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9/17/2014
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9/17/2014
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PRESENTATION HEADLINES • About Tatva
• Salient features of “Tatva”
• Germination of an idea of creating a home
• How did the concept of green home come into place
• Contextual relation of a green home to the city and Indian residential sector
• Initial step- Devising an architectural design
• Level Two- Putting in the structural intelligence
• Level Three- Roping in the services
• Level Four- Developing the landscape
• Level Five- Empowering through renewals
• IGBC points tally for Tatva
• Future envision
ABOUT “TATVA”
• Project type- Residential (Individual home category)
• Project location- Indore, Madhya Pradesh
• Project site area & built-up area- 3714 Sq M & 807 Sq M (building footprint- 540 sq M)
• Project’s rating- IGBC Green Homes Platinum
• Project Mr. Azad Jain/ owner- Mr. and Mrs. Azad Jain
• Project Team-
• Designer, Structural and project management- Er. Azad Jain, Azad Jain Associates
• Green building consultant and energy analyst- Ar. Umang Agrawal, Grass
Consultancy
• Project manager- Ar. Nishant Gupta, Azad Jain Associates
• Landscape consultant- Mr. Shashank Shirsagar, Devila Landscape
• Interior designer- Mr. Vikas Thakkar
• Environment adviser & green design assistance- Ar. Umang Agrawal, Grass
Consultancy
9/17/2014
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SALIENT FEATURES OF “TATVA”
• Design for Thermal comfort-
• 100% use of AAC blocks in walls,
• complete roof top covered with XPS insulation topped with high SRI paint,
• 100% of glazing area DGU with tactical shading on east and west direction
SALIENT FEATURES OF “TATVA”
• Design for Water efficiency-
• Installation of water saving fixtures in the bungalow unit,
• Installation of push-operation water saving fixtures in servant’s quarters,
• Installation of EMZ technology based in-situ waste water treatment plant,
• 100% rainwater capture, storage, reuse and ground water recharge,
• Storm water drain at site boundary periphery, bio-swales along driveway,
• Utilization of treated waste water for landscape irrigation and car wash
SALIENT FEATURES OF “TATVA”
• Design for Enhanced ventilation-
• Devise of window openings, size and direction WRT Indore’s wind rose,
• Design of complete house window openings for enhanced ventilation,
• 100% area designed for cross-ventilation
SALIENT FEATURES OF “TATVA”
• Design for Energy efficiency-
• 100% internal artificial lighting based on LED,
• 100% external lighting also based on LED,
• Complete external lighting integrated with daylight sensor,
• Use of 5 star rated electronic appliances,
• Use of 5 star rated ceiling fans and energy efficient exhaust fans
• 2 KW capacity roof mounted solar PV, 200 L capacity solar hot water system
SALIENT FEATURES OF “TATVA”
• Design for efficient landscape-
• Complete species of trees planted at the site is native,
• Minimal % of turf area, maximum % of tree/plant/shrubs area,
• All landscape area distributed into zones according to irrigation type,
• Complete plantation beds irrigated through drip irrigation, turf area irrigated
through pop-up sprinklers,
• Treated water collection tank integrated with irrigation water supply line for
reuse of water
SALIENT FEATURES OF “TATVA”
• Design for material conservation and resource optimization-
• Over 75% of the total flooring locally sourced with recycled content,
• 100% of all internal paints are LOW VOC paints,
• All external wall paints are high SRI paints,
• Complete false ceiling done in gypsum boards with recycled content,
• More than 75% of stone flooring locally sourced
• All flush doors modeled from scrap wood, 100% of plywood used for furniture
FSC certified
• All windows locally made UPVC windows
• Recycled content reinforcement used at site
• Flyash content RMC for structural work, use of AAC blocks for wall
construction
• Use of scraped iron grills for remodeling of window grills and scraped tiles
from old house for floor finish at new house
9/17/2014
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• The concept of Tatva- the
residence, was incepted with an
idea of creating an identity
through architectural expression
of ethos of Mr. Azad Jain and
Mrs. Ashaa Jain.
• An ethos of creation of a dwelling
that is innovative, modern,
effective and inspirational in
today’s world.
• An architectural solution that is
suitably apt for today and
tomorrow which is sustainable
and resilient.
GERMINATION OF AN IDEA OF A HOME
Therefore as a project Mr. Azad Jain and a field expert, the idea of
innovation, suitability and longevity was central to the design of the
house
Innovation, suitability
, longevity
• In early 2012, a green building
conference was hosted at Indore
• As one of the known experts in
building sector, the Mr. Azad Jain
was an invitee to the conference
where green building related
details were thoroughly
discussed and explained.
