Source: https://tendernation.io/opportunities/01a13c6d-dd98-72ab-9e6b-4a5938721b52/non-active-drains-optimisation-works closed GB open procedure Suitable for SMEs # Non-Active Drains Optimisation Works [CTM Portal for the NDA Shared Services Alliance](https://tendernation.io/buyers/ctm-portal-for-the-nda-shared-services-alliance) Incumbent usually keeps it Estimated value Not stated Published 30 Apr 2021 Deadline Closed 31 May 2021 ## Who can bid - Buyer says suitable for SMEs The buyer ticked “suitable for SMEs” on the notice. Anyone can still bid. - Open procedure Anyone can submit a full tender; there is no shortlisting stage. [More contracts for small businesses and VCSEs](https://tendernation.io/opportunities/for-small-businesses) ## About this tender Dounreay Site Restoration Limited (DSRL) have developed a design and scope for the Optimisation Works to upgrade the existing Non-Active Drain Installation at the Dounreay Nuclear Decommissioning Site which requires construction and when constructed, will deliver several capital maintenance items identified as required to be addressed following repeated non-compliances with SEPA waste management license. The objective of the project is to provide a passive and non-intrusive solution which will provide robust and reliant compliance with the suspended solids limits set by SEPA by modifying four existing CSOs and constructing two new treatment plants, both capable of treating greater than Formula A / 6DWF before discharging to the Atlantic Ocean through existing outfall pipes. ## CPV classification Construction work Source Contracts Finder (UK) [View official notice](https://www.contractsfinder.service.gov.uk/notice/4957edf3-8d27-48e6-b752-95bd0fcdef66) 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 CTM Portal for the NDA Shared Services Alliance: past awards and live tenders](https://tendernation.io/buyers/ctm-portal-for-the-nda-shared-services-alliance) [Sector More Construction work tenders](https://tendernation.io/sectors/construction-work) ## More tenders like this [Building Minor Works · Derbyshire Support and Facilities Services Limited · 26 days left · 13 Nov 2026](https://tendernation.io/opportunities/01a15408-9087-7003-bd47-df7bc19d7ff7/building-minor-works) [DGT Helipad Design and Construction · Dartford and Gravesham NHS Trust · 28 days left · 16 Nov 2026](https://tendernation.io/opportunities/01a15408-969e-7140-a307-fe72fa7128be/dgt-helipad-design-and-construction) [Boiler Replacement Programme · Derbyshire Support and Facilities Services Limited · 26 days left · 13 Nov 2026](https://tendernation.io/opportunities/01a15408-9933-7015-97a0-37aa8d57c009/boiler-replacement-programme) [Construction of the Chiropractic Car Park, Treforest Campus · University of South Wales · 39 days left · 27 Nov 2026](https://tendernation.io/opportunities/01a15408-a995-70e5-b8b1-7c6a14e2e878/construction-of-the-chiropractic-car-park-treforest-campus) [Boiler chemical and Softener Services · Maidstone and Tunbridge Wells NHS Trust · 28 days left · 16 Nov 2026](https://tendernation.io/opportunities/01a1539a-d092-736b-88d2-6bdc251cddb6/boiler-chemical-and-softener-services) [Firefighting equipment installation work – Schaumlöschanlage (VE067), CVK, DHZC · Charité - Universitätsmedizin Berlin · 2 days left · 21 Oct 2026](https://tendernation.io/opportunities/01a15183-b929-71a2-940b-7b81046361a8/germany-firefighting-equipment-installation-work-schaumloschanlage-ve067)