Source: https://tendernation.io/opportunities/01a13bc3-7657-7345-a9ec-a5dd9b70e091/fdsim-of-ultrasonic-river-flow-gauges-2025 awarded GB open procedure Suitable for SMEs # FDSIM of Ultrasonic River Flow Gauges 2025 [Environment Agency](https://tendernation.io/buyers/environment-agency) Estimated value £7,800,000 Published 9 Jan 2026 Deadline Closed 13 Oct 2025 ## Who can bid - Buyer says suitable for SMEs The buyer ticked “suitable for SMEs” on the notice. Anyone can still bid. - Split into 2 lots You can usually bid for just the lots you can deliver. - Open procedure Anyone can submit a full tender; there is no shortlisting stage. [More contracts for small businesses and VCSEs](https://tendernation.io/opportunities/for-small-businesses) ## About this tender ### Procurement Overview This procurement covers the feasibility, design, supply, installation, commissioning, and maintenance of ultrasonic transit time river flow gauges. These gauges are essential for flood warning systems and water resource management across major UK rivers. ### Contract Structure ### Procedure: Open Procedure under the Procurement Act 2023 Contract Type: Call-Off Contract under Mid-Tier Terms and Conditions Duration: 3 years fixed + 2 optional 12-month extensions (maximum 5 years) This procurement is for a Call-Off contract covering Two Lots: - Lot 1: Feasibility, design, supply, installation, and commissioning of new ultrasonic river flow gauges. - Lot 2: Maintenance and repair of both new and existing ultrasonic river flow gauges. The gauges are critical for flood warning systems and water resource management, especially at high-priority sites on major rivers such as the Thames, Severn, Trent and Mersey. ## CPV classification Environmental monitoring other than for construction Source Find a Tender (UK) · Notice ocds-h6vhtk-059bd5-2026-01-09T15:05:49Z [View official notice](https://www.find-tender.service.gov.uk/Notice/ocds-h6vhtk-059bd5-2026-01-09T15:05:49Z) 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. [Track tenders free](https://tendernation.io/register) [Buyer profile Environment Agency: past awards and live tenders](https://tendernation.io/buyers/environment-agency) [Sector More Sewage, refuse, cleaning & environmental tenders](https://tendernation.io/sectors/sewage-refuse-cleaning-environmental) ## More tenders like this [Non-hazardous refuse and waste treatment and disposal services – (135/2026) Procedura aperta, ai sensi dell'0art. 71 del D.Lgs. n. 36/2023, con aggiudicazione secondo il criterio del minor prezzo , ai sensi dell'art. 108, comma 3 del D.lgs. n. 36/2023, per la scelta del contraente cui affidare il servizio, di ritiro vuoto per pieno, trasporto e avvio a recupero dei rifiuti misti dell'attività di costruzione e demolizione classificati codice E.E.R. 17.09.04, div · Gare Amiu Genova · 10 days left · 29 Oct 2026](https://tendernation.io/opportunities/01a156aa-01ac-732f-a0a5-ba900c7ea4b4/italy-non-hazardous-refuse-and-waste-treatment-and-disposal-services-13520) [Building-cleaning services – Neteja i desinfecció d'edificis i equipaments municipals. · Ajuntament de Tossa de Mar · 30 days left · 18 Nov 2026](https://tendernation.io/opportunities/01a156a9-63e8-7185-992a-0e5dc4502aee/spain-building-cleaning-services-neteja-i-desinfeccio-dedificis-i-equipamen) [Non-hazardous refuse and waste treatment and disposal services – CTTE1252 Servicio de tratamiento de tierras y escombros de los puntos limpios del Área Metropolitana de Barcelona (AMB) · Tractament I Seleccio de Residus, S.A. · 35 days left · 23 Nov 2026](https://tendernation.io/opportunities/01a156a9-6639-72de-8298-21950a4e3639/spain-non-hazardous-refuse-and-waste-treatment-and-disposal-services-ctte125) [Refuse disposal and treatment – Separace kovů ze škváry · SAKO Brno, a.s. · 37 days left · 25 Nov 2026](https://tendernation.io/opportunities/01a156a9-ca8b-71b6-a1e0-90da1abc58dc/czechia-refuse-disposal-and-treatment-separace-kovu-ze-skvary) [Refuse and waste related services – Odbiór i przyjęcie do zagospodarowania odpadów · Zakład Gospodarki Komunalnej i Mieszkaniowej w Koronowie Sp. z o.o. · 36 days left · 24 Nov 2026](https://tendernation.io/opportunities/01a156aa-0f0f-71bc-8b26-f13445721c21/poland-refuse-and-waste-related-services-odbior-i-przyjecie-do-zagospodarowa) [Refuse and waste related services – „Odbiór i zagospodarowanie odpadów komunalnych od właścicieli nieruchomości zamieszkałych na terenie Gminy Secemin od 1 stycznia do 31 grudnia 2027 r.” · Gmina Secemin · 38 days left · 26 Nov 2026](https://tendernation.io/opportunities/01a156a9-6441-73e1-b701-ab4cefc99281/poland-refuse-and-waste-related-services-odbior-i-zagospodarowanie-odpadow)