This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1849 Excerpt: ...kind. Sir John Rennie also recommended the formation of reservoirs, with overfalls and weirs to receive the sand and mud brought down from the upper part of the country, and thus prevent its accumulation in the river. 65. Fig. 15 will give a general idea of an arrange Fig. 15. ment of drains, which will be suitable for ...
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1849 Excerpt: ...kind. Sir John Rennie also recommended the formation of reservoirs, with overfalls and weirs to receive the sand and mud brought down from the upper part of the country, and thus prevent its accumulation in the river. 65. Fig. 15 will give a general idea of an arrange Fig. 15. ment of drains, which will be suitable for a level district with high land behind it. In this Fig. A B is the river, and c D the high land, E F G represent a catch-water drain for receiving the waters from the high land. H u, a parallel main drain for the level, with another main drain i K. Between the main drains the level is intersected with minor drains, which have a fall either way towards the mains. The catch-water drain is adapted to discharge directly into the river, or by closed sluices at E G, and an open one at F, its contents may be directed into the main level drain at i, and made to assist the irrigation of the level in dry seasons. Sluices will be required at E, F, G, H, I, J, and K, by the regulation of which the water may be collected and disposed of in any manner required for the preservation and improvement of the district. 66. Figs. 16,17, and 18 represent sections of drains of Fig. 16. large size, adapted for works of the kind here referred to. Drains of these sections, formed with a fall of 18 in. per mile, will discharge as follows: Fig. 16,10-ft. drain, will discharge 1193'4 cubic feet per minute. Fig. 17, 15-ft. drain, 2880 cubic feet per minute; and Fig. 18, 18-ft. drain, will discharge 4642 cubic feet per minute. A good section for an embankment against the sea for Fig. 19. these works is shown in Fig. 19, in which A represents the embankment of earth; B, a solid wall or dyke of puddle; c, a facing wall of masonry; D, the high-water level of the sea or bay, a...
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Add this copy of Rudimentary Treatise on the Drainage of Districts and to cart. $56.29, good condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Newport Coast, CA, UNITED STATES, published 2016 by Palala Press.