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/HEART Helensville / Parakai Growth Strategy

Unitec LAND6225 Helensville Growth Strategy

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Unitec LAND6225 Helensville Growth Strategy

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Page 1: Unitec LAND6225 Helensville Growth Strategy

/HEART Helensville/ParakaiGrowthStrategy

Page 2: Unitec LAND6225 Helensville Growth Strategy

1:150,000

LegendProposed transit corridorrailway corridorMotorway/ State Highway20m-wide River Buffer50m-wide River BufferProductive Exotic Forest Patch 25 Ha+Native Forest Patch 25 Ha+Proposed Productive Land - Argiculture and Horticulture

Revegetated Erosion Prone LandExisting Built EnvironmentProposed Areas for Development

¯

Proposed Network

TheGreen/HeartStrategyRevisitedInourpreviousdevelopmentsuitabilityanalysis,ourattentionwasbroughttotheopportunityofdevelopingAucklandasanewpolycentricurbanregion,orurbannetwork.

/HEART

“CanAucklanddevelopasaregionalsystemofmultiple,compact,interactivesatellitecentreslinkedbystrategicallylocatedtransitlinesthatreduceresourceconsumptionandemissionswhilepreservinganoveralllandmosaicinwhichecologicalsystemscaninterlinkandthrive?”

Drawingonthenotionofurbanmetabolism,weattemptedtoaddressthisquestionbyproposingasimplestrategy:

GrowAucklandasavariegatedregionalcitythathasaself-sufficientsupplyofresources,minimisingdependencyondistantregionsandindoingsoprovidinglocalcohesiveness.

Thiscouldpotentiallybeachievedthroughdevelopingorcontainingexistingnodesalongtheperipheraltransportinfrastructurenetworks-reprogrammingtheentireAucklandregionaccordingtothemostappropriatelanduseforanygivenlocation.

WelookatlandscapeasGreenMiddle–aconnectingelementoperatinginthepolycentriccityregion.Wehaveidentifiedthelandscapeasaninsidezone,formingthecoreofthecityregion,integratingregionalcentres.TheGreenMiddle,orwhatwetermedthe‘GreenHeart’(borrowingfromtheDutch)supposesaconnectingroleoflandscapetoreinforceandredefinethenewurbanformoftheAucklandRegionalCity.

ThisparticularstudyconcentratesonthedevelopmentofHelensville/Parakai–akeynodeforgrowthalongtheWesternCorridor.ThestudyaimstoexploreinnovativedevelopmentoptionsforHelensville/Parakai,exemplifying,enriching,andre-interpretingthedevelopmentstrategyworkedoutinthepreviousstudy.

Page 3: Unitec LAND6225 Helensville Growth Strategy

1:150,000

LegendProposed transit corridorrailway corridorMotorway/ State Highway20m-wide River Buffer50m-wide River BufferProductive Exotic Forest Patch 25 Ha+Native Forest Patch 25 Ha+Proposed Productive Land - Argiculture and Horticulture

Revegetated Erosion Prone LandExisting Built EnvironmentProposed Areas for Development

¯

Proposed Network

1:150,000

LegendProposed transit corridorrailway corridorMotorway/ State Highway20m-wide River Buffer50m-wide River BufferProductive Exotic Forest Patch 25 Ha+Native Forest Patch 25 Ha+Proposed Productive Land - Argiculture and Horticulture

Revegetated Erosion Prone LandExisting Built EnvironmentProposed Areas for Development

¯

Proposed Network

/HEART

Page 4: Unitec LAND6225 Helensville Growth Strategy

Helensville/ParakaiBackgroundInformationTheHelensville-ParakaiareaislocatedonthesouthernendoftheKaiparaHarboursome35kmfromcentralAucklandand20kmbeyondthenorth-westernfringeofmetropolitanAuckland.Thesurroundingareaischaracteristicallyruralandincludessomelocalisedareaswithsmallerlandblocksandmoreintensiveagriculture.

Helensvilleisthemainurbanareaandservicecentrefortheseimmediatelysurroundingruralareas,andParakai,asmallerlargelyresidentialsettlement,whichevolvedaroundlocalhotspringsresorts,islocatedsome3kmtothewestacrosstheKaiparaRiverandStateHighway16.

TheareaaroundHelensvillewasoriginallycalledTeAwaroa,meaning“Thelongpath”or“Thelongrivervalley”.TheMaoripeoplehavehadalongassociationwiththelandandriversofthearea,withthenucleusofthepeoplewhosettledtheKaiparaHarbouraround1300ADformingtheNgatiWhatuatribe.ThesouthernreachesoftheKaiparaHarbourwasakeyportageareaandan

importantlocationontheregionalrouteslinkingwiththeWaitemataandManukauHarbours.ThehotpoolsinParakaiwereknownandusedandafewpasiteswereestablishedin(presentday)Helensville.

