---
title: "Design and Build Contractors (Minor Works) Framework Agreement"
ocid: "ocds-h6vhtk-028ecc"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-028ecc"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-028ecc.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-028ecc.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "WESSEX WATER SERVICES LTD"
published: "2025-10-06"
---

# Design and Build Contractors (Minor Works) Framework Agreement

Buyer: WESSEX WATER SERVICES LTD  
Current stage: Award  
OCID: ocds-h6vhtk-028ecc

[View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-h6vhtk-028ecc)  
[Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-028ecc.json)

## Summary

Wessex Water Services Ltd conducted a procurement process for the "Design and Build Contractors (Minor Works) Framework Agreement" focused on water and sewage construction services in the UKK region. The procurement process, initiated as a selective negotiated procedure with prior call for competition, proceeded to the award and contract stage with completion marked on 6th October 2025. The tender was aimed at establishing a framework agreement for minor works projects involving refurbishments and maintenance across potable and wastewater facilities over an initial five-year period, with the potential for a three-year extension. The industry category for this procurement falls under works, specifically construction for water and sewage pipelines, with contracts signed on 24th September 2025.

This tender facilitates substantial opportunities for businesses involved in construction work for water and sewage pipelines. Companies providing mechanical and electrical services, civil engineering support, or pipeline design and maintenance will find this tender particularly beneficial. The procurement process is tailored for businesses that excel in delivering high-quality infrastructure development and refurbishment services. Companies looking to expand in the public sector and within the utility services market will find participation advantageous, especially those with expertise in works related to water-distribution pipelines and wastewater management systems. The contract inclusivity of SMEs alongside larger enterprises signifies a comprehensive opening for market players of various scales.

## Notice

Design and build (minor works) projects, covering potable and waste water, including new works and / or the refurbishment, replacement, and maintenance of existing assets including cyclical maintenance programmes.

### Lot Information

Non-Infrastructure Works (potable water and wastewater)

a) Potable water non-infrastructure scope includes, but is not limited to; i. Refurbishment, replacement and provision of new potable ground and surface water production assets such as enhanced slow sand filter performance, ii. Disinfection, surge protection, chemical dosing, pumping systems and supervisory control, iii. Run-to-waste facilities, cartridge filters and UV, iv. Increased power resilience, v. New service reservoirs and inspection and maintenance of existing service and storage reservoirs. b) Wastewater non-infrastructure scope includes, but is not limited to; i. Refurbishment, replacement and provision of new inlet screens, ii. MCC (Motor Control Centre) replacement and associated DNO (Distribution Network Operator) works, iii. Stormwater storage, iv. Event duration monitors, v. Settlement tanks, vi. Modular treatment equipment, vii. Digester roof replacement, viii. Chemical dosing, ix. Phosphorous removal, x. Odour control and increased power resilience.

Options: The Agreement will be for an initial term of 5 (five) years and may be extended for a further 3 (three) years (this may be in 12-month increments) to a maximum term of 8 (eight) years in total.

Infrastructure Works (potable water and wastewater)

a) Potable water infrastructure scope includes, but is not limited to; i. Distribution mains and lead communications pipe replacement, ii. Pressure management activities, iii. Inspection and maintenance of aqueducts, bridges and tunnels, iv. Reservoir maintenance and upgrades. b) Wastewater infrastructure programme includes, but is not limited to; i. New rising mains and their replacement, ii. Refurbishment of stormwater management systems (inc. Tanks, overflow channels, outlets etc), iii. Gravity solutions to maintain asset health and accommodate growth together with pipe bridge inspections, iv. Sustainable urban drainage (suds) and the need to respond effectively to emergency works that are generally pipeline related, v. Sewage pumping station refurbishments, enhanced power resilience, switchgear and transformer replacement

Options: The Agreement will be for an initial term of 5 (five) years and may be extended for a further 3 (three) years (this may be in 12-month increments) to a maximum term of 8 (eight) years in total.

Other Structures

For the Formwork, Reinforcement and Concrete works to form the new Primary Settlement Tanks and locally associated structures, as part of the Avonmouth FFT Increase project. This Lot 3 includes various pumping stations, plinths, pipe supports and chambers.

Options: The Framework Agreement may be extended for a further period of up to 3 years following the initial 5 year term.

