Source: https://tendernation.io/opportunities/01a13bab-a38a-7160-98e7-d0be14b77c8d/c1236-commercial-diving-and-maintenance-of-aids-to-navigation closed GB open procedure # C1236 - Commercial Diving and Maintenance of Aids to Navigation [NI Water and its subsidiaries](https://tendernation.io/buyers/ni-water-and-its-subsidiaries) Estimated value £334,200 Published 12 Jun 2024 Deadline Closed 5 Jul 2024 ## Who can bid - Split into 2 lots You can usually bid for just the lots you can deliver. - Open procedure Anyone can submit a full tender; there is no shortlisting stage. ## About this tender Northern Ireland Water and its subsidiary Northern Ireland Water Alpha operate a number of Water Treatment Works supplied from a variety of Raw Water Sources. Depending on the water quality of the Raw Water Sources, it may be necessary to proactively and / or reactively clean the Raw Water Intake Screens due to an increase of invasive and non-invasive species, e.g. pond weeds, zebra mussels etc. Northern Ireland Water and Northern Ireland Water Alpha may require additional miscellaneous commercial diving and marine services. Northern Ireland Water also require annual maintenance and reactive inspection and repair of aids to navigation to be carried out. The aids to navigation comprises of twelve navigational marker buoys and three special mark beacons that have been established along the coast of Northern Ireland. This contract will be split into lots to cover these requirements. Lot 1 – Commercial Diving and Lot 2 – Maintenance of Aids to Navigation. ## CPV classification Marine services Diving services Aquatic marine services Marine survey services Repair, maintenance and associated services related to marine and other equipment Buoy maintenance services Repair and maintenance services Source Find a Tender (UK) · Notice ocds-h6vhtk-046f87-2024-06-12T16:39:40+01:00 [View official notice](https://www.find-tender.service.gov.uk/Notice/ocds-h6vhtk-046f87-2024-06-12T16:39:40+01:00) 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 NI Water and its subsidiaries: past awards and live tenders](https://tendernation.io/buyers/ni-water-and-its-subsidiaries) [Sector More Other community & personal services tenders](https://tendernation.io/sectors/community-personal-services) ## More tenders like this [Washing and dry-cleaning services – Accord-cadre à bons de commande de prestations de location, entretien et gestion du linge · Cias Terres de Maurienne - Ehpad Bel'fontaine · 32 days left · 20 Nov 2026](https://tendernation.io/opportunities/01a156a9-7395-73b9-a765-1db7e6dd00b5/france-washing-and-dry-cleaning-services-accord-cadre-a-bons-de-commande-de) [Miscellaneous services – Servizio Reception Welcome Desk · Freie Universität Bozen · 32 days left · 20 Nov 2026](https://tendernation.io/opportunities/01a156a9-8b73-7187-9c80-2908f2993434/italy-miscellaneous-services-servizio-reception-welcome-desk) [Home-help services – Udbud af helhedspleje og hjemmepleje til borgere i eget hjem i Vejle Kommune · Vejle Kommune · 32 days left · 20 Nov 2026](https://tendernation.io/opportunities/01a156a9-a425-7319-a433-bf67841eb48a/denmark-home-help-services-udbud-af-helhedspleje-og-hjemmepleje-til-borgere) [Washing and dry-cleaning services – Gordijnenreiniging · Academisch Ziekenhuis Maastricht · 44 days left · 2 Dec 2026](https://tendernation.io/opportunities/01a156a9-6fdc-7172-8048-7acdb8f50a37/netherlands-washing-and-dry-cleaning-services-gordijnenreiniging) [Washing and dry-cleaning services – Udbud på vask, leje og levering af Linned · Fællesudbud Sjælland · 39 days left · 27 Nov 2026](https://tendernation.io/opportunities/01a156a9-8b49-7299-bcbf-f1da15517b5e/denmark-washing-and-dry-cleaning-services-udbud-pa-vask-leje-og-levering-af) [Miscellaneous services – Servicio de Modelos en Vivo para la Facultad de Bellas Artes de la Universidad de Sevilla. · Rectorado de la Universidad de Sevilla · 15 days left · 3 Nov 2026](https://tendernation.io/opportunities/01a156a9-8b94-721a-8e8e-f04ca7219006/spain-miscellaneous-services-servicio-de-modelos-en-vivo-para-la-facultad-de)