TraditionalfishingandflaxharvestingwerekeyeconomicactivitiesforMaori.

Helensvilledevelopedasasmallportwithtimbermills(harvesting,millingandexportingKauri).AttheheightoftheKauritradetheKaiparaHarbourwasthebusiestinthecountry,andthegoldenageofshippinginHelensville.

Bythelate1800’s,thesurroundingruralareashadbeensettled,andHelensville’sfunctionalroleincreasedtoincludelocalprocessingofagriculturalproductsaswellasbeingabusyshipbuildingareawithconsiderablewharfsideactivity.ThetownwasakeywesternharbourlinkingoverlandtoAucklandandalsothecentreofcommerceandadministrationforthesurroundingarea.Therolewasreinforcedwiththecompletionoftheraillinkbetween

HelensvilleandAucklandin1875andthesurfacesealingoftheregionalroadintheearly1900s.

GeothermalpoolswereestablishedatParakaiintheearly1900sandasmallsettlementdevelopedaroundthisresort.Inmorerecentyearsresidentialextensionshavetakenplaceandasmallcommercialcentrehasdeveloped.

Inthelaterhalfofthe20thcenturyHelensvillehashadadecreasingroleasaportandwithimprovedregionalroadandrailaccessibilityhasdevelopedalocalindustrialbase(asignificantproportionofwhichrelatestoprocessingforestryproducts).

Helensvillehascontinuedtofulfilacentralservicefunctionforthesurroundingagriculturaldistrict.WithimprovedaccesstoAucklandandimprovedagriculturaltechnology,anincreasingagricultural-servicingcomponenthasdevelopedinHelensville,andinrecentyears,industrialdecentralisationhasseenthedevelopmentofsomelocalmanufacturingandserviceindustries.

Page 5: Unitec LAND6225 Helensville Growth Strategy

+

LegendRailway

Water Bodies

Existing Building Stock

Roads

Principle Tributary 15m Buffer

LEhillsadeValue

High : 254

Low : 0

Cadastral Lines

1:20,000±

LegendRailway

Water Bodies

Existing Building Stock

Roads

Principle Tributary 15m Buffer

LEhillsadeValue

High : 254

Low : 0

Cadastral Lines

1:20,000±

AlthoughHelensvillehasretainedaneconomicandadministrativecentralroleoverthepastfewcenturies,inmorerecentyears,withthegrowthofmetropolitanAuckland,anaddedrolehasbeenoneofaccommodatingmetropolitancommuters.

Parakaihasremainedasmallresidentialareasurroundingahandfulofhotspringresortsandrelatedactivities.

Theprimaryservicecatchmentareacurrentlycontainssome6,000people,about50%ofwhomareresidentintheHelensvilleandParakaitownships.ThecurrentcombinedpopulationoftheHelensvilleandParakaitownshipsisapproximately3,800.Givena3%growthrate,thearea’spopulationwillapproximate5,900by2026,andbasedonthisgrowthscenario,by2051thatpopulationprojectionisexpectedtobealmost9,000.

Itis,however,importanttorecognisethatincrementsingrowtharelikelytobegeneratedbymetropolitanratherthanlocalinfluences,andalsothatlonger-termgrowthshouldallowforthepossibilityofapopulationincreasegreaterthannowanticipated.ThereisgreatpotentialforgrowthintheareaduetotheforeseeabledevelopmentofgreenenergyfromtheKaiparaHarbourandthenaturalgasfiredcombinedcyclepowerstationproposedbyGenesisEnergy,arenaissanceinHelensville’smaritimeindustry,andresortdevelopment/tourismrelatedtotheParakaihotwatersprings.Anydevelopmenthowever,willbecentredononekeyinfrastructure–RAIL.

Page 6: Unitec LAND6225 Helensville Growth Strategy

LegendRailway

Water Bodies

Existing Building Stock

Roads

Principle Tributary 15m Buffer

0

1

LEhillsadeValue

High : 254

Low : 0

Cadastral Lines

1:10,000±

Page 7: Unitec LAND6225 Helensville Growth Strategy

LegendRailway

Water Bodies

Existing Building Stock

Roads

Principle Tributary 15m Buffer

0

1

LEhillsadeValue

High : 254

Low : 0

Cadastral Lines

1:10,000±

Geology/TopographyTheareaisdividedintotwodistinctivegeological/lithologicalunits:

• Theeasternsectorcomprisesthesedimentarysandstones/mudstones/conglomeratesoftheWaitemataSeries,whichgiverisetotheeasternhills

• Thewesternsectorcomprisestherecentalluviumofthelow-lyingKaiparaRiverfloodplainandlesserAwaroaStreamfloodplain.

