Contract award · 12 Jan 2026

MSSS (Magnox Swarf Storage Silo) Plant Control System Offline Feasibility Rig

Sellafield Limited awarded “MSSS (Magnox Swarf Storage Silo) Plant Control System Offline…” to ABB Limited. Awarded without open competition.

No competitionLaboratory & precision equipmentNorth West

Value Not published
WinnerABB Limited

Awarded without open competition

Awarded without open competition. The buyer went directly to one or a few suppliers instead of advertising the contract. Procurement rules allow this only in specific cases, such as extreme urgency, when only one supplier can do the work, or for call-offs from an existing framework.

What “without competition” means

Key facts

Buyer
Sellafield Limited · Nuclear
Supplier
ABB Limited
Value
Not published
Procedure
Award procedure without prior publication of a call for competition
Sector
Laboratory & precision equipment · Industrial process control equipment and remote-control equipment (CPV 38800000)
Timeline
  1. Contract date12 Jan 2026
  2. Published14 Jan 2026Published 2 days after the contract date

Description

Supply and deliver an offline test rig replica of the existing online MSSS/ABB DAMS PES system installed in MSSS. The offline engineering system shall be based on 800xA System Version 6.1.1.1 which is a long time support version (LTS). <br/><br/>Scope of Supply Summary:<br/>1. Virtual Server Host<br/>2. Thin Client<br/>3. New suitable AC800M Controller and Ethernet IO interface cards<br/>4. Cabinet<br/>5. All the necessary software and Licences<br/>6. System Engineering<br/>7. Testing<br/><br/>The test rig will enable the existing bespoke control systems applications responsible for running and monitoring of systems and processes within MSSS to be updated offline to the latest supported version of the ABB software which is required as the existing system is now obsolete and no longer supported - further, elements of the hardware are now obsolete and require the newer version of 800xA (6.1) software to operate. The rig will provide the equipment needed to carry out necessary testing to…

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