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Green Buildings - Lessons Learnt

7 December 2012

11th National Convention on Sustainable Housing for Masses

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IGBC Vision

Vision 2025 Enable Sustainable Built-

Environment for ALL

India to become one of

the world leader in

Sustainable Built-

Environment by 2025

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Rating Programmes to Suit DifferentBuilding Types

Programmes launched

IGBC Green Homes

IGBC Green Factory Buildings

IGBC Green SEZs

IGBC Green Townships

LEED 2011 for India

New Construction

Core & Shell

Other Programmes on anvil

IGBC Landscape *

* Rating under development

Rating systems applicable for all 5 climatic zones in the country

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Green Building Movement in India

In 2001,

1 Green Building20,000 sq.ft.

1,810 Green Buildings,

1.275 Billion sq.ft.

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Green Building Movement in India

S No Criteria 2001 Till date

1 CEOs & senior people involved 50 10,000

2No. of professionals trained on GreenBuilding concepts 10 18,500

3

No. of registered Green Buildings

Built in Area (sq.ft)

1

20k

1,810

1,275 Million

4 Green Building products & equipment 5 120

5IGBC Member Organisations

(Founding Members)

01,380

(114)

6 IGBC Local Chapters 0 13

7 IGBC Accredited Professionals 0 894

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Benefits Experienced in Green Buildings

Building Sq.ft Normal

Building

(kWh)

Actual

Building

(kWh)

% Reduction Annual

Energy

Savings

(Rs in Lakhs)

Wipro 1,75,000 48,00,000 31,00,000 40% 102

ITC 1,70,000 35,00,000 20,00,000 45% 90

CII Godrej

GBC

20,000 3,50,000 1,30,000 63% 9

First 3 Platinum buildings monitored to validate tangible benefits

Benefits far exceeding the initial estimates

Energy consumption depends on

Local climate, Density of occupancy, Occupancy schedule, Orientation

of the building, Internal loads

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Green Buildings Resulting in SignificantBenefits

Environmental

Benefit Category

Annual Benefits

Per Million Sq.ft*

CO2 reduction 12,000 Tons

Energy savings 15,000 MWh

1.275 Billion sq.ft so far

*Source : IGBC

Eco-Commercial Building, Greater Noida-LEED Platinum

ITC Green Centre

LEED Platinum

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What Green Buildings did differently

Feature Conventional Building Green Building

Electrical Demand

(1 Mn sq. ft)

8 - 10 MW 6 - 7 MW

Lighting Power Density

(watts/ sq. ft)

1.5 - 2.0 0.6 - 0.8

Equipment PowerDensity (watts/ sq. ft)

2.5 - 3.0 1.5 - 2.0

Local Shopping Complex- Reliance

LEED Gold RatedAquamall, Dehradun

LEED Gold

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Green Building Journey-The Lessons Learnt

#1) Green Buildings Make Business Sense

#2) Be Open for New Ideas

#3) Designers Need to be Customer Centric

#4) Green Buildings do not affect project schedule

#5) Monitoring the performance will lead to continuousimprovements

#6) Carrot & Not Stick Policy

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Lessons Learnt # 1

Green Buildings Make Business Sense

Green Buildings makebusiness sense

Tangible benefits

Energy 40-50 %

Water 20-30 %

Incremental cost : 5 - 6 %

Payback : 3 -4 years

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Building Year

awarded

Built-in Area

(sq.ft)

Rating

Achieved

% increase

in cost

Payback

(Yrs)

CII-Godrej GBC,

Hyderabad

2003 20,000 Platinum 18 % 7 years

ITC Green Centre,

Gurgaon

2004 1,70,000 Platinum 15 % 6 years

Wipro,Gurgaon

2005 1,75,000 Platinum 8 % 5 years

Technopolis, Kolkata 2006 72,000 Gold 6% 3 years

Spectral Services

Consultants Office, Noida

2007 15,000 Platinum 8% 4 years

Kalpataru Square 2008 3,00,000 Platinum 2% 2 years

Suzlon One Earth, Pune 2010 8,00,000 Platinum 2% 2 years

Cost of Green Buildings - Indian Experiences

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Lessons Learnt # 2

Be Open for New Ideas

Open for ideas Not to stick to run-of-the mill designs

Incorporate green by design

Can make green buildings economical

Keep abreast of latest green concepts &

technologies

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Lessons Learnt # 3

Designers Need to be Customer - Centric

Customer-centric

Different customers ; different drivers

Owner : Functionality, Savings

Developer : Viability, Image

Architect : Pride

Occupant : Comfort

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Design parameters arefrozen during the initial

stages

Rating awarded coinciding

with the commissioning

Approach

Do what you say & say what

you do

Lessons Learnt # 4

Green Buildings do not affect Project Schedule

Spectral Services, Noida

LEED NC Platinum

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Data of energy consumption

reported by certified

projects are in IGBC

website

www.igbc.in

Information voluntarily

shared by certified projects

Lessons Learnt # 5Monitoring the Performance will lead to

Continuous Improvements

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Type ofBuilding

Average Energy

Savings overConventional

Buildings (%)

Average Water

Savings overConventional

Buildings (%)

Corporate

Offices

47% 60%

Tech Parks 27% 50%

Hotels 35% 45%

Hospitals 33% 35%

Educational

Institutions

39% 40%

Data collected from 40 IGBC Rated Green Buildings so far

Asian School of Business, PallippuramIGBC Gold rated

Performance monitoring

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Lessons Learnt # 6

Carrot & Not Stick Policy

Green building should be a voluntary

initiative

Carrot & not stick policy

Require sops & not legislations

Incentives for green buildings will

Enhance Pride ; Not Economics

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Government & IGBC

Ministry of Environment and

Forests (MoEF) Notification

on Green Buildings

Faster Environmental

Clearance to projects

applying for IGBC Green

Building Certification

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Additional FAR of 5% for IGBC rated Green Buildings

by NOIDA

Plot size of 5,000 sq.m and above

To achieve a minimum of Gold rating

Government & IGBC

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Tremendous Potential to address

sustainability issues through

Green Buildings Concepts

India has demonstrated the

Leadership

Together we can work towards

making India one of the GlobalLeaders in Sustainable Built-

Environment

To Sum Up

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GoGreen.www.igbc.in