Wastewater Infrastructure

Lot 4 - Wastewater Infrastructure. Wastewater Infrastructure requirements include, but are not limited to: * General civils work and maintenance of waste infrastructure * Repair/Replace Manhole covers, frames & chambers * Repair of damaged sewers and sewer collapses * Installation of Non-Return Valves & Tidal Flaps * Working under temporary works designs * Deep Excavations (+3m) * Rising Main Repairs

Options: The Framework Agreement may be extended for a further period of up to 3 years following the initial 5 year term.

Reservoirs

Lot 5 - Civils Support - Reservoirs. Scope includes, but are not limited to: * Pressure washing * Repair of damaged internal jointing and low cover steel * Removal of existing paint and re-painting * Removal and replacement of turf from roof * Installation of waterproof roof membrane and drainage * Roof reinstatement * Concrete works to renew upstands * New manhole construction * Refurbishment of existing manhole structures * Installation of gabion baskets for bank stabilisation * Repairs to bank * Modification of pipework * Updating reservoir hatches/covers * Installation of new sample lines and refurbishment of existing lines * Install pathways to sample lines and hatches * Upgrade or establish access track for turning and operational requirements * Upgrade and install fences and handrails

Options: The Framework Agreement may be extended for a further period of up to 3 years following the initial 5 year term.

Lot Lot 1 - M&E Contractors (Minor Works)

Requirements may include, but not be limited to the following: a) M&E Equipment Lifecycle Management: Planned refurbishments, replacements, and enhancements to extend asset life and performance. b) Mechanical Installations: Implementation of pipework, valves, and fittings to maintain and upgrade systems. c) Electrical Infrastructure: Execution of electrical connections, cabling, and containment to ensure reliable operations. d) Civil Engineering Works: Incidental minor civil works. e) Pumping and Booster Station Upgrades: Comprehensive updates to sewage and water supply pumping stations, encompassing panels and equipment. f) Environmental Monitoring Enhancements: Installation of new or improved systems for monitoring environmental parameters. g) Process Equipment Services: Provision and repair of equipment, including specialist design considerations. h) Commissioning and Automation: Services to ensure systems are functional, integrated, and automated for optimal operation. i) Reactive Maintenance: Rapid response to M&E failures, minimising downtime and preserving service integrity. j) Decommissioning Activities: Safe and compliant dismantling and removal of outdated M&E assets.

Options: Framework may be extended by a further 3 years following the initial 5 year period

Lot Lot 2 - Small Electrical Works

Requirements may include, but not be limited to the following: The repair, maintenance, and installation of electrical systems and components. Scope includes, but is not limited to: a) Repair and Installation: i. Small control panels ii. Generator repair and maintenance b) Renewal and Maintenance: i. Renewing cable and cable management systems ii. Repair or renewal of lighting, electric heaters, and stop buttons iii. Safe isolation, disconnection, and re-connection of electrical equipment c) Testing and Rewiring: i. Testing electrical systems for safety and efficiency ii. Rewiring of existing assets including buildings and temporary structures d) Incidental Works: i. Electrical tasks incidental to other works being undertaken by Wessex Water

Options: Framework may be extended by a further 3 years following the initial 5 year period

Lot Lot 3 - Small Mechanical Works

Requirements may include, but not be limited to the following: installation, repair, and maintenance of mechanical systems and equipment. Scope includes, but is not limited to: a) Large Process Equipment: i. Installation and repair of large skid-mounted pumps, blowers, compressors, motors, and screens ii. Installation and repair of motor, actuators, gearboxes, rollers, and submersible pumps b) Generator Repair and Maintenance: Comprehensive maintenance and repair services for generators c) Modification and Temporary Works: i. Small modification work to existing assets such as pipework ii. Installation of temporary instrumentation and equipment as needed d) Testing and Reinstallation: i. Testing mechanical systems and components for performance ii. Removal and reinstallation of existing assets, including free-issued items by Wessex Water e) Incidental Works: Mechanical tasks incidental to other works being undertaken by Wessex Water

Options: Framework may be extended by a further 3 years following the initial 5 year period

