clevedon -twin river valley stormwater management
DESCRIPTION
stormwater management deviceTRANSCRIPT
TwinRiverValleyDevelopmentisadevelopmentidealforfamileswholovethecountryfeelbutatthesamemeishaveeasyaccestotheoldandnewtowncentrebywalkingthroughthegreencorridorthatconnectstotheClevedonEcoislandatthetopandtoPapakurabycar.
Thestormwatertreatmentthathasbeendevelopedareswales.TheswaleshavebeenplacedoneithersideoftheroadtofiltertherunofffromtheroadsandtheextrarunofffromtheroofsofthebuildingsandthiswilldrainintotheminroriverthatisNorthofthesite.
Swalesarevegetatedareasdesignedtoremovecontaminantsfromstormwaterrunoff.AsstormwatermovesthroughtheSwalesarevegetatedareasdesignedtoremovecontaminantsfromstormwaterrunoff.Asstormwatermovesthroughthevegetaoncontaminantsareremovedbyfiltraon,infiltraon,absorponandbiologicaluptake.Athickcoverageofveg-etaoncanreducetheflowvelocityofrunoff,allowparculatestoseleandprotectagainsterosion.Swalesacceptacon-centratedflowofstormwaterthroughagrassedchannel,
TheswaleshavebeenplantedwithnaveplantssuchasPhormium tenax and cabbagetrees.Theseplantshavebeenusedsothattheycanhelpinfilterangthewaterandtheylinkwiththevegetaongareathatalsohasnavingplanng.
Mainconnecn
groads
SuburbanLivingMasterPlan
Rivers
Vehicleconneconthroughvegetaonbuffer
Mainconnecngroads
PylonBuffer
Vegetaon
Pedestrainlinkthroughthevegeta
on
1.Vegetaonbufferbehindtheplotsandpedestrainconnecon
3.Roadleadingtowardsthevegetaonareaandswales
SeconA-AFrontviewoftheswaleSeconB-BSideviewoftheswale
2.Swalesoneithersideoftheroad
SWALE SWALE
PATHWAY
Runoff
Runoff
Runoff
Swale
AA
B B
2
3
1
CLEVEDON
CLEVEDON
SuzannSashaVerghese1319335Studio6225