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                            "value": "Following the publication of the RAIB report 12/2023 into the Salisbury Tunnel Junction collision of October 2021 and subsequent conclusions, there is direct recommendation to install automatic sanding equipment on all fleets. As such Northern is looking to develop automatic sanding modification on Northern's Cl.150 and Cl.156 fleets. \nNTL have assessed our fleet and this notice is to direct award an agreement which will see a modification to the already installed WSP system to permit automatic sanding on cl.150 and cl.156 units (qty 288 vehicles all DMS/DMSL).\nWith the exception of Northern's Cl.150 & CL.156 fleets, all fleets are installed with automatic sanding systems that deposit sand onto the railhead under the third axle at a fixed rate, triggered immediately when a unit encounters low adhesion. Where as the 15x fleets are fitted with Single Fixed Rate Sanding systems which further inadequacies of standard SFRS systems were highlighted after the Salisbury collision. \nThe project scope is to:\n●\tModify already fitted SFRS system as to enable automatic sanding across the Class 150s & 156s\no\tWhich will improve and standardise sanding response time once a unit has encountered low adhesion conditions and remove the human element.\n●\tThe modification is planned to have as many units completed before leaf fall 2025 on all Northern Cl.150 and Cl.156 units as to mitigate the risk of further incidents moving forward."
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                            "value": "Following the publication of the RAIB report 12/2023 into the Salisbury Tunnel Junction\ncollision of October 2021 and subsequent conclusions, there is direct recommendation to\ninstall automatic sanding equipment on all fleets. As such Northern is looking to develop\nautomatic sanding modification on Northern's Cl.150 and Cl.156 fleets.\nNTL have assessed our fleet and this notice is to direct award an agreement which will see a\nmodification to the already installed WSP system to permit automatic sanding on cl.150 and\ncl.156 units (qty 288 vehicles all DMS/DMSL).\nWith the exception of Northern's Cl.150 & CL.156 fleets, all fleets are installed with\nautomatic sanding systems that deposit sand onto the railhead under the third axle at a fixed\nrate, triggered immediately when a unit encounters low adhesion. Where as the 15x fleets are\nfitted with Single Fixed Rate Sanding systems which further inadequacies of standard SFRS\nsystems were highlighted after the Salisbury collision.\nThe project scope is to:\n● Modify already fitted SFRS system as to enable automatic sanding across the Class 150s\n& 156s\no Which will improve and standardise sanding response time once a unit has encountered\nlow adhesion conditions and remove the human element.\n● The modification is planned to have as many units completed before leaf fall 2025 on all\nNorthern Cl.150 and Cl.156 units as to mitigate the risk of further incidents moving forward."
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                            "value": "The need for a direct award is because this modification is to hardware and interlinking software of equipment that is already fitted for the Wheel Slip Protection system across NTL's 150 & 156s  fleets. The reason why AtkinsRealis (previously SNC Lavelin) own the IPR for the solution installed is because the equipment in question was previously fitted across May - Sep 2020, following funding from NWR to improve the safety of these units.\nThe solution being sourced via this notice is a further modification to the system that was originally fitted and as such only AtkinsRealis are in a position to carry out the modification."
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