--- title: "Maintenance and Repair of the CSID" ocid: "ocds-h6vhtk-066f90" canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-066f90" markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-066f90.md" json_url: "https://d3tenders.com/contract/ocds-h6vhtk-066f90.json" source: "Find A Tender Service" current_stage: "Planning" buyer: "MINISTRY OF DEFENCE" published: "2026-03-19" --- # Maintenance and Repair of the CSID Buyer: MINISTRY OF DEFENCE Current stage: Planning OCID: ocds-h6vhtk-066f90 [View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-h6vhtk-066f90) [Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-066f90.json) ## Summary The Ministry of Defence has initiated the planning stage for a tender aimed at securing services for the maintenance and repair of the Counter Seaborne Intruder Device (CSID) located at HMNB Clyde, Helensburgh, United Kingdom. This contract involves a comprehensive maintenance plan covering a period of two years, set to begin in April 2026, following the future notice date slated for 10 April 2026. The procurement falls under the category of repair and maintenance services for floating structures, with a planned contract value of £1,527,000 GBP. The CSID functions as a crucial physical security perimeter, protecting vital infrastructure and vessels. Interested suppliers may compete in this procurement via the RM6264 Dynamic Purchasing System facilitated through the Crown Commercial Service's eSourcing tool. This tender presents significant opportunities for businesses specialising in maritime maintenance and repair services, particularly those experienced with securing and maintaining floating structures. Suitable contractors would be well-positioned to leverage their expertise to meet the comprehensive requirements outlined in the tender, which includes asset surveys, general maintenance duties, inspections, and the facilitation of stakeholder audits. Companies with resources for sub-contracting independent surveys and offering a robust supply of personnel, vehicles, and equipment for 24/7 operational response will find ample potential for growth by servicing the Ministry of Defence's needs at HMNB Clyde. Proactive registration in the Dynamic Purchasing System is advised for businesses seeking to engage with this promising opportunity. ## Notice The Counter Seaborne Intruder Device (CSID) is a water-side physical security perimeter providing protection for infrastructure and vessels. A tender will be run to compete for the provision of 2 years of maintenance on the CSID. The Tender will be run via the RM6264 Dynamic Purchasing System through the Crown Commercial Service eSourcing tool. Suppliers are able to join the Dynamic Purchasing System at any time via the Supplier Registration page and are advised to do so at the earliest opportunity. The link to the Dynamic Purchasing System is available here: https://www.crowncommercial.gov.uk/agreements/RM6264 ### Lot Information Lot 1 The supplier is required to provide a Baseline Asset Survey / Report and Maintenance Schedule. General Maintenance duties will include washing of the CSID, inspections, measurements and photographic records. Removal of mooring buoys and/or Dunlop fenders. Mooring Equipment Condition Reports. Replacement of CSID Gate Strops. Dunlop Fender Pressure Checks. Maintenance of Gate Mooring Buoys, Hook Swivels and Hinge Swivels. Identification of Mooring defects. Facilitation of stakeholder inspections via suitable contractor provided vessels. Supply and installation of 5x Barrier Floats (25m length 2.35m diameter). Supplier will sub-contract an independent inspection report of the CSID in year two of the contract, facilitating the raising of all mooring buoys to be inspected. Contractor will provide copies of testing and commissioning certificates for new/repaired CSID components. Supplier is required to provide necessary personnel, vehicles, and equipment to enable transportation. The Contractor must provide a point of contact available 24 hours per day, 7 days per week, 365 days per year to function as the First Level response contact to provide telephone support. ## Key Details | Field | Value | | --- | --- | | Publication source | Find A Tender Service | | Latest notice | https://www.find-tender.service.gov.uk/Notice/025440-2026 | | Notice type | Planning Notice | | Procurement type | Dynamic | | Procurement category | Services | | Procurement method | Not Specified | | Procurement method details | Not specified | | Tender suitability | Not specified | | Awardee scale | Not specified | | All stages | Planning | ## Dates | Field | Value | | --- | --- | | Publication date | 19 Mar 2026 | | Submission deadline | Not specified | | Future notice date | 9 Apr 2026 | | Award date | Not specified | | Contract period | Not specified | | Recurrence | Not specified | ## Values | Field | Value | | --- | --- | | Tender value | £1,527,000 | | Lots value | Not specified | | Awards value | Not specified | | Contracts value | Not specified | ## Status | Field | Value | | --- | --- | | Tender status | Planned | | Lots status | Planned | | Awards status | Not specified | | Contracts status | Not specified | ## Buyer | Field | Value | | --- | --- | | Main buyer | MINISTRY OF DEFENCE | | Locality | HELENSBURGH | | Post town | Not specified | | Postcode | N/A | | Country | Not specified | | ITL 1 | Not specified | | ITL 2 | Not specified | | ITL 3 | Not specified | | Local authority | Not specified | | Electoral ward | Not specified | | Westminster constituency | Not specified | | Delivery location | TLM81 East Dunbartonshire, West Dunbartonshire, and Helensburgh and Lomond | ## CPV Codes ### Divisions - 50 - Repair and maintenance services ### Codes - 50246300 - Repair and maintenance services of floating structures ## Release History - 19 Mar 2026 at 16:43 - Planning - Planning Notice - https://www.find-tender.service.gov.uk/Notice/025440-2026 ## Notice URLs - https://www.crowncommercial.gov.uk/agreements/RM6264 - https://www.gov.uk/government/organisations/submarine-delivery-agency ## Provenance This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-h6vhtk-066f90. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-066f90.json.