t
The
88
PORTS AND HARBOURS OF THE BEITISH EMPIRE:
WEST INDIES AND PACIFIC.
89
608
Question.
1. At bar or entrance, what|
L-
the minimum width ? (8) the
minimum
navigable depth. L.W.O.S.T.7
(Not-If between the on-
trance and the deep sex, there are bars or shoals, where a lesser depth
Boer than the mini- mum indicated above, a list of such obstructions and of the depths over thom (L.W.0.8.T)
should be given.)
2. In the approach channel
from bar or entrance to berthing accommodation, what is :-
the minimum and
maximum width ? (2) the minimum and maximum depth. L.W.O.S.T.?
Castries (St. Lucia).
Kingston (Jamaica).
Width Depth -
42 ft.
(L.W.0.8.T.)
Least width in the Narrows 600 ft. Depth from 36 to 42 ft. (L.W.0.8.T.)
Port-of-Spain (Trinidad).
Raratonga.
The harbour of Port-of-Spain is all | Width, about 100 yds.
that portion of the Gulf of Paris Depth, about 60 ft. (L.W.0.8.T.). contained within a radius of 21
miles from the Custom House. The gulf is an open one. At limita the depth is about 30 ft. (L.W.0.8.T).
Except two coasting steamers and small craft, all vessels anchor in the stream. There is a channel leading to pier on St. Vincent Wharf. 4,350 ft. long, 250 ft. wide and with a depth of 15 ft. (L.W.O.S.T.).
This depth is also maintained at the
pier.
Width at anchorage, about 150 yds. Depth at anchorage, about 24 ft.
(L.W.O.S.T.)
Suva (Fiji).
Width, Depth not lese than
(L.W.O.S.T.}
180 ft.
Width, 600 ft. in passage half mile
up to 2 miles towards wherves. Depth, 36 ft, to 240 ft. (L.W.O.S.T).
3. What is-
the rise and fall of tides
(a) ordinary springs,
(b) ordinary neaps?
(2) the rise of ordinary nespa above L.W.0.8.T.)
(1) (a) Ordinary springs 18 ins
(8) Ordinary nesps. 6 ina.
(2)
(1) (a) Ordinary springs, 4 ft.
Ordinary nempe, 2 ft., 6 ina,
(2)
(2)
|(1) (a) Ordinary springs, 3 ft. 9 ins. | (1) (a) Ordinary springs, 4 ft. 6 ing. to
(b) Ordinary neaps, 2 ft. 6 ins.
5 ft. 9 ins.
(b) Ordinary neaps, 3 ft. 3 ins. to
4 ft.
(2)
1. What is the maximum available depth of water
(a) at piers or wharves,
L.W.O.S.T.?
(b) in the case of enclosed docks, in the en- trance looks, if any, and at dock quays, HW.O.N.T.?
No enclosed dooks, Maximum available depth at quays:- 27 ft. (L.W.0.8.T.) at Northern
Wharf.
No enclosed dooks.
Maximum available depth at quays—
36 ft. (L.W.O.S.T.)
No enclosed docks.
No enclosed docks. Maximum available
at MaximumA depth
available depth at quays-15. (L.W.O.Š.T.), at quays12 ft. (L.W.0.8.T.). St. Vincent Jatty,
Ships larger than 200 tons anchor outside the reef in 60 to 120 ft. (L.W.O.S.T.).
No enclosed docks. Maximum available depth at quays:- 27 ft. (L.W.0.8.T.) at existing pier.
6. What are the respective lengths of piers, wharves, or (in the case of enclosed. docka) dock quays, where the maximum depth of water, referred to in Question 4, exists?
What percentage does the total of these lengths bear to the total accommo dation at the port 1
This depth of 27 feet (L.W.O.S.T.) is available slong the whole length
of the Northern Wharf which is 640 ft.
Total length of wharves at Port,
1,290 ft.
This depth is at the outer end of Pier
No.
-
ft.
The depth alongside the piers (whether owned by the Government or in private handa) is not more than (L.W.O.S.T.), but there is accom- modation of 6 sq. miles in the harbour for vessels of 40 ft. draught.
Length of St. Vincent Jetty, 390 ft. Total length of jetty and wharves,
1,770 ft.
See answer to previous question, There are only two small wharves,
Length of existing pier, 295 ft. Total length of existing wharves,
750 ft