Defence Marine Services - Supply and Maintenance of Authority Moorings, Markers and Targets - AC

Ministry of Defence · awarded 23 May 2025

Who

Buyer	Ministry of Defence Portsmouth
Supplier	Briggs Marine Contractors Limited
Category	services
Classification	Marine services CPV 98360000
Notice published	7 January 2026

What it is for

The Contract covers the following services: the maintenance of moorings, target moorings and navigation marks owned by the Authority, the replacement of moorings and navigation marks with telemetry buoys and the sourcing, storage and supply of moorings and navigation mark components. The maintenance and replacement of moorings, target moorings and navigation marks service will be provided at various locations around the UK Coast including Gibraltar and Cyprus. The supply of moorings and navigation mark components to a UK based nominated point of departure to enable the Authority to transport to the Ascension Island and Falkland Islands. The Contract duration is envisaged to be 96 months. To facilitate service delivery the intent is to transfer ownership of an Authority owned vessel to the new service provider under a Contractor Owned Contractor Operated (COCO) agreement subject to equitable financial renumeration. This vessel and any other vessel operated under this contract shall be UK Flagged and Certified. The specification for the services will include the following: - Maintenance in accordance with the Mooring Maintenance Programme (MMP), a schedule of routine mooring and navigation mark maintenance to ensure moorings and navigation marks remain safe to operate. - A Moorings Replacement Programme (MRP) to replace moorings and navigation marks with telemetry buoys. The MRP will involve the total removal of the legacy mooring, the design and assurance of the new moorings, the procurement of replacement components and the installation and assurance of the new moorings. - The sourcing, storage, and delivery of components to an authority nominated UK point of departure, allowing the Authority to maintain moorings in Ascension Island and Falkland Islands.

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