---
title: "C1170 - Water and Wastewater Networks Maintenance and Associated Services"
ocid: "ocds-h6vhtk-041b19"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-041b19"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-041b19.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-041b19.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "NORTHERN IRELAND WATER LIMITED"
published: "2025-02-14"
---

# C1170 - Water and Wastewater Networks Maintenance and Associated Services

Buyer: NORTHERN IRELAND WATER LIMITED  
Current stage: Award  
OCID: ocds-h6vhtk-041b19

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## Summary

Northern Ireland Water Limited has awarded contracts for their Network Maintenance Programme, aimed at delivering Water and Wastewater Network Maintenance and Associated Services across Northern Ireland. The procurement falls under the public utilities industry category and covers locations such as UKN (Northern Ireland). The process, initiated as a tender on 14th February 2025 and completed with contracts signed on 15th January 2025, has entered the award stage. The contracts are split into four lots with estimated upper limits: £320m for Lot 1 (Improvements, Repairs, and Maintenance), £50m for Lot 2 (Cleaning and Maintenance Services), £30m for Lot 3 (Desludging Septic Tanks), and £150m for Lot 4 (New Development and Metering Infrastructure). The procurement method used was a selective, negotiated procedure with prior call for competition.

This tender presents significant business growth opportunities, particularly for firms specialising in public utilities services, sewage, cleaning and environmental services, and civil engineering works. With a potential total contract value ranging from £323m to £550m, businesses engaged in water distribution, pipeline works, sewage and sludge management, and metering infrastructure can benefit immensely. Companies can strengthen their market footprint, especially those adept in delivering high-quality service and maintaining competitive prices, as the selection criteria include a 50:50 weightage on price and quality. Engaging in this programme can enhance a business's reputation and pave the way for long-term contracts with options to extend up to seven years, providing stable revenue streams over the contract's duration.

## Notice

Northern Ireland Water and its subsidiaries are procuring a Contract for its Network Maintenance Programme to deliver Water and Wastewater Network Maintenance and Associated Services. This programme will deliver improvements, repairs and maintenance services across their water and wastewater network for the PC21 and PC27 Price Control periods. This contract will be split into the following 4 lots: Lot 1 - Water and Wastewater Networks Improvements Repairs and Maintenance Services, Lot 2 - Wastewater Network Cleaning and Maintenance and Associated Services, Lot 3 - Desludging of Septic Tanks and Lot 4 - New Development and Metering Infrastructure (Installation and Maintenance).

### Lot Information

Water and Wastewater Networks Improvements Repairs and Maintenance Services

Northern Ireland Water and its subsidiaries are procuring a Contract for its Network Maintenance Programme to deliver Water and Wastewater Network Maintenance and Associated Services. This programme will deliver improvements, repairs and maintenance services across their water and wastewater network for the PC21 and PC27 Price Control periods. . Lot 1 Water and Wastewater Networks Improvements Repairs and Maintenance Services . All information as stated at section II.1.4 will apply to all Lots. . A brief summary of the scope of works and services to be delivered under Lot 1:- . - Watermains, fittings, communication pipe & supply pipe repairs; - Repair/install various lengths of watermain using trenchless techniques; - Fittings installations, communication pipe & supply pipe replacement; - Street furniture repairs; - Temporary and permanent reinstatement of road openings; - Major incident and operational support; - Supply and laying of watermains and sewers; - Minor water & sewer network improvements including local network reinforcement; - Plant hire with/without operatives. . This is subject to amendment and full details on the scope for each Lot and range of services to be delivered will be included in the PQQ documents. Additional information: A Pre-Tender Information Session to inform the market of our procurement strategy for this opportunity and an insight to the social value requirements for the Contract will be held by NI Water on Monday 15th January 2024 from 10.00-12.00 at the following location: FRC 1st Floor Conference Room. Finance & Regulation Building, Westland House, 40 Old Westland Road, Belfast, BT14 6TE. . Suppliers can register their interest in attending this session and confirm attendees by submitting an email to sourcing@niwater.com FAO Keith Watson or Sarah McKee with contact names, company position and accompanying email address.. Attendance will be limited to two (2) representatives per supplier.

