GSD1409 MLA I-AP JIAYU QIN
INCOMPLETE SCAPE JIAYU QIN MLA I-AP INSTRUCTIOR: PROFESSOR RAHUL MEHROTRA GSD 1409 EXTREME URBANISM 2011 APRIL 28TH
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SITE
1860
1860-1900
HUMAN FORCE/ENGINEERED LANDFILL
1900-1950
1950-1970
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slum 8M 7M 6M 5M
FLOODING AND SEA LEVEL RISE
PRECIPITATION & FLOODING
MEAN HIGH TIDE 4M
DISAPPEARANCE
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MANGROVE FLORA
landfill development + diminishing mangroves
SHRINKING OF MANGROVE BUFFER
of the WORLD about 65 SPECIES of INDIA approximately 59 SPECIES
landscape urbanism by berger and mehrotra
1670
1864
2011
the seven islands
landfill in progress
current condition
mahim
parel
worli
mazagaon
bombay old woman’s island colaba
total perimeter 102.4 km
mangrove 66%
1970
64.3 km
50%
71.0 km
7%
2011
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SITE AS AN INTERFACE/MICRO WATER SHED
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GSD1409 MLA I-AP JIAYU QIN PRECIPITATION
BEFORE URBANIZTION
LAND
SEA
PRECIPITATION
AFTER URBANIZTION
FLOODING
SEA
URBAN
DISFUNCTIONAL SEWAGE SYSTEM
PRECIPITATION
PROPOSED
FLOODING
SEA
URBAN NEW LANDFILL
HYDROLOGICAL PROBLEM
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SITE AS AN INTERFACE/UNTREATED SEWAGE
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SEA CURRENT VELOCITY
MANGROVE COMMUNITY
SITE AS AN INTERFACE/SEDIMENTATION & EROSION
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PLANED ENGINEERED RESTRICTED MIDDLE CLASS
SPONTANEOUS ADAPTIVE FRAGILE SLUM DWELLERS
FUNCTIONAL VS DISFUNCTIONAL
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OPEN SPACE IN MUMBAI
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WATER RETENTION PONDS SEWAGE TREATMENT WETLAND
pumping station
OPEN SPACES MANGROVE CULTIVATION FISH CATCHMENT REAL ESTATE DEVELOPMENT SLUM AMENITIES
micro watershed B
south slum micro watershed A
Colaba sewage treatment facility 42 MLD
area: 1,560,000 m2 annual precipitation: 3214mm rain water received : 5013 Million Liter/y
micro watershed B area: 1,237,500 m2 annual precipitation: 3214mm rain water received : 3997 Million Liter/y
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Slum water supply: 90 lpcd (world bank report) Sewage: 90X0.8= 70lpcd acceptable treatment ratio: 30lpcd(40%)-70lpcd Population in north fishing village 300x4=1200 people 1200x30=36000 1200x70=84000 North fishing village 8.4-9.5 acre (3.4~3.9h) 36000/25740x6=8.4 84000/53000x6=9.5
VOLUME OF THE EARTH WORK: 255,550 M3
VOLUME CALCULATION
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EXISTING CANOPY CORRIDOR & PROPOSED OPEN SPACE
existing canopy proposede connection
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NEW LANDFILL AREA: 12.5H WATER SURFACE: 6.25H
CONTOUR MODIFICATION
CUT & FILL BALANCE
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DRAINAGE DIRECTION
SEDIMENTATION GROWING DIRECTION
0 YEAR
0.5 YEAR
1 YEAR
MANGROVE COMMUNITY GROWING DIRECTION
MANGROVE COMMUNITY GROWING DIRECTION
1 YEAR
DRAINAGE DIRECTION
3 YEARS
LANDFILL DEVELOPING PROCESS
10 YEARS
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EXISTING
LANDFILL DEVELOPING PROCESS
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LAND MAKING & BERM
LANDFILL DEVELOPING PROCESS
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INTERTIDAL ZONE VEGETATING
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MANGROVE BUFFER FURTHER DEVELOPING
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PUBLIC AMENITY 2-3 FLOORS FSI 0.7
MODULE: 50M X 75M
OFFICE & RETAIL MIX USE 15-20 FLOORS FSI 4.4
MODULE: 50M X 50M
PERVIOUS SURFACE: 10%
EXISTING BUILDING FOOT PRINT
BUILDING PROTOTYPE
RESIDENTIAL & RESIDENTIAL MIXUSE 10-15 FLOORS FSI 3.5 MODULE: 50M X 38M
COURT YARD MIX USE 2-6 FLOORS FSI 1.7
MODULE: 33M X 38M
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PLAN
PUBLIC TRANSPORTATION
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NEW BLOCK
DEVELOPABLE DIRECTION
FOOT PATH
PUBLIC TRANSPRTATION
FINGER PARKS
RETENTION PONDS
MANGROVE BUFFER
SYSTEM DIAGRAM
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FINGER PARK SECTION
WATER EDGE SECTION
EDGE SECTIONS
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WETLAND PROPORTION: 35%
PLANTING STRATEGY
Juncus phragmity
low tide line
water lilies
high tide line
FLOW DIRECTION
PROGRAMS
foot path platform piers for fishermem
DEGREE OF TREATMENT
polishment
TOPOGRAPHY
fish catchment
+ _ +
_ _
sedimentation bio filtration
+
+ _
_
_
fish catchment
LANDSCAPE PROTYPE/SLUM SEWAGE TREATMENT WETLAND
_
+ _
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piers for fishermem HIGH TIDE LINE
sedimentation LOW TIDE LINE
foot path bio filtration platform
fish catchment
LANDSCAPE PROTYPE/SLUM SEWAGE TREATMENT WETLAND
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WETLAND PROPORTION: 30%
PLANTING STRATEGY Ficus religiosa Linn.
high tide line Juncus phragmity
green roof
Albizia julibrissin low tide line
FLOW DIRECTION
cricket field
PROGRAMS
foot path
new land drainage platform over flow
DEGREE OF TREATMENT
polishment
TOPOGRAPHY + _ +
_ _
+
sedimentation bio filtration _
LANDSCAPE PROTYPE/FINGER PARKS
_
+ _
_
+ _
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Ficus religiosa Linn.
HIGH TIDE LINE
cricket field
platform
LOW TIDE LINE
Juncus phragmity foot path
LANDSCAPE PROTYPE/FINGER PARKS
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WATER SURFACE PROPORTION: 90%-85%
PROGRAMS
platform
foot path
PLANTING STRATEGY
mangrove
TOPOGRAPHY
Trachycarpus fortunei
LANDSCAPE PROTYPE/RETENTION POND
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Trachycarpus fortunei
Black-headed Gull Nerium indicum Mill
mangrove
LANDSCAPE PROTYPE/RETENTION POND