• It appeared to the Mr. Azad Jain
that a building that is green can
be innovative, aptly suitable to
the modern building context and
can also result in longevity.
HOW DID THE IDEA OF A GREEN HOME COME
INTO PLACE
Thus green became the paramount prerequisite and driving factor of
the design concept for the new home of Mr. and Mrs. Jain. This was
the time when green building consultant was introduced to the project
Innovation, suitability
, longevity
CONTEXTUAL RELATION OF THE PROJECT TO
THE CITY AND INDIAN RESIDENTIAL SECTOR • The bungalow is located in the
commercial capital of Madhya Pradesh state, the city of Indore
• A rapidly emerging city; Indore is predominantly a city where individual housing is more popular among the masses
• Indore is popularly known as mini Bombay (present day’s Mumbai); what happens in the city, propagates to the farthest corners of central India
• Since the dawn of new millennia (year 2000), the property rates and housing demand has gone up three folds in the city. Thus leaving a huge demand for residential developments. The same is reflected in the countrywide analysis-
So was the thesis of the project design team; to develop a high
standard sustainable building design to act as prodigy for the city
of Indore and places habitual of following Indore.
Lets see the Indian context of housing demand …
INDIAN RESIDENTIAL SECTOR- ANALYSIS OF
HOUSING DEMAND • The urban population is growing at a rate
of 2.7% annually.
• BUT, housing supply is shortage of
population growth by 40%.
• India’s urban population would grow to
about 473 million in 2021 and 820 million
by 2051, as against only 285 million in
2001.
• This further highlights the kind of demand
that is expected in the residential and
commercial sectors in India.
• Conclusion: Housing and
demand will rise steadily in
cities and thus a demand for
more and more energy
HOUSING SUPPLY URBAN POPULATION
SHORTAGE OF SUPPLY
INITIAL STEP- DEVISING AN ARCHITECTURAL
DESIGN
Because of the orientation constrains, many openings went into western zone
and therefore the design team worked out an option to use wind current and
ambient cooling through trees, water body and western courtyard
Resultant- control of western exposure, control of wind current, and
logical use of wind flow for ambient cooling topped with
evapotranspiration
Design to achieve two goals
To provide for effective ventilation of complete house and
To provide for complete daylight spaces in all zones
Study of sunpath for location of internal spaces and tactical shading
Study of windflow pattern of Indore city to design for cross-ventilation
DESIGN FOR CROSS VENTILATION- ANALYSIS
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DESIGN FOR CROSS VENTILATION DESIGNING WINDOWS- ADVANCED BLINDS
DESIGNING WINDOWS- WINDOW SHADING DESIGNING WINDOWS- WINDOW SHADING
DESIGNING WINDOWS- WINDOW OPENINGS DESIGNING SHADES- WESTERN COURTYARD
9/17/2014
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DESIGNING SHADES- WESTERN COURTYARD LEVEL TWO- PUTTING IN THE STRUCTURAL
INTELLIGENCE
Because of the expertise of the structural designer, the total volume of
concreting and thus use of reinforcement was reduced considerably.
Also building’s dead weight was reduced and the use of RMC also added to
use of recycled content of flyash
Resultant- lower use of RCC, lower cost of construction, same structural
strength
Re
qu
ire
me
nt Structural
concept for minimizing use of RCC by intelligent design through
Via
use o
f m
ate
rial Lightweight
AAC blocks for building construction thereby reducing the building deadload by 12%
Via
desig
n o
f str
uctu
re
Innovative design of bungalow’s structural layout to eliminate beam depth- design as beamless structure
LEVEL THREE- ROPING IN THE SERVICES
Engineered approach to design for lighting layout-
Reverse calculations to reduce design LPD to less than half of benchmark values,
100% use of LED lights,
Daylight sensor integration with exterior lighting,
Exterior lighting too 100% LED
Engineered approach to water supply and sanitation design-
Selection of best in performance water saving fixtures
Minimal use of fresh water through water conservation and reuse via
In-situ sewage water treatment plant
