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Concrete would no doubt render the Praya Wall proof against all, from Government wharf to the Typhoon. But the estimated cost seems very great, and having regard to the length of the Praya, at the moderate sum of $827,000.
The Hong Kong people had without a Praya Wall, and to get one by blasting with gunpowder (which the Chinese remove by labour, which is cheap in China) would have been the most effective backing for the principal cost; but the Colonial Surveyor General estimates the cost of the system...
With regard to the third question, I should have thought that the advice of an eminent Engineer as to the cheapest and best course to bring rock by water to the Praya would be to decide that the work shall be commenced. There is a sum of opinion that the best course would be, in the first instance, to build a wall, and...