58StevensStreet

A carbon positive project.

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58 Stevens StreetFremantleThis rare development is a unique combination of many factors:

• theowners’stronginterestandcommitmenttodesignandsustainabilityand their different business interests in recyclingandlandscape

• thevisionoflocalarchitects’firm,Officer Woods

• thebuilder,PeterHobbs,whohasadistinguishedarchitecturalcareer

OtherimportantcontributionsarefromwellknownartistandsculptorMarkGrey-SmithandmanytalentedtradespeopleaswellasEarthcare Landscapes staff.

Greatprojectsarethesumofmanyparts,andwebelievethisshowsatStevensStreet,wheremanycontributionsandideascometogetherinastunningproject.

No. sculpture: Mark Grey-SmithPhoto: Robert Firth

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Photos: Robert Firthand Aperture 22.

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Thedevelopmentwasconceivedtodemonstrate a number of ideas that the ownersbelievearescarceinFremantle,butare simple to use in most homes. These include:contemporarydesign,highlevelenvironmentalfeatures(carbonpositive),courtyardliving,flexiblelivingarrangements(such as 2 entries and the ability to easily convertroomsasneedschange)allwithinwalkingdistanceintoFremantle.ThedesignalsoreflectstheKnutsfordprecinctbothpastandfuture–industrial,modern,creative,walkable.

Thebrieftothearchitectswastodesignahousingprojectthatenablesthepotentialformultiple uses in the future and can be both energyandwaterefficient.

Thehouseswerebuiltonlandownedandlivedinbythedevelopersforover10years.Manyoftheexistingtreeswereallplantedsomeyearsagoandthelargeflametreethatcurrentlystandsatthefrontwasrelocatedfromthereargardenbeforeconstructionstarted.

Theprevioushouse–a2bedroomcottage-wasdemolishedandthematerialsrecycledwherepossible.Thisincludedcrushingtheold concrete blocks and roof tiles and these werere-usedaspartoftherammedearthwalls.Theoldtimberfloorboardsweresavedandre-usedupstairs.

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Virtual tourWewouldliketoinviteyouonavirtualtouraroundtheStevensStreetprojecttohighlight,educate and inspire!

Pleasenotenumbersonthisbrochurereferencematerialsanditemsidentifiedinhouse A.

See pages 8 and 9 (centre spread) for floor plan.

External features01 Solarpanelsareconnectedbacktothegrid.The2KWsystemhas

beenindependentlytestedtoprovideexcessenergyrequirementsforeachhouseonanannualbasis.Theseassistinmakingthehomescarbon positive!

02 Robustandlowmaintenanceexternalcladding-nopaintingrequiredforbothsteelandcementsheetcladding.

03 Verandahstoshadesummerheatgain.UnitAhasaretractableshadedevicebeinginstalled.

04 Smallwindowsinthewestsideofthehousestoreducesummerheatload.Broadnorthernaspecttomaximisewintersolarheatinginternally.

05 Allrainwatertanksaredualplumbedtoallinternaltoiletsandwashingmachine–theyeachholdover3000Landexcesswaterflowsintoalargeundergroundstorm-watersoak,replenishinggroundwatersupplies.

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06 100% recycled material includes crushed concrete blocks and roof tiles from the previous house and other demolition and construction materials.Thesehavebeencleverlyre-usedintherammedearthwalls.Allthatwasaddedwaswaterandcement!

07 Grasstreeswererecoveredfromanothersitethatwasdueforclearing.

08 Recycledtimberusedasdeckingwithinthelandscapedareas.

09 Localrecycledsandwasusedforsitefill.Thisissandnormallygoingtolandfill,exceptithasbeenseparatedatarecyclingprocessorforre-useelsewhere.

10 Gabionsusedlimestonefromexcavationwork.Alllimestonerockcamefromtheoriginalsiteandthebuildingsitenextdoor.Thissignificantlyreducedtheamountoftravelinvolved,therebyreducingCO2 emissions.

11 Sandstonepaving–off-cutsofKimberleyquartz–wereused.Thisproducesamuchlowercarbonimpactthanusingvirginmaterial.

12 Termitereticulationsysteminstalledtoreduceuseoftoxicchemicals.

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13 Concreteslabsinstalledwithblackoxideandthickenedto200mmalongthenorthernedgeoflivingareastoretainandreleasewintersolar heat.

