From CEB Transmission Line 33W33kV 50Hz 3 160 VA 33kV/400V CEB Installation Consumer Pay Consumer Installation & Pay VCT WHM W 3CT 2VT CEB Installation DGE 150 kva DGE surge arrester M V F Cos 4P MCCB with earth leakage protection 400 A W A h Voltage Monitor Interlock M MCCB 225 A V A Load Sand Pump Intake Pump Discharge Valve Drain Pump Overhead Crane Ventilation Lighiting For Generator For Control Output (kw) Starting Method MCCB (AF) Earth Fault Protection Ammeter Run Hour Meter Capacitor (kvar) Q'ty 5.5 30 0.4 3.7 5 0.2 10 10 3 NR VSD R NR F F F F 50 50 50 50 50 50 50 50 50 Install Install Install Install Install Install Install Install Install Install Install Install Install 1st Stage 1 3 3 2 1 4 1 1 1 Final 1 4 4 2 1 4 1 1 1 Legend NR R VSD SS RSD Voltage monitor shall be provided with the following features and interlocked with all motor starters. 1. Phase failure protection 2. Supply voltage imbalance (adjustable) 3. Under and over voltage (adjustable) 4. Phase revers

3 3W33kV 50Hz 3 800 kva 33kV/400V CEB Installation Consumer Pay Consumer Installation & Pay VCT WHM 3CT 2VT W CEB Installation DGE 625 kva DGE surge arrester M V F 4P MCCB with earth leakage protection 1200A A Cos W h Voltage Monitor Interlock M MCCB 1000 A V A MCCB 50A MCCB 100A MCCB 225A MCCB 50A MCCB 800A MCCB 100A MCCB 50A MCCB 100A MCCB 225A Sedimentation MCC Rapid Sand Filter MCC AC Filter MCC Chemical MCC Transmission Pump MCC Sludge MCC For Generator Use Spear Spear Voltage monitor shall be provided with the following features and interlocked with all motor starters. 1. Phase failure protection 2. Supply voltage imbalance (adjustable) 3. Under and over voltage (adjustable) 4. Phase revers

From Main MCC Feeder From Main MCC Feeder V V 4 P MCCB with earth leakage protection 50 A A 4 P MCCB with earth leakage protection 225 A A Load Output (kw) Starting Method MCCB (AF) Earth Fault Protection Ammeter Run Hour Meter Capacitor (kvar) De-sludge Valve Sump Drainage Pump Inlet Water Sampling Pump Front of Filter Water Sampling Pump For Control 0.2 1.5 0.4 0.4 3 R NR NR NR 50 50 50 50 50 Install Install Install Install Install Install Install Install Install Install Install Install Load Output (kw) Starting Method MCCB (AF) Earth Fault Protection Ammeter Run Hour Meter Capacitor (kvar) ACF Lift Pump ACF Inflow Gate ACF Backwash Drainage Gate ACF Effluent Valve ACF Backwash Valve ACF Air Source Valve ACF Sump Drainage Pump ACF Water Sampling Pump 37 0.75 0.75 0.4 0.4 0.4 1.5 0.4 VSD R R R R R NR NR 50 50 50 50 50 50 50 50 Install Install Install Install Install Install Install Install Install Install Install Install Install Install For Control 3 50 Q'ty 1st Stage 16 2 1 1 Final 32 2 1 1 1 1 Q'ty 1st Stage Final 2 2 2 2 2 2 2 1 4 4 4 4 4 4 2 1 1 1 Wahalkada WTP Sedimentation MCC Single Line Diagram Wahalkada WTP Activated Carbon Filter MCC Single Line Diagram From Main MCC Feeder V 4 P MCCB with earth leakage protection 100 A A Load Output (kw) Inflow Gate Backwash Drainage Gate Effluent Valve Backwash Valve Air Source Valve Air Blower Sump Drainage Pump Filtrated Water Sampling Pump 0.75 0.75 0.4 0.4 0.4 22 1.5 0.4 For Control 3 Starting Method R R R R R RSD NR NR MCCB (AF) Earth Fault Protection Ammeter Run Hour Meter Capacitor (kvar) Q'ty 1st Stage Final 50 50 50 50 50 50 50 50 Install Install Install Install Install Install Install Install Install Install Install Install Install Install 4 4 4 4 4 2 2 1 8 8 8 8 8 2 2 1 Wahalkada WTP Rpid Sand Filter MCC Single Line Diagram 50 1 1 Legend NR R VSD SS RSD

From Main MCC Feeder From Main MCC Feeder V V 4 P MCCB with earth leakage protection 50 A A 4 P MCCB with earth leakage protection 100 A A Load Output (kw) Starting Method MCCB (AF) Earth Fault Protection Ammeter Run Hour Meter Capacitor (kvar) 1st Stage Q'ty Final Alum Mixer Alum Pump Chlorinator-Pre Chlorinator-Post Chemical Crane Exhaust Fan 1.5 0.75 0.025 0.025 1.15 0.4 NR NR F F F NR 50 50 50 50 50 50 Install Install Install Install Install Install Install Install Install Install Install 4 2 3 2 1 3 4 2 3 3 1 3 For Control 3 50 1 1 Load Output (kw) Starting Method MCCB (AF) Earth Fault Protection Ammeter Run Hour Meter Capacitor (kvar) Q'ty 1st Stage Final Backwash Recovery Pump Sludge Drainage Pump Sludge Thickener Sludge Pump 11 2.2 0.4 2.2 SS NR NR NR 50 50 50 50 Install Install Install Install Install Install Install Install Install Install Install Install 2 2 1 2 2 4 2 4 For Control 3 50 1 1 Wahalkada Chemical MCC Single Line Diagram Wahalkada WTP Sludge MCC Single Line Diagram From Main MCC Feeder V 4 P MCCB with earth leakage protection 800A A Load Output (kw) Starting Method MCCB (AF) Earth Fault Protection Ammeter Run Hour Meter Capacitor (kvar) 1st Stage Q'ty Final Wahalkada ET Transmission Pump Discharge Valve North Area Transmission Pump Discharge Valve South Area Transmission Pump Discharge Valve Back Wash Pump Discharge Valve Transmission PST Overhead Crane Drain Pump 5.5 0.4 55 0.4 90 0.4 22 0.4 2.2 5 RSD R VSD R VSD R SS R NR F 50 50 100 50 225 50 50 50 50 50 Install Install Install Install Install Install Install Install Install Install Install Install Install Install Install Install Install Install Install Install 2 2 2 2 2 2 2 2 4 1 3 3 3 3 3 3 2 2 4 1 Wahalkada WTP Transmission Pump MCC Single Line Diagram For Control 3 50 1 1 Legend NR R VSD SS RSD

BOGAHAWEWA.3 ET KAHATAGOLLEWA.1GR &.1ET WAHALKADA TREATMENT PLANT SITE (WAHALKADA.1ET) KAH- KEB.4ET WAHALKADA WEWA KEBITHIGOLLEWA.2GR &.5ET WEERASOLE.3GR ETHAKADA.3ET NORTH HOROWPOTANA.6ET ISINBESSAGALA.2ET WEST HOROWPOTANA.8ET EAST RAMBEWA.4ET HOROWPOTANA.4GR &.7ET MEDAWACHCHIYA.2GR RATMALGAHAWEWA.9ET HAMILLEWA.10ET RAMBEWA.1GR &.1ET TREATMENT PLANT SITE MIHINTALE SITE KAHATAGASDIGILIYA.5GR &.11ET MAHAKANDARAWA WEWA G.R. - SUMP E.T. - TOWER 0Km 5Km 10Km 15Km Km