Source: https://tendernation.io/opportunities/01a13bcc-8144-700f-b876-6561a9f656f0/714655452-mss144-fresh-water-and-technical-water-production closed GB restricted procedure Suitable for SMEs # 714655452 - MSS/144 - Fresh Water and Technical Water Production [Defence Equipment and Support](https://tendernation.io/buyers/defence-equipment-and-support) Estimated value £65,000,000 Published 19 Mar 2026 Deadline Rolling deadline ## Who can bid - Buyer says suitable for SMEs The buyer ticked “suitable for SMEs” on the notice. Anyone can still bid. [More contracts for small businesses and VCSEs](https://tendernation.io/opportunities/for-small-businesses) ## About this tender 714655452 - MSS/144 – Fresh Water and Technical Water Production Description: Defence Equipment and Support (DE&S) is an arms’ length body of the Ministry of Defence, which delivers equipment and support services to the Royal Navy, British Army, and Royal Air Force. DE&S play a critical role in keeping the United Kingdom safe and prosperous, and making sure the front-line have the right kit at the right time. From fighter jets to food deliveries, from patrol boats to protective clothing, DE&S deliver effective and innovative kit to front-line forces. Within the DE&S structure, the Power Propulsion and Auxiliary (PPA) team is a technology area, working across different areas of defence to deliver and sustain systems that generate operational energy, to provide propulsion (e.g. prime movers/engines and transmissions fitted to platforms), and cross-cutting auxiliary systems, including life support, fire-fighting, medical, and catering equipment. PPA have a requirement to support and maintain the production of fresh (potable) water using reverse osmosis and distillation processes to support habitability, including drinking water and hotel services for its maritime environment. Additionally, the de-mineralised water has a technical use which currently supports a number of Royal Navy master equipments. The requirement will include the supply of permanent and consumable spares, repair and maintenance activities, technical and post design services (including obsolescence management and disposals), and supply chain management. The intended equipment scope of the contract will include support to the following Fresh Water/Technical water Production Master Equipment: - Reverse Osmosis Plants, - Evaporator / Distilling Units, - Fresh Water Embarkation Units, - Potable Fresh Water Dosing. The equipment included within the scope of the contract is mature technology developed from the commercial market over the last 30 years and is fitted to the current RN Fleet, RFA Fleet and other Foreign Navy vessels, and is widely used in commercial shipping, including tankers, cruise liners etc. This range of equipment is in the In-Service phase of the CADMID cycle. The contract consists of circa 1,500 line items, the majority of which are NATO codified. The equipment range encompasses multiple Original Equipment Manufacturer (OEM) supplied equipment. The level of support provided by OEMs ranges from the supply of spares only, through to technical support and repair. The management of OEMs will be the responsibility of the contractor. This tender notice is for the award of a public contract through a competitive flexible procedure in accordance with section 20(1) and (2)(b) of the Procurement Act 2023. It is considered a Defence and Security Contract due to its scope and therefore the relevant provisions of the Procurement Act 2023 relating to defence and security contracts are applicable. There will be a requirement for Post Design Services outside of the core requirement and a tasking process will be included for this. The Cyber Risk Profile for this requirement identified by the Cyber Risk Assessment is Level 3 (Expert) Reference - RAR-CKQ9-4ZV. It is anticipated that TUPE will apply to this requirement. Read full description ## CPV classification Non-drinking water Drinking water Machinery and apparatus for filtering or purifying water Water filtration apparatus Water-purifying apparatus Installation services of machinery and apparatus for filtering or purifying water Source Find a Tender (UK) · Notice ocds-h6vhtk-0504d5-2026-03-19T16:30:10Z [View official notice](https://www.find-tender.service.gov.uk/Notice/ocds-h6vhtk-0504d5-2026-03-19T16:30:10Z) 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 Defence Equipment and Support: past awards and live tenders](https://tendernation.io/buyers/defence-equipment-and-support) [Sector More Collected & purified water tenders](https://tendernation.io/sectors/water-supply) ## More tenders like this [Drinking water – Dostawa artykułów żywnościowych · Górnośląskie Centrum Medyczne im. prof. Leszka Gieca Śląskiego Uniwersytetu Medycznego w Katowicach · 2 days left · 21 Oct 2026](https://tendernation.io/opportunities/01a1405e-73d3-70f7-a3f6-c4a763b23e09/poland-drinking-water-dostawa-artykulow-zywnosciowych) [Drinking water – „Периодична доставка на бутилирани натурални минерални и изворни води и консумативи за нуждите на служебните офиси на Народното събрание по обособени позиции“ · НАРОДНО СЪБРАНИЕ · 21 days left · 9 Nov 2026](https://tendernation.io/opportunities/01a14063-0706-7276-ac40-5f907c0b2bc0/bulgaria-drinking-water-periodicna-dostavka-na-butilirani-naturalni-mineral) [Drinking water – Fourniture de pièces et outillages pour réseau d'eau potable et d'assainissement ( 4 lots) · Ca de Bethune Bruay Artois Lys Romane · 1 day left · 20 Oct 2026](https://tendernation.io/opportunities/01a14066-6933-71a8-9827-8a65538d4284/france-drinking-water-fourniture-de-pieces-et-outillages-pour-reseau-deau-p) [Non-drinking water – levering gemalen europakwartier TE almere poort · Gemeente Almere · 14 days left · 2 Nov 2026](https://tendernation.io/opportunities/01a14066-97e0-73f3-93b7-3c974e9e3920/netherlands-non-drinking-water-levering-gemalen-europakwartier-te-almere-poo)