Report On the Filtration of River Waters for the Supply of Cities As Practised
Report On the Filtration of River Waters for the Supply of Cities As Practised
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In our eReader you can find the full English version of the book. Read Report On the Filtration of River Waters for the Supply of Cities As Practised 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 Report On the Filtration of River Waters for the Supply of Cities As Practised
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Two new filter beds have just been added (August, 1868), one only of THE NEW RIVER WATER WORKS. 65 which is in use ; these are'marked No. 6 and No. 7 on the sketch. The walls of these last have been built vertical, and therefore the sand area corresponds with the water area.
They measure each 300 by 140, very nearly, or about one acre each.
The materials of the filters were stated to be as follows : Fine sand, originally 24 inches.
(This sand is allowed to be reduced to 12 inches before being r...enewed. ) Coarse sand 12 Pea shingle 12 Shingle, marble size, and gravel 12 60 inches.
When the filter bed is bare, there is seen a cast-iron semicircular drain 30-inch diameter, extending from the river bank to about one-fifth the length of the filter bed on its centre line. The lips of this half-pipe correspond with the surface of the sand of the filter.
When the filter bed, after being cleaned off, has to be refilled, the New River water (controlled by . A sluice in the brick semicircular well shown on the sketch) passes into this half-pipe, and flows over either side of it upon the sand, slowly covering it with unfiltered water.
What to read after Report On the Filtration of River Waters for the Supply of Cities As Practised?
You can find similar books in the "Read Also" column, or choose other free books by James Pugh Kirkwood to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Two new filter beds have just been added (August, 1868), one only of THE NEW RIVER WATER WORKS. 65 which is in use ; these are'marked No. 6 and No. 7 on the sketch. The walls of these last have been built vertical, and therefore the sand area corresponds with the water area.
They measure each 300 by 140, very nearly, or about one acre each.
The materials of the filters were stated to be as follows : Fine sand, originally 24 inches.
(This sand is allowed to be reduced to 12 inches before being r...enewed. ) Coarse sand 12 Pea shingle 12 Shingle, marble size, and gravel 12 60 inches.
When the filter bed is bare, there is seen a cast-iron semicircular drain 30-inch diameter, extending from the river bank to about one-fifth the length of the filter bed on its centre line. The lips of this half-pipe correspond with the surface of the sand of the filter.
When the filter bed, after being cleaned off, has to be refilled, the New River water (controlled by . A sluice in the brick semicircular well shown on the sketch) passes into this half-pipe, and flows over either side of it upon the sand, slowly covering it with unfiltered water.
What to read after Report On the Filtration of River Waters for the Supply of Cities As Practised?
You can find similar books in the "Read Also" column, or choose other free books by James Pugh Kirkwood to read onlineMoreLess
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