Lot Lot 1 - Mechanical Support

The scope of the Agreement is for the provision of skilled Mechanical and/or Electrical resource to undertake mechanical and electrical activities associated with Wessex Water's construction sites and operational sites/assets. This includes schemes for new works, refurbishment. works, replacement works or maintenance works. The projects will cover a wide range of potable and waste-water infrastructure improvement to offices, treatment works and other operational sites throughout the Wessex Water region. As such, the works include both planned programmes of work and reactive works and the individuals will work either: alongside Company personnel following the direction of the Site Manager; or, with a team leader as part of a gang; or, under the direction of a Wessex Water Site Manager. This Lot 1 is for the provision of skilled Mechanical resource to undertake various mechanical activities associated with Wessex Water's construction sites and operational sites/assets. Mechanical requirements include (but are not limited to): a) Installing metal and plastic/ABS pipework b) Mechanically installing pumping stations, actuated valves, skid mounted equipment, screens, wash water booster sets and filters

Options: Framework may be extended by a further 3 years following the initial 5 year period

Lot Lot 2 - Electrical Support

The scope of the Agreement is for the provision of skilled Mechanical and/or Electrical resource to undertake mechanical and electrical activities associated with Wessex Water's construction sites and operational sites/assets. This includes schemes for new works, refurbishment. works, replacement works or maintenance works. The projects will cover a wide range of potable and waste-water infrastructure improvement to offices, treatment works and other operational sites throughout the Wessex Water region. As such, the works include both planned programmes of work and reactive works and the individuals will work either: alongside Company personnel following the direction of the Site Manager; or, with a team leader as part of a gang; or, under the direction of a Wessex Water Site Manager. This Lot 2 is for the provision of skilled Electrical resource to undertake various electrical activities associated with Wessex Water's construction sites and operational sites/assets. Electrical requirements include (but are not limited to): a) Testing and Inspection of electrical circuits b) Glanding of SWA cables c) Terminating cabling

Options: Framework may be extended by a further 3 years following the initial 5 year period

Lot Lot 3 - M&E Staff

The scope of the Agreement is for the provision of skilled Mechanical and/or Electrical resource to undertake mechanical and electrical activities associated with Wessex Water's construction sites and operational sites/assets. This includes schemes for new works, refurbishment. works, replacement works or maintenance works. The projects will cover a wide range of potable and waste-water infrastructure improvement to offices, treatment works and other operational sites throughout the Wessex Water region. As such, the works include both planned programmes of work and reactive works and the individuals will work either: alongside Company personnel following the direction of the Site Manager; or, with a team leader as part of a gang; or, under the direction of a Wessex Water Site Manager. This Lot 3 is for the provision of skilled Mechanical and Electrical resource to undertake various M&E activities associated with Wessex Water's construction sites and operational sites/assets. Requirements include (but are not limited to): a) Leading projects b) Managing projects

Options: Framework may be extended by a further 3 years following the initial 5 year period

Lot Lot 4 - Mechanical & Incidental Civils Support

The scope of the Agreement is for the provision of skilled Mechanical and/or Electrical resource to undertake mechanical and electrical activities associated with Wessex Water's construction sites and operational sites/assets. This includes schemes for new works, refurbishment. works, replacement works or maintenance works. The projects will cover a wide range of potable and waste-water infrastructure improvement to offices, treatment works and other operational sites throughout the Wessex Water region. As such, the works include both planned programmes of work and reactive works and the individuals will work either: alongside Company personnel following the direction of the Site Manager; or, with a team leader as part of a gang; or, under the direction of a Wessex Water Site Manager. This Lot 4 is for the provision of skilled Mechanical and Civils resource to undertake various Mechanical activities which require an element of civils tasks to also be completed, associated with Wessex Water's construction sites and operational sites/assets. This includes all scope identified in Lot 1 Mechanical Support and any Civils work will only be carried out in conjunction with associated mechanical works taking place. Requirements include (but are not limited to): a) Concrete Plinths b) Paths, bollards and Kerb lines c) Small concrete bases for package plant d) Draw Pits and Ductwork e) Installation of buried pipework f) Minor modifications to existing structures g) Installation of a new pump inclusive of pump plinth and installation of tanks h) Site Investigation Works / Trial Pits i) Installation of temporary works

Options: Framework may be extended by a further 3 years following the initial 5 year period

