---
title: "Gearbox Refurbishment at Big Pit National Coal Museum"
ocid: "ocds-kuma6s-107360"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-kuma6s-107360"
markdown_url: "https://d3tenders.com/contract/ocds-kuma6s-107360.md"
json_url: "https://d3tenders.com/contract/ocds-kuma6s-107360.json"
source: "Sell2Wales"
current_stage: "Award"
buyer: "AMGUEDDFA CYMRU - NATIONAL MUSEUM WALES"
published: "2022-03-29"
---

# Gearbox Refurbishment at Big Pit National Coal Museum

Buyer: AMGUEDDFA CYMRU - NATIONAL MUSEUM WALES  
Current stage: Award  
OCID: ocds-kuma6s-107360

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## Summary

The procurement process is managed by Amgueddfa Cymru - National Museum Wales, located in Cardiff, and pertains to the refurbishment of a gearbox for the Big Pit National Coal Museum. The tender, titled "Gearbox Refurbishment at Big Pit National Coal Museum," falls under the industry category of services, specifically mechanical engineering services. This procurement is currently at the award stage, with the successful contract awarded on 2nd February 2022 for a total value of £40,000. The pivotal tasks include repair and refurbishment of the gearbox, which is critical for its ongoing operation.

This contract presents an opportunity for businesses specialising in mechanical engineering services, particularly those with expertise in gearbox refurbishment and heavy machinery repair. Companies with a strong background in technical inspections, manufacturing replacement parts, and mechanical assembly would be well-suited to compete for similar contracts. Engaging with this tender process allows businesses to establish valuable relationships with public sector organisations and expand their portfolio within the services category.

## Notice

Refurbishment of existing gearboxGearbox specification:David Brown H3-500 Foot mounted gearbox.Gear Ratio: 57.7:1Serial Number: G240006Summary of gearbox fault:The gear wheel on the third motion shaft is moving on the shaft approx. 0.053" when the gearbox is subjected to 100 amps static load.The bearings on the third and final motion shafts have at some point been rotating in their housings causing a small amount of wear. This has now been prevented by use of bearing retainer.Suggested works to repair gearbox:* Pick gearbox up from ourselves at Big Pit.* Strip gear unit.* Clean components.* Metal particle inspection of gear teeth (NDT).* Manufacture new special third motion pinion shaft.* Remove gear wheel from pinion shaft.* Manufacture new key.* Clean up bore on gear wheel.* Assemble gear wheel and new third motion pinion shaft including new distance piece if required.* Replace bearings.* Skim & bore gear case.* Rebuild gear unit.* No load spin test.* Supply and fit David Brown heavy duty cone ring Flexible type 18 half coupling. (small hole half)* Supply new set of pins and cones.* Deliver gear unit back to ourselves at Big Pit by the 15th March 2021.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Sell2Wales |
| Latest notice | https://www.sell2wales.gov.wales/search/search_switch.aspx?ID=107360 |
| Notice type | S2W Notice - Website Contract Award Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Not Specified |
| Procurement method details | Not specified |
| Tender suitability | Not specified |
| Awardee scale | Not specified |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 29 Mar 2022 |
| Submission deadline | Not specified |
| Future notice date | Not specified |
| Award date | 2 Feb 2022 |
| Contract period | Not specified |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| Lots value | Not specified |
| Awards value | £40,000 |
| Contracts value | Not specified |

## Status

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

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | AMGUEDDFA CYMRU - NATIONAL MUSEUM WALES |
| Locality | CARDIFF |
| Post town | Cardiff |
| Postcode | CF10 3NP |
| Country | Wales |
| ITL 1 | TLL Wales |
| ITL 2 | TLL5 South East Wales |
| ITL 3 | TLL52 Cardiff and Vale of Glamorgan |
| Local authority | Cardiff |
| Electoral ward | Cathays |
| Westminster constituency | Cardiff South and Penarth |
| Delivery location | Not specified |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | SHEFFIELD TRANSMISSION DEVELOPMENTS |

## CPV Codes

### Divisions

- 71 - Architectural, construction, engineering and inspection services

### Codes

- 71333000 - Mechanical engineering services

## Release History

- 29 Mar 2022 at 12:00 - Award - S2W Notice - Website Contract Award Notice - https://www.sell2wales.gov.wales/search/search_switch.aspx?ID=107360

## Notice URLs

- https://www.museumwales.ac.uk
- https://www.sheffield-transmission.com

## 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-kuma6s-107360. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-kuma6s-107360.json.