14 UseofR2.5andR3.0localAlbanywoolinsulationinwallsandceilings,andR2.5aircellroofinsulation.Woolinsulationhasthermaladvantagewhencomparedtootherinsulatingnon-naturalfibrematerials.Thisreducesthecarbonfootprintbecauseitisnaturallygrownandalsothehealthrisksassociatedwithfibreglassinsulation.

15 Skylightsforcrossventilationandtonaturallylightupbathroomareastoreducepowercosts.

16 Crossventilationopportunitieshavebeenmaximizedtoreducepowercosts.

17 Timberframingislocalplantationpine.

18 Useoflightweightconcretesheeting–50mmthick(VPanel)inupperfloorsubstratetoimproveacousticsandinsulation.

19 Highperformancelowemissivityglass(Low-E)providedtoallwindowstoreduceheatgaininsummerandheatlossinwinter.

20 Fansinstalledinbedroomsforlowenergynighttimecooling.

21 UseofLowVOCpaintsthroughout,whichreducesoff-gassing,givingbetter internal air quality.

22 AllcabinetshavealowVOCE-Zerochipboardsub-straits,givingbetterinternal air quality.

Internal features

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23 Naturalstonewasusedforbenchtops.

24 Useofnaturaltimberveneerfinishesusinglocaljarrah.

25 Increasedlivabilityusinguniversallightswitchesforeaseofturningonswitches,universaleasyusetapfittings,andwheelchairaccessibletoiletsonthegroundfloor.

26 Largecommercialgradeslidingdoorsandwindowstofull2.7mceilingheightallowingforimprovedindooroutdoorenjoyment.Commercialgradeisdesignedtowithstandmoreuseandisthereforemorerobust.

27 Fullfloortoceilinghighinternaldoors.

28 QualityEuropeanappliancesforlongerlifewithhighwaterandenergysavingswhencomparedtostandardproducts.

29 UseofLEDlightsthroughouttoconsiderablyreducepowerconsumption.

30 Hiddenpicturerailingalongfulllengthofinternalrammedearthwall,allowingfortheenjoymentofpictureswithoutdamagingtherammedearthwall.

31 Useofrecycledfloorboardsfromprevioushouseforupperfloor.

32 UseofrecycledjarrahfromPerryLakesstadiumforstaircase.

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NUpperfloor

House A58 Stevens StreetFremantle

bedroom 3

bathroom

bedroom 2

robe robe

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09

living/dining

NGroundfloor

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07

08

45

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30

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garage

master bedroom

ensuite

kitchenlaundry

deck

robe

store

garden

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06

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NOTE: Dual plumbed pipe work for grey water system has been installed. Awaiting change in legislation – currently not enough garden due to proposed occupancy.

Water 33 Doubleplumbedseweragetoallowforgreywaterretro-fitting.

34 Allshowershavea4starwaterefficiencyrating.

35 Alldualflushtoiletsincluderainwaterharvestandre-usetoalltoilets.

36 Lowwateruselandscape,useofdrippersandlocallowwaterusageplants.

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37 Eachhousehasawine/foodcellarinstalledinthecarport–2400mmdeepby1800mmwide.Accessisbyladderandthecellarislit.Wineracks included.

38 Productivegardenbedsandcommunalfruittrees/herbsonthedriveway.

39 RenownedartistMarkGrey-Smithdesignedaluminiumgatesandthenumber58artwork.

40 Securitylightingfordrivewayandwalkway.

41 Separateguestentrancewithintercom.

42 Honedandfinishedblackconcretefloortogaragesasfuturehome office.

43 RelocatedDracenadracoinUnitDwassavedfromthepreviousgardenon site.

44 Zerowatervergesestablishedwithlocalheathland/coastalplantsforhabitatandyearroundgreen.ThisincludeslocalFremantlemallee–Eucalyptus foecunda.

