Tender

Ask AI about this notice

Summarise, research or assess it with AI

View Markdown

Share this notice

Send this contract to a colleague

Supply & Install of Modular Treatment Equipment: Preliminary, Primary Filtration and Fixed Film Biological Systems

SEVERN TRENT WATER LIMITED

This public procurement record has 3 releases in its history.

TenderUpdate

28 Jul 2026 at 08:01

UK4 - Tender Notice
Tender

24 Jul 2026 at 15:32

UK4 - Tender Notice
Planning

23 Mar 2026 at 16:45

UK2 - Preliminary Market Engagement Notice
Summary of the contracting process

Severn Trent Water Limited, with Hafren Dyfrdwy Cyfyngedig, is procuring modular sewage-treatment equipment for utility projects across England. The requirement covers design, supply and installation of containerised or semi-modular systems that can be transported on flatbed vehicles and removed by roll-on/roll-off handling or craneage. The four lots cover preliminary inlet screening and optional grit, fats, oils and grease removal; primary filtration using belt or drum filters; and fixed-film biological treatment using submerged aerated filters or moving bed biofilm reactors for secondary, tertiary and alternating treatment. Equipment may be bought directly by the utilities and novated or free-issued to their capital-construction partners. Suppliers will develop site-specific solutions for individual call-offs, including controls, monitoring, ancillary equipment and integration with existing systems and SCADA.

The procurement has reached tender: the buyers invited offers through an open competitive flexible procedure. Suppliers first complete a Pre-Qualification Questionnaire, with the six highest-scoring suppliers in each lot shortlisted for the proposal stage; shortlisted bidders are then invited to submit a detailed Request for Proposal. The tender submission deadline was 21 August 2026 at 23:59 BST, with award planned by 30 November 2026. The framework is scheduled to run from 14 December 2026 to 14 December 2029, with a possible 1+1-year extension to 20 October 2031. Estimated net values are £2.5m for lot 1, £9.3m for lot 2, and £7m each for lots 3a and 3b; gross values are £3m, £11.16m and £8.4m respectively. Evaluation weights quality at 60%, sustainability at 10% and price at 30%.

This opportunity suits specialist wastewater-process equipment manufacturers, integrators and installation contractors, including SMEs. Strong candidates will be able to design, manufacture or supply, install and support modular treatment assets, then tailor proposals to different sites and flow or population-equivalent requirements. Relevant capability includes inlet screening, grit and fats, oils and grease removal, screenings dewatering, belt or drum filtration, submerged aerated filters, moving bed biofilm reactors, aeration, sludge handling, flow balancing, redundancy and wash-water systems. Suppliers need to provide safe, durable, low-maintenance equipment with reliable treatment performance, controls, monitoring and SCADA integration. Equipment and components must be new, fit for purpose and compliant with applicable British and European Standards, WIMES requirements and original-equipment-manufacturer specifications. Experience supporting utility call-offs and long-term service requirements will be relevant.

How relevant is this notice?

Notice Information

Notice Title

Supply & Install of Modular Treatment Equipment: Preliminary, Primary Filtration and Fixed Film Biological Systems

Notice Description

This tender process is for the provision of Supply & Install of Modular Treatment Equipment: Fixed-Film Biological, Preliminary and Primary Filtration Systems. A summary of the scope across all Lots forming part of this tender is stated below. The Modular Treatment framework will consist of suppliers who have the ability to design, supply & install containerised assets on a flatbed vehicle as a standalone solution either be removed via roll on/roll off functionality or craneage. This framework will also consider semi modular assets which are assembled/installed by the asset supplier and involve greater civil complexity due to these assets requiring partial burying, but typically without the requirement for additional shuttering that's associated with traditional concrete assets. These assets will either be purchased by the Utilities directly and the novated or free issued to the Utilities Capital Construction supply chain partners.

Lot Information

Modular, Preliminary Treatment Solutions

he Goods to be supplied under this Agreement shall comprise modular inlet screening solutions, with optional grit and/or FOG removal modules, for applications up to 100 l/s. The Supplier shall work with the Client to develop and finalise site-specific proposals under each Call Off Contract based on information provided by the Client. Solutions shall be containerised, modular, quick to install, durable, and designed to minimise operational and maintenance requirements, while enabling safe operation, monitoring, and integration with existing control and SCADA systems. Where required, solutions may also include grit removal, FOG removal, screenings dewatering, and associated ancillary equipment. All materials, equipment, and components supplied shall be new, fit for purpose, compliant with relevant British/European Standards, WIMES requirements, and OEM specifications. Full technical requirements, performance criteria, and detailed specifications are contained within the Technical Specification issued as part of the PQQ documentation.

Renewal: Option to extend framework 1+1 at the end of the initial period.

