File:Factory and industrial management (1891) (14586265700).jpg

Identifier: factoryindustria12newy (find matches)
Title: Factory and industrial management
Year: 1891 (1890s)
Authors:
Subjects: Engineering Factory management Industrial efficiency
Publisher: New York (etc.) McGraw-Hill (etc.)
Contributing Library: Engineering - University of Toronto
Digitizing Sponsor: University of Toronto

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closes this storage reservoir, the surplusbeing discharged by means of underground galleries into the river. The separation from the waters of the river is effected by means ofan elevated dike of sufficient thickness to resist the violence of thefloods, which sometimes attain a height of eight meters. It formsone side of the storage basin, and thus serves a double purpose, byholding the spring waters and making them rise to a determined andconvenient height, so that they may reach the city by gravity andsupply the highest building without the use of any motor. In a word,in the first and most important part of the construction of the aque-duct have been overcome the greatest difficulties of the ground, bylowering the foundations of the dam, the dike, and the retaining wallsof the hillsides, until the different streams of surface water are cut off,and all the water of the different springs is gathered in a single uncov-ered reservoir, protected from the overflowing of the river by means
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I09 no THE WATER-SUPPLY OF A TROPICAL CITY. of the dam, from the torrents of the brook by a special channel, andfrom the Jcln-is of the heav)- rains on the hillsides by means of effi-cient crowning ditches. The surface overflow is so arranged that the discharge channelterminates in the most convenient place possible in the direction ofthe rivers course, while it is impossible for the back waters from theriver to enter the reservoir, even in times of extraordinary floods. The cost of this part of the work was 5280,403. The second partof the work, no less admirable in its execution, is that which relates-to the designing of the aqueduct. The springs are situated on the left bank of the river and the sub-burbs of the city on the right, the country lying between them for thefirst 5,000 meters being broken by a succession of hills extendingfrom east to west, bordering the course of the Almendares river andgiving rise to innumerable small streams and swampy rivulets. Far beyond the hills co

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