report group3 green.architecture

8/3/2019 Report Group3 Green.architecture

1/18

Green Architecture in a

Tough Economy

B y : G r o u p C

KrushDattani

MeghaChamaria

PrashantKumarAanand

SomnathMeher

SonamRaghuwanshi

Seminar


2/18

Contents:

1. Introduction2. UnderstandingGreenArchitectureandGroupsMotionontheterm3. GroupsMotiononVernacularandGreenArchitecture4. GreenRatingSystemsandGroupsCallontheircredibility5. GovernmentsIntervention6. Conclusion


3/18

Introduction:

In view of present global crises population expansion, natural resource depletion and ecological

disasters there is an urgent need to align development and architecture with the concept of

sustainability.

ApproachtotheDiscussion:

Thediscussiononthegiventopicwascarriedoutinthefollowingstructure:

DefiningwhatisGreenArchitecture:TheunderstandingoftheConcept

Therelevanceof"GreenArchitectureinpresentdaycontextandsocioeconomicscenarioof

moderntimes

Whatis"ToughEconomy",andwhytheneedforconsiderationtowardsitatthispointoftime

CoherencebetweenArchitecture,itsdesignmethodologies,principlesandtechniqueswithrespecttocurrentandfutureneeds

Discusisionsbased

on

several

real

time

examples

in

support

of

arguments

and

counter

arguments

Conclusionofthediscussionandrecommendationsbasedonthesame


4/18

WhatisGreenArchitecture?

Green Architecture is not a style, trend or a vernacular and neither is it new. It is a climatically,

geographicallyandculturallyappropriatewayofarchitectureandbuilding,combiningthebestofboth

oldand new technology.At its core is the principleof respectandcaring for the earth. The issues of

environmentalresponsiveness,

resource

efficiency,

community

and

cultural

sensitivity

and

healthy,

non

polluting environments manifest in many different ways, and often reinforce each other. While

safeguardingthefutureofgenerationstocome,greendesignalsoresultsin:

Reducedoperatingcostsforbothbuildingsandlandscapes. Betterhealthandproductivityforbuildinginhabitants. Increasedoccupancyrates. Higherpropertyvalues. Lowenvironmentalimpact. Sustainabledevelopment.

Indeed,sustainableconstructionisoneofthemajorturnkeysforsurvivalintothe21stcentury.

Maximizethebeneficialuseoflocallyavailableresourcesi.e.

Sunisanabundantfreesourceofenergyandisusedforlighting,heatingandcoolingpurposes.Itcanbeharnessedbothactivelyandpassively i.e.withpassivesolardesignandsolarwaterheating

systemsphotovoltaiccells,.

Wind it can be harnessed for cooling and natural ventilation as well as providing a source ofrenewableenergy.

Vegetation gives protection from theelements and is an excellent climate moderator, purifyingand humidifying the air, providing wind shelter, shade, etc. It also provides sustainable resources

suchasthatch,timber,firewoodandfood.

Landformsbothnaturalandartificialcanchannelordivertwinds,provideshade,reflectheatetc.Their features can be capitalized on for storm water management, erosion control, and roadway

designaswellasinpassivesolarsystems.

Watercan be sourced, aswellas reused locally. By tapping the Earths freesourcesofwater rainfallanddew,andreusingwastewaterwithgreywaterrecyclingsystems ourrelianceon large

damsandexpensiveinfrastructuresarereduced.

Locallyavailablebuildingmaterialsstone,clay,straw,thatch,reedsandtimbers,scrap,etcshouldbeutilizedinpreferencetoimported,manufacturedproducts.

Existingbuildingsandinfrastructurearerespectedandshouldberestoredandadaptedforreuse,orelementsrecycledandmaterialreconstitutedtoprovideusefulnewmaterials.


5/18

Argument: So how do wejustify Green Architecture as Affordable architecture in a tough

economy.

GroupsMotion:WhatweunderstandfromGreen???

Greenisbasicallyusingtheenergyresourcesavailabletouscurrentlywithoutdeprivingthefuture

generationfrom

their

energy

need.

Meaning

not

over

utilizing

what

is

available

to

us

and

decrease

the

energyneedsofabuildingandincreasingtheirabilitytogeneratetheirown.Now,thebasicquestionis

iffordoingsowehavetoorwedonotreallyhavetogoagainstoureconomy.