Modular Primary Filtration Solutions

The Goods to be supplied under this Agreement shall comprise modular primary filtration solutions, using belt or drum filters as an alternative to primary settlement tanks, for applications up to 100 l/s. The Supplier shall work with the Client to develop and finalise site-specific proposals under each Call Off Contract based on information provided by the Client. Solutions shall be capable of achieving the required suspended solids removal performance, operate with minimal manual intervention, and include all necessary ancillary equipment, controls, sludge handling, monitoring, and SCADA integration to support reliable operation. Depending on site requirements, solutions may also include redundancy, flow balancing, wash water systems, FOG mitigation measures, and long-term service support. All materials, equipment, and components supplied shall be new, fit for purpose, compliant with relevant British/European Standards, WIMES requirements, and OEM specifications. Full technical requirements, performance criteria, and detailed specifications are contained within the Technical Specification issued as part of the PQQ documentation.

Renewal: Option to extend framework 1+1 at the end of the initial period.

Modular, Fixed-film Biological Treatment Solutions - Secondary

he Goods to be supplied under this Agreement shall comprise modular fixed-film biological treatment solutions, including Submerged Aerated Filters (SAFs) and Moving Bed Biofilm Reactors (MBBRs), for secondary BOD reduction and secondary or tertiary ammonia removal. The Supplier shall work with the Client to develop and finalise site-specific proposals under each Call Off Contract based on information provided by the Client. Solutions shall be modular, containerised where appropriate, designed for efficient installation and operation, and include all necessary process equipment, controls, monitoring, sludge management, aeration requirements, and SCADA integration to achieve the required treatment performance across the specified population equivalent ranges. Depending on site requirements, solutions may also include blower systems, dissolved oxygen monitoring, multiple treatment zones, flow balancing, and parallel treatment arrangements. All materials, equipment, and components supplied shall be new, fit for purpose, compliant with relevant British/European Standards, WIMES requirements, and OEM specifications. Full technical requirements, performance criteria, sizing criteria, and detailed specifications are contained within the Technical Specification issued as part of the PQQ documentation.

Renewal: Option to extend framework 1+1 at the end of the initial period.

Modular, Fixed-film Biological Treatment Solutions - Tertiary & Alternating and non alternating

The Goods to be supplied under this Agreement shall comprise modular fixed-film biological treatment solutions, including Submerged Aerated Filters (SAFs) and Moving Bed Biofilm Reactors (MBBRs), for tertiary ammonia removal applications up to a nominal population equivalent of 15,000 PE. The Supplier shall work with the Client to develop and finalise site-specific proposals under each Call Off Contract based on information provided by the Client. Solutions shall be modular, containerised where appropriate, designed for efficient installation and operation, and include all necessary process equipment, controls, monitoring, aeration, sludge management, and SCADA integration to achieve the required treatment performance. Depending on site requirements, solutions may also include blower systems, dissolved oxygen monitoring, multiple treatment zones, flow balancing, and parallel treatment arrangements. All materials, equipment, and components supplied shall be new, fit for purpose, compliant with relevant British/European Standards, WIMES requirements, and OEM specifications. Full technical requirements, performance criteria, population equivalent sizing bands, and detailed specifications are contained within the Technical Specification issued as part of the PQQ documentation.

Renewal: Option to extend framework 1+1 at the end of the initial period.

Planning Information

We are keen to engage with interested suppliers to help design and tailor a sourcing strategy and procurement process that meets our requirement but is also suitable to the widest group of suppliers. Any future Tender Notice will be published and response to this pre market engagement is optional and does not contribute to any procurement process. We invite suppliers to complete the following form and we will be in touch: https://forms.office.com/e/tqnRV70vST

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-0671eb
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/070991-2026
Current Stage
Tender
All Stages
Planning, Tender

Procurement Classification

Notice Type
UK4 - Tender Notice
Procurement Type
Framework
Procurement Category
Goods
Procurement Method
Open
Procurement Method Details
Competitive flexible procedure
Tender Suitability
SME
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

42 - Industrial machinery

CPV Codes

42996000 - Machinery for the treatment of sewage

Notice Value(s)

Tender Value
£19,372,500 £10M-£100M
Lots Value
£25,800,000 £10M-£100M
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
28 Jul 20262 months ago
Submission Deadline
21 Aug 2026Expired
Future Notice Date
Not specified
Award Date
Not specified
Contract Period
14 Dec 2026 - 14 Dec 2029 3-4 years
Recurrence
Not specified

Notice Status

Tender Status
Active
Lots Status
Active
Awards Status
Not Specified
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
SEVERN TRENT WATER LIMITED
Additional Buyers

HAFREN DYFRDWY CYFYNGEDIG

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)

View full OCDS Record for this contracting process

JSON Markdown

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.

Loading OCDS record...