---
title: "RSSB2759 - T1163 Criteria for assigning differential speed categories - Supplier Engagement Day"
ocid: "ocds-b5fd17-1177f101-f754-4c02-8248-f9eb27ffcd18"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-b5fd17-1177f101-f754-4c02-8248-f9eb27ffcd18"
markdown_url: "https://d3tenders.com/contract/ocds-b5fd17-1177f101-f754-4c02-8248-f9eb27ffcd18.md"
json_url: "https://d3tenders.com/contract/ocds-b5fd17-1177f101-f754-4c02-8248-f9eb27ffcd18.json"
source: "Contracts Finder"
current_stage: "Planning"
buyer: "RAIL SAFETY AND STANDARDS BOARD LIMITED"
published: "2018-12-11"
---

# RSSB2759 - T1163 Criteria for assigning differential speed categories - Supplier Engagement Day

Buyer: RAIL SAFETY AND STANDARDS BOARD LIMITED  
Current stage: Planning  
OCID: ocds-b5fd17-1177f101-f754-4c02-8248-f9eb27ffcd18

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## Summary

The Rail Safety and Standards Board Limited is currently in the planning stage of the procurement process for the project titled "RSSB2759 - T1163 Criteria for assigning differential speed categories - Supplier Engagement Day." This initiative falls under the category of research and development services and related consultancy services, with the primary objective of establishing clear criteria for speed differentials in the rail network. The supplier engagement event is scheduled for 4th January at the RSSB offices in London, with a deadline for expressions of interest by close of play on 3rd January.

This tender presents an excellent opportunity for businesses specialising in railway research, engineering, and consultancy to engage with the RSSB and contribute to the development of vital speed criteria that impact rolling stock and infrastructure. SMEs with expertise in railway operations and a proven track record in related projects would be particularly well-suited to compete for potential future contracts resulting from this initiative. Engaging in this supplier day could facilitate valuable networking and position businesses favourably for forthcoming procurement opportunities in the sector.

## Notice

RSSB is holding a Supplier Engagement Day on Friday 4th January from 13:30 - 15:30 at RSSB offices in London. Should your organisation wish to attend or dial in to this meeting you must email the following email address with the name of your organisation and those who are to attend by COP on Thursday 3rd January: Shareditt@rssb.co.uk Dial In Details: Number: 0203 142 5510 Conference ID: 720572 -- Invitation to pre-tender meeting T1163: Criteria for assigning differential speed categories Background This project aims to produce evidence based criteria to determine for the speed differentials MU, EMU and DMU with respect to both rolling stock and infrastructure. Various lettered speed differentials are implemented across the GB rail network. These are a permission to run above line speed and offer a proven way of enabling speed increases for specific rolling stock. However, with the introduction of new fleets and significant infrastructure works the application rules need to be clarified. Differentials are dependent on the characteristics of the rolling stock and the infrastructure (principally track conditions) where the characteristics of the rolling stock and infrastructure combined are such that the trains can travel at high speeds without causes track degradation at unsustainable levels. There is little documented criteria for applying these differentials and there seem to be different approaches taken to suit local rolling stock/infrastructure features at the time with some of the rationale that determine differential speeds are well known and some less so. Previous research by RSSB (T996: Categorising the relationship between track condition, line speed, and vehicle forces) looked at the Sprinter (SP) category and following a thorough methodology the application rules from a rolling stock perspective are now clarified. As part of the previous work the locations of other differential speeds was compiled and forms a useful component of this follow on work to investigate the MU, EMU and DMU categories. High level objectives This project will develop a suite of application rules to establish clear criteria for the application of MU, DMU and EMU differential speeds to both rolling stock and infrastructure. The criteria will be used to assess both existing rolling stock and can be used as a design reference for the specification for new fleets. The infrastructure rules will set out criteria for application of differential speeds to infrastructure which can be used for applying a differential speed and raising/removing a differential speed. An important part of the work will include developing a business case framework to demonstrate real world examples where the application/amending of differentials can lead to improvements in terms of journey times, capacity or reliability improvements.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Contracts Finder |
| Latest notice | https://www.contractsfinder.service.gov.uk/Notice/aee4f4c8-bd6b-47fd-a2a9-2b3eb2616a19 |
| Notice type | Market Engagement Notice |
| Procurement type | Standard |
| Procurement category | Not specified |
| Procurement method | Not Specified |
| Procurement method details | Not specified |
| Tender suitability | SME |
| Awardee scale | Not specified |
| All stages | Planning |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 11 Dec 2018 |
| Submission deadline | Not specified |
| Future notice date | 3 Jan 2019 |
| Award date | Not specified |
| 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 | Planning |
| Lots status | Not specified |
| Awards status | Not specified |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | RAIL SAFETY AND STANDARDS BOARD LIMITED |
| Locality | LONDON |
| Post town | Central London |
| Postcode | EC2M 2RB |
| Country | England |
| ITL 1 | TLI London |
| ITL 2 | TLI4 Inner London - East |
| ITL 3 | TLI43 Haringey and Islington |
| Local authority | Islington |
| Electoral ward | Bunhill |
| Westminster constituency | Islington South and Finsbury |
| Delivery location | Not specified |

## CPV Codes

### Divisions

- 73 - Research and development services and related consultancy services

### Codes

- 73000000 - Research and development services and related consultancy services

## Release History

- 11 Dec 2018 at 13:49 - Planning - Market Engagement Notice - https://www.contractsfinder.service.gov.uk/Notice/aee4f4c8-bd6b-47fd-a2a9-2b3eb2616a19

## Documents

- https://www.contractsfinder.service.gov.uk/Notice/aee4f4c8-bd6b-47fd-a2a9-2b3eb2616a19
  11th December 2018 - Early engagement notice on Contracts Finder
- https://www.contractsfinder.service.gov.uk/Notice/Attachment/07dd1e5a-cd9d-4eaf-8069-b2caa78f417b
  T1163 Suppliers Day Invite_FINAL

## Provenance

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