GSD 1409 EXTREME URBANISM

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