Variouskindofmeasuresandinstallationsarenowbeingusedbyourgenerationinsearchofenergyfor

efficientuse.Thereareinstallationsforsolarpanels,wastewatermanagementandforimprovingthe

indoorairqualities.

Therearealsoactiveandpassivemeanstoservethesamepurposewithoutneedingmuchequipment.

Forexample:

1.UsingbrickJaliconstructionforfreeventilationandlightinsidethebuilding

2.

Using

pyramid

like

structure

on

the

roof

with

one

end

open

in

the

direction

opposite

to

the

wind

flow.

Thiswillallowfurtherventilationandlightneeds.

3.Slopingroofswithdrain/containersontheground.Thiswillhelpinrainwaterharvestingwithout

usingnewtechniquesormaterialsonflatroofstocarryheavywaterloads.

4.Curvedwallconstruction,asweknowcurvedwallscontainmorevolumesinsidewithlessmaterial

beingused.

6.Goingforloadbearingstructuresfor2orlessstoreyhousesatlocationswithnoseismicactivities.

Thiswillpreventunnecessaryuseofsteelwhichisexpensivetomanufacture.

5.Liveexamplesofsmallscalecommunitiesusinginnovativemeanstosolvetheirproblemsoflight

availability.

Ref http://www.youtube.com/watch?v=5MsoXkdb8

Thusthere

are

various

techniques

to

go

for

economic

options

of

green

design

without

going

uneconomic.


6/18

Argument:IsGreensynonymoustoVernacular?

GroupsMotion:VernacularandGreencangohandinhandcontextually.VernaculararchitectureandGreenarchitecturearedifferentprincipleswhichhavecommoninterests

andcan

be

called

as

two

different

sets

A

and

B

with

acommon

subset

serving

both.

Vernacular

architecturemainlytalksaboutuseoflocallyavailablematerialsinbuildingstoreducethecostofenergy

whichisbeingusedtoproducethematerialsotherwiseused.Italsotriestousevernacular

materials/techniquestoreducetheenergyrequirementoftheparticularbuilding.Butitmustbe

understoodthatnotallvernaculararchitectureisgreen.ForexampleOnemightusebambooasmeans

ofroofconstructioninhishousewhichmightbealocallyavailablematerialbutitdoesnotimplythat

thisissufficienttofighttherainfallormoisturecontentproblemsintheclimateforthehouse.Itmight

requireregularmaintenancewhichmightuseenergyinotherforms.Thus,beforeusingprinciplesofany

oftheseonemostcarefullybalancetheprosandconsofusingthesame.


7/18

Argument:CanweblindlybelievetheexistingRatingsystemsandtermtheeventualproduct

asaGreenBuilding?

GroupsMotion:

Firstlylet

us

briefly

discuss

on

the

existing

rating

systems

and

then

judge

the

now

used

Green

Architecturetermfornewdevelopmentsforthetougheconomicsituations.Inmostofthesystems

availableinIndia,parametersarenotwellequippedtobeimplementedinthelocalcontextandthus

applyingitanywhereandeverywhereforthesakeoftheratingmakesittougherinthetougheconomy.

WellwecanalsotermtheseRatingsystemsasanothersortofpublicityoptionsfordevelopments,

wheredevelopersgoforHighratingsbyadoptingthepointsprescribedbythisratingframework.Andas

theygetahighratingfromthissystem,thedevelopmentgetsatagtobeexpensiveandthusbecomes

unreachabletothegreatermass.

Ifthisisthescenario,thenweasArchitectsorGreenEnthusiasts,shouldunderstandtherealmeaningof

greenarchitecture

and

ifto

follow

the

Green

Rating

is

anorm,

it

be

followed

for

developing

with

the

truemeaningofattainingenergyefficientsystemnotjustfulfillrequirementstobehighlyrated.

RatingSystem

GreenRatingforIntegratedHabitatAssessment(GRIHA)

Internationally,voluntarybuildingratingsystemshavebeeninstrumentalinraisingawarenessand

popularizinggreendesign.However,mostoftheinternationallydevisedratingsystemshavebeen

tailoredtosuitthebuildingindustryofthecountrywheretheyweredeveloped.InIndiaaUSbased

LEEDratingsystemisunderpromotionbyCIIGreenBusinessCentre,Hyderabadwhichismoreon

energyefficiency

measures

in

AC

buildings.

