Other O1.2.2.3.3.4.4.3.1.4 Assumptions

• Supports Argument: A1.2.2.3.3.4.4.3.1 Collision Method 1 Using an Engineered SSC in the form of a guard. The guard has been designed, Hdbk, analysed, tested and shown to adequately mitigate Hazard 1 (Collision)

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The robot is performing tasks with radiological hazards which are below the onsite and offsite BSL.

The hazard is mitigated by a simple guard SIF which has 1oo4 redundancy.