--- title: "Class 318 & 320 STPI Relays" ocid: "ocds-r6ebe6-0000832345" canonical_url: "https://d3tenders.com/contract/?ocid=ocds-r6ebe6-0000832345" markdown_url: "https://d3tenders.com/contract/ocds-r6ebe6-0000832345.md" json_url: "https://d3tenders.com/contract/ocds-r6ebe6-0000832345.json" source: "Public Contracts Scotland" current_stage: "Award" buyer: "SCOTRAIL TRAINS LIMITED" published: "2026-06-29" --- # Class 318 & 320 STPI Relays Buyer: SCOTRAIL TRAINS LIMITED Current stage: Award OCID: ocds-r6ebe6-0000832345 [View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-r6ebe6-0000832345) [Download OCDS JSON](https://d3tenders.com/contract/ocds-r6ebe6-0000832345.json) ## Summary ScotRail Trains Limited, headquartered in Glasgow, has concluded a procurement process for the supply of Class 318 & 320 STPI Relays, focusing on the replacement of Square D type relays. The procurement falls under the railway services industry category and is classified under CPV code 31221000. The procurement process concluded in June 2026, following an award procedure that bypassed prior publication of a call for competition due to technical constraints under The Utilities Contracts (Scotland) Regulation 2016. This contract involves a delivery to Shields Road Depot, Glasgow, and was formalised on 15th June 2026. This tender offers significant opportunities for businesses involved in the manufacture or supply of railway system components. The contract emphasises continuity and integration with existing systems, benefiting suppliers capable of providing bespoke and compatible technical solutions. Companies experienced in delivering complex technical goods tailored to existing rail infrastructure will find this opportunity particularly advantageous for growth and expansion within the specialised rail supply sector. Businesses can leverage this as a case study to enhance their credentials in securing similar contracts in the future. ## Notice The Supply Class 318 & 320 STPI Relays. Replacement of Square D type replays with STPI ### Lot Information Lot 1 The requirement is for the Supply of relays for Class 318, 320 and 320/4 fleets to support replacement of designated positions across the Class 318, 320, and 320/4 EMU fleets. The proposed contract will provide continuity of operation of the system based upon the existing solution, in which there has been significant prior investment. ### Procurement Information On the basis of The Utilities Contracts (Scotland) Regulation 2016 in accordance with regulation 48.(1)(c)(ii) a utility may award a contract following a negotiated procedure without prior publication of a call for competition where the works, suppliers or services can be supplied only by a particular economic operator due to competition being absent for technical reasons. Single Source is required due to integration with existing systems on the fleets. ## Key Details | Field | Value | | --- | --- | | Publication source | Public Contracts Scotland | | Latest notice | https://www.publiccontractsscotland.gov.uk/search/show/search_view.aspx?ID=JUN558948 | | Notice type | OJEU - F6 - Contract Award Notice (Utilities) | | Procurement type | Standard | | Procurement category | Goods | | Procurement method | Limited | | Procurement method details | Award procedure without prior publication of a call for competition | | Tender suitability | Not specified | | Awardee scale | Not specified | | All stages | Award | ## Dates | Field | Value | | --- | --- | | Publication date | 29 Jun 2026 | | Submission deadline | Not specified | | Future notice date | Not specified | | Award date | 18 May 2026 | | Contract period | Not specified | | Recurrence | Not specified | ## Values | Field | Value | | --- | --- | | Tender value | Not specified | | Lots value | Not specified | | Awards value | Not specified | | Contracts value | Not specified | ## Status | Field | Value | | --- | --- | | Tender status | Complete | | Lots status | Complete | | Awards status | Not specified | | Contracts status | Active | ## Buyer | Field | Value | | --- | --- | | Main buyer | SCOTRAIL TRAINS LIMITED | | Locality | GLASGOW | | Post town | Glasgow | | Postcode | G2 6HQ | | Country | Scotland | | ITL 1 | TLM Scotland | | ITL 2 | TLM3 West Central Scotland | | ITL 3 | TLM32 Glasgow City | | Local authority | Glasgow City | | Electoral ward | Anderston/City/Yorkhill | | Westminster constituency | Glasgow North | | Delivery location | TLM Scotland | ## CPV Codes ### Divisions - 31 - Electrical machinery, apparatus, equipment and consumables; lighting ### Codes - 31221000 - Electrical relays ## Release History - 29 Jun 2026 at 00:00 - Award - OJEU - F6 - Contract Award Notice (Utilities) - https://www.publiccontractsscotland.gov.uk/search/show/search_view.aspx?ID=JUN558948 - 20 May 2026 at 00:00 - Award - OJEU - F15 - Voluntary Ex Ante Transparency Notice - https://www.publiccontractsscotland.gov.uk/search/show/search_view.aspx?ID=MAY556294 ## Documents - https://www.publiccontractsscotland.gov.uk/search/show/search_view.aspx?ID=MAY556294 Class 318 & 320 STPI Relays - This is a voluntary ex ante transparency (VEAT) notice. The Supply Class 318 & 320 STPI Relays. Replacement of Square D type replays with STPI - https://www.publiccontractsscotland.gov.uk/search/show/search_view.aspx?ID=JUN558948 Class 318 & 320 STPI Relays - The Supply Class 318 & 320 STPI Relays. Replacement of Square D type replays with STPI ## Notice URLs - http:// - https://api.publiccontractsscotland.gov.uk/v1/Notice?id=ocds-r6ebe6-0000832345 - https://www.scotrail.co.uk ## 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-r6ebe6-0000832345. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-r6ebe6-0000832345.json.