Contech Filterra - Page 3

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General Description
ThefollowinggeneralspecificationsdescribethegeneraloperationsandmaintenancerequirementsfortheContech
EngineeredSolutionsLLCstormwaterbioretentionfiltrationsystem,theFilterra
®
.Thesystemutilizesphysical,chemical
andbiologicalmechanismsofasoil,plantandmicrobecomplextoremovepollutantstypicallyfoundinurbanstormwater
runoff.Thetreatmentsystemisafullyequipped,pre-constructeddrop-inplaceunitdesignedforapplicationsintheurban
landscapetotreatcontaminatedrunoff.
Stormwaterflowsthroughaspeciallydesignedfiltermediamixturecontainedinalandscapedconcretecontainer.The
mixtureimmobilizespollutantswhicharethendecomposed,volatilizedandincorporatedintothebiomassoftheFilterra
®

system’smicro/macrofaunaandflora.Stormwaterrunoffflowsthroughthemediaandintoanunderdrainsystematthe
bottomofthecontainer,wherethetreatedwaterisdischarged.HigherflowsbypasstheFilterra
®
toadownstreaminletor
outfall.Maintenanceisasimple,inexpensiveandsafeoperationthatdoesnotrequireconfinedspaceaccess,pumpingor
vacuumequipmentorspecializedtools.ProperlytrainedlandscapepersonnelcaneffectivelymaintainFilterra
®
Stormwater
systemsbyfollowinginstructionsinthismanual.