--- title: "CM3105 Thickening and Dewatering Maintenance" ocid: "ocds-h6vhtk-05f43f" canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-05f43f" markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-05f43f.md" json_url: "https://d3tenders.com/contract/ocds-h6vhtk-05f43f.json" source: "Find A Tender Service" current_stage: "Tender" buyer: "YORKSHIRE WATER SERVICES LIMITED" published: "2025-12-11" --- # CM3105 Thickening and Dewatering Maintenance Buyer: YORKSHIRE WATER SERVICES LIMITED Current stage: Tender OCID: ocds-h6vhtk-05f43f [View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-h6vhtk-05f43f) [Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-05f43f.json) ## Summary Yorkshire Water Services Limited is initiating a tender process titled "CM3105 Thickening and Dewatering Maintenance" in the region of Yorkshire and the Humber, United Kingdom. This procurement falls under the industry category of repair and maintenance services of machinery, focusing on thickening and dewatering assets across various operational sites. The procurement method is a selective competition conducted under the Competitive Flexible Procedure as per the Procurement Act 2023, which includes a conditions of participation questionnaire and subsequent tender stages. The tender process is active, with an expression of interest deadline set for 6th January 2026, and the award period concluding on 30th March 2026. This tender offers substantial growth potential for businesses specializing in machinery maintenance services, particularly those with capabilities in proactive maintenance and equipment hire. Companies adept in providing both planned and reactive maintenance will find this contract especially advantageous, as it involves strategic and comprehensive maintenance responsibilities across multiple sites. In particular, businesses that can deliver high-quality services, with an emphasis on reliability and performance optimisation, are well-suited to compete. The opportunities for longer-term engagement are enhanced by the potential for contract renewals, enabling sustained business growth and regional presence. ## Notice Yorkshire Water Services (YWS) is intending to establish a structured, multi-supplier maintenance and support arrangement for Yorkshire Water's thickening and dewatering assets, covering operational sites across Bioresources, Process & Pumping (P&P), and Clean Water. The arrangement will deliver a full service model including preventative and reactive maintenance, asset inspections, critical spare supply and management, and equipment hire where required. ### Lot Information Maintenance, repair, supply and hire of centrifuges o Covers the maintenance, overhaul, repair, and performance optimisation of centrifuges deployed across Yorkshire Water's sites. o Includes access to hire units to minimise downtime during major overhauls or breakdowns. o Suppliers must provide both reactive and planned maintenance, with clear definitions of activities to be carried out on-site versus off-site workshop facilities. o Applies across multiple geographies, supporting resilience and coverage. Renewal: The duration of the proposed contract opportunity is 36 months, with optional renewal up to 24 months. Maintenance, repair and supply for thickeners, belt presses, plate press and gravity belt thickeners o Covers the maintenance, overhaul, repair, and performance optimisation of thickeners, belt presses, plate presses and gravity belt thickeners deployed across Yorkshire Water's sites. o Includes access to hire units to minimise downtime during major overhauls or breakdowns. o Suppliers must provide both reactive and planned maintenance, with clear definitions of activities to be carried out on-site versus off-site workshop facilities. o Applies across multiple geographies, supporting resilience and coverage. Renewal: The duration of the proposed contract opportunity is 36 months, with optional renewal up to 24 months. Total Care Package o A fixed-fee, performance-driven service model covering the end-to-end maintenance responsibilities for high-priority operational sites. o Under the Total Care Package (TCP), suppliers assume responsibility for availability, uptime, overhaul cycles, optimisation, and proactive fault prevention. o This lot is split into two sub-lots: Lot 3a - P&P Critical Sites and Lot 3b - Bioresources Critical Sites Renewal: The duration of the proposed contract opportunity is 36 months, with optional renewal up to 24 months. ## Key Details | Field | Value | | --- | --- | | Publication source | Find A Tender Service | | Latest notice | https://www.find-tender.service.gov.uk/Notice/082185-2025 | | Notice type | UK4 - Tender Notice | | Procurement type | Standard | | Procurement category | Services | | Procurement method | Selective | | Procurement method details | Competitive flexible procedure | | Tender suitability | Not specified | | Awardee scale | Not specified | | All stages | Tender | ## Dates | Field | Value | | --- | --- | | Publication date | 11 Dec 2025 | | Submission deadline | Not specified | | Future notice date | Not specified | | Award date | Not specified | | Contract period | 31 Mar 2026 - 31 Mar 2029 | | Recurrence | Not specified | ## Values | Field | Value | | --- | --- | | Tender value | £4,935,728 | | Lots value | £4,935,728 | | Awards value | Not specified | | Contracts value | Not specified | ## Status | Field | Value | | --- | --- | | Tender status | Active | | Lots status | Active | | Awards status | Not specified | | Contracts status | Not specified | ## Buyer | Field | Value | | --- | --- | | Main buyer | YORKSHIRE WATER SERVICES LIMITED | | Locality | BRADFORD | | Post town | Bradford | | Postcode | BD6 2SZ | | Country | England | | ITL 1 | TLE Yorkshire and The Humber | | ITL 2 | TLE4 West Yorkshire | | ITL 3 | TLE41 Bradford | | Local authority | Bradford | | Electoral ward | Royds | | Westminster constituency | Bradford South | | Delivery location | TLE Yorkshire and The Humber | ## CPV Codes ### Divisions - 50 - Repair and maintenance services ### Codes - 50530000 - Repair and maintenance services of machinery ## Release History - 11 Dec 2025 at 16:24 - Tender - UK4 - Tender Notice - https://www.find-tender.service.gov.uk/Notice/082185-2025 ## Documents - https://www.find-tender.service.gov.uk/Notice/082185-2025 11th December 2025 - Tender notice on Find a Tender ## Notice URLs - https://www.legislation.gov.uk/ukpga/2023/54/contents - https://www.yorkshirewater.com/ - https://www.yorkshirewater.com/PleasecontactCarolinaSalvadoratcarolina.salvador@Yorkshirewater.co.uktojoinAribaBuyingPortalandaccessalltenderdocuments ## 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-05f43f. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-05f43f.json.