Keeping

in

view

of

the

Indian

agro

climatic

conditions

and

in

particularthepreponderanceofnonACbuildings,aNational

RatingSystem GRIHAhasbeendevelopedwhichissuitableforallkindsof3buildingindifferent

climaticzonesofthecountry.ThesystemwasinitiallyconceivedanddevelopedbyTERI(TheEnergy&

ResourceInstitute)asTERIGRIHAwhichhasbeenmodifiedtoGRIHAasNationalRatingSystemafter

incorporatingvariousmodificationssuggestedbyagroupofarchitectsandexperts.Ittakesintoaccount

theprovisionsoftheNationalBuildingCode2005;theEnergyConservationBuildingCode2007

announcedbyBEEandotherIScodes,localbyelaws,otherlocalstandardsandlaws.Thesystem,byits

qualitativeandquantitativeassessmentcriteria,wouldbeabletorateabuildingonthedegreeofits

greenness.Theratingwouldbeappliedtonewandexistingbuildingstockofvariedfunctions

commercial,institutional,

and

residential.

Thebenefits

GRIHA theNationalRatingSystemwillevaluatetheenvironmentalperformanceofabuilding

holisticallyoveritsentirelifecycle,therebyprovidingadefinitivestandardforwhatconstitutesagreen

building.Theratingsystem,basedonacceptedenergyandenvironmentalprinciples,willseektostrike

abalancebetweentheestablishedpracticesandemergingconcepts,bothnationalandinternational.


8/18

Theguidelines/criteriaappraisalmayberevisedeverythreeyearstotakeintoaccountthelatest

scientificdevelopmentsduringthisperiod.

Onabroaderscale,thissystem,alongwiththeactivitiesandprocessesthatleaduptoit,willbenefitthe

communityatlargewiththeimprovementintheenvironmentbyreducingGHG(greenhousegas)

emissions,improvingenergysecurity,andreducingthestressonnaturalresources.

Someof

the

benefits

of

agreen

design

to

abuilding

owner,

user,

and

the

society

as

awhole

are

as

follows:

Reducedenergyconsumptionwithoutsacrificingthecomfortlevels Reduceddestructionofnaturalareas,habitats,andbiodiversity,andreducedsoillossfrom

erosion,etc.

Reducedairandwaterpollution(withdirecthealthbenefits) Reducedwaterconsumption Limitedwastegenerationduetorecyclingandreuse Reducedpollutionloads Increaseduserproductivity Enhancedimageandmarketability

Thebasicfeatures

Currentlythesystemhasbeendevelopedtohelpdesignandevaluatenewbuildings(buildingsthatare

stillattheinceptionstages).Abuildingisassessedbasedonitspredictedperformanceoveritsentirelife

cycleinceptionthroughoperation.Thestagesofthelifecyclethathavebeenidentifiedforevaluation

arethepreconstruction,buildingdesignandconstruction,andbuildingoperationandmaintenance

stages.Theissuesthatgetaddressedinthesestagesareasfollows:

Preconstructionstage (intra andintersiteissues)

Building

planning

and

construction

stages

(issues

of

resource

conservation

and

reduction

in

resourcedemand,resourceutilizationefficiency,resourcerecoveryandreuse,andprovisionsfor

occupanthealthandwellbeing).Theprime4resourcesthatareconsideredinthissectionareland,

water,energy,air,andgreencover.

Buildingoperationandmaintenancestage(issuesofoperationandmaintenanceofbuildingsystemsandprocesses,monitoringandrecordingofconsumption,andoccupanthealthandwell

being,andalsoissuesthataffecttheglobalandlocalenvironment).

ScoringpointsforGRIHA

GRIHAisaguidingandperformanceorientedsystemwherepointsareearnedformeetingthedesign

andperformanceintentofthecriteria.Eachcriterionhasanumberofpointsassignedtoit.Itmeans

thataprojectintendingtomeetthecriterionwouldqualifyforthepoints.Compliances,asspecifiedin

therelevantcriterion,havetobesubmittedintheprescribedformat.Whiletheintentofsomeofthe

criteriaisselfvalidatinginnature,thereareothersforexample:energyconsumption,thermaland

visualcomfort,noisecontrolcriteria,andindoorpollutionlevelswhichneedtobevalidatedonsite


9/18

throughperformancemonitoring.Thepointsrelatedtothesecriteria(specifiedundertherelevant

sections)areawardedprovisionallywhilecertifyingandareconvertedtofirmpointsthrough

monitoring,validation,anddocuments/photographstosupporttheawardofpoint.