45 Deciduoustreesincourtyardsforsummershadeandwintersun.

46 Homeshavebeenplannedformulti-generationalandpotentialhomeoffice use.

47 Groundfloorbathroomshavebeenplannedtoaccommodateuniversalfacilitiesupgrade.

Other features

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Re-use and recyclingAtwo-bedroomcottagepreviouslyoccupiedthissite.Aspartofare-useandrecyclingstrategy,thefollowingmaterialswereincorporatedintothenewhouses:

• Originalconcreteblocksandrooftileswerere-usedintherammedearthwalls

• Originaltimberfloorboardswerere-usedinthenewupstairsareas

• Theremainingpartsoftheoldhousewereseparatedatdemolitionandsentforprocessing;includecopperpipe,tiles,remainingtimberandsoforth.Over95%ofhouse material can be recycled.

Inaddition,locallysourcedrecycledtimberhasbeenusedasdeckingwithinthelandscapedareasandoff-cutsofKimberleyquartzwereusedratherthanusingvirginmaterials.Recyclingthesematerialshassignificantlyreducedtheamountofmaterialsthatwouldusuallygotolandfill.Re-usingandrecyclingmaterialsoriginallyon-sitehasalsoreducedtransportationwhichproducesCO2 and other particulates.

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Re-use of limestonefrom siteAlargeamountoflimestonewasexcavatedfromthesitewhentheoriginalbuildingwasremovedforrecyclingandre-use.ThelimestoneatStevensStreet,andalsofromthehousebeingbuiltnextdoor,wastakenashortdistanceoff-siteandthenreturnedforuseintheoutdoorareasduringlandscaping.Thelimestonethatwasn’tputbackontothesitewasusedinotherlocalEarthcareLandscapingprojects.Typicallymostlimestonefromsimilarsitesissenttolandfillsothere-useofmaterialsrepresentsalargesavingintransportationandCO2 emissions.

Sand fill recycledFillsandwasusedforearthworkstoraiseup levels as required for construction. This wassourcedfromareputable,localrecyclingprocessor.Thissandwasgeneratedfromthe recovery process of construction and demolition material that is normally sent tolandfill.

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Builder’s waste material recycledByusingEarthcareRecycling’suniquebuilder’swastedisposalsystem,upto80%ofbuilderwastewasrecycledratherthangoingtolandfill.Thesysteminvolvestheuseofspecificpurpose1.5and3m3 bins (see photobelow)andprovidesforacleaner,saferdevelopmentsite.Additionally,over-orderingofconstructionmaterialsiscurrently a problem in Western Australia andthebuildersatStevensStreetwereunderinstructionstobeextremelyconsciousofthis,therebyreducingwasteinthefirstinstance.UsingtheEarthcareRecyclingsystemtheoff-cutsofmetal,timber,cardboardandgyprockwereallsenttolocalrecyclingcompaniesratherthantolandfill.

Photos: Earthcare recycling bins at use at Stevens Street

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Itisestimatedthatapproximately35tonnesofwasteisproducedfromeachtypical(brickand tile) house built in Western Australia. Businessasusualwouldequateto4x35tonnesofwaste=140tonnesofwastefromaprojectofthissize.ForeverytonneofwastethatStevensStreetdivertedfromlandfill,0.4tonnesofgreenhousegas(GHG)wassaved. This equates to 140 tonnes x 0.4 tonnes GHG = 56 tonnes of greenhouse gas saved in this project.

Therecyclingandre-usestrategiesusedatStevensStreethavecontributedtoimpressiveCO2savings!

Thisuniquerecyclingsystemisgaininggreatermarketacceptanceasdevelopers,builders and the consumer seek more assurancethatwhatissaidtoberecycledactually is!

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Life cycle assessmentALifeCycleAssessmenthasbeencarriedoutontheproposeddesign,calculatingthe carbon emissions due to materials manufacture,materialstransport,buildingconstruction,buildingmaintenanceandbuildingoperations.Theboundaryoftheassessmentincludesthebuildingfoundations,floors,walls,roof,internalfinish,externalfinish,servicesandbasicfittings.Theresultsmeasuredagainstabenchmarkaresummarisedbelow:

BuildingMaterials:134kgCO2e per occupant per year.Saving of 73%

Transport,AssemblyandMaintenance:144kgCO2e per occupant per year.Saving of 34%

BuildingOperations:-286kgCO2e per occupant per year.Saving of 112%

TotalBuilding:ZerokgCO2e per occupant per year.Saving of 100%

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T+61(0)894342200E francis@earthcare.net.auW earthcare.net.au

Printed on 100% recycled post consumer waste. Made carbon neutral. tangelo/EAR3691