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A WET LAND AS PUBLIC SPACEPALLIKARANAI MARSH
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1. UNDERSTANDING MARSH
2. THREATS AND CHALLENGES
3. FOCUS AREAS
4. MANAGEMENT PLAN
PALLIKARANAI MARSH
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1. UNDERSTANDING MARSHLOCATION
EVOLUTION
LAND FORM
MARSH ECOSYSTEM
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LOCATION
VELACHERY
M R T S
PERUNGUDI
MADIPAKKAM
THURAIPAKKAMPALLIKARANAIKT link rd
vela
ch
ery
tamb
aram
rd
SHOLINGANALLUR
MEDAVAKKAM
Source - Google Earth
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EVOLUTION
2015
2008
2000
1991
500 ha
990 ha
1680 ha
2450 ha
Source - Satellite Picture Landsat (1991), Aster
(2000), Quickbird Picture (2006), GPS field survey
(2008) in Adaptive management plan for the con-
servation of Pallikaranai Marsh
Care Earthc
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LANDFORM
Open water
Marsh
Shallow wetland
Grassland
Source - Satellite Quickbird Picture (2006), GPS
field survey (2008) in Adaptive management plan
for the conservation of Pallikaranai Marsh
- City Connect & Care Earth
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355 Species
5 CRUSTACEANS
7 BUTTERFLIES
9 MOLLUSCANS
10 MAMMALS
9 AMPHIBIANS
21 REPTILES
49 FISHES
125 BIRDS
120 PLANTS
ECOSYSTEM
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2.THREATS AND CHALLENGESHYDROLOGY
FLOODING
DUMPYARD
ENCROACHMENTS
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HYDROLOGY
Directional flow of water
Critical Areas
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WATER HOLDING CAPACITY
2001 - 16 million m3
2008 - 10 million m3
2015 - 5 million m3
2008 - 2015 70% reduction
2001 - 2008 40% reduction
Source - Adaptive management plan for the con-
servation of Pallikaranai Marsh
- City Connect & Care EarthTheMadrasOfficeforArchitectsandDesigners
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Flooding levels
FLOODING
2008 - 1.8m
assume plinth .9m
2015 - 3.6 m
INTENSIVE FLOOD ZONES
Source - Satellite Quickbird Picture (2006), GPS
field survey (2008) in Adaptive management plan
for the conservation of Pallikaranai Marsh
- City Connect & Care Earth
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ENCROACHMENTS
PROPOSED MASTER PLAN 2026
Water
Google Image
Agricultural
Industrial
Primary residential
Mixed residential
Institutional
Commercial
Source - CMA
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THREATS
Environmental crictical zone
Sensitive zone
Dump
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3.FOCUS AREAS
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FOCUS AREAS
FOCUS AREA 1
DUMPYARDFOCUS AREA 3
LINK ROAD
FOCUS AREA 2
NATURE TRAIL
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FOCUS AREA 1
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FOCUS AREA 1 - DUMPYARD
CASE STUDYFRESH KILLS PROJECT - STATEN ISLAND
15 times bigger than Pallikaranai marsh areagenerates 1million $ through GAS generated from the dump
2000 2003
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FOCUS AREA 1 - DUMPYARD
CASE STUDYFRESH KILLS PROJECT - STATEN ISLAND proposed bird observation tower
gas head
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FOCUS AREA 1 - DUMP YARD
DESIGN GOAL
TO TRANSFORM THE DUMPYARD INTOA BEAUTIFUL PRODUCTIVE AND CULTURAL
DESTINATION
TO USE THE DUMPYARD AS A LARGEPEDESTRANISED PUBLIC SPACE
TO ALLOW FOR WATER TO FLOW THROUGHTHE LANDFILL
dredge trenches/canals acrossthe existing dumpyard
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FOCUS AREA 1 - DUMPYARD
section
line
section along proposed public space above dumpyard
Native grass
Deck / View point
Recreational
Garbage incinerator
Public place
Forest
Amphitheatre
Intrepretation centre
ners
TheM
Desig
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credits text
FOCUS AREA 1 - DUMPYARD
Dumpyard transformed to a landscape ofbridges and canal intersperced with publicspaces
A unique landscape in chennai
f
r
ct
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FOCUS AREA 2
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FOCUS AREA 2 - NATURE TRAIL
LOCATION PLAN
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credits text
FOCUS AREA 2 - NATURE TRAIL
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FOCUS AREA 3
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FOCUS AREA 3 - LINK ROAD
CASE STUDYTAMIAMI TRAIL PROJECT - FLORIDA
A restoration project will replace 8 KM of roadway(built in 1928)with a bridge which will effectively restore the old marsh byallowing water to flow under it.
BEFORE AFTER
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FOCUS AREA 3 - LINK ROAD
2.2 KM
DESIGN GOAL
TO ALLOW FREE FLOW OF WATERBETWEEN THE NORTH AND SOUTH OF LINK ROAD
TO USE THE OPPORTUNITY TO CREATE APEDESTRIAN PUBLIC SPACE
A SPACE FOR ALL TO ENJOY THE MARSHLANDSCAPE
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credits text
FOCUS AREA 3
Pedestrian Bridge - Public space - Bird watch
h
a
sO
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4.MANAGEMENT PLAN
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IMPLEMENTATION
Constitute an independent body,
Pallikaranai Marshland Development Trustto oversee, monitor the development and
maintenance of the marsh land
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IMPLEMENTATION
MONITORING COMMITTE
EXPERT GROUP
CONSULTANT
MASTER PLAN IMPLEMENTATION
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IMPLEMENTATION
LIST OF STUDIES CARRIED OUT BY CONSULTANT FORMASTERPLANNING
On ground demarcationHydro-ecological assessment
Sedimentation study
Assessment of Pollution (Air, Soil and Water)
Biodiversity assessment
Development of habitat zonation maps
Evolving mechanisms for sustainable disposal of solid waste
Streamlining sewage disposalEco-legislations
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START !
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A WET LAND AS PUBLIC SPACEPALLIKARANAI MARSH
PROPOSALS
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dredge trenches/canals across
the existing dumpyard
3To Allow Free Flow Of WaterBetween The North And South Of Link Road
To Use The Opportunity To Create APedestrian Public Space
A Space For All To Enjoy The MarshLandscape
2Nature trail to experience
1To transform the dumpyard intoa beautiful productive and cultural destination
To use the dumpyard as a largepedestranised public space
To allow for water to flow throughthe landfill
PROPOSALS
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