Thegleysoilsassociatedwiththewesternhigher-lyingsectorofthefloodplainarerelativelyhomogenousandarereasonablyfertile(asevidencesbylocalagriculture)anddonotpresentanylimitationtomassordenseurbandevelopment.

Thefactorthatinhibitsdensedevelopmentisratherthehydrologyoftheriver(referfurtherinthestudy),whichdeterminesthatthesoilsintheactiveRiverZonearewetter,partlysaline,andgenerallyinfertile.

Bycomparison,theeasternsector’ssoilsaregeotechnicallymoreunstableanderosion-pronebyvirtueoftheirphysicalcharacteristics.Onsteeperslopesthereisevidencethroughoutofblockslidemovementandearthflow.Duetothecomplexityandhighdegreeoflocalvariationdetailedgeotechnicalassessmentwouldbenecessaryatalocalisedscaletodeterminedevelopmentsuitability.

IntheeasternsectorthemajorandminorridgesgiverisetothevisualenclosureofHelensvilleandgivetheareaacertainlandscapeidentityatthebroadestlevel.Therearealsomoredefinablelocalisedlandscapeunitswithinthearea,whicharevisuallyidentifiableasruralorurban.

TheneedtomaintaintheKaiparaRiverZoneasakeyhydrologicalandecologicalcorridordictatesthatthiszonewillalwaysrepresentamajorbarriertothephysicalintegrationofHelensvilleandParakai.ThefloodplainsoftheKaiparaRiver,andfloodableareasandwettersoilsoftheRiverZone,arethuskeyconsiderationsintermsofurbanstructureandform.

NotwithstandingthepossibilityofdevelopingcertainareaswithintheRiverZone,suchdevelopmentwillbehighlyvisible,andpotentiallyblightingontheriverinelandscape.

Thereisnosignificantnaturalfeaturethatdefinesawestern/south-westernedgetoParakai,andthereispotentialforsprawledanduncoordinatedurbanexpansion.

Thetopographydictatescertainundevelopedareaslargeenoughtoaccomadateasignificantscaleoffutureurbanexpansion,viz:

• TheareatothesouthofHelensville,whichhasafinitecapacity.

• Largeareasofflatlandtothewestandsouth-westofParakai,whichhavelimitlesscapacityinthattheyextendfartothesouthandwest.

Thefactthatmuchoftheexistingandfutureurbanareaisonflatlanddictatesthatthepotentialforcycleandpedestrianmovementmodesishigh,affordinguniquefocalmovementandrecreationalpossibilities

Page 8: Unitec LAND6225 Helensville Growth Strategy

LegendRailway

VegetationCLASS_NAME

COASTAL_WETLANDS

INDIGENOUS_FOREST

INLAND_WATER

INLAND_WETLANDS

MANGROVE

PLANTED_FOREST

SCRUB

Water Bodies

Existing Building Stock

Roads

Principle Tributary

Cadastral Lines

LEhillsadeValue

High : 254

Low : 0

1:10,000±

Page 9: Unitec LAND6225 Helensville Growth Strategy

LegendRailway

VegetationCLASS_NAME

COASTAL_WETLANDS

INDIGENOUS_FOREST

INLAND_WATER

INLAND_WETLANDS

MANGROVE

PLANTED_FOREST

SCRUB

Water Bodies

Existing Building Stock

Roads

Principle Tributary

Cadastral Lines

LEhillsadeValue

High : 254

Low : 0

1:10,000±

VegetationTheareahasbeenlargelyclearedofnativevegetationandtheremnantareasofnativevegetationarealmostexclusivelyfoundsouthofHelensville.TheMangakuraStreamcatchmentareas,being160hainextent,comprisesnativevegetation(regeneratingKanukaandKauriforest)andisclassifiedasasignificantnaturalheritageareaandapriorityplaceforprotection.

Smalllocalisedoccurrencesarefoundinthevalleysoftheeasternhills.Someoftheseareasshowsignsofre-vegetationofnativespecies.

Equallyimportantistheretentionandprotectionofwetlandareasandmangroveswhicharespreadthroughoutthefloodplain.

Helensville/Parakaiis,however,characterisedasamodifiedagriculturallandscape,andthetreeswhichhavebeenplantedasboundaries,windbreaks,andalongroads,arevisuallymoreprominent.Thisservestocreateafine-grainedsenseofenclosureatalocalisedlevel,whichisparticularlyvaluableandnoticeableinthefloodplainarea.

Itisespeciallyimportanttoretain,protectandenhanceasmuchexistingnativevegetationhabitatsaspossibleforaestheticandhumancomfortreasons(wind,shade,landscape,etc)andalsotogenerallyprotectthewaterqualityandecologicalvaluesoftheriver.

