Enayam Port

Tamil Research Institute
RAPID TECHNO-ECONOMIC FEASIBILITY REPORT FOR DEVELOPMENT OF
COLACHEL PORT AT TAMILNADU
FINAL REPORT
No
Factor
Environmental / social component
Sub-factor
Design component
Brief description of impact
1
Coastal
geomorphology
Sediment transport, beach dynamics
Breakwater and land
reclamation area
Changes in erosion and accretion patterns along the coast.
2 Marine ecosystems
Marine water quality
Dredging
Increase in turbidity. Change in marine water quality due to aqueous discharges
(oily waste, sanitary waste) from dredgers, barges and workboats.
Marine ecology
Removal of benthic communities. Decrease in DO levels. Decrease in species
diversity and density in areas adjoining dredging site.
3 Hydrology
4
Vegetation /
terrestrial ecosystems
Water resources Water Supply Impact on existing water resources, especially ground water, shortage.
Drainage network
Vegetation in agricultural land
Vegetation/land cover
Road network
New road access,
transport of materials
New road access,
transport of materials
Inland port facilities. Land
acquisition
New road access,
material transport
Disturbance to natural drainage pattern due to road widening.
Loss of vegetation and agricultural areas due to new roads and widening of
existing roads.
Loss of agricultural land. Loss of natural vegetation.
Strain on existing infrastructure.
Land ownership Local community Property loss, displacement of people.
5
Fishermen and fishing
villages
Port location and
configuration
Impact on fishing due to construction works. Loss of fish landing sites. Decrease
of fisheries activities .Loss of livelihood
Socioeconomic
Fisheries
Tourism
Movement of fishing
boats
Fishermen’s livelihood
Effect on existing fishing
harbour
Port activity
Port location
Restriction on free movement of fishing boats to/ from fishing harbour.
Tranquillity in fishing harbour.
Impact on fishing due to vessel movement and restriction on free movement of
fishing boats.
Impact on tourism. Depreciation of tourism areas impacts on cultural heritage
and landscape.
Coastal planning Port location Impact on Coastal Zone Management Plan
Table 28 Impacts Description
CP1832-FR-AX-05-CP-Initial Environmental Examination-Ed4.docx AX05 - 91
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