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BUILDING SCIENCE
&
ENERGY CONSERVATION
SANGATH
An Architect’s Studio
Ahmadabad
-by B.V. Doshi
SUBMITEED BY -
RACHITA DALPATI
0809AR201073
VII SEM, 4th YEAR
INTRODUCTION-
ARCHITECT: B.V. DOSHI
LOCATION: THALTEJ ROAD,AHMADABAD
PERIOD OF CONSTRUCTION: 1979-1981
SITE AREA: 2346m2
TOTAL BUILT-UPAREA: 536m2
TOTAL COST: 0.6 MILLION
CLIMATE
HOT & DRY
CLIMATE
COORDINATES: 23.02°N, 72.58°E
AVERAGE SUMMER MAX: 41°C
AVERAGE SUMMER MINIMUM:
42°C
COLD NORTHELY WINDS ARE
RESPONSIBLE FOR A MILD CHILL
IN JANUARY.
AVERAGE ANNUAL RAINFALL:
800MM
HIGHEST TEMPERATURE
SITE PLANNING
MINIMISING SOLAR
RADIATION ON SOUTH &
WEST:
The structure is closely integrated with
the outdoor spaces.
Vegetation on site is almost left to grow
into wilderness.
The west and south façade is shaded with
tress.
MAXIMIZING WIND FLOW:
Wind from west and south-west is taken
in by juxtaposing the structures so as to
create a central open space for the wind to
flow unobstructed.
N
SITE PLAN
GROUND FLOOR
PLAN
FIRST FLOOR
PLAN
SECOND FLOOR
PLAN
ROOF PLAN
SECTION A-A
SECTION B-B
SOUTH ELEVATION
WEST ELEVATION
DESIGN FEATURES
SANDWHICHED
CONSTRUCTION OF VAULT
The vaulted roof is of locally-made clay fuses
over the concrete slab, which provides a non
conducting layer. The top finish of china
mosaic glazed tiles further adds to insulation.
Being white and glossy it reflects the sun.
The clay fuses entrap air known as
sandwich vault.
•3.5cm thick RCC
•8 cm ceramic fuses
•3.5 cm thick RCC
•6 cm thick waterproofing
•1 cm thick broken china mosaic finish
SUBTERRANEAN SPACES
The building is largely buried
under the ground to use earth
masses for natural insulation.
STORAGE WALLS
External walls of buildings are
nearly a meter deep but have been
hollowed out as alcoves to provide
a storage that becomes an
insulative wall with the efficiency
of space.
STACK EFFECT
Ventilating window at upper
volume to release the accumulated
hot air through pressure difference.
PASSIVE SOLAR DESIGN
Indirect/diffused light
To maximize daylight and to
diffuse the heat and glare, the light
is received in direct manner by
diffusing it.
Upper level large openings-
facing north.
Skylights are projected masses
from the roof.
Small cut outs on roof slab filled
with hollow glass blocks.
LANDSCAPING
Microclimate through vegetation
cover and lawns.
WATER CHANNELS
Rainwater and Overflow of
pumped water from the roof tank
are harnessed through roof
channels that run through a series
of cascading tanks and water
channels to finally culminate in a
pond from which it is recycled
back or used for irrigating
vegetation, also working as a
climate control factor.
In Sangath seats line the perimeter walls and the inviting
lawn, shaded by lush foliage from trees above, is dotted with
fountains and sculptures creating limitless places to be seen
or unseen, with a series of platforms encouraging people to
sit and chat or just relax and be still. His idea to house the
studio spaces partly below ground allowed for the creation
of an informal amphitheater with steps rising into the
building’s roof.
INFORMALAMPHITHEATER
EXTERNAL FINISHES
The concrete of slabs and walls
surfaces kept bare as final visual
finishes which saves on finishing
material. And provide a natural
look.
USE OF WASTE
MATERIAL
Paving material is a stone chip
waste while the roof surface is
glazed tiles waste laid down in
mosaic tiles.
ACHIEVEMENTS & PREFORMANCE
Less mechanical cooling & heating is
required.
Reduced green house gas emission.
Advantage of natural energy is taken.
Comfortable thermal conditions are
maintained.
