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Water Network Management Services

AWE PLC

Awarded
services

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Key details

Contracting authority
AWE PLC
other
Region
READING
Contract value
£121,000,000ex VAT
Submissions closed
24 March 2025
Published
11 May 2026

Procurement

Contract period
1 July 2026 - 30 June 2036
10 years
Procedure type
Competitive procedure with negotiation (above threshold)
CPV classifications
  • 31161400 Primary water systems
  • 39370000 Water installations
  • 42912300 Machinery and apparatus for filtering or purifying water
  • 44161200 Water mains
  • 45231300 Construction work for water and sewage pipelines
  • 45232150 Works related to water-distribution pipelines
  • 45232151 Water-main refurbishment construction work
  • 45232430 Water-treatment work
  • 45240000 Construction work for water projects
  • 45252120 Water-treatment plant construction work
  • 45252126 Drinking-water treatment plant construction work
  • 45259100 Wastewater-plant repair and maintenance work
  • 45332200 Water plumbing work
  • 65100000 Water distribution and related services
  • 71355000 Surveying services
  • 90733400 Surface water treatment services

What happened

AWE PLC awarded this contract to Mitie Waste & Environmental Services Limited worth £121,000,000 on 1 Feb 2026. The contract runs until 30 Jun 2036.

Description

AWE is looking to award a contract for the management, maintenance and operation of AWE's water and waste water networks including upgrades to its existing capability. The services required will consist of:

  • Managing, maintaining and operating AWE's water networks in line with AWE site licence conditions, statutory legislation, regulations, and approved codes of practice (ACOPs)
  • Upgrade and optimise the water networks through the delivery of an agreed programme with AWE issued via a task order process
  • 24/7/365 response to maintain the availability of networks for AWE Operations and meet the requirements of AWE's business resilience plans
  • Provision other repairs/works as necessary to keep infrastructure operational in accordance with agreed KPIs
  • Provision of project resource, as required, to deliver the above, operating with AWE working practices and meeting legislative and regulatory requirements
  • Provision of sampling and analysis capabilities including access to UKAS approved laboratories to meet regulatory compliance
  • Manage, maintain and operate all equipment, supplies, spares and vehicles as is necessary to conduct the contract scope
  • Understand and meet evolving regulatory requirements to provide compliant water services in line with the private drinking water regulations.

In delivering the above, AWE is seeking the expertise of its chosen supplier to bring the necessary people, capability and technology to improve it's water networks and a supplier that can adapt to an evolving landscape as the network of buildings within the AWE site footprint changes during the contract term.

"Please register your interest in this procurement by emailing [email protected]. On registration of interest,

Bidders will be initially asked to complete an NDA and Security Assurance Questionnaire.

On successful conclusion of these documents, Bidders will be invited to a Pre-Qualifying Questionnaire (PQQ) stage with a deadline of 7th October 2024."

Additional information: AWE is seeking a single supplier to manage, maintain, operate and upgrade its water networks. In seeking bids, AWE requires the supplier to be able to meet all AWE requirements either directly or through the support of nominated sub-contractors.

To deliver a compliant bid, AWE requires that:

  • at least 80% of resources requiring Developed Vetting (DV) to be obtained by the Contract Commencement Date and the remainder within 26 weeks of Contract Award
  • all non-DV resources will need to be a minimum of Security Cleared (SC) at the time of Contract Commencement
  • ALL onsite resource will be British Nationals at the time of Contract Commencement

Awarded supplier

Supplier
Mitie Waste & Environmental Services Limited
Companies House: 08457483
Award value
£121,000,000
Award date
1 February 2026

Contact

Address
Room 20,Building F161.2 Atomi, C Weapons Establishment, Reading, RG74PR

Identifiers

Buyer reference
2582
Notice ID
54a2cb9c-a194-476d-84e0-f619b9acb21a-896580
OCID
ocds-b5fd17-329e9e90-1423-49fa-ace4-fa37b3e1e9d0

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External ID: cf-ocds-b5fd17-329e9e90-1423-49fa-ace4-fa37b3e1e9d0 • Added 11 May 2026