3.1 Risk Assessment Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Hazard Risk Rank How is this control If not controlled what Timeframe Hazard What is the control, if monitored? could be done to for action Controlled? any? improve safety? Bore water High Yes UV system Routine inspection of the 1.Undertake monthly Within 1 contaminated by Membrane system water treatment system E. coli testing. month surface activities 2. Sign non potable water Contamination Medium Yes Screen on tank inlet Screens cleaned every 2 Sign Posted non potable Monthly from tank weeks. water. Tank drained every 2 Disinfection years Low pH of water Low No Run taps before use of Run taps before use of corroding water water has been standing plumbing fittings in pipes for a while when the taps haven’t been used so water sits in pipes Contamination Low Yes Roof integrity Cleaning of gutters. Ensure cover on tank is Monthly from insects, birds Clearing overhanging sealed and animals vegetation entering directly from the roof of the tank
3.1 Risk Assessment Step 1 Hazard Step 2 Risk Rank Step 3 Step 4 How is this control monitored? Step 5 If not controlled what could be done to improve safety? Step 6 Timeframe for action Hazard Controlled? What is the control, if any? Bore water contaminated by surface activities High Yes UV system Membrane system Routine inspection of the water treatment system 1.Undertake monthly E. coli testing. 2. Sign non potable water Within 1 month Contamination from tank Medium Yes Screen on tank inlet Screens cleaned every 2 weeks. Tank drained every 2 years Sign Posted non potable water. Disinfection Monthly Low pH of water corroding plumbing fittings when the taps haven’t been used so water sits in pipes Low No Run taps before use of water Run taps before use of water has been standing in pipes for a while Contamination from insects, birds and animals entering directly from the roof of the tank Low Yes Roof integrity Cleaning of gutters. Clearing overhanging vegetation Ensure cover on tank is sealed Monthly
QAP%20commercial%20template_bore%20with%20UV%20V2.docx