{ "tag": [ "compiled" ], "id": "ocds-h6vhtk-065409-2026-03-19T10:41:13Z", "date": "2026-03-19T10:41:13Z", "ocid": "ocds-h6vhtk-065409", "initiationType": "tender", "parties": [ { "id": "GB-PPON-PXLY-5862-RMML", "name": "Historic England", "identifier": { "scheme": "GB-PPON", "id": "PXLY-5862-RMML" }, "address": { "streetAddress": "The Engine House", "locality": "Swindon", "postalCode": "SN22EH", "country": "GB", "countryName": "United Kingdom", "region": "UKK14" }, "contactPoint": { "email": "procurement-he@historicengland.org.uk", "name": "Sheena Charrett" }, "roles": [ "buyer" ], "details": { "classifications": [ { "id": "publicAuthorityCentralGovernment", "scheme": "UK_CA_TYPE", "description": "Public authority - central government" } ], "url": "http://www.historicengland.org.uk" } }, { "id": "GB-FTS-177775", "name": "Wessex Archaeology", "address": { "streetAddress": "Portway House", "locality": "Amesbury", "postalCode": "SP4 6EB", "country": "GB", "countryName": "United Kingdom", "region": "UKK15" }, "contactPoint": { "email": "info@wessexarch.co.uk", "telephone": "01722343867" }, "roles": [ "supplier" ], "details": { "url": "http://www.wessexarch.co.uk", "scale": "sme", "vcse": false } } ], "buyer": { "id": "GB-PPON-PXLY-5862-RMML", "name": "Historic England" }, "tender": { "id": "P/REF 00000538", "legalBasis": { "id": "2023/54", "scheme": "UKPGA", "uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents" }, "title": "ITT - CSM Demonstration Survey UID 218", "description": "The UK CSM Demonstration Survey is a major seabed survey that will take place in April-May 2026. 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