GRIHAhasa100pointsystemconsistingofsomecorepoints,whicharemandatorytobemetwhilethe

restareoptionalpoints,whichcanbeearnedbycomplyingwiththecommitmentofthecriterionfor

whichthepointisallocated.Differentlevelsofcertification(onestartofivestars)areawardedbasedon

thenumberofpointsearned.Theminimumpointsrequiredforcertificationis50.Buildingsscoring50

to60points,61to70points,71to80points,and81to90pointswillgetonestar,twostars,three

starsandfourstarsrespectively.Abuildingscoring91to100pointswillgetthemaximumratingviz.

fivestars.

Pointsscored Rating

5060 Onestar

6170 Twostar

7180 Threestar

8190 Fourstar

91100

Five

star

EvaluationprocedureofcriterionofGRIHA

Landscapearchitect

Criteria1 SiteSelection

Criteria2 Preserveandprotectlandscapeduringconstruction

Criteria3 Soilconservation(Postconstruction)

Criteria10 Reducelandscapewaterrequirement

Architectwithexpertiseinpassivedesign/energyefficiency

Criteria4 Designtoincludeexistingsitefeatures

Criteria7 Planutilitiesefficientlyandoptimiseonsitecirculation

efficiency

Criteria12 Efficientwateruseduringconstruction

Criteria15 Utilizationofflyashinbuildingstructure

Criteria16 Adoptenergyefficienttechnologyinconstruction

Energyanalyst

Criteria13 Optimisebuildingdesigntoreduceconventionalenergy

demand

Criteria14 Optimiseenergyperformanceofbuilding

Criteria18&19 Renewableenergyutilization

Criteria33 O&Mprotocolforelectricalandmechanicalequipment


10/18

Publichealthengineer

Criteria8 Minimumsanitationandsafetyfacilitiesforconstruction

workers

Criteria9 Reduceairpollutionduringconstruction

Criteria29 Acceptableoutdoorandindoornoiselevels

Criteria30 Tobaccoandsmokecontrol

Criteria22 Reductioninwasteduringconstruction

Criteria23 Efficientwastesegregation

Criteria24 Utilizationofflyashinbuildingstructure

Criteria25 Adoptenergyefficienttechnologyinconstruction

Plumbingengineer/MEPconsultant

Criteria

11

Reduce

building

water

use

Criteria20 Wastewatertreatment

Criteria21 Waterrecycleandreuse

LEED

LEEDisathirdpartycertificationprogramandthenationallyacceptedbenchmarkforthedesign,

constructionandoperationofhighperformancegreenbuildings.DevelopedbytheU.S.GreenBuilding

Councilin2000throughaconsensusbasedprocess;LEEDservesasatoolforbuildingsofalltypesand

sizes.LEED

certification

offers

third

party

validation

of

aprojects

green

features

and

verifies

that

the

buildingisoperatingexactlythewayitwasdesignedto.

LEEDfocusesonanumberofdesignandconstructioncategoriesaimedatreducingtheenvironmental

footprintandincreasingthewellbeingofbuildingoccupants.Abuildingmaybecertifiedas:

LEEDcertified 26 32points

LEEDSilver 33 38points

LEEDGold 39 51points

LEEDPlatinum 52+points

Thestandards

are

defined

such

that

abuilding

may

become

LEED

Certified

by

using

integrated

building

designwithlittleorno additionalfirstcost,whileLEEDPlatinummaybeattainedbyusingthemost

advanceddesignandconstructioninitiatives.ThefollowingcategoriesareavailableforattainingLEED

points:

