---
title: "942051957 IMP-T1327 Compatibility of heights of standard vehicle gauges with low contact wire heights"
ocid: "ocds-h6vhtk-0528d7"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-0528d7"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-0528d7.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-0528d7.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "RAIL SAFETY STANDARDS BOARD (RSSB)"
published: "2025-11-07"
---

# 942051957 IMP-T1327 Compatibility of heights of standard vehicle gauges with low contact wire heights

Buyer: RAIL SAFETY STANDARDS BOARD (RSSB)  
Current stage: Award  
OCID: ocds-h6vhtk-0528d7

[View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-h6vhtk-0528d7)  
[Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-0528d7.json)

## Summary

The procurement process led by the Rail Safety Standards Board (RSSB) focuses on a contract titled "Compatibility of heights of standard vehicle gauges with low contact wire heights" within the research services industry. This tender was situated in London, United Kingdom, and pertains to investigating safety issues related to discrepancies in vehicle gauge dimensions near live overhead wires. Initial stages of the tender were active as of 29 May 2025, with a submission deadline on 27 June 2025. The award phase concluded with RSSB awarding the contract to DGauge Ltd on 6 October 2025, with the contract period commencing on 8 November 2025 and ending on 5 August 2026. The procurement process employed an open, below-threshold competition method, focusing on sub-central government public authority needs.

This tender presents a significant opportunity for businesses specialising in research services related to railway safety and standards. Companies with expertise in gauging and electrification standards would find this contract particularly beneficial for growth as it includes scope to influence potential changes in national safety standards. Large enterprises capable of delivering comprehensive research findings that can influence technical notes would be well-suited to compete in such tenders. The open nature of the competition method offers an inclusive chance for diverse businesses, although the final stage received bids from larger firms, indicating a competitive landscape. With a considerable contract value of £120,000 gross, successful participants could leverage this project to enhance their portfolio in public transport infrastructure projects.

## Notice

This research intends to investigate the discrepancies between the maximum vertical dimensions within different gauges, which could create safety issues where such exceedances occur in the vicinity of live overhead wires. The results of this piece of work needs to provide robust evidence to inform the creation of a technical note and potential changes to gauging and electrification standards. To view this notice, please click here: https://www.delta-esourcing.com/delta/viewNotice.html?noticeId=992873335

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/072046-2025 |
| Notice type | UK6 - Contract Award Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Open |
| Procurement method details | Below threshold - open competition |
| Tender suitability | Not specified |
| Awardee scale | Large |
| All stages | Tender, Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 7 Nov 2025 |
| Submission deadline | 27 Jun 2025 |
| Future notice date | Not specified |
| Award date | 28 Sep 2025 |
| Contract period | 10 Nov 2025 - 5 Aug 2026 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £100,000 |
| Lots value | £100,000 |
| Awards value | £220,000 |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Complete |
| Awards status | Active |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | RAIL SAFETY STANDARDS BOARD (RSSB) |
| Locality | LONDON |
| Post town | Central London |
| Postcode | EC3M 5AD |
| Country | England |
| ITL 1 | TLI London |
| ITL 2 | TLI3 Inner London - West |
| ITL 3 | TLI35 Westminster and City of London |
| Local authority | City of London |
| Electoral ward | Aldgate |
| Westminster constituency | Cities of London and Westminster |
| Delivery location | Not specified |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | DGAUGE |

## CPV Codes

### Divisions

- 73 - Research and development services and related consultancy services

### Codes

- 73110000 - Research services

## Release History

- 7 Nov 2025 at 13:33 - Award - UK6 - Contract Award Notice - https://www.find-tender.service.gov.uk/Notice/072046-2025
- 29 May 2025 at 13:05 - Tender - UK4 - Tender Notice - https://www.find-tender.service.gov.uk/Notice/028462-2025

## Documents

- https://www.find-tender.service.gov.uk/Notice/072046-2025
  7th November 2025 - Contract award notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/028462-2025
  29th May 2025 - Tender notice on Find a Tender

## Notice URLs

- https://rssb.delta-esourcing.com/
- https://www.delta-esourcing.com/delta/viewNotice.html?noticeId=992873335
- https://www.legislation.gov.uk/ukpga/2023/54/contents

## 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-h6vhtk-0528d7. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-0528d7.json.