A temperature difference of approx 8°C.
Time lag for heat transfer is nearly 6 hours.
30%-50% reduction in cooling energy.
Waste materials are used resulting in a low
cost building.
THANK YOU

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SANGATH - an architecture studio, Ahemedabad.pptx

  • 1. BUILDING SCIENCE & ENERGY CONSERVATION SANGATH An Architect’s Studio Ahmadabad -by B.V. Doshi SUBMITEED BY - RACHITA DALPATI 0809AR201073 VII SEM, 4th YEAR
  • 2. INTRODUCTION- ARCHITECT: B.V. DOSHI LOCATION: THALTEJ ROAD,AHMADABAD PERIOD OF CONSTRUCTION: 1979-1981 SITE AREA: 2346m2 TOTAL BUILT-UPAREA: 536m2 TOTAL COST: 0.6 MILLION
  • 3. CLIMATE HOT & DRY CLIMATE COORDINATES: 23.02°N, 72.58°E AVERAGE SUMMER MAX: 41°C AVERAGE SUMMER MINIMUM: 42°C COLD NORTHELY WINDS ARE RESPONSIBLE FOR A MILD CHILL IN JANUARY. AVERAGE ANNUAL RAINFALL: 800MM HIGHEST TEMPERATURE
  • 4. SITE PLANNING MINIMISING SOLAR RADIATION ON SOUTH & WEST: The structure is closely integrated with the outdoor spaces. Vegetation on site is almost left to grow into wilderness. The west and south façade is shaded with tress. MAXIMIZING WIND FLOW: Wind from west and south-west is taken in by juxtaposing the structures so as to create a central open space for the wind to flow unobstructed.
  • 10. DESIGN FEATURES SANDWHICHED CONSTRUCTION OF VAULT The vaulted roof is of locally-made clay fuses over the concrete slab, which provides a non conducting layer. The top finish of china mosaic glazed tiles further adds to insulation. Being white and glossy it reflects the sun. The clay fuses entrap air known as sandwich vault. •3.5cm thick RCC •8 cm ceramic fuses •3.5 cm thick RCC •6 cm thick waterproofing •1 cm thick broken china mosaic finish
  • 11. SUBTERRANEAN SPACES The building is largely buried under the ground to use earth masses for natural insulation. STORAGE WALLS External walls of buildings are nearly a meter deep but have been hollowed out as alcoves to provide a storage that becomes an insulative wall with the efficiency of space. STACK EFFECT Ventilating window at upper volume to release the accumulated hot air through pressure difference.
  • 12. PASSIVE SOLAR DESIGN Indirect/diffused light To maximize daylight and to diffuse the heat and glare, the light is received in direct manner by diffusing it. Upper level large openings- facing north. Skylights are projected masses from the roof. Small cut outs on roof slab filled with hollow glass blocks.
  • 13. LANDSCAPING Microclimate through vegetation cover and lawns. WATER CHANNELS Rainwater and Overflow of pumped water from the roof tank are harnessed through roof channels that run through a series of cascading tanks and water channels to finally culminate in a pond from which it is recycled back or used for irrigating vegetation, also working as a climate control factor.
  • 14. In Sangath seats line the perimeter walls and the inviting lawn, shaded by lush foliage from trees above, is dotted with fountains and sculptures creating limitless places to be seen or unseen, with a series of platforms encouraging people to sit and chat or just relax and be still. His idea to house the studio spaces partly below ground allowed for the creation of an informal amphitheater with steps rising into the building’s roof. INFORMALAMPHITHEATER
  • 15. EXTERNAL FINISHES The concrete of slabs and walls surfaces kept bare as final visual finishes which saves on finishing material. And provide a natural look. USE OF WASTE MATERIAL Paving material is a stone chip waste while the roof surface is glazed tiles waste laid down in mosaic tiles.
  • 16. ACHIEVEMENTS & PREFORMANCE Less mechanical cooling & heating is required. Reduced green house gas emission. Advantage of natural energy is taken. Comfortable thermal conditions are maintained. A temperature difference of approx 8°C. Time lag for heat transfer is nearly 6 hours. 30%-50% reduction in cooling energy. Waste materials are used resulting in a low cost building.