Geoscience Reference
In-Depth Information
To facilitate movement of deep-draught, sea-going ships and prepare a scheme
for improving the navigation channel, Calcutta Port Trust made certain studies.
These were examined by experts in the University of Hamburg, Germany who
recommended certain measures which, having been implemented, increased the
navigational depth of the approach channel by 0.2-2 m (averaging 1 m) at different
stretches. The scheme envisaged a number of river-regulatory measures, like con-
struction of northern and southern guide-walls, along its two tips, supported by one
at the southern tip of Nayachar island and capital dredging of the Jiggerkhali Flat
and the Balari bar. Only the northern guide-wall has since been completed, but no
significant improvement is noticed. Other elements of the scheme are now under
way. The total number of ships handled by the Calcutta Port, before and after the
Farakka Barrage is given in Table 10.18.
The volume of cargo, handled by Calcutta and Haldia docks from 1960 to 2000
is shown in the Table 10.19.
Table 10.18
Total number of ships handled by Calcutta port authority
No. of ships
handled at
Calcutta dock
No. of ships
handled at
Haldia dock
No. of ships
handled at
Calcutta dock
No. of ships
handled at
Haldia dock
Year
Year
1
2
3
1
2
3
1960-1961
1786
-
1992-1993
780
703
1964-1965
1807
-
1994-1995
782
781
1967-1968
1461
-
1995-1996
835
871
1970-1971
1070
-
1996-1997
901
1059
1974-1975
1039
-
1997-1998
1037
1365
1977-1978
963 (approx.)
30 (approx.) 1998-1999
1066
1347
1980-1981
846 (approx.)
300 (approx.) 1999-2000
983
1278
1985-1986
869
557
1988-1989
840
591
Table 10.19
Cargo traffic handled by Calcutta port authority (in million tons)
Cargo handled at
Calcutta dock
Cargo handled
at Haldia dock Year
Cargo handled at
Calcutta dock
Cargo handled
at Haldia dock
Year
1
2
3
1
2
3
1960-1961
9.50
-
1992-1993
5.16
13.18
1964-1965 11.06
-
1994-1995
5.80
14.73
1967-1968
8.99
-
1995-1996
6.12
15.39
1970-1971
6.01
-
1996-1997
6.02
17.10
1974-1975
7.53
-
1997-1998
7.95
20.21
1977-1978
7.00 (approx.)
0.55 (approx.)
1998-1999
9.16
20.22
1980-1981
7.50
1.80 (approx.)
1999-2000
10.31
20.69
1985-1986
4.16
7.97
1988-1989
4.34
9.69
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