Rainwater capture and storage and reuse in rainy season
Use of biotabs for urinals to eradicate water demand
In-depth research for selection of electrical
appliances-
Selection of 5 star rated appliances
Design of the ventilation scheme for mixed-mode
ventilation
Passive cooling techniques of water cascade, water
ponding, courtyard planning, and dense plantation
RAIN WATER HARVESTING SYSTEM
IN-SITU SEWAGE TREATMENT PLANT USE OF BIO-TABS
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LEVEL FOUR- DEVELOPING THE LANDSCAPE
Design to achieve two goals
To devise a native, drought tolerant and sustaining landscape
To reduce irrigation demand of the landscape to minimum
Development of rear landscape area into a vegetable garden planted with fruit trees and vegetables native to region
Development of front landscape area with only native trees of 30 varieties, maximization of shrubs and plants area, minimization of turf area, use of
open grid pavement in the lawn area
High efficiency in irrigation via use of pop-up sprinklers and drip irrigation beds
LANDSCAPE PLANTATION
LEVEL FIVE- EMPOWERING THROUGH RENEWABLES
Design to achieve two goals-
Renewables for lighting
Renewables for hot water supply
Installation of 2KW solar
PV for electrical supply,
Complete emergency lighting supply through solar PV
Supply of 1 light/room through solar PV
Installation of 200L solar hot water system for hot water supply for entire family together with servants’ quarters,
Complete elimination of electric water heaters
IGBC POINTS TALLY FOR “TATVA”
Project Name Pragati Park Residence 3682.96
Project Location Indore 788.85
Project Type residential GRASS
Project Climatic location Composite 11/12/2012 yes Maybe No
S. No. Total points Criteria Allotted Points Category 74 0 1
9 Current Total 8 0 1
i SSP MR 1 Local building regulations None
ii SSP Mr 2 Soil erosion control None
1 SSP C1Basic Household amenities
1 1 1
1 1
1 1
2 2
4 SSP C7Design for differently abled
1 1 1
5 SSP C8Basic Facility for construction
workforce1 1 1
2 2
2 SSP C2Natural topography or
Vegetation2
3 SSP C4
Heat Island Effect- Roof4
Site Selection and PlanningMandatory
Mandatory
Green Resilient
Architecture and
Sustainability
Solutions
IGBC Green Homes V2 ChecklistAchieving
Platinum
Points table
Umang Agrawal
IGBC POINTS TALLY FOR “TATVA”
11 Current Total 11 0 0
iii WE Mr1
Rainwater harvesting- Roof
and Non-roof None
iv WE Mr2Water efficient plumbing
fixturesNone
1 1
1 1
7 WE C2Management of Irrigation
systems1 1 1
2 2
2 2
2 2
2 2
8 WE C3Rainwater harvesting- Roof
and Non-roof4
9 WE C4Water efficient plumbing
fixtures4
Water Efficiency
Mandatory
Mandatory
6 WE C1Landscape design
2
IGBC POINTS TALLY FOR “TATVA”
22 Current Total 22 0 0
v EE Mr1 CFC Free equipments None
vi EE Mr2
Minimum Energy
performance None
10 EE C1
Enhanced Energy
performance 10
1-10 (starting
from 3% to
30%)
10
2 2
2 2
2 2
2 2
2 2
13 EE C4
Energy saving measures in
appliances and other
equipments
2 2 2
12 EE C3Solar water heating system
4
Energy EfficiencyMandatory
Mandatory
11 EE C2
On-site renewable energy
6
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IGBC POINTS TALLY FOR “TATVA”
13 Current Total 13 0 0
vii MR Mr1Seperation of house-hold
wasteNone
14 MR C1
Organic waste management,
post occupancy 2 2 2
15 MR C2Handling of construction
waste materials1 1 1
1 1
1 1
1 1
1 1
1 1
1 1
2 2
2 2
18 MR C5Local Materials
2
19 MR C6 Rapidly renewable building
materials and certified wood4
16 MR C3Reuse of salvaged materials
2
17 MR C4Materials with recycled
content2
Materials and resources
Mandatory
IGBC POINTS TALLY FOR “TATVA” 15 Current Total 15 0 0
viii EQ Mr1Tobacco smoke control
None
ix EQ Mr2Minimum Daylighting
None
x EQ Mr3Fresh air ventilation
None
2 2
2 2
21 EQ C2
Enhanced Fresh air
ventilation 2 2 2
22 EQ C3Exhaust system
2 2 2
1 1
1 1
24 EQ C5Building flush-out
1 1 1
2 2
2 2
5 Current Total 5 0 0
1 1
1 1
1 1
1 1
27 ID C2 IGBC Accredited Professional 1 1 1
Innovation & Design process
26 ID C1
Innovation & design process
4
23 EQ C4Low VOC Materials- paints &
Adhesives 2
25 EQ C6Cross ventilation
4
Indoor Environment Quality
Mandatory
Mandatory
Mandatory
20 EQ C1Enhanced Daylighting
4
THANK YOU!
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