Itisequallyimportanttorecognisethelandscapeformingvalueofplantedvegetationintheflatfloodplainandwesterareas.ThisisofparticularimportancewithrespecttothevisualamenityofthebuiltformintheRiverZone.

Page 10: Unitec LAND6225 Helensville Growth Strategy

LegendRailway

Water Bodies

GRIDCODE1

Existing Building Stock

Roads

Principle Tributary 15m Buffer

LEhillsadeValue

High : 254

Low : 0

Cadastral Lines

1:10,000±

Page 11: Unitec LAND6225 Helensville Growth Strategy

LegendRailway

Water Bodies

GRIDCODE1

Existing Building Stock

Roads

Principle Tributary 15m Buffer

LEhillsadeValue

High : 254

Low : 0

Cadastral Lines

1:10,000±

HydrologyTheKaiparaRiver,whichisaninternationallysignificantestuarineenvironment,hasacatchmentthatextendsfromWaitakereinthesouthtotheKaiparaHarbourinthenorth.TwoadditionallocalcatchmentsdischargeintotheKaiparaRiverinthestudyarea.

TheriverhasalowgradientandabroadfloodplainandintheactiveRiverZonemuchofthelandisbelow4metreselevation.Frequentfloodingoccursacrossmuchofthiszoneandtheextentofthe1:100floodlineisshowninthemapopposite.Thedesignedfloodlevelisapproximatelyat2.5metreselevationandinthissectorasignificantproportionoflandisbelowthislevel.

TheRiverZoneshouldberegardedasactiveandsubjecttosedimentation,erosionandhighchannelvelocities.Asmentionedbefore,itissubjecttofloodingandtidalinundation,andpartsoftheHelensvilleandParakaitownshipsfloodrelativelyfrequently.Itisimportanttoretainthehydrologicalneedsoftheriver,aswellasnecessarytoprotectthealreadybuiltfabricinthiszone.

ThedynamicnatureoftheRiverZonecausesbankerosionandthisrequirestherivertobemanagedandfloodcontrolmeasurestobemaintained.Intheimmediatefuture,denseurbandevelopmentshouldnotoccurwithintheRiverZone.However,giventhatitisinanyeventnecessarytomaintainfloodcontrolmeasurestoahighstandardintheriverbendpeninsulaswhicharedeveloped,thepossibilityforlong-termfuturedevelopmentshouldnotbediscounted.Anyperipheralurbandevelopmentshouldbeplannedsoastooptimisethepotentialforeffectivestormwatermanagementandsiltdetentionatalocallevel.

Page 12: Unitec LAND6225 Helensville Growth Strategy
Page 13: Unitec LAND6225 Helensville Growth Strategy

SummaryofConstraintsThefollowingisalistofconstraintstofutureurbandevelopmentintheHelensville/ParakaiareaasmentionedintheStructurePlan:

TheKaiparaRiverfloodplainisakeyregionalecologicalandhydrologicalcorridorandhaslimitedpotentialfordenseurbandevelopment.ItwillthereforeremainasanabsolutebarriertothephysicalintegrationoftheHelensvilleandParakaitownships.

Althoughthelandscapeoffersopportunitiesforurbanexpansion,largeareasarenotwellsuitedtothispurposee.g.thesteeperareastotheeastwhicharenotgenerallygeotechnicallystable;theactiveRiverZoneoftheKaiparaRiver,whichispronetoflooding.Eveninthelargelyflood-freeareatothewestofParakai,theflatnatureoftheplainmakestownshipstormwatermanagementdifficult.

ThevaluednaturallandscapeandvaluesoftheKaiparaRiverandHarbour,andofthetowns(theeasternhills,thestreams)caneasilybecompromisedbyinappropriatedevelopmentandtheecologicalandlandscapeamenityvalueoftheseelementsneedstobeprotectedandenhanced.

Notwithstandingtheabove,someoftheflatlandintheRiverZoneissuitedtothedevelopmentofextensivelanduses,howeverthefactthatanybuiltdevelopmentwillbehighlyvisible(andthuspotentiallyblightingontheriverinelandscape)andalsowilldemandcontinualmaintenanceoffloodprotectionmeasuresmustbeconsidered.

ThereisnodefiniteurbanedgeinParakaianduncoordinatedurbanexpansioncanimpactseverelyonthecharacteroftheruralperimeterandwillalsoaggravateengineeringservicingprogrammes.

IndiscriminateandpiecemealurbandevelopmenttothenorthofParakaicanalsocompromisethepotentialthatthisareahasforalargemulti-purposeresort,basedonlocalgeothermalwaters.

TheStateHighway16through–trafficisdisruptiveinthatthenatureofthistrafficisincompatiblewiththelocalusageoftheCommercialRoadcivicandshoppingarea.

