Table 8: Operational monitoring plan* Treatment Activity and function of Indicator parameter CCP/ Location Frequency Alert level Critical limit Corrective action process monitoring QCP (CCP only) Coarse Coarse particle screening Turbidity QCP Chloramination Daily >2 NTU QCP n/a Automatic shutdown of feed pump – filtration feed to microfiltration units. Inspection and action in accordance with operational procedures Pressure rate CCP Daily PDR>3 PDR>5 kPa/min kPa/min No. of back flushes CCP Daily/ As per As per per day or week weekly supplier’s supplier’s Inspection and repair in accordance advice advice Membrane with operational procedures. Breach Microfiltration Membrane function rack and PLC of CL’s at multiple units will result in Trans-membrane CCP Daily/ As per As per system shutdown of feed pump to pressure weekly supplier’s supplier’s microfiltration units advice advice Flow QCP Daily > 30 L/m2h QCP n/a – Turbidity QCP Daily >1 NTU QCP-n/a Pressure decay rate CCP Membrane Auto PDR> x PDR> 5 rack & PLC controlled kPa/min kpa/min system as Reverse Membrane function required osmosis Permeate EC CCP Post RO Rack > 20 µS/cm > 30 µS/cm
Table 8: Operational monitoring plan* Treatment process Activity and function of monitoring Indicator parameter CCP/ QCP Location Frequency Alert level Critical limit (CCP only) Corrective action Coarse filtration Coarse particle screening Turbidity QCP Chloramination feed Daily >2 NTU QCP – n/a Automatic shutdown of feed pump to microfiltration units. Inspection and action in accordance with operational procedures Microfiltration Membrane function Pressure rate CCP Membrane rack and PLC system Daily PDR>3 kPa/min PDR>5 kPa/min Inspection and repair in accordance with operational procedures. Breach of CL’s at multiple units will result in shutdown of feed pump to microfiltration units No. of back flushes per day or week CCP Daily/ weekly As per supplier’s advice As per supplier’s advice Trans-membrane pressure CCP Daily/ weekly As per supplier’s advice As per supplier’s advice Flow QCP Daily > 30 L/m2h QCP – n/a Turbidity QCP Daily >1 NTU QCP-n/a Reverse osmosis Membrane function Pressure decay rate CCP Membrane rack & PLC system Auto controlled as required PDR> x kPa/min PDR> 5 kpa/min Permeate EC CCP Post RO Rack > 20 µS/cm > 30 µS/cm
Recycled-Water-Management-Plan-Template-Final.docx