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**A 65m deep shaft was created on the Dounreay site during the 1950s. It was later used as a store for Intermediate Level Waste to within 20m of ground level.**

In March 2013, following a competitive exercise, Veolia Nuclear Solutions (VNS) was awarded a contract to develop a concept design for the equipment for clearance of the shaft and tunnel. VNS was able to assemble a multi-disciplinary team with the skills and experience to develop a solution for the unique and challenging problems of operations within the Dounreay shaft and tunnel.

The solution VNS developed consists of a Shaft Intervention Platform (SIP) from which two manipulator arms are suspended.

 [PDF

  Case study | Shaft Intervention Platform  (376.7 Ko)  

    ](/sites/g/files/dvc2436/files/document/2024/09/VNS-MKT-CST-0030%20Shaft%20Intervention%20Platform_Case%20Study.pdf)