Thetowncentre’sfunctionispotentiallythreatenedbythelocationoflarger-formatshopstoofaroutsideofthiscentralarea.

Theopenspacesystemisnotwelldeveloped(especiallytheriveredge)anddoesnotfunctionasanintegratednetwork.

Thereisanabsenceofasingularandoverallphysicaldevelopmentvisionandstrategyforthegreaterurbanarea.

Page 14: Unitec LAND6225 Helensville Growth Strategy

PointsofDifferenceHelensville’sriversidelocationandhistoriccharacteraretheobviouspointsofdifferencecomparedtoneighbouringcentres.

TherailwayisanotherpointofdifferencecomparingHelensvilletotownsintheeasternareaofRodney.Intheshorttermlocalimprovementsaroundtherailwaystationcansupportthetouristdestinationstrategy.Inthelongertermcommutingnumberswillgrowandamediumdensitywork/livezoneisproposedinthestationvicinity.

Thetownscapehasawealthofcharmingandhistoricbuildings,aswellasasignificantamountofarchaeologicalandheritagesites,whicharethreatenedbytheabsenceofacomprehensiveandeffectiveheritageconservationpolicy.

Theareais,ontheotherhand,reasonablywellpositionedtoaccommodategrowthandenhancetheperformanceoftheurbanarea,inthat:

• Helensvillehasabalancedanddiverseurbanactivity,andnotwithstandingitssmallsize,thetownfunctionswell.Thisprovidesanexcellentplatformforfurtherurbangrowth.

• Therich,naturalandbuiltheritagecharacterandsignificantandrecreationdevelopmentpotentialofthearea(geothermalresources,urbanriverfrontage,etc)provideauniquesetofintrinsicassetswhich,ifdevelopedfully,willdramaticallyenhancetheurbaneconomy,characterandperformance.

• Thereissufficientlandforurbanexpansioninthefuture,andthisincludesavarietyofresidentiallocalityoptions(ieHelensville’ssouthernslopes,neartheAwaroaStream,Parakaiflats,etc.

• Reasonablysimpleandcomfortableoptionsalsoexistforexpandingthetowncentreandbusinesszones

Page 15: Unitec LAND6225 Helensville Growth Strategy

GrowthStrategyTheHelensville/Parakailandscapeoffersrareandexcitingopportunitiesforurbanexpansion.However,thereislimitedterritoryinwhichHelensville/Parakaicanexpand,aslargeareasarenotwellsuitedtourbandevelopment.IfHelensville/Parakaiistodevelopintoapotent,well-definedanddynamiccentre,whichrespondstothechangingconditionsofitssociety,thereisapressingneedforthestrategicdefinitionofwhereandhowtogrow.

Sofar,theanalysishasrevealedseverallandscape-formingprocesseshiddenwithinruralandurbanHelensville/Parakai:

•ThedynamicnatureoftheKaiparaRiverZone

•Stormwatermanagement

•Anincreasingpopulation

•Adecreasingsupplyofavailableland

•Anincreasingdemandforwaterfrontliving

•Alonger-termincreaseincommutingnumbersbetweenHelensvilleandAuckland

•Arevivalofthemarineindustry

UsingthegeologicsofUrban-Recycling,UrbanMetabolismandtheGreenHeart,howcanweactivate,unravelandmanipulatethesesteeringprocessesinordertodefineastrategythatwilltransformanddevelopHelensville/Parakaiintoaresilientlandscape?

Page 16: Unitec LAND6225 Helensville Growth Strategy
Page 17: Unitec LAND6225 Helensville Growth Strategy

LegendHelensville Bypass

Railway

VegetationCLASS_NAME

COASTAL_WETLANDS

INDIGENOUS_FOREST

INLAND_WATER

INLAND_WETLANDS

MANGROVE

PLANTED_FOREST

SCRUB

Water Bodies

Existing Building Stock

Roads

Principle Tributary

Cadastral Lines

LEhillsadeValue

High : 254

Low : 0

1:10,000±

HelensvilleBypassAHelensvilletowncentreBypassbetweentheeasternentrancetoHelensvilleandabouttheShowgroundshasbeenpromotedsincethedevelopmentofthe1998StructurePlan.ThebypassisessentialtothedevelopmentofHelensville’spedestrian-oriented,lineartowncentre.Noconfirmationastothelocationandalignmentofsuchabypassalsorepresentsapartialconstrainttotheplanningofcommercial,mixedbusinessandindustrialdevelopmentinthearea.NewZealandTransportAgency(NZTA),formerlyTransitNZ,hasrejectedinclusionofaHelensvilleBypassintheprogrammeoutto2051.Forthepurposesofthisstudy,thepreferredlocation/alignmentofapossibletowncentrebypassasproposedbythe1998StructurePlanhasbeenincorporatedintothestrategy.

