Source: https://tendernation.io/opportunities/01a13bb1-e787-722b-a4d1-3c03faef6cce/c1170-water-and-wastewater-networks-maintenance-and-associated-services awarded GB restricted procedure # C1170 - Water and Wastewater Networks Maintenance and Associated Services [Northern Ireland Water Limited](https://tendernation.io/buyers/northern-ireland-water-limited) Estimated value £400,000,000 Published 14 Feb 2025 Deadline Closed 26 Feb 2024 ## Who can bid - Split into 8 lots You can usually bid for just the lots you can deliver. ## About this tender 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). ## CPV classification Public utilities Works related to water-distribution pipelines Works for complete or part construction and civil engineering work Sewerage work Sewer construction work Road-repair works Hire of construction and civil engineering machinery and equipment with operator Sewage, refuse, cleaning and environmental services Environmental services Construction work Engineering works and construction works Sewer cleaning services Cesspool or septic tank emptying services Sewer survey services Repair and maintenance services Meters Repair and maintenance services of water meters Engineering design services for the construction of civil engineering works Source Find a Tender (UK) · Notice ocds-h6vhtk-041b19-2025-02-14T11:35:47Z [View official notice](https://www.find-tender.service.gov.uk/Notice/ocds-h6vhtk-041b19-2025-02-14T11:35:47Z) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. [Track tenders free](https://tendernation.io/register) [Buyer profile Northern Ireland Water Limited: past awards and live tenders](https://tendernation.io/buyers/northern-ireland-water-limited) [Sector More Public utilities tenders](https://tendernation.io/sectors/public-utilities) ## More tenders like this [Drinking-water distribution – CONTRAT DE DELEGATION DU SERVICE PUBLIC DE L'EAU · Aquavesc · 30 days left · 17 Nov 2026](https://tendernation.io/opportunities/01a15183-4d9b-715b-91ca-086e86fd4542/france-drinking-water-distribution-contrat-de-delegation-du-service-public-d) [Electricity distribution – Luftgestützte Durchführung von Thermografiemessungen und deren Auswertung im Leitungsnetz der Tennet TSO GmbH 2027 - 2028 · TenneT TSO GmbH · 32 days left · 19 Nov 2026](https://tendernation.io/opportunities/01a15183-0883-71b1-b254-a1630251b2e4/germany-electricity-distribution-luftgestutzte-durchfuhrung-von-thermografie) [Electricity distribution – ACCORD-CADRE MULTI-ATTRIBUTAIRES FOURNITURE ET ACHEMINEMENT D'ELECTRICITE Puissance souscrite inférieure et supérieure à 36 kVA Segments C4 et C5) · La Rance · 29 days left · 17 Nov 2026](https://tendernation.io/opportunities/01a15183-95c7-723e-9853-c948b03118f7/france-electricity-distribution-accord-cadre-multi-attributaires-fourniture) [Electricity distribution – Fornecimento de Energia Elétrica e respetivos serviços de ativação de alimentações eventuais do Município de Lisboa em Regime de Mercado Livre · Município de Lisboa · 30 days left · 18 Nov 2026](https://tendernation.io/opportunities/01a14210-8d80-703f-b31f-1cb6bd5d3155/portugal-electricity-distribution-fornecimento-de-energia-eletrica-e-respeti) [Water distribution and related services – „Modernizacja systemu zaopatrzenia w wodę na terenie Gminy Szumowo” · Gmina Szumowo · 32 days left · 20 Nov 2026](https://tendernation.io/opportunities/01a14210-611e-7145-971a-5ca14b528026/poland-water-distribution-and-related-services-modernizacja-systemu-zaopatr) [Electricity distribution – maitrise d’œuvre POUR LES travaux d’enfouissement des reseaux de distribution public d’electricite · Territoire d'Energie Alsace · 43 days left · 1 Dec 2026](https://tendernation.io/opportunities/01a14210-b6d8-72d7-8177-0c43cc986bb5/france-electricity-distribution-maitrise-doeuvre-pour-les-travaux-denfouiss)