Categories PointsAvailable

1.SustainableSites 14

2.WaterEfficiency 5


11/18

3.EnergyandAtmosphere 17

4.MaterialsandResources 13

5.IndoorEnvironmentalQuality 15

6.LEEDInnovationCredits 5

TotalPointsAvailable 69

LeedCertifiedProjectsInIndia

ITCGreenCenter,Gurgaon Platinum

WiproTechnology,Gurgaon Platinum

GrendFosPumpsIndia,Chennai Gold

Technopolis,Chennai Gold

IGPOffice,Gulbarg Gold

SustainableSites 14Points

ConstructionActivityPollutionPrevention Required Required

SiteSelection 1 1

DevelopmentDensity&CommunityConnectivity 1 5

BrownfieldRedevelopment 1 1

AlternativeTransportation,PublicTransportationAccess 1 6

AlternativeTransportation,

Bicycle

Storage

&

Changing

Rooms

1 1

AlternativeTransportation,LowEmitting&FuelEfficientVehicles 1 3

AlternativeTransportation,ParkingCapacity 1 2

SiteDevelopment,ProtectorRestoreHabitat 1 1

SiteDevelopment,MaximizeOpenSpace 1 1

StormwaterDesign,QuantityControl 1 1

StormwaterDesign,QualityControl 1 1

HeatIslandEffect,NonRoof 1 1

HeatIslandEffect,Roof 1 1

LightPollutionReduction 1 1

WaterEfficiency 5Points

WaterEfficientLandscaping,Reduceby50% 1 2

WaterEfficientLandscaping,NoPotableUseorNoIrrigation 1 2

InnovativeWastewaterTechnologies 1 2

WaterUseReduction,20%Reduction 1 2


12/18

WaterUseReduction,30%Reduction 1 2

Energy&Atmosphere 17Points

FundamentalCommissioningoftheBuildingEnergySystems Required

MinimumEnergy

Performance

Required

FundamentalRefrigerantManagement Required

OptimizeEnergyPerformance 1to10

OnSiteRenewableEnergy 1to3

EnhancedCommissioning 1

EnhancedRefrigerantManagement 1

Measurement&Verification 1

GreenPower1

Materials&Resources 13Points

Storage&CollectionofRecyclables Required

BuildingReuse,Maintain75%ofExistingWalls,Floors&Roof 1

BuildingReuse,Maintain100%ofExistingWalls,Floors&Roof 1

BuildingReuse,Maintain50%ofInteriorNonStructuralElements 1

ConstructionWasteManagement,Divert50%fromDisposal 1

ConstructionWasteManagement,Divert75%fromDisposal 1

MaterialsReuse,5% 1

MaterialsReuse,10% 1

RecycledContent,10%(postconsumer+preconsumer) 1

RecycledContent,

20%

(post

consumer

+

pre

consumer)

1

RegionalMaterials,10%Extracted,Processed&ManufacturedRegionally 1

RegionalMaterials,20%Extracted,Processed&ManufacturedRegionally 1

RapidlyRenewableMaterials 1

CertifiedWood 1

IndoorEnvironmentalQuality 15Points

MinimumIAQPerformance Required

EnvironmentalTobaccoSmoke(ETS)Control Required

OutdoorAir

Delivery

Monitoring

1

IncreasedVentilation 1

ConstructionIAQManagementPlan,DuringConstruction 1

ConstructionIAQManagementPlan,BeforeOccupancy 1

LowEmittingMaterials,Adhesives&Sealants 1

LowEmittingMaterials,Paints&Coatings 1

LowEmittingMaterials,CarpetSystems 1


13/18

LowEmittingMaterials,CompositeWood&AgrifiberProducts 1

IndoorChemical&PollutantSourceControl 1

ControllabilityofSystems,Lighting 1

ControllabilityofSystems,ThermalComfort 1

ThermalComfort,Design 1

ThermalComfort,

Verification

1

Daylight&Views,Daylight75%ofSpaces 1

Daylight&Views,Viewsfor90%ofSpaces 1

Innovation&DesignProcess 5Points

InnovationinDesign:ProvideSpecificTitle 1




LEED

AccreditedProfessional 1

ProjectTotals (precertificationestimates) 69Points

Certified: 2632points, Silver: 3338points, Gold: 3951points, Platinum: 5269points


14/18

BASIX

BASIXorBuildingSustainabilityIndexisaschemeintroducedbythegovernmentofNewSouth

Wales,Australiain2004toregulatetheenergyefficiencyofresidentialbuildings.Itoffersanonline

assessmenttool

for

rating

the

expected

performance

of

any

residential

development

in

terms

of

water

efficiency,thermalcomfortandenergyusage.Itaimstoreducewaterconsumptionandgreenhousegas

emissionsby40%comparedtopreBASIX(2004)buildings.

