--- title: "Cm3503 Fixed Gas Detectors and Maintenance" ocid: "ocds-h6vhtk-06aa1f" canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-06aa1f" markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-06aa1f.md" json_url: "https://d3tenders.com/contract/ocds-h6vhtk-06aa1f.json" source: "Find A Tender Service" current_stage: "Tender" buyer: "YORKSHIRE WATER SERVICES LIMITED" published: "2026-06-03" --- # Cm3503 Fixed Gas Detectors and Maintenance Buyer: YORKSHIRE WATER SERVICES LIMITED Current stage: Tender OCID: ocds-h6vhtk-06aa1f [View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-h6vhtk-06aa1f) [Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-06aa1f.json) ## Summary Yorkshire Water Services Limited, a private utility company based in Bradford, United Kingdom, is conducting a procurement process for their project titled "Cm3503 Fixed Gas Detectors and Maintenance." The procurement falls under the service industry category, specifically repair and maintenance services (CPV code: 50000000), and is located in the region UKE. The procurement method is an open competitive flexible procedure initiated under the Procurement Act 2023. The tender process is currently in the 'Tender' stage with key deadlines including a tender submission end date of 26th June 2026 and the award period concluding on 31st July 2026. The estimated contract value is £2,072,000, encompassing services such as maintenance, calibration, and supply of spare parts for fixed gas detection systems. This tender presents lucrative opportunities for businesses specialising in the maintenance and calibration of gas detection systems, as well as suppliers of sensors and related components. Companies with experience in delivering safety-critical system support in operational wastewater and clean water sites would find this contract particularly suited to their expertise. The contract offers a five-year term with possible extensions of up to three additional years, providing substantial long-term engagement. The use of electronic submission through the Ariba portal ensures a streamlined application process. Potential suppliers who meet the Conditions of Participation will advance to tender evaluation, offering a structured opportunity for business growth in the utilities sector. ## Notice Yorkshire Water Services (YWS) intends to establish a contract for the maintenance, calibration, inspection, repair, and lifecycle support of fixed gas detection systems across operational wastewater and clean water sites. The contract will provide a comprehensive service model covering planned preventative maintenance (PPM), reactive and emergency maintenance, calibration and compliance activities, supply and replacement of sensors, spare parts, and associated components, as well as replacement of fixed gas detection assets where required. The arrangement will support the ongoing operation of safety-critical gas detection systems, including detectors, sensors, alarms and controllers. ### Lot Information Lot 1 Renewal: The duration of the proposed contract opportunity is 60 months, with optional renewal up to 36 months. ## Key Details | Field | Value | | --- | --- | | Publication source | Find A Tender Service | | Latest notice | https://www.find-tender.service.gov.uk/Notice/052177-2026 | | Notice type | UK4 - Tender Notice | | Procurement type | Standard | | Procurement category | Services | | Procurement method | Open | | Procurement method details | Competitive flexible procedure | | Tender suitability | Not specified | | Awardee scale | Not specified | | All stages | Tender | ## Dates | Field | Value | | --- | --- | | Publication date | 3 Jun 2026 | | Submission deadline | 26 Jun 2026 | | Future notice date | Not specified | | Award date | Not specified | | Contract period | 1 Jan 2027 - 31 Dec 2031 | | Recurrence | Not specified | ## Values | Field | Value | | --- | --- | | Tender value | £2,072,000 | | Lots value | £2,072,000 | | 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 - 50000000 - Repair and maintenance services ## Release History - 3 Jun 2026 at 08:57 - TenderUpdate - UK4 - Tender Notice - https://www.find-tender.service.gov.uk/Notice/052177-2026 - 1 Jun 2026 at 10:59 - TenderUpdate - UK4 - Tender Notice - https://www.find-tender.service.gov.uk/Notice/051317-2026 - 1 Jun 2026 at 10:57 - TenderUpdate - UK4 - Tender Notice - https://www.find-tender.service.gov.uk/Notice/051314-2026 - 1 Jun 2026 at 10:53 - Tender - UK4 - Tender Notice - https://www.find-tender.service.gov.uk/Notice/051308-2026 ## Documents - https://www.find-tender.service.gov.uk/Notice/052177-2026 3rd June 2026 - Tender notice on Find a Tender - https://www.find-tender.service.gov.uk/Notice/051317-2026 1st June 2026 - Tender notice on Find a Tender - https://www.find-tender.service.gov.uk/Notice/051314-2026 1st June 2026 - Tender notice on Find a Tender - https://www.find-tender.service.gov.uk/Notice/051308-2026 1st June 2026 - 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-06aa1f. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-06aa1f.json.