\u2013P\u00e9gase school group and Am\u00e9d\u00e9e Gordini T12 tram stop, and a mixed housing-and-economic-activity strip between RD 445 and route de Fleury. Planned works include demolishing 414 residential units on the Places Hautes slab and building about 375 new homes, shops and activity space; demolishing the southeast gable of Grand M\u00e9ridien and its ten homes to extend rue Toussaint Louverture; and remaking public spaces and streets. RD 445 is to be reconfigured as an urban boulevard with two traffic lanes in each direction, a central TZen 4 corridor, bidirectional cycle facilities and planted stormwater swales. The project also refers to rehabilitation of 480 M\u00e9ridien homes, but the opinion says the dossier does not consistently or comprehensively include rehabilitation and residentialisation of retained buildings; those landlord-led operations are not fully described in the project impact assessment.", "rights": "facts_only", "source": {"url": "https://www.igedd.developpement-durable.gouv.fr/IMG/pdf/2_-_creation_de_la_zac_de_la_grande_borne_ouest_a_grigny_et_viry-chatillon_91__cle516f41-1.pdf", "name": "IGEDD environmental authority native opinion text", "origin": "live", "checksum": "4d64970b03b2b94a7cb9d401acc7084deb1020e882c9002cad194b29aa728b91", "observed_at": "2026-10-04T12:10:44.781460+00:00", "revision_id": "f162d2d9-8145-4a6f-8a1f-38f483dcc98a", "published_at": null}, "locator": "page:3", "claim_id": "ac2452c5-da79-4c5f-8188-32a376a86293", "modality": "planned", "confidence": 0.9, "valid_from": null, "attribution": "IGEDD/Ae own dated environmental opinion with attributed project dossier facts", "evidence_id": "426c1ea8-cff0-4e5f-b494-ef2e9366198c", "valid_until": null, "assertion_id": "8cf44199-1a3d-4188-8187-c95de2a329b9", "temporal_expression": "", "extraction_confidence": 0.9}, "ecology": {"value": "The plan includes increased planting, permeable areas, planted swales and an intended ecological connection toward the Sapini\u00e8re. The environmental authority says that planting choices, ecological functions and implementation and monitoring details remain insufficiently specified.", "rights": "facts_only", "source": {"url": "https://www.igedd.developpement-durable.gouv.fr/IMG/pdf/2_-_creation_de_la_zac_de_la_grande_borne_ouest_a_grigny_et_viry-chatillon_91__cle516f41-1.pdf", "name": "IGEDD environmental authority native opinion text", "origin": "live", "checksum": "4d64970b03b2b94a7cb9d401acc7084deb1020e882c9002cad194b29aa728b91", "observed_at": "2026-10-04T12:10:44.781460+00:00", "revision_id": "f162d2d9-8145-4a6f-8a1f-38f483dcc98a", "published_at": null}, "locator": "page:7", "claim_id": "b804b4dd-d604-4872-8347-1b4707771722", "modality": "planned", "confidence": 0.9, "valid_from": null, "attribution": "IGEDD/Ae own dated environmental opinion with attributed project dossier facts", "evidence_id": "17030cb8-c7b0-4ef5-ac56-cb45902c37ab", "valid_until": null, "assertion_id": "d26aaafb-b4e1-4ed1-bd58-a53d4c54b6d3", "temporal_expression": "", "extraction_confidence": 0.9}, "activity": {"value": "Urban renewal and mixed-use development, combining housing replacement, commercial and economic activities, street and public-space improvements, and transport-related infrastructure.", "rights": "facts_only", "source": {"url": "https://www.igedd.developpement-durable.gouv.fr/IMG/pdf/2_-_creation_de_la_zac_de_la_grande_borne_ouest_a_grigny_et_viry-chatillon_91__cle516f41-1.pdf", "name": "IGEDD environmental authority native opinion text", "origin": "live", "checksum": "4d64970b03b2b94a7cb9d401acc7084deb1020e882c9002cad194b29aa728b91", "observed_at": "2026-10-04T12:10:44.781460+00:00", "revision_id": "f162d2d9-8145-4a6f-8a1f-38f483dcc98a", "published_at": null}, "locator": "page:3", "claim_id": "919e7be2-b2c4-47ed-ba84-f517023c0ce5", "modality": "planned", "confidence": 