Defence Water Services Programme - UK4
Defence Infrastructure Organisation
Description
The Defence Infrastructure Organisation (DIO) on behalf of the Ministry of Defence (MOD), is looking to secure the provision of end-to-end WWW services for the MOD’s specified estate in England and Wales, through a single Managed Service Provider (MSP). MOD has a significant and geographically dispersed WWW estate in England and Wales with a combination of public supply and its own private water network. The Contract will go-live in 2 main stages with Wales and South-West England going first on 01 Dec 2028, with the rest of England on 30 Mar 2030, with the other smaller requirements going live as the Authority’s other contracts and agreements expire or earlier with the agreement of the MSP. The Defence Water Services Programme (DWSP) will deliver a single contract to effectively support, manage and assure supply chain WWW service provision, delivering a common user experience across the England and Wales estate. Due to the extent and dispersed nature of MOD WWW assets, the MSP will need to demonstrate all technical competencies required to deliver the full spectrum of WWW services which may include but may not be limited to: Operational Water and Wastewater Services Water Abstraction & Treatment Water Abstraction & Treatment Abstraction licensing management Water resource management Operation and maintenance of raw water reservoirs and water treatment works Provision of emergency water supplies and alternative supplies for security and resilience Long-term asset management planning Potable Water Distribution & Measurement Maintenance of water mains and service pipes Lead pipe replacement Operation and maintenance of service reservoirs, booster pumps and Pressure Reducing Valves (PRVs) Additional dosing Metering and measurement Pre-planned maintenance and reactive repairs Proactive investment planning Long-term asset management planning Non-Potable Water Systems (e.g. Fire Mains) Operation and maintenance of emergency water storage, dedicated fire mains, valves and hydrants, softened water systems and saltwater systems Pre-planned maintenance and reactive repairs Proactive investment planning Wastewater Collection (Sewerage & Pumping) Sewage collection and sewerage systems Operation and maintenance of sewage pumping stations, rising mains, combined sewer overflows Resolve sewer blockages and flooding Long-term asset management planning Wastewater Treatment & Discharge Sewage treatment Management of discharge consents/permits MCERTS calibration and reporting Sludge treatment and disposal Pre-planned maintenance and reactive repairs Proactive investment Long-term asset management planning Surface Water Systems Operation and maintenance of oil water interceptors, surface water sewers and surface water discharges Flood defences and surface water flooding management Reactive repairs Proactive investment Long-term asset management planning Helpdesk & Stakeholder Management 24/7 omnichannel helpdesk Incident management and emergency Water and Wastewater services Job triage, scheduling, and feedback Complaints resolution Performance management Water and Wastewater Sampling & Analysis Water and Wastewater quality sampling Specialist laboratory and testing Reporting Specific sampling and analysis services Water and Wastewater Management Services Statutory Undertaker (SU) & Retailer Charges SU relationship management Cost forecasting SU annual negotiations Maximum Daily Demand (MDD) tariffs management Management of trade effluent discharge consents Retailer contract negotiation Issue resolution Estate Development & Change Liaison with estate development teams and developers Approvals for WWW connections Acceptance and management of third-party assets Management of MOD Third-Party agreements Easements and access rights MOD customer management and charging Third party agreements and base separations Supplier Management …
- 65110000 Water distribution
- 50413200 Repair and maintenance services of firefighting equipment
- 50411100 Repair and maintenance services of water meters
- 45232450 Drainage construction works
- 71900000 Laboratory services
- 44482200 Fire hydrants
- 48444100 Billing system
- 44163100 Pipes
- 79993000 Building and facilities management services
- 38421100 Water meters
- 45232410 Sewerage work
- 45246400 Flood-prevention works
- 45246410 Flood-defences maintenance works
- 72253000 Helpdesk and support services
- 79112100 Stakeholders representation services
- 71314200 Energy-management services
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Source: Find a Tender Service — UK Cabinet Office. Open Government Licence v3.0. Updated 12 October 2026.