Evidence and verification
Safety Validation & Functional Testing
Validation checks whether the implemented safeguarding and safety-related control functions meet their defined requirements and behave correctly in normal, demand and fault conditions.
- Delivery
- Survey to handover
- Coverage
- Great Britain
- Application
- Project-specific
System intent
Designed around the task—not simply the available component.
Validation checks whether the implemented safeguarding and safety-related control functions meet their defined requirements and behave correctly in normal, demand and fault conditions.
We develop the guarding arrangement in the context of machine movement, product flow, operator behaviour, cleaning and foreseeable intervention. The scope is then defined clearly for detailed engineering and installation.
Key engineering decisions
What the design needs to resolve.
These points are reviewed together because a change to access, stopping or production flow can alter the required safeguarding approach.
- 01
Requirements
Validate against written requirements and design assumptions—not an undefined checklist.
- 02
Functional demand
Actuate each guard, device and emergency function and confirm the resulting machine response.
- 03
Fault response
Introduce practicable test faults and confirm detection, inhibition and diagnostics.
- 04
Records
Capture test method, result, evidence, deviations and corrective action clearly.
Application review
Design considerations.
- All operating modes and access zones
- Stop response and retained energy
- Interlock and guard-locking faults
- Reset and unexpected restart prevention
- Series-connected device diagnostics
- Changes made during commissioning
Typical project output
What can be included in the scope.
The precise deliverables are agreed before work proceeds and depend on whether the project covers mechanical guarding only or an integrated safety-system modification.
- Validation plan and test schedule
- Functional test execution
- Stopping-time checks where in scope
- Fault-insertion tests
- Issue and corrective-action record
- Signed validation report within agreed scope
