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Design, Supply and Delivery of Membrane Aerated Biofilm Reactor (MABR) systems

SEVERN TRENT WATER LIMITED

This public procurement record has 2 releases in its history.

PlanningUpdate

28 Aug 2026 at 16:11

UK2 - Preliminary Market Engagement Notice
Planning

28 Aug 2026 at 16:09

UK2 - Preliminary Market Engagement Notice
Summary of the contracting process

Severn Trent Water Limited is exploring the design, assembly, manufacture, supply, delivery and co-commissioning of Membrane Aerated Biofilm Reactor (MABR) systems for approximately 13 wastewater treatment sites across England. The core requirement includes design support, manufacture, supply, delivery and co-commissioning. The buyer is also considering whether suppliers could provide detailed design, installation, commissioning, optimisation and maintenance support. This is a goods procurement involving machinery for sewage treatment, with an associated air-quality management element (CPV 42996000 and 90731100). Delivery spans sites across the North East, North West, Yorkshire and the Humber, East Midlands, West Midlands, East of England, London, South East and South West of England. Severn Trent Water Limited is the buying organisation.

The process is at the planning stage: Severn Trent Water Limited is conducting market engagement to shape its procurement strategy, scope and future tender approach, rather than inviting bids. The buyer expects to use a framework agreement and has identified one lot, which is suitable for small and medium-sized enterprises. The planned contract period is from 31 March 2027 to 31 March 2031, with a possible extension to 31 March 2035. The buyer invited potential suppliers to complete a Market Engagement Questionnaire, with responses requested by 15 September 2026 at 14:00. Responses will inform the future procurement and will not be evaluated or used in any later tender assessment. The procurement is above the applicable threshold.

This will suit manufacturers, technology providers and engineering contractors with proven capability in membrane aerated biofilm reactor systems and wastewater treatment infrastructure. Relevant businesses are likely to be able to support the full equipment lifecycle, from system design and manufacture through delivery, installation, commissioning and operational optimisation. Suppliers able to provide maintenance support may also be well placed if that responsibility forms part of the eventual scope. The scale involves deployment across approximately 13 wastewater treatment sites, so organisations should be prepared to coordinate work across multiple locations and manage repeat installation or commissioning activities. Small and medium-sized enterprises are expressly considered suitable for the planned lot. The market engagement is an opportunity to help shape the requirements and prepare for the future tender.

How relevant is this notice?

Notice Information

Notice Title

Design, Supply and Delivery of Membrane Aerated Biofilm Reactor (MABR) systems

Notice Description

Severn Trent Water (STW) is undertaking a market engagement exercise to inform a future procurement for the design, assembly, supply, delivery and co-commissioning of Membrane Aerated Biofilm Reactor (MABR) systems across approximately 13 wastewater treatment sites. This exercise will inform procurement strategy, scope development and market understanding. Core scope includes design support, manufacture, supply, delivery and co-commissioning of MABR systems. STW is also exploring whether suppliers can undertake additional responsibilities such as detailed design, installation, commissioning, optimisation and maintenance support.

Planning Information

Potential suppliers are invited to review and complete the Market Engagement Questionnaire, available via the link below. Responses will be used solely to inform Severn Trent Water's procurement strategy, scope development, and future tender approach. Responses will not be evaluated and will not form part of any future procurement or tender assessment. Please submit your completed questionnaire by Tuesday 15th September 2026 by 14:00. Questionnaire Link - https://forms.cloud.microsoft/e/xC4JZPypVK

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-06eee1
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/082333-2026
Current Stage
Planning
All Stages
Planning

Procurement Classification

Notice Type
UK2 - Preliminary Market Engagement Notice
Procurement Type
Framework
Procurement Category
Goods
Procurement Method
Not Specified
Procurement Method Details
Not specified
Tender Suitability
SME
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

42 - Industrial machinery

90 - Sewage, refuse, cleaning and environmental services

CPV Codes

42996000 - Machinery for the treatment of sewage

90731100 - Air quality management

Notice Value(s)

Tender Value
Not specified
Lots Value
Not specified
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
28 Aug 20264 days ago
Submission Deadline
Not specified
Future Notice Date
15 Sep 20262 weeks to go
Award Date
Not specified
Contract Period
31 Mar 2027 - 31 Mar 2031 4-5 years
Recurrence
Not specified

Notice Status

Tender Status
Planning
Lots Status
Planning
Awards Status
Not Specified
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
SEVERN TRENT WATER LIMITED
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
COVENTRY
Postcode
CV1 2LZ
Postcode Area
Coventry
Country
England
Major Region (ITL 1)
TLG West Midlands (England)
Basic Region (ITL 2)
TLG3 West Midlands
Small Region (ITL 3)
TLG33 Coventry
Delivery Location
TLC North East (England), TLD North West (England), TLE Yorkshire and The Humber, TLF East Midlands (England), TLG West Midlands (England), TLH East (England), TLI London, TLJ South East (England), TLK South West (England)
Local Authority
Coventry
Electoral Ward
St Michael's
Westminster Constituency
Coventry South

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

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The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts.

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