0.9, "valid_from": null, "attribution": "IGEDD/Ae own dated environmental opinion with attributed project dossier facts", "evidence_id": "426c1ea8-cff0-4e5f-b494-ef2e9366198c", "valid_until": null, "assertion_id": "06c4922e-cff8-4ec0-a3a3-682561925049", "temporal_expression": "", "extraction_confidence": 0.9}, "delivery": {"value": "The opinion reports that demolition of the Place de l\u2019Oiseau and Place de la Treille sub-sectors (187 homes) was planned for 2025\u20132026 and had begun; demolition of Place aux Herbes and Place du Quinconce (227 homes) was planned from 2028. These are report-date schedules, not confirmation of current progress.", "rights": "facts_only", "source": {"url": "https://www.igedd.developpement-durable.gouv.fr/IMG/pdf/2_-_creation_de_la_zac_de_la_grande_borne_ouest_a_grigny_et_viry-chatillon_91__cle516f41-1.pdf", "name": "IGEDD environmental authority native opinion text", "origin": "live", "checksum": "4d64970b03b2b94a7cb9d401acc7084deb1020e882c9002cad194b29aa728b91", "observed_at": "2026-10-04T12:10:44.781460+00:00", "revision_id": "f162d2d9-8145-4a6f-8a1f-38f483dcc98a", "published_at": null}, "locator": "page:6", "claim_id": "0209bfa4-ed6c-48a8-8b21-839b23edf498", "modality": "reported", "confidence": 0.9, "valid_from": null, "attribution": "IGEDD/Ae own dated environmental opinion with attributed project dossier facts", "evidence_id": "3c184c65-983c-4c6d-93cb-7babf54c1480", "valid_until": null, "assertion_id": "c058eafa-753d-44f3-ad9f-9033588d56a1", "temporal_expression": "", "extraction_confidence": 0.9}, "location": {"value": "Grande Borne, in Grigny and Viry-Ch\u00e2tillon, Essonne (department 91), \u00cele-de-France, France; the site is about 30 km south of Paris, beside the A6.", "rights": "facts_only", "source": {"url": "https://www.igedd.developpement-durable.gouv.fr/IMG/pdf/2_-_creation_de_la_zac_de_la_grande_borne_ouest_a_grigny_et_viry-chatillon_91__cle516f41-1.pdf", "name": "IGEDD environmental authority native opinion text", "origin": "live", "checksum": "4d64970b03b2b94a7cb9d401acc7084deb1020e882c9002cad194b29aa728b91", "observed_at": "2026-10-04T12:10:44.781460+00:00", "revision_id": "f162d2d9-8145-4a6f-8a1f-38f483dcc98a", "published_at": null}, "locator": "page:3", "claim_id": "fbd48828-0ec4-408a-bc79-3cf7cf5ecff4", "modality": "reported", "confidence": 0.9, "valid_from": null, "attribution": "IGEDD/Ae own dated environmental opinion with attributed project dossier facts", "evidence_id": "426c1ea8-cff0-4e5f-b494-ef2e9366198c", "valid_until": null, "assertion_id": "73d32954-88ee-4df6-b0ea-384304570e59", "temporal_expression": "", "extraction_confidence": 0.9}, "regulatory": {"value": "The ZAC was created by prefectural order on 18 March 2024 after public consultation. An environmental authorization process, including review under water legislation, was still being examined when the environmental-authority opinion was issued.", "rights": "facts_only", "source": {"url": "https://www.igedd.developpement-durable.gouv.fr/IMG/pdf/2_-_creation_de_la_zac_de_la_grande_borne_ouest_a_grigny_et_viry-chatillon_91__cle516f41-1.pdf", "name": "IGEDD environmental authority native opinion text", "origin": "live", "checksum": "4d64970b03b2b94a7cb9d401acc7084deb1020e882c9002cad194b29aa728b91", "observed_at": "2026-10-04T12:10:44.781460+00:00", "revision_id": "f162d2d9-8145-4a6f-8a1f-38f483dcc98a", "published_at": null}, "locator": "page:8", "claim_id": "d5b6c510-6cfd-4859-b319-561711bac282", "modality": "reported", "confidence": 0.9, "valid_from": null, "attribution": "IGEDD/Ae own dated environmental opinion with attributed project dossier facts", "evidence_id": "c1e64a3d-e4e3-4bed-a41d-5c2cc6ac4ccc", "valid_until": null, "assertion_id": "68891571-4156-4ad3-b480-433e83dab949", "temporal_expression": "", "extraction_confidence": 