Page 18: Unitec LAND6225 Helensville Growth Strategy

LegendBig Box Retail Development

Helensville Bypass

Railway

VegetationCLASS_NAME

COASTAL_WETLANDS

INDIGENOUS_FOREST

INLAND_WATER

INLAND_WETLANDS

MANGROVE

PLANTED_FOREST

SCRUB

Water Bodies

Existing Building Stock

Roads

Principle Tributary

Cadastral Lines

LEhillsadeValue

High : 254

Low : 0

1:10,000±

Big-BoxDevelopmentWithanewbypassinplace,thelargeparcelsofrurallandbetweenthebypassandParkhurstRoadwouldprovideamplespaceandanideallocationforthedevelopmentofanewshoppingcentresuchasWestfieldAlbany.LocatedtotheleftofParkhurstRoad,andbesideamajorintersection,theareawouldbeeasilyaccessibleforcommuters.Theareaalsohastheadvantageofsufficientdrainageforstormwater.

Page 19: Unitec LAND6225 Helensville Growth Strategy

LegendBig Box Retail Development

Helensville Bypass

Railway

VegetationCLASS_NAME

COASTAL_WETLANDS

INDIGENOUS_FOREST

INLAND_WATER

INLAND_WETLANDS

MANGROVE

PLANTED_FOREST

SCRUB

Water Bodies

Existing Building Stock

Roads

Principle Tributary

Cadastral Lines

LEhillsadeValue

High : 254

Low : 0

1:10,000±

LegendBig Box Retail Development

Helensville Bypass

Railway

VegetationCLASS_NAME

COASTAL_WETLANDS

INDIGENOUS_FOREST

INLAND_WATER

INLAND_WETLANDS

MANGROVE

PLANTED_FOREST

SCRUB

Water Bodies

Existing Building Stock

Roads

Principle Tributary

Kaipara River 20m Buffer

15m Buffer

Cadastral Lines

LEhillsadeValue

High : 254

Low : 0

1:10,000±

RiparianBuffersProvidingconnectivitythroughhydrologicalsystemsisanunder-pinningstrategytoprovideecologicalbuffers,erosionprotectionandlinearparksystems.RiparianBuffers20malongeachsideoftheKaiparaRiver;15malongprinciple,namedtributaries;and5-10malongeachsideofanyotherintermittenttributaries,havebeenallowedforaspartofthestrategytorestoreconnectivityofnativevegetationthroughwaterways.

Page 20: Unitec LAND6225 Helensville Growth Strategy

LegendLight Industrial Precinct

Big Box Retail Development

800m Transport Hub Territory

Business Park

Mixed Use Development

Helensville Bypass

Railway

VegetationCLASS_NAME

COASTAL_WETLANDS

INDIGENOUS_FOREST

INLAND_WATER

INLAND_WETLANDS

MANGROVE

PLANTED_FOREST

SCRUB

Water Bodies

Existing Building Stock

Roads

Principle Tributary

Kaipara River 20m Buffer

15m Buffer

Cadastral Lines

LEhillsadeValue

High : 254

Low : 0

1:10,000±

BusinessPark,MUD,LightIndustry&RailwayStationZoneAthrivinglocaleconomiccentrelocatedadjacenttothebypasswillstimulategrowthinHelensville/Parakai.TheBusinessParkandMUDarea,strategicallylocatedwithrespectivewaterfrontagewillprovidepleasantwork/liveenvironmentsandadjoinedtotheshoppingcentredevelopment,willprovideforacompletetheCommercialQuarter.LightIndustryshouldbecontainedwithintheexistingIndustrialZone.

EasyaccesstotheHelensvilleRailwayStationisavitalcomponenttothefuturesuccessoftheHelensville/Parakai.Wherepossible,urbanintensificationshouldbefocusedwithin800mofthestation,allowingforpedestriansandcycliststowalkorcycletoandfromtheircommute.