BASIXisanacronymforBuildingSustainabilityIndex.Itwasintroducedbeforetheintroductionofthe

SectionJefficiencyrequirementssoitcanclaimtobethefirstrealmandatorymeasurableenergy

efficiencystandardforhomesinAustralia.Itdealswiththreespecificareasofefficiency:

1. Energyefficiency2. Waterefficiency3. Thermalcomfort

Itisawebbasedtoolforallhomeownersanddesignerstoaccess.Throughtheuseofthetoolitis

possibletocreatealistofefficiencyrequirementsforyourhomerelevanttotheactualclimatezonein

whichthehomeislocated.ThisensuresthatthehousedesignedforTheAlpineregion,forinstance,has

differentdesignprotocolsforthehousedesignedfortheNorthCoastofNSWwhichhasamore

temperateclimate.

OnceyouhavecompletedalltherelevantrequirementsunderBASIXusingthewebbasedtoolandyour

buildingdesigncomplieswiththeefficiencylevelsstipulatedforthattypeofhomeinthatspecificarea,

acertificateofcomplianceisissued.Onceyouprintthisoutyoumustthenproducethatcertificateto

theapprovalauthoritysuchasCouncilorPrivateCertifyingAuthority(PCA)togainyourconstruction

certificate.

Youcannotcommenceworkswithoutthatconstructioncertificateanditwon'tbeissuedunlessyou

havecompliedwiththeBASIXdesignrequirementsandcanproducetheappropriatecertificatethat

certifiesyourproposedhome'scompliance.

Inotherstatesamoresimplechecklistisissuedwhichensuressimilarresidentialefficiencycompliance.

IfyoufeelitistoodifficulttoensureyourhomecomplieswithBASIXoryouwouldliketomakeyour

homeevenmoreefficientorevenvalidatetheinterpretationsyouhavegainedfromBASIX,youcanuse

anaccreditedassessorwhocanundertakeathermalassessmentofyourhomedesignandprovidea

certificatecertifyingthatyourhomehasachievedtherequiredthermalcomfortandenergyefficiency

ratingsstipulatedundertheBCA.Theseprofessionalassessorsuseleadingedgethermalanalysis

software.They

are

trained

in

thermal

building

assessments

while

also

being

accredited

to

issue

the

thermalandenergycomponentsoftheBASIXcompliancecertificate.

Whileallstatesvaryslightlyintheirapprovalrequirements,outsideofNSWthereisaminimumenergy

andwaterconsumptionrequirementgradedbyastarratingthatallhomesmustcomplywith.InNSW,

BASIXsetsactualnumericalconsumptiontargetsyourhomemustcomplywith.


15/18

TheoverallintentofBASIXisthatyourhomewilluse40%lessenergyandwaterthanasimilarhome

thatdoesn'tmeetalloftheBASIXrequirements.

KeyPointsaboutBASIX

BASIXsetsoneenvironmentalstandardacrossallNSWCouncilareas.

BASIXisoneofthestrongestsustainableplanningmeasurestobetakeninAustralia,deliveringequitableandeffectivewaterandgreenhousegasreductions

acrossthestate.

BASIXmeansnonewhomebuiltinNSWwillusemorewaterthanthecurrentstateaverage.

BASIXisfree,flexibleandeasytouse,allowinghomebuilderstodeterminehowtheywillmeettargetsfromawiderangeofoptions.

BASIXsetsclearsustainablehousingtargets. BASIXprovidesmuchgreatermarketcertainty

forsustainableindustries,suchasmanufacturersofsolarhotwatersystems,rainwatertanks,

insulation,performance

glass

and

stormwater

systems.

BASIXprovidesnewhomeownerswithbetterqualityhomesthataremoresuitedtotheirenvironmentandlessexpensivetorun.

BASIXissubjecttoongoingmonitoring:sinceimplementation,theDepartmenthasconductedamonitoringprogramof100BASIX

complianthomedesignsthatarenowinthedevelopmentapprovalandconstructionprocess.

Itemstonote:

Everyhomehasarainwatertank,theaveragesizebeing4,000litresandthemajorityofwhichwillbeplumbedtothetoiletandlaundry,aswellasprovidingwaterforthegarden;

1in4ofthesehomeswillhaveasolarhotwaterorheatpumpsystem; Over30%ofthehomeshaveincludedperformanceglassanddoubleglazing; Allhomesareoptingforefficientshowerheadsandtapfixtures,reducingwateruseandcosts; Eaves,shading,insulationandothersimpledesignfeaturesaremakingawelcomecomeback.

