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Green city

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Page 1: Green city
Page 2: Green city

Abstract• To us, a green city is a city that has the cleanest and most efficient

energy, transportation, and building infrastructure possible.• A green city derives its energy from renewable sources like solar

and wind, and distributes that energy through efficient and reliable systems.

• A green city is made up of buildings that are energy efficient, conserve water, and reduce waste. A green city is connected by clean and accessible public transportation networks and is biking- and walking-friendly. A green city is a healthier, more affordable, and more pleasant place to live.

• In this project, we are building a township or a city which consists of houses, malls, office buildings, signal lights, schools, drainage facility and amusement park.

• The city will have a drainage system that collects water from every house and recycles it.

• Renewable resources like wind power can be used to generate electricity which in turn is used to light the city signal lights, street lights etc.

• Recharge ponds can be constructed to recharge the ground water.• Rain water harvesting can be done to collect water for household

uses such as flushing, washing, gardening etc.

Page 3: Green city

CONTOUR MAP

Page 4: Green city

CITY SPECIFICATIONS• Residential enclave• Office area• Shopping complex• International school• Mall and cinemas• Golf range• Landscaped gardens• Hospital • Sports complex• Water treatment plant• Wind mill farm• Solar photovoltaic plant• Water supply tanks

Page 5: Green city

AMENITIES

• Gymnasium• Children’s play area• Tennis courts• ATM• Football/Athletics track• Club house• Jogging track• Medical center

Page 6: Green city

RESIDENTIAL ENCLAVE LAYOUT

Page 7: Green city

RESIDENTIAL ENCLAVEThe residential area will comprise of 4752 apartment units spread across 54 high rise towers. Area : It covers a total area of 57 acresDesign Standards : The development is designed to comply with National Building Codes (NBC) and is LEED certified.Power : All towers have solar heaters on roofs to provide hot water and PV panels to power different amenities such as lift, generators etc.

Page 8: Green city

CITY LAYOUT

Page 9: Green city

Individual areas covered

• Residential enclave = 57 acres• Office, mall and school = 70 acres• Solar farm = 30 acres• Cultivated land = 17 acres• Golf course = 20 acres• Water treatment plant = 15 acres• Green area = 50 acres

Page 10: Green city

ELECTRICAL ENERGY CONSERVATIONCONVENTIONAL CITY GREEN CITY

Yearly consumption :-

Residential enclave = 44809 MWh/yearOffice area = 132581 MWh/yearMall = 1516 MWh/yearOther = 80000 MWh/year

TOTAL CONSUMPTION = 260000 MWh/year

Average saving using occupancy sensors/ photo sensors and daylight harvesting sensors = 25%

Average saving using solar water heaters = 5%

TOTAL SAVINGS = 30%

Annual Saving in = 30% of 260000 MWhelectricity = 78000 MWh/year

Page 11: Green city

WATER CONSERVATIONCONVENTIONAL CITY GREEN CITY

Water demand per capita per day = 150 L

Water consumed by 19000 people = 150 X 19000 = 2,850,000 L

Average water consumption per year= 1040 million liters

Recycling 80% of water used= 80% of 2850000 L= 2280000 LTherefore, average annual conservation= 2280000 X 365= 832 million liters

Rain water harvesting :Total catchment area = 1032 m2

Rain water harvested = (Avg. annual rainfall) X (Catchment area) X (Conversion factor) X 1000= 0.862 X 1032 X 0.9 X 1000= 800625 liters

Page 12: Green city

CARBON FOOTPRINT REDUCTION

Coal Gas PV Wind0

200

400

600

800

1000

12001070

662

35 29

CORBON EMISSION CHART

carbon emissions

gCO

2/kW

hr

Resources

Page 13: Green city

CONVENTIONAL CITY GREEN CITYUsing coal as resource :

Electricity produced = 260 million kWh/year

Carbon emissions due to coal = 1070 gCO2/kWh

Total carbon emissions = 260 X 106 X 1070 = 2.78 X 1011 gCO2/year

Using gas as resource :

