CO129-423 - Governor Sir May - 1915 [7-8] — Page 597

Sec

58

Question.

PORTS AND HARBOURS OF THE BRITISH EMPIRE:

Auckland.

Dunedin (Otago).

(2) Shallowest is a narrow strip with 31 ft. & ius. (L.W.O.S.T.) in the Rangitoto Channel, olsewhere 40 ft. and ovor (L.W.0.8.T.).

The width of the channel at the entrance

is 700 ft and the depth 37 ft.

(L.W.0.S.T),

1. At bar or entrance, what | (1)

is :-

the minimum width? (2) the

minimum navigable depth,, L.W.O.S.T.?

(Nate-If between the en trance and the deep sea there are bars or shoals where a lesser depth occurs than the mini- mum indicated above, a list of such obstructions and of the depths over them (L.W.0.8.T.)

should be given.)

NEW ZEALAND.

59

593

Lyttelton.

The port has an entrance 1 mile wide with 42 ft. (L.W.O.S.T.) just inside, gradually shoaling to 30 ft. (L.W.Q.S.T.) opposite Gollan's Bay.

Wellington.

The width at the narrowest part of the entrance is over 3,600 ft. and the minimum depth is 48 ft. (L.W.O.S.T.).

2. In the approach channel

from bar or entrance to (2) Minimum 42 ft. (L.W.OS.T.).

berthing accommodation.

what is:-

(1) the minimum and

maximum width ?

(2) the minimum and

maximum depth, L.W.O.B.T.?

Į

3. What is--

the rise and fall of tides

(a) ordinary springs,

(b) ordinary neaps!

(2) the rise of ordinary neaps above L.W.0.8.T.?

From entrance to Port Chalmers:-

(1) Minimum width,

ft.

Maximum width, 1,200 ft.

(2) Minimum depth, 26 ft.

(L.W.U.S.T.), at oar small shoal at Deborah Bay. Maximum depth.

ft.

(L.W.O.S.T.).

From Port Chalmers to Dunedin there

is a dredged channel 160 ft. wide and 19 ft. deep (L.W.O.S.T.).

(1) (8) Ordinary springs, 10 ft. 6 ins.,(1) (a) Ordinary springs, 6 ft. 6 ins.

maximum 19 ft.

(b) Ordinary neaps, 5 ft. 4 ins.

(b) Ordinary neaps, 6 ft. 6 in.

(2)

€2

From Gollan's Bay a dredged channel with a width of ft. and with a depth of 28 ft. (L.W.O.S.T.) extends into an inner harbour formed by two break- waters anclosing an area of 105 acres.

(1)

(2) Minimum 38 ft. (L.W.O.S.T.) (in few patches

only); majority over 42 ft. (L.W.O.S.T.).

(1) (a) Ordinary springs, 6 ft. to 7 ft.

(1) (a) Ordinary springs, 5 ft. 0 ins.

(b) Ordinary neaps, 4 ft. to 5 ft.

(b) Ordinary neaps, S ft. 0 ins.

|(2)

(2)

4. What is the maximum

available depth of water

(a) at piers or wharves,

L.W.0.8.T.?

(b) in the case of enclosed docks, in the on- trance looks, if any, and at dock quaya, H.W.O.N.T.I

No enclosed docks.

No enclosed dooks.

Maximum available depth at quays Maximum available depth at quays:-

36 ft. (L.W.O.S.T.).

At Port Chalmers, 28 ft.

(L.W.O.S.T.).

At Dunedin, 24 ft. (L.W.O.S.T.).

No enclosed dooku.

No enclosed docks.

Maximum available depth at quays 32 ft. (L.W.0.8.T.), Maximum available depth at quays ft. (L,W,O.S.T.).

ot What are the respective lengths of piers, wharves, or (in the case of enclosed docks) 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 accommŮ- dation at the port !

At Port Chalmers,

ft,

At Dunedin,

ft.

At Port Chalmers, 5,030 ft.

At Dunedin, 5,670 ft.

The total berthage accommodation is:-

Jetties Nos. 2, 3, 5, 6, 7 with a now one completed in There was 790 ft. of barthage with a depth of 35 ft.

1914, which have lengths respectively of

ft., It.. ft.. have a depth of 32 ft. (L.W.0.8.T.).

ft., and

R..

ft...

and upwards (L.W.0.8.T.) in August 1913 in addi- tion to 1,710 ft. in hand. Total barthage (at end of 1914) 15,627 ft. excluding

suburban wharves.

The total wharf accommodation at the port amounts to

ft.