Domestic Sanitary Engineering And Plumbing Dealing With Domestic Water Supplies
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In our eReader you can find the full English version of the book. Read Domestic Sanitary Engineering And Plumbing Dealing With Domestic Water Supplies Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Domestic Sanitary Engineering And Plumbing Dealing With Domestic Water Supplies
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, as in Fig. 178. Where firm strata is to be penetrated the hole for the tubes requires to be bored. After the tubes have been driven to the required depth, Fig. 178, a cavity requires to be made in which water may accumulate, or pumping would be difficult if water were drawn directly from the surrounding earth. The cavity may be formed by allowing the column of water in the tubes which form the suction pipe to fall back a number of times by destroying the vacuum, and so loosen the sand which s...urrounds the perforated tube. To aid in removing sandy matter which enters the tube it is better to use a common galvanised iron pump, as grit has a destruc- tive effect upon the working parts of a pump. The vacuum in the suction pipe may be broken during the formation of a cavity by providing a short length of tube with a tee, and by temporarily joining it at P, Fig. 178. A pump may then be screwed into the upper opening of the tee, whilst a stop-cock may be fixed to the remaining connection. After the pump has been primed and a few strokes made, the water rises to the outlet, when, upon quickly opening the cock, air is admitted and the water falls to loosen the earth surrounding the perforated tube.
What to read after Domestic Sanitary Engineering And Plumbing Dealing With Domestic Water Supplies?
You can find similar books in the "Read Also" column, or choose other free books by F W Raynes to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
, as in Fig. 178. Where firm strata is to be penetrated the hole for the tubes requires to be bored. After the tubes have been driven to the required depth, Fig. 178, a cavity requires to be made in which water may accumulate, or pumping would be difficult if water were drawn directly from the surrounding earth. The cavity may be formed by allowing the column of water in the tubes which form the suction pipe to fall back a number of times by destroying the vacuum, and so loosen the sand which s...urrounds the perforated tube. To aid in removing sandy matter which enters the tube it is better to use a common galvanised iron pump, as grit has a destruc- tive effect upon the working parts of a pump. The vacuum in the suction pipe may be broken during the formation of a cavity by providing a short length of tube with a tee, and by temporarily joining it at P, Fig. 178. A pump may then be screwed into the upper opening of the tee, whilst a stop-cock may be fixed to the remaining connection. After the pump has been primed and a few strokes made, the water rises to the outlet, when, upon quickly opening the cock, air is admitted and the water falls to loosen the earth surrounding the perforated tube.
What to read after Domestic Sanitary Engineering And Plumbing Dealing With Domestic Water Supplies?
You can find similar books in the "Read Also" column, or choose other free books by F W Raynes to read onlineMoreLess
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