The City of Cape Town's Role in Creating a Better Life for All - MILE

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Benefits Derived from the Improved SystemMANAGEMENT REPORTSEffective management information(shift/day/month/ year) :Water treated and dosage trendsoAppears to vary, but reported to2 decimal placesChemical dosage precisionoActual vs targetpH control precisionoActual vs targetChemical mass-balance reportsoAccurate consumption reports andinventory controlStock leveloAlso expressed as “days stockremaining at current consumption”Cost & Performance:oooooChemical costsUnit process costsChemical savingsProcess efficiencyProcess Controller performance
Measured Effects and ImprovementsIMPROVED COAGULATION pH CONTROLEssential for effective coagulation and flocculation - achieved through:Closer monitoring with a continuous graphical display of the “Actual pH vsthe Target pH” – useful tool for process controllersAutomatic adjustment of lime dosing by linking motor speed of the screwfeed at the base of the silo proportionately to the plant flowDemonstrated by tighter groupingof plots – less scatterImproved Treated waterAluminium levels afterMay 2000May 2000
Page 1 and 2: ACHIEVING THE BLUE DROPA City of Ca
Page 3 and 4: BULK SUPPLY SYSTEMThe City’s Bulk
Page 5 and 6: CHALLENGESRaw water quality - cost
Page 7 and 8: IMPLEMENTATION OF ISO 9001 QMSBegan
Page 9 and 10: DRINKING WATER QUALITY REQUIREMENTS
Page 11 and 12: WATER QUALITY MONITORINGProgrammeMo
Page 13 and 14: WATER QUALITY MONITORINGBiological
Page 15 and 16: WATER QUALITY MONITORINGScientific
Page 17 and 18: PROCESS CONTROLLER TRAININGProcess
Page 19 and 20: CHEMICAL USAGE AT WTPsVery stringen
Page 21: 11 th International GothenburgSympo
Page 24 and 25: Features of the Dosing Control Syst
Page 28 and 29: Measured Effects and ImprovementsRE
Page 30 and 31: DISINFECTION CONTROL AND MONITORING
Page 32 and 33: STABILIZATION CHALLENGESoft, acidic
Page 34 and 35: DWQ INCIDENT MANAGEMENT PROTOCOL
Page 36 and 37: DWQ INCIDENT MANAGEMENT PROTOCOL
Page 38 and 39: WATER TREATMENT PLANTSSTEENBRAS WTP
Page 40: ASSET MANAGEMENTThe City of Cape To
Page 43 and 44: ASSET MANAGEMENTAsset Management Ph
Page 45 and 46: WATER SAFETY PLANNINGCITY OF CAPE T
Page 47 and 48: YEAR OFASSESSMENTBLUE DROP ASSESSME
Page 49: Mpharu HloyiT: 021 684 1000M: 083 6

The City of Cape Town's Role in Creating a Better Life for All - MILE

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