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THE VICTORIA CHANNEL.

At this afternoon’s meeting; of the Harbor Board a statement was made by tho chairman as to the present depth of water in Viotoiia Channel. Mr Ross said ; Six months ago the harbor-master directed the attention of the Board to certain changes which had taken place in the harbor. The matter was referred to the Works Committee for consideration. The Committee reported to the Board in April last in the following terms: - “ Recommend that, as no injury is likely to occur from delay in doing anything for a month or two, the Board meantime confine itself to instructing its officers to carefully watch and record any changes that may be taking place, so that an intelligent estimate may be formed as to Nature's efforts under tho altered circumstances of artificial works, and unless something very urgent is required no further expenditure be engaged in until the result of the Board’s appeal to Parliament in the matter cf the claim lor land taken (or tbo railway station.”

This report was adopted. Knowing that the application to Parliament had been successful, and that a sum of 1,4,500 had been voted in settlement of the Board’s claim, I considered it to be one of my first duties, after you did me the honor of placing me in the chair once more, to take such steps as were necessary to enable me to place before the Board with the least possible delay such information as to the state of the harbor os will be useful to members when the consideration of the matter, which was temporarily deferred, should bo again resumed. With this view I requested the harbormaster and the the inspector to arrange to have soundings taken from end to end in the Victoria Channel at the earliest favorable opportunity. This opportunity occurred on the 14th inst. The day was calm and the surface of the water in the harbor unruffled. The harbor-master and myself left Port Chalirers in the s.s. Plucky, and proceeded to Kilgour Point, whence at distances varying from twenty to forty yards soundings were taken all the way up the Victoria Channel in the usual line to the steamers’ basin at Dunedin. The casts of the load were taken by experienced and reliable men, one stationed on each side of the steamer's deck, and were taken as near as possible simultaneously From pile 1, near Kilgour Poin*, to pile 0, we found there had been silting up. but not more than might bo expected, no dredging having been done for two years, the least depths indicated being at different points 13ft, 14ft, and 14jft. From pile 6 to pile 7 the least depth is shown to be the same as on December 14,1887-viz., IBift. Between piles 7 and 8 there has been silting up, the least depth being lift. Thence onward for about a mile and a-haif the least low water depth is from 15ft to 18ft at different points in the distance Approaching the lower black beacon we again found only 14ft; between the lower block beacon and the 22nd pile (counting now from Dunedin) there is 144 ft; thence to pile 10, nearly a mile and a-half, there is deep water all the way, ranging from left to 10ft at low water spring tides. From pile 10 to pile 7 there Is a long stretch of shallow water, 13]ftl4ft, and 14J(t being the prevaiiing'depth between 9 and 8 (adistance of about 32 chains). This portion of the channel, and the shoals near to the lower black beacon and near to Kilgour Point, ought to be immediately dealt with. From pile 7 to the corner of Rattray street wharf the least depth at low water spring tides is 14J't, except one knoll of very limited extent, where there is only 13ft. In the steamers’ basin there is even less water. The silt here, however, is soft mud, which offers little or no resistance to the onward progress c( steamers or sailing vessels which are towed by steamers, but renders their mooring alongside the wharves when they have to be hauled broadside on somewhat awkward and difficult. The Inspector, with a crew in a small boat, commenced a scries of soundings across channel. The plotting of these Mr Stephens has not been able to complete. A aufltclent number of them have, however, been plotted to show on the map that the shallow water extends in some places the full width of the channel. A comparative statement of the depth of water in the Victoria Channel as shown by soundings taken December 14, I 8 (mrci which date no dredging bos been done), and '■< the 14th inst., also details ol soundings la'-rn »>i each side of the s.s. Mucky, end a lithograph n an of the Upper Ha bor, on which Is shown the line cf ibo channel bottom as it existed at the dates before mentioned, together with a summary of the depths obtained by Inspector Stephens, are appended to this report. [Note —Anapproximate estimate of cost of dredging required to deepen the channel to 16lt at low water, bottom width to bo 70ft, will bo submitted to the Board. Rise and fall, 6ft 6in spring tides ; and 4it Oin at neap tide. Ail the depths given are at low water spring tides.) Comparative Statement of the depth of water in the \ .ctoria Channel, as shown by Soundings taken D ceraher 14, 1887, and October 14, 1889.