0.9}, "implementing_agency": {"value": "Grand Paris Am\u00e9nagement is identified as the am\u00e9nageur (development authority) for the ZAC.", "rights": "facts_only", "source": {"url": "https://www.igedd.developpement-durable.gouv.fr/IMG/pdf/2_-_creation_de_la_zac_de_la_grande_borne_ouest_a_grigny_et_viry-chatillon_91__cle516f41-1.pdf", "name": "IGEDD environmental authority native opinion text", "origin": "live", "checksum": "4d64970b03b2b94a7cb9d401acc7084deb1020e882c9002cad194b29aa728b91", "observed_at": "2026-10-04T12:10:44.781460+00:00", "revision_id": "f162d2d9-8145-4a6f-8a1f-38f483dcc98a", "published_at": null}, "locator": "page:5", "claim_id": "48c04aea-c75f-4716-9141-cc81193c9b1a", "modality": "reported", "confidence": 0.9, "valid_from": null, "attribution": "IGEDD/Ae own dated environmental opinion with attributed project dossier facts", "evidence_id": "fa2b03b2-f850-4878-a799-3e06a1e2daff", "valid_until": null, "assertion_id": "dace8e9a-4f6c-4fe2-9975-2ff65c2bec09", "temporal_expression": "", "extraction_confidence": 0.9}}, "origin": "snapshot", "revision": 1, "timeline": [], "is_sample": false, "project_id": "a039ee3f-c6ae-4db7-809c-1efb1410a1f6", "publication": {"local_only": false, "reviewed_at": "2026-10-16T06:56:33.030505+00:00", "indexability": "noindex", "buying_window": "unknown", "policy_version": "accepted-destination-v1", "template_version": "dossier-v1"}, "public_summary": "An environmental-authority opinion adopted on 25 September 2025 describes the ZAC Grande Borne Ouest, a 34-hectare urban renewal and mixed-use project in Grigny and Viry-Ch\u00e2tillon. Grand Paris Am\u00e9nagement is identified as its development authority. The plan combines housing replacement, commercial and economic uses, public-space and street works, and transport-related infrastructure. \n\nThe opinion reports that the ZAC was created by prefectural order on 18 March 2024, while environmental authorization was still under examination when the opinion was issued. Its review also notes that the project dossier did not fully cover rehabilitation and residentialisation of retained buildings, and that several ecological design and monitoring details remained insufficiently specified.", "schema_version": "1.0", "public_unknowns": ["The opinion does not establish the outcome or date of the environmental authorization; it reports that the process was still under examination when issued on 25 September 2025.", "The final scope, schedule and assessed impacts of rehabilitation and residentialisation of retained homes remain unclear in the opinion; it notes incomplete project coverage and differing descriptions of rehabilitation.", "The opinion identifies outstanding detail on planting choices, ecological functions and monitoring of proposed measures.", "The demolition schedules in the opinion are report-date plans, not confirmation of current progress."], "evidence_observed_at": "2026-10-04T12:10:44.781460+00:00", "knowledge_reviewed_at": "2026-10-16T06:56:33.030505+00:00", "decisive_evidence_observed_at": "2026-10-04T12:10:44.781460+00:00", "export_metadata": {"publisher": "CapexCue", "project_title": "ZAC Grande Borne Ouest", "original_project_title": "ZAC Grande Borne Ouest", "canonical_url": "https://capexcue.com/projects/zac-grande-borne-ouest-bc6235425fc62a37/", "release": {"id": "18c6e113-4b57-453d-92c7-686cc80e5473", "number": 1, "published_at": "2026-10-16T06:56:35.279051+00:00"}, "release_reference": "release 1 (18c6e113-4b57-453d-92c7-686cc80e5473)", "current_dossier_url": "https://capexcue.com/projects/zac-grande-borne-ouest-bc6235425fc62a37/", "citation": "CapexCue \u2014 ZAC Grande Borne Ouest \u2014 dossier released 2026-10-16T06:56:35.279051+00:00, release 1 (18c6e113-4b57-453d-92c7-686cc80e5473) \u2014 