Source: https://tendernation.io/opportunities/01a13bcf-9cb6-70cf-b5ea-479a1347dcb4/telephony-and-resilience awarded GB open procedure # Telephony and Resilience [Portsmouth Water Limited](https://tendernation.io/buyers/portsmouth-water-limited) Estimated value Not stated Published 18 Mar 2026 Deadline Rolling deadline ## Who can bid - Sets up a framework Winning a place does not guarantee work: contracts are awarded later as call-offs, and the list usually stays closed for years. - Open procedure Anyone can submit a full tender; there is no shortlisting stage. ## About this tender 1.2.1PWL wishes to let a Contract to improve and extend its Telephony & Resilience capability. 1.2.2This procurement is to provide Portsmouth Water with a Supplier capable of providing the goods and services required to satisfy PW’s move away from PSTN lines to a more secure and longer lasting solution. 1.2.3The initial work required under the contract must be complete by January 2027. 1.2.4PWL requires a robust and secure digital communication infrastructure that ensures reliable connectivity across all designated Portsmouth Water sites, providing the continuous and secure connectivity required for Critical National Infrastructure. 1.2.5The Goods and Services required will support PWL’s Operational and Information Technology needs at least until August 2030 and potentially to August 2035. A more detailed discussion on the needs of PWL is contained in the Scope document 1.2.6The Contractor will be expected to collaborate with existing suppliers, where required by PW and to work with PWL on establishing a single supply chain provider without any interruption to the existing service. 1.2.7Portsmouth Water and the Contractor will implement a Service Level Agreement. This comprehensive SLA will guarantee responsive support for any issues related to the communication network, safeguarding the continuity of Portsmouth Water’s core service delivery at all times. 1.2.8The provided communication network shall facilitate seamless point-to-point connectivity between all Portsmouth Water’s approximately 48 sites, as outlined in the Scope Document 1.2.9The network shall be capable of segregating, prioritising, and reliably supporting data traffic generated by critical systems, including but not limited to: Telemetry (GEOSCADA), CCTV, solar arrays, and inter-site operational process data. Read full description ## CPV classification Mobile telephones Communications network Telecommunications network Wide area network Wireless telecommunications system Telephone network Installation of telephone lines Telecommunications services Public-telephone services Dedicated-business telephone network services Source Find a Tender (UK) · Notice ocds-h6vhtk-05cf4e-2026-03-18T12:22:44Z [View official notice](https://www.find-tender.service.gov.uk/Notice/ocds-h6vhtk-05cf4e-2026-03-18T12:22:44Z) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. 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