A third column, showing the depth at the shallowest parts ol the channel on May 29, 1880, has been added to the table of “ least depths.’’ From this it will be seen that the silting up at the places of least depth in four months and a-half amounts to from 2in to Sin. A.H.K.

Dunedin, October 29.

DetailsJok Soundings taken on each sii Plucky on the sai inglitie between PI distance, 32 chains.

Ido of the s s. 'lies’ I ?and "9;

From Pile No. 1, Ki'gour Point, to Greatest Depth. Least Depth. Dec. 1837. Oot. 14, 1889. D' !. 18 Oot. 14, 1889. May 29, 1889. Feet, i Feet. Feet. Feet. Feet. Pile No. 3 .. 19 19 16 13 13.2 „ 3 to 4 .. 19.6 18.6 17.6 14.6 „ 4 to 5 .. 19.6 19.0 18.6 17 „ 5 to 6 .. 19.0 19 18 6 14 „ 6 to 7 .. 19 18 6 16.6 16.6 (5 miles) „ 7 to 8 .. 21.6 19 16 14 „ 8 to 9 .. 20.6 19.6 17 17 „ 9 to 10 .. 21.6 20 17.6 IS „ 10 to 11 .. 19.6 19 6 17 15 „ 11 to triangle .. 19 18 6 15 6 15 (4 miles) Triangle to triangle No. 2 18.6 17 15.6 15.6 Triangle No. 2 to lower black beacon 20 20 15.6 14 LLB to pile 22 19.6 17.6 17 14.6 (3 miles) Pile No. 22 to 20 .. 20 19.6 17 16 „ 20 to 19 „ 21 21 19 18.6 „ 18 to 17 .. 21.6 21 10.6 19 „ 17 to 14 .. 23.6 21.6 17 17.6 „ 14 to UB1 25.6 24 17 17.6 (2 miles) UBB to pile 11 . 20 19.6 15 6 16 „ 11 to 10 .. 20 20 17.6 16.6 „ 10 to *9 .. 20 18 6 15 6 14 „ *9 to *8 ,. 19 17 15 14 „ *8 to *7 . 18 6 15 16 13.6 139 „ '7 to 6 . 17.6 10 17 15 . (1 mile) „ 6 to 5 . 17 16 15 14 6 „ 6 to 4 . 17 16 15 6 14.6 „ 4 to 3 .. 17 16 16.0 16 „ 3 to 2 .. 17 16.6 16.6 16 .. 2 to 1 . 17 16.6 16.6 15 1 to corner of Rat tray street wharf 1 17.6 1 16.6 13.6 13 1 13.3

Feet. Feet. Feet. Feet. From pile ‘7 to '8 15 16 *8 to *9 14.6 14 14 6 15 14.6 15 14 14 14 15 14 13 0 15 15 14 13.6 14.6 15 14 13.0 16.6 IS 14 13.6 14.6 15 0 14 13.8 15.8 17 13 6 13.6 14.6 15 6 13.6 13 6 15 15.6 14 13.6 15.6 15.6 136 14 15.6 14.6 14.6 14 15.6 15 6 13 6 14 14.0 15 13.6 14 14 15 14 14 15 16 16 14 14 15 14.6 16 14 6 14.6 14 16 14 14.6 14 14.6 14 14 6 14.6 14 14 14

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Bibliographic details

THE VICTORIA CHANNEL., Evening Star, Issue 8052, 31 October 1889

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1,381

THE VICTORIA CHANNEL. Evening Star, Issue 8052, 31 October 1889

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