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/062564-2025 |
| Notice type | Planning Notice |
| Procurement type | Framework |
| Procurement category | Works |
| Procurement method | Selective |
| Procurement method details | Negotiated procedure with prior call for competition |
| Tender suitability | Not specified |
| Awardee scale | Large, SME |
| All stages | Planning, Tender, Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 6 Oct 2025 |
| Submission deadline | Not specified |
| Future notice date | Not specified |
| Award date | 11 Sep 2024 |
| Contract period | Not specified |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| Lots value | Not specified |
| Awards value | Not specified |
| Contracts value | £65,000,000 |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Cancelled |
| Awards status | Active |
| Contracts status | Active |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | WESSEX WATER SERVICES LTD |
| Additional buyers | WESSEX WATER SERVICES LIMITED; YTL CONSTRUCTION (UK) LTD; YTL INFRASTRUCTURE (UK) LTD; YTL PLANT AND FLEET SOLUTIONS (UK) LTD; YTL UTILITIES (UK) LIMITED INCLUDING ALL SUBSIDIARIES |
| Locality | BATH |
| Post town | Bath |
| Postcode | BA2 7WW |
| Country | England |
| ITL 1 | TLK South West (England) |
| ITL 2 | TLK5 West of England |
| ITL 3 | TLK52 Bath & North East Somerset and South Gloucestershire |
| Local authority | Bath and North East Somerset |
| Electoral ward | Combe Down |
| Westminster constituency | Bath |
| Delivery location | TLK South West (England) |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 109 |
| Supplier names | ACCM SOUTHWEST; AMD ELECTRICAL; AMELIO UTILITIES; AQUA MANAGEMENT; AT GROUP (SW; AUSTIN'S CONTRACTORS; B WILTSHIRE ELECTRICAL; B WILTSHIRE ELECTRICAL LIMTED; B.W. CONTROLS; BARNFIELD ENGINEERING SERVICES; BARTLETT CONTRACTORS; BRIDGES (ELECTRICAL ENGINEERS; BW CONTROLS; C D READ BUILDING SERVICES; C SQUARED CONSTRUCT; C&N ELECTRICAL SERVICES; C. & P. ENGINEERING SERVICES; C.I.W ELECTRICAL SERVICES; C.I.W. ELECTRICAL SERVICES; CAMBRIAN CIVIL ENGINEERING; D.M.S. ENGINEERING; D.P. BURRIDGE (DEVELOPMENTS; DAVE LUCEY; DAVIS GROUNDWORKS; DEVON & CORNWALL DC POWER; DIRECT UTILITY SOLUTIONS; DOWLING & COSH; DOWLING AND COSH; E T M CONTRACTORS; EARTHSTONE CONSTRUCTION; ECOGENR8; EDRON ENGINEERING; ELECTRICAL & MECHANICAL SOLUTIONS; ELECTRICAL & PUMP SERVICES; ELECTRICAL AND PUMP SERVICES; ELG CIVIL AND MECHANICAL ENGENEERING; ELG CIVIL AND MECHANICAL ENGINEERING; ENVOLVE INFRASTRUCTURE; F W HUXTER GROUNDWORKS AND CIVIL ENGINEERING; FAIRFIELD ELECTRICAL 1971; FOREST ELECTRICAL SERVICES; GA UK GROUP; GALLIFORD TRY CONSTRUCTION; GEEMEC; GEL ENGINEERING; GLANVILLE CLEANSING; GOING GROUP; GREENWOOD CONSTRUCTION; H. M. ELECTRICAL SERVICES (1996; HANEVO; HERCULES SITE SERVICES; IES UTILITES GROUP; IES UTILITIES GROUP; INTEGRATED WATER SERVICES; IPSUM GROUP; J HARDY CIVILS; J M O'TOOLE; J. CARNEY CONSTRUCTION; J.J. ELECTRICAL; J.W. GROUNDWORKS; K. GREGORY CONSTRUCTION; KNOWLTON AND NEWMAN; LYNWOOD CIVIL ENGINEERING; MATTHEW LUKE PLUMBING & HEATING; MAX WRIGHT; MBBELLS; MBH INDUSTRIAL SERVICES; MCALLISTER BROS; MEM SITE SERVICES; MILDREN CONSTRUCTION; MILLS ENGINEERING SERVICES; MSEL SERVICES; NETWORK PLUS SERVICES; NIGHTJAR ENGINEERING AND CONSTRUCTION; NPB UTILITIES; OCU NORTHAVON GROUP; OCU UTILITY SERVICES; ONSITE CENTRAL; PEARCE & WYATT SERVICES; PEARCE AND WYATT SERVICES; PHIL BRIDGES & SON ELECTRICAL; PRO ELECTRO; PROMEC ENGINEERING; PUMP SUPPLIES; R HOWARD UTILITIES; R&W LANGLEY; RENN CONSULTANCY; RHAMES; S & A UTILITIES; S&S SOUTHWEST CONSTRUCTION; SAMATRIX; SAN ELECTRICAL; SDR METAL FABRICATIONS; SHERBORNE UTILITIES; SILON ENGINEERING AND CONSTRUCTION; SOUTH HEAT AND ELECTRICAL; STONBURY; SUTTLE PROJECTS; SWANSIDE; TJB PLANT HIRE; TORK; TOTAL AUTOMATED SOLUTIONS; TRANT ENGINEERING; UKSE GROUP; UNITED INFRASTRUCTURE WATER; UNITSPARK; VELTA CONSTRUCTION; WOODMACE CONCRETE STRUCTURES; XYLEM WATER SOLUTIONS |

