--- title: "Class 156 Life Extension - Amplifier upgrades" ocid: "ocds-r6ebe6-0000808968" canonical_url: "https://d3tenders.com/contract/?ocid=ocds-r6ebe6-0000808968" markdown_url: "https://d3tenders.com/contract/ocds-r6ebe6-0000808968.md" json_url: "https://d3tenders.com/contract/ocds-r6ebe6-0000808968.json" source: "Public Contracts Scotland" current_stage: "Award" buyer: "SCOTRAIL TRAINS LIMITED ." published: "2025-09-11" --- # Class 156 Life Extension - Amplifier upgrades Buyer: SCOTRAIL TRAINS LIMITED . Current stage: Award OCID: ocds-r6ebe6-0000808968 [View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-r6ebe6-0000808968) [Download OCDS JSON](https://d3tenders.com/contract/ocds-r6ebe6-0000808968.json) ## Summary The public procurement process for the "Class 156 Life Extension – Amplifier upgrades" has concluded under a voluntary ex ante transparency (VEAT) notice. Conducted by ScotRail Trains Limited, located in Glasgow, this contract pertains to the industry category of Railway Services. It involves the supply, design, and support of Automatic Amplifiers for Diesel Multiple Units (DMUs). The procurement was executed through a limited method, citing exclusive rights and the necessity for integration with existing systems as per The Utilities Contracts (Scotland) Regulations 2016. The contract stage is complete with the award notice published on 11th September 2025. This tender offers business growth opportunities, particularly for entities specialising in railway technology, amplifier systems, and those with existing maintenance frameworks compatible with ScotRail's equipment. The specific expertise required suggests that businesses already holding intellectual property rights or exclusive integration capabilities would be well-suited to compete in similar future tenders. Firms looking to expand their service offerings in the railway sector could benefit from understanding the technical and regulatory requirements demonstrated in this contract award. ## Notice This is a voluntary ex ante transparency (VEAT) notice. The Supply, design and ongoing support of Automatic Amplifiers for the Class 156 fleet of Diesel Multiple Units (DMUs). ### Lot Information Lot 1 This is a voluntary ex ante transparency (VEAT) notice. The provision for Fitment of Automatic Amplifiers is to address low Public Address (PA) Speech Transmission Index (STI). Also, Mobile Realtime Communications Module (MRCM comms) for the Class 156 fleet of Diesel Multiple Units (DMUs). The proposed contract will provide continuity of operation of the system based upon the existing solution in which there has been significant prior investment. The Saloon Amplifier Call for aid Units (SACUs) and Saloon Amplifiers (SAs) will automatically amplify the voltage level of the manual PA to be at a set volume, regardless of the voltage entering the amplifier. The purpose of this is to maintain proper PA volume in multiple. ### Procurement Information On the basis of The Utilities Contracts (Scotland) Regulations 2016 in accordance with regulation 48.(1)(c)(iii) a utility may award a contract following a negotiated procedure without prior publication of a call for competition where the works, supplies or services can be supplied only by a particular economic operator due to the protection of exclusive rights, including intellectual property rights. Single Source is required due to integration with existing Amplifiers and systems on the fleet. The Contractor is the OEM for the existing passenger information system equipment and hold the IPR for the system. Therefore, no other provider can supply and maintain the equipment which will integrate with the existing system. ## Key Details | Field | Value | | --- | --- | | Publication source | Public Contracts Scotland | | Latest notice | https://www.publiccontractsscotland.gov.uk/search/show/search_view.aspx?ID=SEP539034 | | Notice type | OJEU - F15 - Voluntary Ex Ante Transparency Notice | | 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 | 11 Sep 2025 | | Submission deadline | Not specified | | Future notice date | Not specified | | Award date | 11 Sep 2025 | | 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 - 32 - Radio, television, communication, telecommunication and related equipment ### Codes - 32343000 - Amplifiers ## Release History - 11 Sep 2025 at 00:00 - Award - OJEU - F15 - Voluntary Ex Ante Transparency Notice - https://www.publiccontractsscotland.gov.uk/search/show/search_view.aspx?ID=SEP539034 ## Documents - https://www.publiccontractsscotland.gov.uk/search/show/search_view.aspx?ID=SEP539034 Class 156 Life Extension - Amplifier upgrades - This is a voluntary ex ante transparency (VEAT) notice. The Supply, design and ongoing support of Automatic Amplifiers for the Class 156 fleet of Diesel Multiple Units (DMUs). ## Notice URLs - http:// - https://api.publiccontractsscotland.gov.uk/v1/Notice?id=ocds-r6ebe6-0000808968 - https://www.publiccontractsscotland.gov.uk/search/Search_AuthProfile.aspx?ID=AA30589 ## 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-r6ebe6-0000808968. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-r6ebe6-0000808968.json.