Wastewater Network Cleaning, Maintenance and Associated Services

Northern Ireland Water and its subsidiaries are procuring a Contract for its Network Maintenance Programme to deliver Water and Wastewater Network Maintenance and Associated Services. This programme will deliver improvements, repairs and maintenance services across their water and wastewater network for the PC21 and PC27 Price Control periods. . Lot 2 - Wastewater Network Cleaning, Maintenance and Associated Services . All information as stated at section II.1.4 will apply to all Lots. . A brief summary of the scope of works and services to be delivered under Lot 2:- . - Clearage of sewer blockages and cleaning of sewer spillages - CCTV of the sewer network - Reactive and proactive pump sump cleaning - Cleaning and inspection of sewer outfalls - CSO survey, inspection and maintenance - Cleaning of sewers and spillages - Sewer repairs and refurbishment using trenchless techniques - Major incident and operational support - Plant hire with/without operatives - Tankering activities . This is subject to amendment and full details on the scope for each Lot and range of services to be delivered will be included in the PQQ documents. Additional information: A Pre-Tender Information Session to inform the market of our procurement strategy for this opportunity and an insight to the social value requirements for the Contract will be held by NI Water on Monday 15th January 2024 from 10.00-12.00 at the following location: FRC 1st Floor Conference Room. Finance & Regulation Building, Westland House, 40 Old Westland Road, Belfast, BT14 6TE. . Suppliers can register their interest in attending this session and confirm attendees by submitting an email to sourcing@niwater.com FAO Keith Watson or Sarah McKee with contact names, company position and accompanying email address.. Attendance will be limited to two (2) representatives per supplier. .

Desludging of Septic Tanks

Northern Ireland Water and its subsidiaries are procuring a Contract for its Network Maintenance Programme to deliver Water and Wastewater Network Maintenance and Associated Services. This programme will deliver improvements, repairs and maintenance services across their water and wastewater network for the PC21 and PC27 Price Control periods. . Lot 3 Desludging of Septic Tanks . All information as stated at section II.1.4 will apply to all Lots. . A brief summary of the scope of works and services to be delivered under Lot 3:- . - Desludging of domestic septic tanks - Transportation & disposal of septic tank sludge to designated Wastewater Treatment Works. . This is subject to amendment and full details on the scope for each Lot and range of services to be delivered will be included in the PQQ documents. Additional information: A Pre-Tender Information Session to inform the market of our procurement strategy for this opportunity and an insight to the social value requirements for the Contract will be held by NI Water on Monday 15th January 2024 from 10.00-12.00 at the following location: FRC 1st Floor Conference Room. Finance & Regulation Building, Westland House, 40 Old Westland Road, Belfast, BT14 6TE. . Suppliers can register their interest in attending this session and confirm attendees by submitting an email to sourcing@niwater.com FAO Keith Watson or Sarah McKee with contact names, company position and accompanying email address.. Attendance will be limited to two (2) representatives per supplier. .

Water and Sewerage Service Provision, Meter Maintenance and Installation

Northern Ireland Water and its subsidiaries are procuring a Contract for its Network Maintenance Programme to deliver Water and Wastewater Network Maintenance and Associated Services. This programme will deliver improvements, repairs and maintenance services across their water and wastewater network for the PC21 and PC27 Price Control periods. . Lot 4 - Water and Sewerage Service Provision, Meter Installation and Maintenance . All information as stated at section II.1.4 will apply to all Lots. . A brief summary of the scope of works and services to be delivered under Lot 4:- . - New customer water & sewer connections - New mains and sewer extensions for service provision - New mains in housing developments - Design of local water & sewer network extensions - Lead pipe replacement & separation of customer supplies - Customer meter installation, replacement & maintenance - Temporary & permanent reinstatement of road openings - Watermain installation using trenchless techniques . This is subject to amendment and full details on the scope for each Lot and range of services to be delivered will be included in the PQQ documents. Additional information: A Pre-Tender Information Session to inform the market of our procurement strategy for this opportunity and an insight to the social value requirements for the Contract will be held by NI Water on Monday 15th January 2024 from 10.00-12.00 at the following location: FRC 1st Floor Conference Room. Finance & Regulation Building, Westland House, 40 Old Westland Road, Belfast, BT14 6TE. . Suppliers can register their interest in attending this session and confirm attendees by submitting an email to sourcing@niwater.com FAO Keith Watson or Sarah McKee with contact names, company position and accompanying email address.. Attendance will be limited to two (2) representatives per supplier. .

Lot 1 - Water and Wastewater Networks Improvements Repairs and Maintenance Services

Northern Ireland Water and its subsidiaries are procuring a Contract for its Network Maintenance Programme to deliver Water and Wastewater Network Maintenance and Associated Services. This programme will deliver improvements, repairs and maintenance services across their water and wastewater network for the PC21 and PC27 Price Control periods. Lot 1 - Water and Wastewater Networks Improvements Repairs and Maintenance Services.

Options: There is a 9 month implementation period followed by a Service Period of 3 years with the option to extend for 3+1 years. Therefore contract renewal is expected in 3-7 years.

Renewal: Initial contract period of 4 years with the option to extend for an additional 3+1 years.

Lot 2 - Wastewater Network Cleaning and Maintenance and Associated Services

Northern Ireland Water and its subsidiaries are procuring a Contract for its Wastewater Network Maintenance and Associated Services. This programme will deliver improvements, repairs and maintenance services across their wastewater network for the PC21 and PC27 Price Control periods. Lot 2 - Wastewater Network Cleaning and Maintenance and Associated Services.