## CPV Codes

### Divisions

- 45 - Construction work
- 71 - Architectural, construction, engineering and inspection services

### Codes

- 45000000 - Construction work
- 45221230 - Shafts
- 45222100 - Waste-treatment plant construction work
- 45223500 - Reinforced-concrete structures
- 45231100 - General construction work for pipelines
- 45231300 - Construction work for water and sewage pipelines
- 45232150 - Works related to water-distribution pipelines
- 45232400 - Sewer construction work
- 45232421 - Sewage treatment works
- 45232422 - Sludge-treatment works
- 45232423 - Sewage pumping stations construction work
- 45232430 - Water-treatment work
- 45232431 - Wastewater pumping station
- 45232440 - Construction work for sewage pipes
- 45247270 - Reservoir construction works
- 45262300 - Concrete work
- 45315000 - Electrical installation work of heating and other electrical building-equipment
- 45315100 - Electrical engineering installation works
- 45350000 - Mechanical installations
- 71311000 - Civil engineering consultancy services
- 71320000 - Engineering design services
- 71322000 - Engineering design services for the construction of civil engineering works
- 71322200 - Pipeline-design services
- 71333000 - Mechanical engineering services
- 71334000 - Mechanical and electrical engineering services

## Release History

- 6 Oct 2025 at 13:39 - Award - Award Notice - https://www.find-tender.service.gov.uk/Notice/062564-2025
- 10 Sep 2025 at 07:30 - Award - Award Notice - https://www.find-tender.service.gov.uk/Notice/055200-2025
- 9 Jun 2025 at 15:54 - Award - Award Notice - https://www.find-tender.service.gov.uk/Notice/031074-2025
- 12 May 2025 at 14:15 - Award - Award Notice - https://www.find-tender.service.gov.uk/Notice/020565-2025
- 2 May 2025 at 08:57 - Award - Award Notice - https://www.find-tender.service.gov.uk/Notice/018653-2025
- 11 Apr 2025 at 11:48 - Award - Award Notice - https://www.find-tender.service.gov.uk/Notice/014581-2025
- 14 Feb 2025 at 12:58 - Planning - Planning Notice - https://www.find-tender.service.gov.uk/Notice/005132-2025
- 8 Oct 2024 at 10:22 - Award - Award Notice - https://www.find-tender.service.gov.uk/Notice/032202-2024
- 13 May 2024 at 06:47 - Planning - Planning Notice - https://www.find-tender.service.gov.uk/Notice/015079-2024
- 2 Feb 2022 at 22:45 - Planning - Planning Notice - https://www.find-tender.service.gov.uk/Notice/003078-2022
- 29 Jan 2021 at 22:56 - Planning - Planning Notice - https://www.find-tender.service.gov.uk/Notice/001910-2021

## Notice URLs

- http://www.wessexwater.co.uk
- https://wessexwater.bravosolution.co.uk
- https://www.ytlconstructionuk.co.uk/

## Provenance

This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-h6vhtk-028ecc. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-028ecc.json.