https://capexcue.com/projects/zac-grande-borne-ouest-bc6235425fc62a37/.", "edition_note": "This file records the release identified above; visit the current dossier for later updates.", "presentation": {"version": "dossier-presentation-v7", "project_milestones": [], "project_category": {"basis": "codex_retained_dossier_curation", "value": "social_infrastructure", "support": {"end": 1037, "start": 0, "sources": [{"url": "https://www.igedd.developpement-durable.gouv.fr/IMG/pdf/2_-_creation_de_la_zac_de_la_grande_borne_ouest_a_grigny_et_viry-chatillon_91__cle516f41-1.pdf", "name": "IGEDD environmental authority native opinion text", "origin": "live", "checksum": "4d64970b03b2b94a7cb9d401acc7084deb1020e882c9002cad194b29aa728b91", "observed_at": "2026-10-04T12:10:44.781460+00:00", "revision_id": "f162d2d9-8145-4a6f-8a1f-38f483dcc98a", "published_at": null}], "modality": "planned", "predicate": "scope", "raw_value": "The 34-hectare zone includes the Places Hautes and M\u00e9ridien sectors of Grande Borne, an area extending northeast to the Buffle\u2013Autruche\u2013P\u00e9gase school group and Am\u00e9d\u00e9e Gordini T12 tram stop, and a mixed housing-and-economic-activity strip between RD 445 and route de Fleury. Planned works include demolishing 414 residential units on the Places Hautes slab and building about 375 new homes, shops and activity space; demolishing the southeast gable of Grand M\u00e9ridien and its ten homes to extend rue Toussaint Louverture; and remaking public spaces and streets. RD 445 is to be reconfigured as an urban boulevard with two traffic lanes in each direction, a central TZen 4 corridor, bidirectional cycle facilities and planted stormwater swales. The project also refers to rehabilitation of 480 M\u00e9ridien homes, but the opinion says the dossier does not consistently or comprehensively include rehabilitation and residentialisation of retained buildings; those landlord-led operations are not fully described in the project impact assessment.", "statement": "The 34-hectare zone includes the Places Hautes and M\u00e9ridien sectors of Grande Borne, an area extending northeast to the Buffle\u2013Autruche\u2013P\u00e9gase school group and Am\u00e9d\u00e9e Gordini T12 tram stop, and a mixed housing-and-economic-activity strip between RD 445 and route de Fleury. Planned works include demolishing 414 residential units on the Places Hautes slab and building about 375 new homes, shops and activity space; demolishing the southeast gable of Grand M\u00e9ridien and its ten homes to extend rue Toussaint Louverture; and remaking public spaces and streets. RD 445 is to be reconfigured as an urban boulevard with two traffic lanes in each direction, a central TZen 4 corridor, bidirectional cycle facilities and planted stormwater swales. The project also refers to rehabilitation of 480 M\u00e9ridien homes, but the opinion says the dossier does not consistently or comprehensively include rehabilitation and residentialisation of retained buildings; those landlord-led operations are not fully described in the project impact assessment.", "qualifications": {"attribution": "IGEDD/Ae own dated environmental opinion with attributed project dossier facts"}}, "label": "Social infrastructure", "icon": "person"}, "project_metadata": {"version": "released-metadata-v7", "category": {"basis": "codex_retained_dossier_curation", "value": "social_infrastructure", "support": {"end": 1037, "start": 0, "sources": [{"url": "https://www.igedd.developpement-durable.gouv.fr/IMG/pdf/2_-_creation_de_la_zac_de_la_grande_borne_ouest_a_grigny_et_viry-chatillon_91__cle516f41-1.pdf", "name": "IGEDD environmental authority native opinion