Great Western Railway (GWR) is seeking to establish a multi-supplier framework for the provision of fabrication, structural repair and composite repair services in support of its Train & Rolling Stock (T&RS) maintenance operations. The objective of this procurement is to establish a reliable, responsive and technically competent supply base capable of supporting GWR with both planned and ad hoc fabrication and repair requirements. The Framework is divided into the following Lots: Lot 1 - Metal Fabrication and Non-Structural Repairs: metal fabrication, replacement panel production and non-structural bodywork repairs. Lot 2 - Structural Repairs: structural repair services to vehicle body shells and load-bearing structures, including specialist welding and associated engineering activities. Lot 3 - Composite Repairs: specialist repair and refurbishment of composite components and structures. – Lot nr.: 1 Metalwork, Fabrication and Non-Structural Body Repairs Provision of metal fabrication, manufacture, replacement panel production and non-structural bodywork repairs to railway rolling stock. This Lot is primarily intended for suppliers specialising in sheet metal work, fabrication, panel manufacture and cosmetic body repairs that do not affect the primary vehicle structure. Duration contract start date : 11/12/2026 12:00:00 AM Duration contract end date : 10/12/2029 11:59:59 PM Criteria definitions: Quality: 50 (Technical) Quality: 10 (Contractual) Price: 40 (Commercial) – Lot nr.: 2 Structural Bodywork Repairs, Heavy Fabrication and Coded Welding Provision of structural repair services to railway vehicle body shells and associated load-bearing structures. This Lot is intended for suppliers possessing the necessary railway engineering competence, coded welding capability and quality controls required for safety-critical repairs. The framework will be aligned with EN 15085-6, EN 12663, EN 15227, relevant Railway Group Standards, Rail Industry Standards (RIS), OEM requirements and applicable vehicle acceptance processes. Duration contract start date : 11/12/2026 12:00:00 AM Duration contract end date : 10/12/2029 11:59:59 PM Criteria definitions: Quality: 50 (Technical) Quality: 10 (Contractual) Price: 40 (Commercial) – Lot nr.: 3 GRP, Composite and Moulded Bodywork Repairs and Fabrication Provision of specialist GRP, composite and moulded component repair, manufacture and refurbishment services. This Lot is intended for suppliers specialising in fibreglass, composite materials, mould manufacture and vehicle exterior body mouldings and internal panels. Duration contract start date : 11/12/2026 12:00:00 AM Duration contract end date : 10/12/2029 11:59:59 PM Criteria definitions: Quality: 50 (Technical) Quality: 10 (Contractual) Price: 40 (Commercial)