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3% of Indias landmass 40% of her people 75% of her natural resources 62% of GDP Thats our cities. Parasites that corrode our larger ecosystems.

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Presentation on theme: "3% of Indias landmass 40% of her people 75% of her natural resources 62% of GDP Thats our cities. Parasites that corrode our larger ecosystems."— Presentation transcript:

1 3% of Indias landmass 40% of her people 75% of her natural resources 62% of GDP Thats our cities. Parasites that corrode our larger ecosystems

2 3K calories a day … Current Sun provides. 225,000 calories a day is our current urban per capita. All the rest of energy comes from Coal, Oil, Gas … or the Ancient Sun.

3 India comprises just 2.4% of the worlds inhabitable geographic spread. We support 17% of the worlds people Urban Agglomerations, towns and cities

4 Tamil Nadu expected to touch 76% urbanization by 2025; Maharashtra 52% by that year. World average today at 50%. Indias average today at under 38%

5 Indias GDP touched US$ 1 trillion last year. NYC alone generates 1.3 trillion. Tokyos is even larger at 1.4 trillion plus.

6 Buildings that have sought Green certification is now at 850 m. sft. Set to touch 1 billion Sft before March Thats 1 green Sft for every citizen The first billion took nine years. The 2 nd billion green sft will come in next 4 years. This year alone India is building 6 billion Sft. Gradually going up to 30 billion by 2030.

7 BCILs Zed variety of green...

8 We use... no bricks, no clay blocks, no clay tiles, no ceramic or vitrified tiles for bathrooms or for swimming pools. No forest timber, no incandescent bulbs, no regular fluorescent lamps, no halogen lamps. No waste exported, no municipal water imported. 20% power imported from grid.

9 We use... no geysers for hot water in our homes. no synthetic fertilizers or pesticides. no kitchen waste exported. no HCFC CFC or ODS in natural air- conditioning we offer in every ZED home. no chemicals for treating water for drinking, or for swimming pools, or for water-proofing compounds at time of construction.

10 no toxic paints for walls / metal / wood surfaces. nearly no plastering and paints for external surfaces. no diesel for gensets beyond up to about 30% of the fuel need. The rest 70 % is renewable energy or bio- fuels.

11 We use only LEDs for external lights; not even CFLs are used for external lighting. only solar-based or other hybrids for external lighting, no reliance on either grid power or gensets for such campus lighting. No pure cement used, only composites.

12 Costs us same as regular building Our customer price line is same, even less when competition is fierce Customers save 70% on energy bills They never suffer water shortage Their monthly campus maintenance cost is 35% less than regular apartments

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18 MICROCLIMATE MODIFICATION

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21 Δ T = 39 – 25 = 14°C

22 Δ T = 32 – 25 = 7°C

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103 DONT GO GREEN! Every 2000 houses can mean 1 million units of energy saved, or 10 MUs generated with just the switch from Incandescents/ 40W Tlights … to CFLs and LEDs. Thats 50 million units saved a year for a city like Chennai. Or 500 MUs of power generation avoided.

104 DONT GO GREEN! Every 2000 houses can save 70 million liters a year. Nearly a weeks fresh water supply. With aerators / flow restrictors costing less than Rs Thats 4 billion liters a year for a city of 100,000 households. Treating gray/black water and looping for flush tanks can save a city like Chennai about 400 million liters of water a day.

105 DONT GO GREEN! Reducing Contract load to 3 KW per household can bring power demand estimates down by 40 pc. Treating wet waste locally in apartments and homes can save 25 million liters of diesel and about 400 cr saved, for a Bangalore city on just disposing Garbage.

106 DONT GO GREEN! Every 1 Lac Sft of a multi-stack building means about 4200 cu. m of concrete, 400+ tonnes of steel, and 1/10 th of a Sq km of river bed sand at half-a-meter depth. Every 100,000 Sft of a regular building means about 250 tonnes of copper for electrical cabling.

107 DONT GO GREEN! 1 tonne of steel means loss of about 300 tonnes of raw earth and about 100 tonnes of iron ore to be smelted. Not to forget energy used by furnaces. 1 MW of energy generated at any thermal plant means 500,000 kg of coal and 30% of this as fly ash.

108 Losses multiply Primary Energy Heat-PowerTransmission & Distribution End-use Conversion Energy Service CoalPower PlantTransmission GridLamp Radiant Energy Illumination

109 Those Deeper Questions Can we disrupt? A 100K Sft building weighs about 15,000 tonnes. A 2K Sft house weights about 280 tonnes. Can we bring it down to half the weight, with half the matter being renewable?

110 Those deeper questions What comes ahead on value chain? Can we move away from Architecture-led Services of the past? To Services-led architecture?

111 … deeper questions Before releasing a drawing … Can an Arch think of the river bed sand that that drawing will destroy? Of the limestone it will deplete? The forests it will destroy for coal the building will need?

112 Whats next at ZED Habitats? To make more housing projects with no WSSB, no ESCOM, no Sewerage board connections … Zero import of water, zero export of waste, zero import of energy. 1 million more Sft of such housing on anvil this year. In Bangalore, Chennai, Pune…

113 Next at ZED! Urine to Ferts. 10K LPD, to produce 30K LPD of Organic Fert that increase yield for Potato and other legumes, Plantains. Roof top harvesting. 8 Sft a child Program at Schools. Zero Food Miles at ZED enclaves. Target 5 kg a day of Fruits and Vegetables per 100 Sft.

114 Next At ZED! Home STPs – away from Service Orientation to Product design. At 1 KLPD and Rs 25,000. Pay back in 3 years. Solar Distillers for Fresh Water. 80 liters of seawater to 15 liters of Distilled Water. At Rs For sale in coastal TN Air to Water Systems.At Rs 30K retail. Refrigerators at 300 Watts.

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