---
title: "DLSITT1071 - Supply of Arc Vessel Support Components for Diamond-II"
ocid: "ocds-h6vhtk-06dee6"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-06dee6"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-06dee6.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-06dee6.json"
source: "Find A Tender Service"
current_stage: "Tender"
buyer: "DIAMOND LIGHT SOURCE LIMITED"
published: "2026-08-07"
---

# DLSITT1071 - Supply of Arc Vessel Support Components for Diamond-II

Buyer: DIAMOND LIGHT SOURCE LIMITED  
Current stage: Tender  
OCID: ocds-h6vhtk-06dee6

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## Summary

Diamond Light Source Limited, a central government public authority, has initiated a tender process titled "DLSITT1071 - Supply of Arc Vessel Support Components for Diamond-II," with a focus on the "Miscellaneous fabricated products and related items" category. This procurement is part of the significant upgrade project at Diamond Light Source, located at the Harwell Science & Innovation Campus in Didcot, Oxfordshire. The tender is currently active in its open procedure stage, with submissions due by 7th September 2026. The awarded contract, valued up to £1,080,000, will commence on 1st October 2026 and conclude by 1st March 2028. The procurement method involves a comprehensive process that requires manufacturing, quality assurance, and delivery, with recommendations for design improvements encouraged as part of the tender submission.

This tender presents considerable opportunities for businesses involved in the fabrication and machining industry, particularly those adept at producing high-precision components. Businesses that are capable of managing contracts, handling quality assurance, and delivering completed assemblies can significantly benefit from competing for this contract. The project encourages small and medium enterprises to participate, provided they possess the technical capacity and experience in handling sophisticated engineering projects. Given the diverse scope that includes manufacturing, procurement of materials, and contract management, companies skilled in these areas can leverage this opportunity for growth and establish a strong collaborative relationship with a leading-edge scientific facility. The open procedure allows a broad range of businesses to engage, fostering competitive offers aligned with the project's quality and delivery criteria.

## Notice

Located on the Harwell Science & Innovation Campus in Oxfordshire, Diamond Light Source (DLS) is a leading-edge facility for science, engineering and innovation. DLS allows researchers from academia and industry to investigate the structure and behaviour of the world around us at the atomic and molecular level. To continue delivering the world-changing science that Diamond enables, the facility is being upgraded to Diamond-II, a co-ordinated programme of development that combines a major machine upgrade with new instruments and complementary improvements to optics, detectors, sample environment and delivery capabilities, and computing, as well as integrated and correlative methods. This will be transformative in speed and spatial resolution and will offer users streamlined access to enhanced instruments for life and physical sciences. The scope of the contract is to manufacture various vessel support fabrications, assemblies and machined components to DLS designs as detailed in the specification. All assemblies should be delivered fully assembled and set to their mid travel where applicable. Completed components are to be delivered to Diamond Light Source. DLS will supply detailed manufacturing drawings and models with the specification. These specify geometry, materials, machining, stress relieving and any coatings required. Suppliers are invited to make recommendations to modify the designs to improve performance, cost or delivery in their tender submission. The contract for this includes: * Contract management * Purchase of all materials. * Manufacture of the components according to the table specified in specification * All jigs and tooling required for manufacture * Cleaning and protecting * Quality assurance documentation * Delivery * Packing See specification for further details.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/075200-2026 |
| Notice type | UK4 - Tender Notice |
| Procurement type | Standard |
| Procurement category | Goods |
| Procurement method | Open |
| Procurement method details | Open procedure |
| Tender suitability | SME |
| Awardee scale | Not specified |
| All stages | Tender |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 7 Aug 2026 |
| Submission deadline | 7 Sep 2026 |
| Future notice date | Not specified |
| Award date | Not specified |
| Contract period | 30 Sep 2026 - 1 Mar 2028 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £900,000 |
| Lots value | £900,000 |
| Awards value | Not specified |
| Contracts value | Not specified |

## Status

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

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | DIAMOND LIGHT SOURCE LIMITED |
| Locality | DIDCOT |
| Post town | Oxford |
| Postcode | OX11 0DE |
| Country | England |
| ITL 1 | TLJ South East (England) |
| ITL 2 | TLJ1 Berkshire, Buckinghamshire and Oxfordshire |
| ITL 3 | TLJ14 Oxfordshire CC |
| Local authority | Vale of White Horse |
| Electoral ward | Blewbury & Harwell |
| Westminster constituency | Didcot and Wantage |
| Delivery location | TLJ14 Oxfordshire CC |

## CPV Codes

### Divisions

- 44 - Construction structures and materials; auxiliary products to construction (except electric apparatus)

### Codes

- 44400000 - Miscellaneous fabricated products and related items

## Release History

- 7 Aug 2026 at 10:24 - Tender - UK4 - Tender Notice - https://www.find-tender.service.gov.uk/Notice/075200-2026

## Documents

- https://www.find-tender.service.gov.uk/Notice/075200-2026
  7th August 2026 - Tender notice on Find a Tender
- https://tenders.diamond.ac.uk
  Visit our web page: https://tenders.diamond.ac.uk Here Suppliers are required to complete a one-off simple registration form. You are then able to login to register an interest against the tender and download the Tender Documents.

## Notice URLs

- https://diamondtenders@diamond.ac.uk
- 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-06dee6. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-06dee6.json.