---
title: "DLSITT1045 - Supply of Safety Instrumented System for Three Flagship Beamlines and HeXI for DLS"
ocid: "ocds-b5fd17-6472f6db-dad5-4995-a18a-f4f5a9278f4a"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-b5fd17-6472f6db-dad5-4995-a18a-f4f5a9278f4a"
markdown_url: "https://d3tenders.com/contract/ocds-b5fd17-6472f6db-dad5-4995-a18a-f4f5a9278f4a.md"
json_url: "https://d3tenders.com/contract/ocds-b5fd17-6472f6db-dad5-4995-a18a-f4f5a9278f4a.json"
source: "Contracts Finder"
current_stage: "Award"
buyer: "DIAMOND LIGHT SOURCE LTD"
published: "2025-04-28"
---

# DLSITT1045 - Supply of Safety Instrumented System for Three Flagship Beamlines and HeXI for DLS

Buyer: DIAMOND LIGHT SOURCE LTD  
Current stage: Award  
OCID: ocds-b5fd17-6472f6db-dad5-4995-a18a-f4f5a9278f4a

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## Summary

The procurement process for the contract titled "DLSITT1045 - Supply of Safety Instrumented System for Three Flagship Beamlines and HeXI for DLS" has reached the award stage. The buying organisation, Diamond Light Source Ltd, located at the Harwell Science and Innovation Campus in Oxfordshire, seeks to upgrade its facilities to the Diamond-II programme. This process is classified under the industry category of "Safety installations," adhering to an open procurement method. The tender period ended on 19th December 2024, with the contract's commencement and conclusion set from late January 2025 to late January 2027. The awarded supplier, Sella Controls Limited, is contracted to deliver safety logic solver solutions for compliance with the Ionising Radiation Regulations 2017.

This tender presents significant business growth opportunities for companies engaged in safety technology and systems integration. The required expertise includes interfacing safety sensors, control devices, and compliance with safety integration standards like IEC 61508. Businesses that specialise in providing high integrity safety systems, particularly small and medium-sized enterprises (SMEs), can benefit from engaging in this sector. The project underscores a collaborative push towards technological advancement, inviting capable businesses to partake in transformative scientific developments.

## Notice

Located on the Harwell Science and Innovation Campus in Oxfordshire, Diamond Light Source (DLS) is a leading-edge facility for science, engineering and innovation. Diamond allows researchers from academia and industry to investigate the structure and behaviour ofthe 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 coordinated 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 Diamond Light Source requires four Safety Logic solver solutions to manage safe Personnel access into areas under the control of the Ionising Radiation Regulations 2017 act. The Logic solver solution must be capable of interfacing to High integrity safety sensors, control & protective devices, and report status of the system to EPICS our Supervisory, Control and Data acquisition system. The system must comply with IEC 61508 and achieve the required Safety Integration Level to mitigate hazards harmful to health. We anticipate each standalone system will potentially manage several hundred IO. To apply visit our website which requires suppliers to complete a one-off simple registration form, which will generate a unique password for your account. You are then able to login to register your interest against the Tender and download the tender documents. Link to the site: https://tenders.diamond.ac.uk/Home.aspx.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Contracts Finder |
| Latest notice | https://www.contractsfinder.service.gov.uk/Notice/015e92dc-07da-46af-a97b-cec93fc316e4 |
| Notice type | Award Notice |
| Procurement type | Standard |
| Procurement category | Goods |
| Procurement method | Open |
| Procurement method details | Open procedure (above threshold) |
| Tender suitability | SME |
| Awardee scale | SME |
| All stages | Tender, Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 28 Apr 2025 |
| Submission deadline | 19 Dec 2024 |
| Future notice date | Not specified |
| Award date | 27 Mar 2025 |
| Contract period | 27 Mar 2025 - 6 Oct 2025 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| Lots value | Not specified |
| Awards value | £903,737 |
| Contracts value | Not specified |

## Status

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

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | DIAMOND LIGHT SOURCE LTD |
| Locality | DIDCOT, OXFORDSHIRE |
| 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 | Not specified |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | SELLA CONTROLS |

## CPV Codes

### Divisions

- 35 - Security, fire-fighting, police and defence equipment

### Codes

- 35113300 - Safety installations

## Release History

- 28 Apr 2025 at 14:56 - Award - Award Notice - https://www.contractsfinder.service.gov.uk/Notice/015e92dc-07da-46af-a97b-cec93fc316e4
- 19 Nov 2024 at 11:53 - Tender - Tender Notice - https://www.contractsfinder.service.gov.uk/Notice/0c2bd033-287b-4f23-b8c6-f49f41f28d92

## Documents

- https://www.contractsfinder.service.gov.uk/Notice/015e92dc-07da-46af-a97b-cec93fc316e4
  28th April 2025 - Awarded contract notice on Contracts Finder
- https://www.contractsfinder.service.gov.uk/Notice/0c2bd033-287b-4f23-b8c6-f49f41f28d92
  19th November 2024 - Opportunity notice on Contracts Finder

## Notice URLs

- https://tenders.diamond.ac.uk/Home.aspx

## Provenance

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