CO129-183 - Public Offices & Others - 1878 — Page 29

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&f kierres berdues such as it is t ́is pickosed to adopt in this case, that the oblique impact of Waves on the rubble Seaward slope, has the elled inducing a travel of the Emaller Stones in a direction opposite to the angle

Angle of maximum exposure and inasmuch as the heaviest Seas are from the North-east and East north-east- during ty khoons, it follows there would be a drift

along the back of the Brearwater, writel the sea stone had assumed it's normal angle of repose,

which right, in the absence of adequate trovision, result in the acposit & a dangerous reef in the Western

Stone

entrance to the Harbour. Zo obviate this the "cant should be formed as before described,

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so that

any rubble which might- travel along the sea scope might grow up on the western face of the haut instead of being lodged across the fairway of the Entrance; Moreover with the line

proposed Uwill be practicable to make the Western entrance either hider or narrower han shewn, showed experience prove after the partiac Completion of the Breakwater that

departure from Re Widt any indicated on the trace is desirable. For a similar oûsect it would be preferable to commence the Breakwater 50 beet further from the shore at its eastern end than shewn, so that the width of the Entrance might be requeated ason the completion of the main Arm as experience might deter...

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