Examplesofsustainablehousingfeatures:

Rainwatertanks,plumbedtotoilet,gardenand/orlaundry Efficient(3A5A)showerheads,toilets,tapfittings Useofindigenousgardenspecies Greywatersystemwhereappropriate

Solar,

heat

pump

or

high

efficiency

gas

hot

water

systems

Efficientpoolheatingandpumps Goodsolarorientation Crossventilation Insulation Externalshading Performanceglazingforlargeglazedareasand/orpoorlyorientedareas Ceilingfans,evaporativecoolersorhighefficiencyairconditioning Energyefficientlighting


16/18

Alternativeenergysystemssuchasphotovoltaics.


17/18

SupportingMotion:HowcanGovernmentsinvolvementmakeGreenArchitecturemore

affordable?

GovernmentPoliciescanhelpinthistoagreatextent

Example:In

China

there

are

major

constructions

being

held

in

large

scale

consisting

of

tall

tower

buildings.Theconsofthesebuildingsareonceconstructedtheyblockthesunlightaccessforthesmaller

lowheightbuildingsadjacenttothese,whichnowhavetousemoreofmechanicalmeansforlight

access.Tosolvethisproblemthegovernmenthascomeupwithacompulsoryrequirementofchecking

onesMLPschemeinaparticularsoftwarebeforereleasingfortender.Whatthissoftware(apluginto

Autocad)doesistakesinputfromtheuseraboutthefootprintofthebuildingsandtheheightofeachof

these.Thefootprintoftheadjacentstructuresisalsodrawn.

Nowasshowninthepicture,itgivesvaluesoftheno.ofhoursthesunlightexposureidreceived

tothegroundinandaroundtheplotdevelopment.theminimumrequirementof2hourshastobe

fulfilledforeachofthebuildingunitfortheschemetobepassed.Thus,noexcessivemechanicalHVACis

toberequiredinanyoftheunits.


18/18

ConclusionwithFivePointsonGreenArchitectureandtodaysEconomy:

1.EconomiesofScale:

Largescaleproductionmighthelpinreducingthecostofinnovativematerialsandgreentechnologies.

Itwouldalsomakeitcheaperforagreatermassofpeopletousethem.

2.Appropriate

Technologies:

ActiveandPassivemeansofgreentechnologiescanbeusedinsteadofexpensiveinstallationsinthe

nameofinnovation.

3.People'sawareness:

Itshouldcomefromwithineachoneofus,noonecanimposeitonus.Awarenessforgreenlifeand

sustainabilityshouldbeinculcatedinpeopleeventotheextentoftheirdaytodayliferoutine.

Theideatogogreenandimplementdesignmethodologies,formsandtechniquesthatmakean

optimumuseofenergywithinthebuiltenvironmentshouldcomefromtheusersownhabitand

consciencefortheenvironment.Thereisonlysomuchthatcanbedonethroughgovernmentpolicies,

rulesandregulationsbydifferentbodies.EvenwiththeavailabilityofequipmentsuchasOccupancy

sensorsforlighting,VFDsandVSDsforAir/Temperaturecontrol,theimplementationofthesameliesat

thediscretion

of

the

user.

The

practice

of

following

agreen

behavior

has

to

be

inculcated

into

the

lifestyleofpeople.

4.ExistingGreenRatingSystemsandunderstandingitsSignificance:Itshouldnotbedoneforthe

sakeofratingsandfororganizationstopublicizeabuildingandtogetrevenueoutofitGreen

architectureratingshouldbeamediumtousethemostofgreentechnologiesappropriatetothe

context.

5.GovernmentPoliciesandIncentives:GovernmentPoliciescanhelpinthistoagreatextent.

CertainlevelofincentivesintermsofTaxandrecognitionhelpalottoagreatermasstoadoptthis

greentheme.Andwiththegovernmentshelpcertaintechnologiesalsobecomecheaperandmore

availablewithitsintervention,thusmakingthesegreentechnologiesavailableandimplementableinan

economynot

supporting

expensive

developments.

report group3 green.architecture

Documents