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Governance Knowledge CentrePromoted by Department of Administrative Reforms and Public GrievancesMinistry of Personnel, Public Grievances and PensionsGovernment of IndiaCase StudyEnvironmental SustainabilityGreen Rating for Integrated HabitatTRANSPARENCY AND ACCOUNTABILITYAssessmentAugust 2011Buildingsystem designBuildingsystem designBuildingsystem designlater use, trees protectedMinimise water consumption • Reduced water demand by 62%using low-flow plumbingfixtures• Reduced irrigation waterdemand by 50% using less lawnarea and more vegetation cover• Reduced heat effect by using17% paved area only• Used rain water harvestingsystem• Used waste water treatment forirrigationMinimise energy consumption to • Used natural lightingachieve visual and thermal comfort • Used external shading andefficient glazing for solar heatreduction• Applied Energy efficientartificial lighting designcompliant with ECBC• Applied Sun path analysis,wind direction and vegetationconsidered for architecture• Used natural ventilation incommon areas• Used Bamboo trellis roof shadeand solar panels to reducedirect solar heat gains• Used Water cooled chiller• Used Variable FrequencyDrives (VFDs) installed in AirHandling Units (AHUs)• Used Earth air tunnels used asa low energy strategyRenewable energy technology to • Met 30% energy requirementsreduce energy consumptionby solar panels• Met 100% hot water demand by12Researched and documented byOneWorld Foundation India