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Green Buildings & Sustainable Cities ArAnaghaParanjape-Purohit Partner, VK:eenvironmental Trustee, Sustainability Initiatives Trustee, Sustainability Initiatives DISHA @ Pune 21-22 January 2014

Green buildings & smart cities

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Green Buildings presentation at Disha on 22nd January 2014 in Pune by Anagha Paranjape-Purohit of Sustainability Initiatives

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Page 1: Green buildings & smart cities

Green Buildings & Sustainable Cities

Ar Anagha Paranjape-PurohitPartner, VK:e environmental

Trustee, Sustainability InitiativesTrustee, Sustainability Initiatives

DISHA @ Pune

21-22 January 2014

Page 2: Green buildings & smart cities

Do we really need Green

Buildings in India?

World per capita Carbon dioxide Emissions

Page 3: Green buildings & smart cities

YES! We do!

World Carbon dioxide Emissions

Page 4: Green buildings & smart cities

Exploring the ‘Green’

• What are ‘Green Buildings’?

• What is Green Architecture?

• What is Green Design?

Page 5: Green buildings & smart cities

Green Design Concepts

• The Focus of Green Building

Design is to provide: Response to

Climate

Thermal ComfortThermal Comfort

Visual Comfort

Reduce, Recycle

Reuse, RenewEnergy Efficiency

Resource Optimization

Page 6: Green buildings & smart cities

Climate Zones of India

COLD & SUNNY COLD & CLOUDY COMPOSITE

HOT & DRYWARM & HUMID MODERATE

Page 7: Green buildings & smart cities

Climate Analysis

Annual Temperatures & Patterns

Annual Radiation & Solar Exposure

Annual Rainfall & PatternsAnnual Rainfall & Patterns

Windflows , Speeds and Trends

Daylight Availability

Page 8: Green buildings & smart cities

RESPONDING TO CLIMATE IN

DESIGN

Page 9: Green buildings & smart cities

Hot & DrySmall Openings

Facing Inwards

Low heights

Page 10: Green buildings & smart cities

Warm & HumidCloistered Passages,

Outward Facing

Deep Overhangs

Protected Openings

Page 11: Green buildings & smart cities

ModerateFacing Inwards

Courtyard Ventilation

Cloistered Passages

Mutual Shading

Page 12: Green buildings & smart cities

CompositeFacing Inwards

Shaded Openings

Small Openings

Spaces Planned for Seasonal Extremes

Page 13: Green buildings & smart cities

Cold & SunnyOpenings facing the Sun

Thermal Mass

Restricting Air Movement

Page 14: Green buildings & smart cities

Cold & CloudyProtection from Dampness

Restrict Air Movement

Openings Facing the Sun

Page 15: Green buildings & smart cities

Building Design

Building Envelope

Building Materials & Finishes

Energy Efficiency

Resource Optimization

Page 16: Green buildings & smart cities

SQS, PUNE

Submitted

for GOLD

LEED NC

Certification

Page 17: Green buildings & smart cities

SQS Software,

Hinjewadi Pune

Months

January 71.00% 90.50%

February 82.83% 94.17%

March 94.67% 98.00%

April 100.00% 100.00%

May 100.00% 100.00%

June 100.00% 100.00%

July 100.00% 100.00%

August 100.00% 100.00%

September 100.00% 99.83%

October 87.67% 95.83%

November 76.50% 92.17%

December 68.83% 89.17%

% of windows in

shade for

proposed louvers

% of windows in

shade for changed

louvers

Proposed Louver Design, prior to Energy Efficiency calculations

Proposed Louver Design, to provide better shading and thus

lower Energy Consumption

• High Performance

Glazing

• AAC Blocks

Page 18: Green buildings & smart cities

SQS Software,

Hinjewadi Pune

11%

33%

Internal Lighting Energy

Equipment

ParticularsDesign case

(MWh)

Base case

(MWh)

%

Improvement

Total Energy

Consumption384.74 494.84 22.25

22% Energy Savings achieved by :

Energy Efficiency Building

Envelope, including Orientation

and Shading

Distribution of Electricity Use in SQS Buildings, Pune

51%

3%

1%

Equipment Energy

Air Conditioning

Miscellaneous loads

External Lighting Energy

Efficient HVAC System – water

cooled chillers with screw

compressors

Auto controls for Lighting &

Efficient Lighting Fixtures

Page 19: Green buildings & smart cities

Thermax, Pune • Critical façade Insolation

studies conducted

• SE Façade was found to

be critical

• The Envelope Design of

the building is tested for

Energy Efficiency

Page 20: Green buildings & smart cities

Thermax,

Pune

Page 21: Green buildings & smart cities
Page 22: Green buildings & smart cities

Kumar Cerebrum IT Park,

Pune

Page 23: Green buildings & smart cities

Solar Analysis for

21 October

Page 24: Green buildings & smart cities

Grundfos Pumps,

Chennai

Page 25: Green buildings & smart cities

• Optimized Daylight

through measures such as:

• Light Shelves

• Sky light

• Shallow Building Form

Grundfos Pumps, Chennai

• Shallow Building Form

Page 26: Green buildings & smart cities

11x11 Sky Villas,

Chembur

Optimized Daylight

Design to comply

with the prescribed

Daylight FactorDaylight Factor

Avoid Glare

situations

Ensure Uniform

Daylight Distribution

Page 27: Green buildings & smart cities

Testing Alternative Window Designs

Page 28: Green buildings & smart cities

Acres School, Chembur

Page 29: Green buildings & smart cities

SMART CITIES

Page 30: Green buildings & smart cities

Themes for Sustainability in Cities

• Optimized Landuse Allocation

• Open Space to Built Space Ratio

• Conservation of Environmental Features like Rivers and Hills

• Green Buildings & Green Neighbourhoods• Green Buildings & Green Neighbourhoods

Page 31: Green buildings & smart cities

Pune DP 2007-2027

Page 32: Green buildings & smart cities

Sabarmati Riverfront Development,

Ahmedabad

Page 33: Green buildings & smart cities

Themes for Sustainability in Cities

• Alternative & Sustainable Transport Options, including

walkability

• Affordable Housing Options

• Equitable Distribution of Resources• Equitable Distribution of Resources

• Water & Energy Efficiency, share of Recycling and Renewables

Page 34: Green buildings & smart cities

BRTS,

Ahmedabad

BRTS, Pune

Page 35: Green buildings & smart cities
Page 36: Green buildings & smart cities
Page 37: Green buildings & smart cities
Page 38: Green buildings & smart cities

VK:e environmental

Our Shades of Green

Page 39: Green buildings & smart cities

Sustainability Initiatives

Research and knowledgebase

development on Sustainability

Action Research to guide

professionals in

implementing Sustainability measures

Developing publications and

documentation to outreach

on Sustainability

Handholding role for

policy makers to ensure sustainability decisions

Advocacy for

Sustainability with government authorities

Page 40: Green buildings & smart cities

Thank you

+ 91 98220 13405

[email protected]

[email protected]