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EFFICIENT BUILDINGS BEYOND DESIGN.... Rumi Engineer .. Godrej Green Building Consultancy Services
Source: Mc Kinsey Report
1 Billion new
consumers in emerging market cities by 2025
Cities are expected to build floor space equivalent to
85% of today’s
building stock Nearly 80 Billion cu.m
increase in municipal water demand by 2025
GLOBAL SCENARIO
Source: Mc Kinsey Report
NATIONAL SCENARIO
12.8% Increase in
population from 2010- 2025
Floor space in Cities expected to increase by
8.7% from
2010-2025
Nearly 15.8% increase in municipal water demand by 2025
• Current account deficit (CAD)
2003-04: + 7.36 Billion US$
2012-13: - 21.77 Billion US$
2013-14: - 7.8 Billion US $
Gold imports accounts for 12%
• Oil imports accounts for 30%
2009-10: 123 MMT
2013-14: 190 MMT
ECONOMICS OF SUSTAINABILITY
Source: Planning commission of India/McKinsey Global Institute
11th Five Year Plan:
Planned Target :78,700 MW
Revised Target :62,374 MW
Achievement :54,000 MW
12th Five Year Plan:
Planned Target : 88,537 MW
INVESTMENT : 1 MW POWER PLANT …?
Demand – Supply Gap : 12,000 MW
7 CR.
NATIONAL POWER SCENARIO
DYNAMICS OF ECONOMICS
Year Unit (kWh) Rate MD (kVA) Rate Cumulative Rate
FY 2012-13 6.00 150 7.03
FY 2013-14 7.09 200 8.19
% Change 18% 33% 14%
COST IMPACT?...
Design Technology
Operation and
Maintenance
Energy Efficiency…?
No Building is an Island
Inbuilt intelligence
Infrastructure
Interactive
Informative
Accountability
9
SMART & INTELLIGENT BUILDINGS
Fixtures &
Fittings
Baseline (Mandatory)
20% Reduction
Flow Unit Flow Unit Flow Unit Flow Unit
WC 1.6 GPF 6 LPF 1.28 GPF 4.8 LPF
Urinals 1.05 GPF 4 LPF 0.84 GPF 3.2 LPF
Faucets 2.1 GPM** 8.0 LPM** 1.69 GPM** 6.4 LPM**
WATER FLOW RATES ……IGBC –EB
** Design Test Water Pressure : 3 BAR / 44 PSI
PRICE is measurable, whereas VALUE is immeasurable
WASTE WATER MANAGEMENT : INCREASE USE OF RECYCLED WATER
12.80%
28%
59.20%
22%
33%
45%
29%
22.59%
48%
33%
16.00%
51%
0.00%
10.00%
20.00%
30.00%
40.00%
50.00%
60.00%
70.00%R
ecy
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2009 2010 2011 2012
Trend for Use of Recycled Water
Introduced Organic Composting Vermicomposting : Canteen and Garden waste Organic Compost Yeild in the range of 3 to 4 MT/year
Organic Composting
Recycling of canteen & garden waste
12
Reducing Heat Island Effect by Roof Garden
Project: Godrej IT Park at Mumbai Platinum Rated CS project
34 Deg C
24 Deg C
42 Deg C
26 Deg C
HEAT ISLAND EFFECT NON-ROOF
Thermal Gradient : 28 to 43 ° C
Parking Areas with open grid pavers
42 Deg C
33 Deg C
Project: Godrej IT Park at Mumbai Platinum Rated CS project
TECHNOLOGIES
• Vertical landscaping
• STP – Reed bed Root Zone
• Regenerative elevators
• Hybrid cooling towers
• Evaporative cooling
• Motorized shading devices
• PV installed shading devices
• Radiant cooling
• Rainwater harvesting system – system
• Magnetic levitation compressors in chillers
• VAV-VFD Controls
Water Pumping System- An Efficient Pumping Solution
Monthly Energy Consumption Reduction : 44%
Water Pumping Efficiency Improvement(kWh/KL) : 12.34 to 3.96
Annual Energy Saving : 78,000 kWh
Annual Energy Bill Reduction : Rs. 4,90,000
Investment on Project : Rs. 12 Lacs
Payback (months) : 30
Annual Reduction in CO2 Emission : 62.4 MT
RETROFIT OF RECIP. CHILLER WITH SCREW .. CASE STUDY
ENERGY EFFICIENT CENTRAL AIR CONDITIONING CHILLER
180 TR DX Type Reciprocating AC system 150TR Screw water cooled system
More than 15 years OLD. Energy efficient- Screw Chiller
Consumption(KW/TR)- 1.22 Consumption(KW/TR)- 0.7
Regular operational breakdown New system – Preventive maintenance
Refrigerant -HCFC-R22 Refrigerant -HFC134a
Annual Savings- Rs. 16 Lac Pay back - 2.5 Years
Investment – Rs.40 Lac
CONDENSER : Approach-in-Energy Efficiency …..?
