Barrier Placement Associated Node Barrier Type Missing Person Person Puts Equipment in Place Safe by Design Barrier Description Barrier Strength Barrier Strength (semi-quantitative) Manual Barrier Reliability Adjustment (%) How simple is it to do correctly? Very simple and obvious Takes attention or judgement Complicated or constantly changing What are the working conditions like? Calm and normal Busy / some pressure Rushed / stressful / long shifts Is anyone checking this? We rely on people to do the right thing Checked occasionally Checked every time by someone else The system won't work unless it's used Is it regularly inspected/maintained? Yes - formal inspection system Sometimes Rarely / not sure Does it work automatically? Yes - no one needs to do anything It works automatically but can be overridden Can it be bypassed? Very difficult and monitored Possible but controlled Easy to bypass Commonly bypassed in practice Is the environment harsh for this control? No / normal Somewhat harsh Very harsh Advanced scoring Current PFD RRF Demand Mode Low Demand High Demand Continuous Test Interval Common Cause Group Latest Assurance Result Requires significant improvement Requires minor improvement Met the required standard Exceeded the required standard Latest assurance result date recorded Gut-feeling Really Concerned Concerned Not too concerned OK Good Nothing to worry about Gut-feeling date recorded Barrier owner Node Reference ID