Source: https://tendernation.io/opportunities/01a13bbd-18e7-71d3-b991-96566074d5cc/sewage-treatment-units closed GB open procedure # Sewage Treatment Units [CalMac Ferries Limited](https://tendernation.io/buyers/calmac-ferries-limited) Incumbent usually keeps it Estimated value £480,000 Published 12 Jun 2025 Deadline Closed 14 Jul 2025 ## Who can bid - Sets up a framework Winning a place does not guarantee work: contracts are awarded later as call-offs, and the list usually stays closed for years. - Open procedure Anyone can submit a full tender; there is no shortlisting stage. ## About this tender Framework for the Supply and Installation of Sewage Treatment Units on CalMac vessels ## CPV classification Machinery for the treatment of sewage Marine installations Repair, maintenance and associated services related to aircraft, railways, roads and marine equipment Sewage tankers Sewage pumps Sewage work Source Find a Tender (UK) · Notice ocds-h6vhtk-0547f4-2025-06-12T15:56:38+01:00 [View official notice](https://www.find-tender.service.gov.uk/Notice/ocds-h6vhtk-0547f4-2025-06-12T15:56:38+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 CalMac Ferries Limited: past awards and live tenders](https://tendernation.io/buyers/calmac-ferries-limited) [Sector More Industrial machinery tenders](https://tendernation.io/sectors/industrial-machinery) ## More tenders like this [Taps, cocks and valves – Armaturen für den Erdeinbau · Hamburger Energiewerke GmbH · 29 days left · 16 Nov 2026](https://tendernation.io/opportunities/01a15183-5420-7127-9c40-a62d1d50b931/germany-taps-cocks-and-valves-armaturen-fur-den-erdeinbau) [Miscellaneous cleaning machines – Siivouskoneet ja tekstiilienkäsittelylaitteet · Numera Palvelut Oy · 23 days left · 11 Nov 2026](https://tendernation.io/opportunities/01a15183-3f6e-73fc-af88-53a623859b34/finland-miscellaneous-cleaning-machines-siivouskoneet-ja-tekstiilienkasittel) [Milling machines – 5-Achs-Fräsmaschine · Technische Universität Hamburg · 29 days left · 17 Nov 2026](https://tendernation.io/opportunities/01a15183-415a-727e-8083-eeb94ff038d7/germany-milling-machines-5-achs-frasmaschine) [Boiler installations – Neubeschaffung von zwei baugleichen Heißwassererzeuger für den Standort Köpenick · BEW Berliner Energie und Wärme GmbH · 29 days left · 16 Nov 2026](https://tendernation.io/opportunities/01a15183-15f0-7290-b267-ee377bf4c98e/germany-boiler-installations-neubeschaffung-von-zwei-baugleichen-heisswassere) [Drinks dispensers – Warme drankenautomaten · Gemeente Almelo · 43 days left · 1 Dec 2026](https://tendernation.io/opportunities/01a15183-1fb0-73b3-9de4-809143065220/netherlands-drinks-dispensers-warme-drankenautomaten) [Miscellaneous special-purpose machinery – Výstavba lanovej dráhy na Martinské hole · Mesto Martin · 57 days left · 15 Dec 2026](https://tendernation.io/opportunities/01a15183-5ccc-70db-b65f-69eb1062d8b3/slovakia-miscellaneous-special-purpose-machinery-vystavba-lanovej-drahy-na-m)