text", "origin": "live", "checksum": "4d64970b03b2b94a7cb9d401acc7084deb1020e882c9002cad194b29aa728b91", "observed_at": "2026-10-04T12:10:44.781460+00:00", "revision_id": "f162d2d9-8145-4a6f-8a1f-38f483dcc98a", "published_at": null}], "modality": "planned", "predicate": "scope", "raw_value": "The 34-hectare zone includes the Places Hautes and M\u00e9ridien sectors of Grande Borne, an area extending northeast to the Buffle\u2013Autruche\u2013P\u00e9gase school group and Am\u00e9d\u00e9e Gordini T12 tram stop, and a mixed housing-and-economic-activity strip between RD 445 and route de Fleury. Planned works include demolishing 414 residential units on the Places Hautes slab and building about 375 new homes, shops and activity space; demolishing the southeast gable of Grand M\u00e9ridien and its ten homes to extend rue Toussaint Louverture; and remaking public spaces and streets. RD 445 is to be reconfigured as an urban boulevard with two traffic lanes in each direction, a central TZen 4 corridor, bidirectional cycle facilities and planted stormwater swales. The project also refers to rehabilitation of 480 M\u00e9ridien homes, but the opinion says the dossier does not consistently or comprehensively include rehabilitation and residentialisation of retained buildings; those landlord-led operations are not fully described in the project impact assessment.", "statement": "The 34-hectare zone includes the Places Hautes and M\u00e9ridien sectors of Grande Borne, an area extending northeast to the Buffle\u2013Autruche\u2013P\u00e9gase school group and Am\u00e9d\u00e9e Gordini T12 tram stop, and a mixed housing-and-economic-activity strip between RD 445 and route de Fleury. Planned works include demolishing 414 residential units on the Places Hautes slab and building about 375 new homes, shops and activity space; demolishing the southeast gable of Grand M\u00e9ridien and its ten homes to extend rue Toussaint Louverture; and remaking public spaces and streets. RD 445 is to be reconfigured as an urban boulevard with two traffic lanes in each direction, a central TZen 4 corridor, bidirectional cycle facilities and planted stormwater swales. The project also refers to rehabilitation of 480 M\u00e9ridien homes, but the opinion says the dossier does not consistently or comprehensively include rehabilitation and residentialisation of retained buildings; those landlord-led operations are not fully described in the project impact assessment.", "qualifications": {"attribution": "IGEDD/Ae own dated environmental opinion with attributed project dossier facts"}}}, "input_hash": "374f58671f16d69a8e1ae5dab2427d20994661145e6aac2bef5dc6d35e54e67c", "release_id": "18c6e113-4b57-453d-92c7-686cc80e5473", "type_codes": [], "field_states": {"type": {"state": "unknown_after_assessment", "reason": "Grigny and Viry-Chatillon, France are explicit; housing-led neighborhood renewal with public-space/road works. Retained-building scope remains qualified; no registered housing/regeneration type."}, "region": {"state": "accepted", "reason": "derived_from_accepted_countries"}, "country": {"state": "accepted", "reason": "supported_physical_country"}, "category": {"state": "accepted", "reason": "Grigny and Viry-Chatillon, France are explicit; housing-led neighborhood renewal with public-space/road works. Retained-building scope remains qualified; no registered housing/regeneration type."}}, "region_codes": ["europe"], "release_hash": "b4169a734972cd3a7e5e95ceebde86874ce8de07370f300d25725d4c836ec11c", "assessment_id": "751783b3-9afb-464d-abe5-20b17b898b00", "country_codes": ["FR"], "assessment_hash": "7f929662c2d0b3d3667d05e1f192bfb8772c3b37e183fd66e95f515eed000e75", "country_label": "France", "region_label": "Europe", "type_labels": []}, "date_note": "Project event times are distinct from source publication, observation and dossier release dates. An elapsed plan does not establish completion."}}}