This notice replaces prior notice 2025/S 000-024077 issued on 21/05/2025. The procurement is now being conducted as a Competitive Flexible Procedure in accordance with the Procurement Act 2023. The Boston Barrier comprises a group of over 100 individual assets including a radial gate flood barrier, which between them protect more than 14,000 residential properties and 800 commercial and community buildings. Since being active the barrier and associated assets have been operated and maintained under an NEC Term Service Contract. The current contract is expected to end in June 2027 and to ensure the continuing readiness of the gate and associated assets a new service contract for their long-term operation and maintenance is required. The Tender will be split into the following high-level stages: Stage One – Pre-Selection Stage. This will consist of the following requirements: • 1A: Procurement Specific Questionnaire (PSQ), including Conditions of Participation (CoP). • 1B: A Mini-Technical Envelope (Scored), which will be used to down-select suppliers. Stage Two – Invitation to Tender (ITT) Stage. This will likely include a site visit and will consist of the following requirements: • 2A: Quality Envelope (including Social Value) • 2B: Price (Commercial Envelope) (OPTIONAL) Stage Three – Final Clarification and Negotiation interviews and/or presentations. Full details of the Procurement Process and instructions will be detailed in the tender notice at the point of issue. Please note: The Authority may update or amend this Notice including all dates. The tender date stated is an estimate only at this stage. Additional information can be obtained from the above-mentioned address. Tenders or requests to participate will need to be submitted electronically, this electronic communication requires the use of tools and devices that are not generally available. Unrestricted and full direct access to these tools and devices is possible, free of charge, at https://defra-family.force.com/s/Welcome.