Carbon emissions due to gas = 662 gCO2/kWh

Total carbon emissions = 260 X 106 X 662 = 1.72 X 1011 gCO2/year

Average emissions = 2.25 X 1011 gCO2/year

Using solar power as resource :

Electricity produced = 80 million kWh/year

Carbon emissions due to PV panels = 35 gCO2/kWh

Total carbon emissions = 80M X 35 = 2.8 X 109 gCO2/year

Using wind as resource :

Electricity produced = 180 million kWh/year

Carbon emissions due to wind energy= 29 gCO2/kWh

Total carbon emissions = 180M X 29 = 5.22 X 109 gCO2/year

Total carbon emissions = (2.8 + 5.22) X 109

= 8.02 X 109 gCO2/year

Percentage carbon emission reduced = 100 – ((8.02 X 109)/(2.25 X 1011) X 100) = 96%

Page 14: Green city

Construction Material

Water-based paints that have no volatile organic compound, which harm human healthReinforcing bars made of 100% recycled steel

• Green concrete that used ground granulated blasted slag to replace cement, resulting in a reduction of the concrete carbon footprint by 30-40% of CO2

Page 15: Green city

Renewable resources

The city is powered by a field of 30 acres with 53000 solar panels with additional panels on roofs. There are no light switches or water taps in the city; movement sensors control lighting and water to cut electricity and water consumption by 51 and 55 percent respectively.The rest of the power demand will be fulfilled by the electricity produced from the offshore wind farm.

Page 16: Green city

Water strategy

• Reduce consumption to 130 L/c/d

• Reduce water leakage to 3%• Recycle 90% of grey water

Page 17: Green city

Greywater50% to 80% of residential waste water comprises of greywater.Greywater is all water from house except from toilets and garbage disposal.

Greywater comes from: #Kitchen#Shower#Sink#Washing machine

Page 18: Green city

Current system: combine

greywater and blackwater

Treat using membrane bioreactor

(MBR) plantTreated sewage

effluent will be used for

landscaping

Biosolids resulting from the treatment

reused for compositing and

in any future waste-to-energy

plant

WASTEWATER MANAGEMENT SYSTEM

Page 19: Green city

80% of water that is used is recycled

Page 20: Green city

Water storage tank capacity

Water demand per capita per day = 150 LWater consumed by 19000 people= 150 X 19000 = 2,850,000 LTaking water tank capacity = 3,000,000 L = 3,000 cumAssuming three tanks of 1000 cum capacityAssume depth of one tank = 8mArea of one tank = 1000/8 = 125 sq. mTherefore, Diameter of each tank = 12.6 m

Page 21: Green city

High efficiency appliances

Smart water meters

Highly efficient irrigation systems

TECHNOLOGIES

Page 22: Green city

GOALTo become a leader in carbon reduction projects in the region

Page 23: Green city

PV electricity generation

Page 24: Green city

Solar Water Heaters Save Energy

Solar water heaters keep the standard of living high while keeping energy consumption down. Solar water heaters use a combination of the sun’s heat and photovoltaic cells to heat water. This example is produced by the German company Guersolar.

Page 25: Green city

Waste management strategy

50% of materials recycled 33% waste-to-energy 17% composting

Page 26: Green city

Carbon neutral

Page 27: Green city

PERSONAL RAPID TRANSIT (PRT)

Page 28: Green city

Electric vehicles

Page 29: Green city

Personal Rapid Transit (PRT) system of 100% electric-powered, automated vehicles has been in operation since 2010 with existing road and railways connecting to other locations outside the city.

PRT vehicles are sized for individual or small group travel, typically carrying no more than 3 to 6 passengers per vehicle.

The PRT vehicles will travel at speeds up to 40km/h, with the longest routes in the city taking around 10 minutes.

Personal Rapid Transit system

Page 30: Green city

THANK YOU