Thisprojectreportdetailsthedesignofarawwatertreatmentplantforsupplyto
Rongai
Town.
Aprojectedtwenty-yearwaterdemandsurveyindicatesasupplyneedofabout
4,000,000litresofwaterperday.
Thetreatmentplantdesignedistoproducesafepotablewatertomeetthisdemand.
Inaddition,thesiteplanfortheplacementofthetreatmentplanthasbeen
developedinthisreport.
ThedesignhasbeendoneinaccordancetothespecificationsinthePracticeManual
for
WaterSupplyServicesinKenya,bytheMinistryofWaterandIrrigation.Inaddition
hydraulicconceptshavebeenutilisedtoproducethecalculations.
ReferencehasalsobeenmadetotheAmericanWaterWorksAssociationtreatment
plantdesignguide.
Thecomponentsoftreatmentworkssizedinclude;aninletandmixingchamber,two
flocculatingchambersofdimensions9.75m by6.45m by1.5m,threesedimentation
tanks
eachofdimensions15m by4m by3.1m,fourfilterchamberseach4m long,3m
wideand3.75m deep,backwashtankofcapacityof80m3andcontacttankof
capacityof100m3.