RAILWAY STATION

Page 21: Unitec LAND6225 Helensville Growth Strategy

LegendLight Industrial Precinct

Big Box Retail Development

800m Transport Hub Territory

Business Park

Mixed Use Development

Helensville Bypass

Railway

VegetationCLASS_NAME

COASTAL_WETLANDS

INDIGENOUS_FOREST

INLAND_WATER

INLAND_WETLANDS

MANGROVE

PLANTED_FOREST

SCRUB

Water Bodies

Existing Building Stock

Roads

Principle Tributary

Kaipara River 20m Buffer

15m Buffer

Cadastral Lines

LEhillsadeValue

High : 254

Low : 0

1:10,000±

LegendGreen Heart

Light Industrial Precinct

Big Box Retail Development

800m Transport Hub Territory

Business Park

Mixed Use Development

Helensville Bypass

Railway

VegetationCLASS_NAME

COASTAL_WETLANDS

INDIGENOUS_FOREST

INLAND_WATER

INLAND_WETLANDS

MANGROVE

PLANTED_FOREST

SCRUB

Water Bodies

Existing Building Stock

Roads

Principle Tributary

Kaipara River 20m Buffer

15m Buffer

Cadastral Lines

LEhillsadeValue

High : 254

Low : 0

1:10,000±

GreenHeartCivic/OpenSpaceTheGreenHeartisthekeycomponenttothestrategyfororientingurbandevelopmenttowardsthecentre.Ideally,theGreenHeartwillfacilitatetheconcentrationofkeyactivities.

Page 22: Unitec LAND6225 Helensville Growth Strategy

LegendGreen Heart

Light Industrial Precinct

Big Box Retail Development

800m Transport Hub Territory

Med-Low Residential

Business Park

Mixed Use Development

Helensville Bypass

Railway

VegetationCLASS_NAME

COASTAL_WETLANDS

INDIGENOUS_FOREST

INLAND_WATER

INLAND_WETLANDS

MANGROVE

PLANTED_FOREST

SCRUB

Water Bodies

Existing Building Stock

Roads

Principle Tributary

Kaipara River 20m Buffer

15m Buffer

Cadastral Lines

LEhillsadeValue

High : 254

Low : 0

1:10,000±

Medium-LowDensityResidentialMedium-LowDensityResidentialareaisaresponsetothelocationadjacenttoablockofexistingsinglestoreybungalowsandthecloseproximitytothefloodzone.Theidealhousingtypologyforthiszonewouldbedetachedorsemi-detached2-3-storeyterraceunitsonplotsof600m2.Becauseoftheriskoffloodinginthisarea,houseswouldbebuiltonpilesorplinths.ThezoneitselfiswithinshortwalkingdistancetotheBusinessParkandshoppingcentre.

Page 23: Unitec LAND6225 Helensville Growth Strategy

LegendGreen Heart

Light Industrial Precinct

Big Box Retail Development

800m Transport Hub Territory

Med-Low Residential

Business Park

Mixed Use Development

Helensville Bypass

Railway

VegetationCLASS_NAME

COASTAL_WETLANDS

INDIGENOUS_FOREST

INLAND_WATER

INLAND_WETLANDS

MANGROVE

PLANTED_FOREST

SCRUB

Water Bodies

Existing Building Stock

Roads

Principle Tributary

Kaipara River 20m Buffer

15m Buffer

Cadastral Lines

LEhillsadeValue

High : 254

Low : 0

1:10,000±

LegendGreen Heart

Light Industrial Precinct

Big Box Retail Development

800m Transport Hub Territory

Med-Low Residential

Medium Density Residential

Business Park

Mixed Use Development

Helensville Bypass

Railway

VegetationCLASS_NAME

COASTAL_WETLANDS

INDIGENOUS_FOREST

INLAND_WATER

INLAND_WETLANDS

MANGROVE

PLANTED_FOREST

SCRUB

Water Bodies

Existing Building Stock

Roads

Principle Tributary

Kaipara River 20m Buffer

15m Buffer

Cadastral Lines

LEhillsadeValue

High : 254

Low : 0

1:10,000±

MediumDensityResidentialSmallerlotsandterraced2-3-storeyhousing.

Page 24: Unitec LAND6225 Helensville Growth Strategy

LegendGreen Heart

Light Industrial Precinct

Big Box Retail Development

800m Transport Hub Territory

Med-Low Residential

Medium Density Residential

Medium-High Density Residential

Business Park

Mixed Use Development

Helensville Bypass

Railway

VegetationCLASS_NAME

COASTAL_WETLANDS

INDIGENOUS_FOREST

INLAND_WATER

INLAND_WETLANDS

MANGROVE

PLANTED_FOREST

SCRUB

Water Bodies

Existing Building Stock

Roads

Principle Tributary

Kaipara River 20m Buffer

15m Buffer

Cadastral Lines

LEhillsadeValue

High : 254

Low : 0

1:10,000±

Medium-HighDensityResidentialRiverfrontagehereandcloseproximitytotherailwaystationwouldbesuitableformedium-highdensityterraced3-storeyresidentialdevelopment.

