TfW - Substations with Contained Gas Insulated Switchgear
Published
Description
TfW has awarded a supply contract to Siemens Mobility for the purchase of Side entry 8DA11 CGIS (Contained Gas Insulated Switchgear). TfW identified that it needed to ensure that the side entry 8DA11 CGIS is purchased in line with PADS approvals and do so in a manner that is achievable within capital and revenue budget and programme. Lot 1: TfW has awarded a supply contract to Siemens Mobility for the purchase of Side entry 8DA11 CGIS (Contained Gas Insulated Switchgear). Transport for Wales (TfW), and its delivery partners, are responsible for the development and delivery of the South Wales Metro, including the CVL Transformation programme, which will integrate public transport services and systems in South East Wales. Part of this programme includes the electrification of the Core Valley Lines in South East Wales (comprising Rhymey to Cardiff Queen Street, Coryton Spur, Merthyr Tydfil to Cardiff Queen Street, Aberdare to Cardiff Queen Street, Aberdare to Hirwaun, Treherbert to Cardiff Queen Street, Cardiff Queen Street to Cardiff Central and Cardiff Central to Cardiff Bay) and will require supply and fixing of substations to create the power network. TfW identified that Siemens Mobility is the only supplier capable of meeting TfW’s requirements, for the following reasons. The required items must be supplied by a Network Rail Parts and Drawings System ("PADS") approved supplier of side entry 8DA11 CGIS (Contained Gas Insulated Switchgear) in order to conform to Network Rail and TfW standards, namely NR/L1/ELP/27000, NR standard NR/PS/ELP/27236 and PADS Certificate PA05/00637, including as well the following British Standards policies and legislations as detailed in NR/L1/ELP/27000: BS7671 – Requirements for electrical installations BS EN 50119 – Railway applications. Fixed installations. Electric traction overhead contact lines. BS EN 50122 - Railway applications. Fixed installations. Electrical safety, earthing and the return circuit BS EN 50149 - Railway applications. Fixed installations. Electric traction. Copper and copper alloy grooved contact wires BS EN 50163 & A1 – Railway Applications. Supply voltages of traction systems BS EN 50367 – Railway applications. Current collection systems. Technical criteria for the interaction between opantograph and overhead line (to achieve free access) BS EN 50388 – Railway Applications. Power supply and rolling stock. Technical criteria for the coordination between power supply (substation) and rolling stock BS EN 50463-4 – Railway Applications. Energy measurement on board trains. Communication CDM – Construction (Design and Management) Regulations 2015 Electrical Power Asset Policy 2012 Electrical Power Asset Policy Appendices 2012 Electrical Safety, Quality and Continuity Regulations 2002 Electrical at Work Regulations 1989 ENE TSI – Commission Regulation )EU) No 1301/2014 of 18 November 2014 on the technical specification for interoperability relating to the ‘energy’ subsystem of the rail system in the Union Environmental Protection Regulations 2000 Fire Precautions Sub Surface Railway Stations Regulations 1989 Fluorinated Greenhouse Gases Regulations 2009 GL/RT 1210 – AC Energy Subsystem and Interfaces to Rolling Stock Subsystem IEC 61850 – Power Utility Automation The supplier must be PADS approved because the product acceptance process gives TfW the assurance that products accepted for use on or about the infrastructure are safe, compatible, reliable, fit for purpose and do not export unacceptable risks to Network Rail and/or TfW infrastructure. The supplier must also have side entry cable capacity to ensure conformity with the standards detailed above and to meet the system design requirements where due consideration was given to all types of design and decisions based on concerns regarding land take and consents and potential for vandalism have led to the requirement for CGIS Switchgear. TfW's expert advisers conducted market investigations and on the basis of these Siemens is currently the only PADS approved supplier of CGIS switchgear with side entry which meets the above requirements.
Timeline
Award date
4 years ago
Publish date
3 years ago
Buyer information
Transport for Wales
- Contact:
- Tamara Evans
- Email:
- Procurement@tfw.wales
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