Options: There is a 9 month implementation period followed by a Service Period of 3 years with the option to extend for 3+1 years. Therefore contract renewal is expected in 3-7 years.

Renewal: Initial contract period of 4 years with the option to extend for an additional 3+1 years.

Lot 3 - Desludging of Septic Tanks

Northern Ireland Water and its subsidiaries are procuring a Contract for the Desludging of Septic Tanks and Associated Services. This programme will deliver the service across their wastewater network for the PC21 and PC27 Price Control periods. Lot 3 - Desludging of Septic Tanks

Options: There is a 9 month implementation period followed by a Service Period of 3 years with the option to extend for 3+1 years. Therefore contract renewal is expected in 3-7 years.

Renewal: Initial contract period of 4 years with the option to extend for an additional 3+1 years.

Lot 4 - New Development and Metering Infrastructure (Installation and Maintenance)

Northern Ireland Water and its subsidiaries are procuring a Contract for its Network Maintenance Programme to deliver Water and Wastewater Network Maintenance and Associated Services. This programme will deliver improvements, repairs and maintenance services across their water and wastewater network for the PC21 and PC27 Price Control periods. Lot 4 - New Development and Metering Infrastructure (Installation and Maintenance).

Options: There is a 9 month implementation period followed by a Service Period of 3 years with the option to extend for 3+1 years. Therefore contract renewal is expected in 3-7 years.

Renewal: Initial contract period of 4 years with the option to extend for an additional 3+1 years.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/005101-2025 |
| Notice type | Planning Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Selective |
| Procurement method details | Negotiated procedure with prior call for competition |
| Tender suitability | Not specified |
| Awardee scale | Not specified |
| All stages | Planning, Tender, Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 14 Feb 2025 |
| Submission deadline | 26 Feb 2024 |
| Future notice date | 19 Jan 2024 |
| Award date | 15 Jan 2025 |
| Contract period | Not specified |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £400,000,000 |
| Lots value | £400,000,000 |
| Awards value | Not specified |
| Contracts value | £550,000,000 |

## Status

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

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | NORTHERN IRELAND WATER LIMITED |
| Additional buyers | NI WATER AND ITS SUBSIDIARIES |
| Locality | BELFAST |
| Post town | Northern Ireland |
| Postcode | BT14 6TE |
| Country | Northern Ireland |
| ITL 1 | TLN Northern Ireland |
| ITL 2 | TLN0 Northern Ireland |
| ITL 3 | TLN06 Belfast |
| Local authority | Belfast |
| Electoral ward | Chichester Park |
| Westminster constituency | Belfast North |
| Delivery location | TLN Northern Ireland, TLN0 Northern Ireland, TLN06 Belfast, TLN07 Armagh City, Banbridge and Craigavon, TLN08 Newry, Mourne and Down, TLN09 Ards and North Down, TLN0A Derry City and Strabane, TLN0B Mid Ulster, TLN0C Causeway Coast and Glens, TLN0D Antrim and Newtownabbey, TLN0E Lisburn and Castlereagh, TLN0F Mid and East Antrim, TLN0G Fermanagh and Omagh |

## CPV Codes

### Divisions

- 38 - Laboratory, optical and precision equipments (excl. glasses)
- 45 - Construction work
- 50 - Repair and maintenance services
- 65 - Public utilities
- 71 - Architectural, construction, engineering and inspection services
- 90 - Sewage, refuse, cleaning and environmental services

### Codes

- 38550000 - Meters
- 45000000 - Construction work
- 45200000 - Works for complete or part construction and civil engineering work
- 45220000 - Engineering works and construction works
- 45232150 - Works related to water-distribution pipelines
- 45232400 - Sewer construction work
- 45232410 - Sewerage work
- 45233142 - Road-repair works
- 45500000 - Hire of construction and civil engineering machinery and equipment with operator
- 50000000 - Repair and maintenance services
- 50411100 - Repair and maintenance services of water meters
- 65000000 - Public utilities
- 71322000 - Engineering design services for the construction of civil engineering works
- 90000000 - Sewage, refuse, cleaning and environmental services
- 90460000 - Cesspool or septic tank emptying services
- 90470000 - Sewer cleaning services
- 90491000 - Sewer survey services
- 90700000 - Environmental services

## Release History

- 14 Feb 2025 at 11:35 - Award - Award Notice - https://www.find-tender.service.gov.uk/Notice/005101-2025
- 26 Jan 2024 at 16:47 - Tender - Tender Notice - https://www.find-tender.service.gov.uk/Notice/002816-2024
- 20 Nov 2023 at 09:35 - Planning - Planning Notice - https://www.find-tender.service.gov.uk/Notice/034200-2023

## Notice URLs

- https://etendersni.gov.uk/epps
- https://www.niwater.com/home/

## 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-041b19. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-041b19.json.