Rural Sanitation in the Tropics Being Notes And Observations in the Malay Arch
Rural Sanitation in the Tropics Being Notes And Observations in the Malay Arch
Sir Malcolm Watson
The book Rural Sanitation in the Tropics Being Notes And Observations in the Malay Arch was written by author Sir Malcolm Watson Here you can read free online of Rural Sanitation in the Tropics Being Notes And Observations in the Malay Arch book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Rural Sanitation in the Tropics Being Notes And Observations in the Malay Arch a good or bad book?
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It costs only 5 cents a foot against 20 cents, for a tile drain, and so is displacing the latter. The wire drain is a shallow, open drain, made by putting down a length of wire netting and filling it in with concrete. Where the "seepage" is slight, the drain is only 6 inches wide. From this it varies up to a channel 2 or 3 feet wide "keyed" into the sides. The tile drain as laid down in Panama would be useless in a ravine in the Federated Malay States, for the friable, sandy soil here would fin...d its way between the stones on the top of the pipe in the first shower, and block it. This actually happened in Kuala Lumpur. That it is possible to maintain a wire drain in steep ravines and hillsides in Panama, shows the difference between the soil there and that in the Federated Malay States. In Kuala Lumpur an open cement drain, except at quite a low grade, was found to be useless ; for the rate of soil erosion was so great, that after a few showers the open drain Fig. 38. — An open cement channel in the Federated Malay States, which had to be replaced by a subsoil pipe in the steeper portions of the ravine because of the soil erosion.
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