Marine construction works – Design-build floating multi-use offshore platform for SEM-REV 2026 Tender
Original: Marine construction works – Conception-réalisation d'une plateforme offshore multi-usages flottante pour le site d'essais SEM-REV
Fondation OPEN-C
In context
This is a contract notice published by a foundation covering a mix of works, supplies and services. Delivery covers France (Europe). It is classified under Shipping and Maritime, Ocean and Blue Economy and Engineering and Infrastructure against the sustainability taxonomy rather than matched on keywords.
This tender procures the design, then construction, transport, installation and commissioning of a floating multi-use offshore platform for the SEM-REV marine test site, with an optional seabed observatory. It suits large marine construction and engineering consortia or shipyards, not small sustainability startups.
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About this tender
The Fondation OPEN-C is procuring the design and construction (conception-réalisation) of a floating Multi-Use Offshore Platform (POMU, Plateforme Offshore Multi-Usages) for the SEM-REV offshore test site. The contract is structured as a firm tranche for platform design, followed by a single optional tranche for realisation. The realisation tranche covers execution engineering, procurement of materials and equipment, construction of a new hull or conversion of an existing vessel, outfitting, temporary quayside storage, transport to the SEM-REV site, installation including anchoring and connection to the SEM-REV electro-optical network, and commissioning. A framework-style part (Partie à Bons de Commande) covers extension of temporary quayside storage, limited to ad hoc complementary services. An optional additional service (PSE, Prestation Supplémentaire Eventuelle) covers supply and installation of a connected seabed observatory. The expected duration is not stated in the available text.
Lots
- Lot 1: Firm tranche (Tranche Ferme): platform design
Design (conception) of the floating multi-use offshore platform (POMU).
- Lot 2: Optional tranche (Tranche Optionnelle): platform realisation
Execution studies, procurement of materials and equipment, construction of a new unit or conversion of an existing unit, outfitting, temporary quayside storage, transport to SEM-REV, installation including anchoring and grid connection, and commissioning.
- Lot 3: Framework part (Partie à Bons de Commande): quayside storage extension
Extension of temporary quayside storage, limited to ad hoc complementary services.
- Lot 4: Optional additional service (PSE): seabed observatory
Supply and implementation of a connected seabed observatory.
Key requirements
- ✓Design phase (firm tranche) followed by optional build tranche for the floating platform
- ✓Scope covers shipyard construction or conversion, fitting-out, transport, mooring installation and grid connection to SEM-REV
- ✓Optional seabed observatory (PSE) and call-off temporary quayside storage extension
Relevant sectors
About this sector
Shipping and maritime funding covers zero-emission vessels, alternative fuels, port electrification and efficiency retrofits. It comes from transport ministries, port authorities, research programmes and industry coalitions. Applicants are commonly asked to show vessel or port partners and a plan for fuel supply.
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