Page 25: Unitec LAND6225 Helensville Growth Strategy

LegendGreen Heart

Light Industrial Precinct

Big Box Retail Development

800m Transport Hub Territory

Med-Low Residential

Medium Density Residential

Medium-High Density Residential

Business Park

Mixed Use Development

Helensville Bypass

Railway

VegetationCLASS_NAME

COASTAL_WETLANDS

INDIGENOUS_FOREST

INLAND_WATER

INLAND_WETLANDS

MANGROVE

PLANTED_FOREST

SCRUB

Water Bodies

Existing Building Stock

Roads

Principle Tributary

Kaipara River 20m Buffer

15m Buffer

Cadastral Lines

LEhillsadeValue

High : 254

Low : 0

1:10,000±

Medium-HighDensityResidential

LegendGreen Heart

Light Industrial Precinct

Big Box Retail Development

800m Transport Hub Territory

Med-Low Residential

Medium Density Residential

Medium-High Density Residential

High Density Residential ii

Business Park

Mixed Use Development

Helensville Bypass

Railway

VegetationCLASS_NAME

COASTAL_WETLANDS

INDIGENOUS_FOREST

INLAND_WATER

INLAND_WETLANDS

MANGROVE

PLANTED_FOREST

SCRUB

Water Bodies

Existing Building Stock

Roads

Principle Tributary

Kaipara River 20m Buffer

15m Buffer

Cadastral Lines

LEhillsadeValue

High : 254

Low : 0

1:10,000±

HighDensityResidentialiRiverfrontagebutcloseproximitytoindustrialareawouldbemoresuitableforlowerend,highdensityapartmentstyleresidentialblocks.

Page 26: Unitec LAND6225 Helensville Growth Strategy

LegendGreen Heart

Light Industrial Precinct

Marina_Precinct

Big Box Retail Development

800m Transport Hub Territory

Med-Low Residential

Medium Density Residential

Medium-High Density Residential

High Density Residential ii

Business Park

Mixed Use Development

Helensville Bypass

Railway

VegetationCLASS_NAME

COASTAL_WETLANDS

INDIGENOUS_FOREST

INLAND_WATER

INLAND_WETLANDS

MANGROVE

PLANTED_FOREST

SCRUB

Water Bodies

Existing Building Stock

Roads

Principle Tributary

Kaipara River 20m Buffer

15m Buffer

Cadastral Lines

LEhillsadeValue

High : 254

Low : 0

1:10,000±

MarinaDevelomentHigh-endwaterfrontresidentialproperties.Withahighpercentageofwaterfrontlivingthisareacouldpotentiallybetheentertainmentprecinct–aculturalfocalpointforHelensville.

Page 27: Unitec LAND6225 Helensville Growth Strategy

LegendGreen Heart

Light Industrial Precinct

Marina_Precinct

Big Box Retail Development

800m Transport Hub Territory

Med-Low Residential

Medium Density Residential

Medium-High Density Residential

High Density Residential ii

Business Park

Mixed Use Development

Helensville Bypass

Railway

VegetationCLASS_NAME

COASTAL_WETLANDS

INDIGENOUS_FOREST

INLAND_WATER

INLAND_WETLANDS

MANGROVE

PLANTED_FOREST

SCRUB

Water Bodies

Existing Building Stock

Roads

Principle Tributary

Kaipara River 20m Buffer

15m Buffer

Cadastral Lines

LEhillsadeValue

High : 254

Low : 0

1:10,000±

MarinaDeveloment

LegendGreen Heart

Light Industrial Precinct

Marina_Precinct

Big Box Retail Development

800m Transport Hub Territory

Med-Low Residential

Medium Density Residential

Medium-High Density Residential

High Density Residential i

High Density Residential ii

Business Park

Mixed Use Development

Helensville Bypass

Railway

VegetationCLASS_NAME

COASTAL_WETLANDS

INDIGENOUS_FOREST

INLAND_WATER

INLAND_WETLANDS

MANGROVE

PLANTED_FOREST

SCRUB

Water Bodies

Existing Building Stock

Roads

Principle Tributary

Kaipara River 20m Buffer

15m Buffer

Cadastral Lines

LEhillsadeValue

High : 254

Low : 0

1:10,000±

HighDensityResidentialiiHighend,high-densityresidentialapartmentswithaccesstoallamenities,particularlytheRailwayStation.

Page 28: Unitec LAND6225 Helensville Growth Strategy

ConnectivityTheKaiparaRiverZoneisidentifiedasaninsidezoneorthenew‘GreenHeart’.Thisnewcivicspaceformsthecoreoftheurbanfabric,sociallyandecologicallyconnectingandintegratingvariouspartsofurbanHelensvilleandParakaitoeachotherandthegreaterregion.

Page 29: Unitec LAND6225 Helensville Growth Strategy

Connectivity

CompositePlan

Page 30: Unitec LAND6225 Helensville Growth Strategy

/STUDIES Brisbane/HafenCity/Ijburg

Page 31: Unitec LAND6225 Helensville Growth Strategy

ExamplestoLearnFrom...

Brisbane,Australia

Hamburg,Germany

Ijburg,Netherlands