Condenser Approach @ 16 ° F Energy / mth. : 42,000 kWh
Condenser Approach @ 3 ° F Energy / mth. : 34,000 kWh
% Savings : 19 %
TDS CONTROL : AUTO BLOW DOWN @ COOLING TOWER
COND. APPROACH : DIFF. BETWEEN REF. SAT. TEMP & COND. WATER LEAVING TEMP.
Operation & Maintenance : Area of Concern
Scale Formation in Condenser
CT Wr. Fills
GODREJ BHAVAN .... MUMBAI
Built Up Area : 41,000 Sq. ft. No of Floors : G + 6
LEED For Existing Building Operation & Maintenance V-2
Gold 56 /92
Sustainable Sites 07/12
Water Efficiency 09/10
Energy & Atmosphere 18/30
Material & Resources 10/14
Indoor Environmental Quality 07/19
Innovation in Design 05/07
Regional priority Credits 04/04
Energy Cons. Units 2009-10 2010-11 2011-12 2012-13 2013-14
Energy kWh Units
48,703
45,406
42,928
44,257
43,655
% diff Base Year -7% -12% -9% -10%
Max. Demand
kVA 197 164 158 164 136
% diff Base Year -17% -20% -17% -31%
Water Units 2009-10 2010-11 2011-12 2012-13 2013-14
BMC kL
229
118
113
134
111
% diff Base Year -49% -51% -41% -52%
SCORE CARD --- ENERGY & WATER
48,703 45,406 42,928 44,257 43,255
4,17,642
3,54,617 3,22,277
4,58,491 4,98,254 4,17,642
3,84,290 3,77,140
5,04,551
5,61,008
-
1,00,000
2,00,000
3,00,000
4,00,000
5,00,000
6,00,000
40,000
41,000
42,000
43,000
44,000
45,000
46,000
47,000
48,000
49,000
50,000
2009-10 / Base Year 2010-11 2011-12 2012-13 2013-14
Actual Energy / Cost Vs Incremental Energy / Cost
Actual Energy Inc. Energy Actual Cost Rs Inc .Cost
Godrej Bhavan - Y-O-Y Energy Vs Cost Performance
** The Energy values is measured in kWh ** The Cost unit is INR ** The Values are Considered as Average Values for the FY
It’s not about the points to get a Building
certified…
The points are not the point
The points are not sustainable.
Are we missing the actual point?
Courtesy : Ar. Karan Grover
L & T Office Building (North Block)…. MUMBAI
Built Up Area : 2.3 lac Sq. ft. No of Floors : G + 7
LEED For Existing Building Operation & Maintenance V-3
Gold 73/110
Sustainable Sites 19/26
Water Efficiency 09/14
Energy & Atmosphere 28/35
Material & Resources 05/10
Indoor Environmental Quality 04/15
Innovation in Design 04/06
Regional priority Credits 04/04
CISCO BGL-13 .. BANGALORE
Built Up Area : 2.6 lac Sq. ft. No of Floors : G + 4
LEED For Existing Building Operation & Maintenance V-3
Platinum 87 /110
Sustainable Sites 17/26
Water Efficiency 12/14
Energy & Atmosphere 34/35
Material & Resources 07/10
Indoor Environmental Quality 08/15
Innovation in Design 05/06
Regional priority Credits 04/04
OBEROI MALL, GOREGAON
Project Details
Project Title : OBEROI MALL
Building Use : ENCLOSED MALL
Location : GOREGAON, MUMBAI
Size : 712957 SQFTS
Certification Level : GOLD under LEED-EBOM
Project Team Profile
Owner : OBEROI REALTY
Green Consultant : Godrej & Boyce Mfg. Co. Ltd
FIRST MALL IN INDIA TO GET CERTIFIED UNDER LEED EXISTING BUILDING
CATEGORY
Stakeholder Awareness
Project Management : Motivation
Energy / Water Accountability at System Level
Selection & Sourcing of ‘Appropriate’ Technology / material
Capacity Building : Skilled Workforce
Integration of Systems with IBMS
Documentation
GENERIC CHALLENGES…..
In nature there are neither rewards nor punishments, there are only consequences If civilization has to survive it must live on the Interest, not the Capital of nature ! - Ronald Wright
Green Building Consulting
Building Simulation
Building Commissioning
MEP Design Consulting
Building Information
Modeling (BIM)
CFD Analysis Third Party Audits
OUR SERVICES
www.godrejgreenbuilding.com
