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Water-Supply Engineering, the Designing and Constructing of Water-Supply Systems (Paperback) Loot Price: R476 Discovery Miles 4 760
Water-Supply Engineering, the Designing and Constructing of Water-Supply Systems (Paperback): Amory Prescott Folwell
Water-Supply Engineering, the Designing and Constructing of Water-Supply Systems (Paperback): Amory Prescott Folwell

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Water-Supply Engineering, the Designing and Constructing of Water-Supply Systems (Paperback)

Amory Prescott Folwell

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Loot Price R476 Discovery Miles 4 760

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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. 1917 Excerpt: ...water in passing from the pump to such point. Art. 57. Intakes If water is drawn from a reservoir or other deep and quiet body of water, the suction from the pumps can pass directly into this; or the water can be led by gravity through a pipe or open channel to a pump well. A pump well is always preferable to a long suction. If the supply is from a lake, the same may hold true; but in some cases it is desirable to run the suction pipe, or gravity intake pipe to the pump well, out to a channel or other point a considerable distance from shore to avoid local pollution or to reach deep water. Some intakes in the Great Lakes are carried 4 or 5 miles from shore. In the case of a lake which does not receive pollution from along its banks, the purer water is almost always near the outlet rather than the inlet, on the windward rather than the leeward side, and in the channel rather than in bays or other stagnant water. If sewage or other foul matter enters the lake, the intake should be located so that prevailing winds and currents travel from intake to sewer outlet rather than vice versa, and on the opposite side of the main current or channel from such outlet if possible. In the case of these, and in fact of any intake in deep water, it is desirable to provide at the end of the intake pipe a tower or crib with ports at different elevations so that water can be drawn from that depth which, at any given time, will be freest from impurities, silt, ice or other objectionable matters. In the case of large lakes or of deep or swift-flowing rivers, the intake tower may need to be of heavy masonry on solid foundation to resist storms, ice floes, floating logs, etc. Where water is drawn from a river, care should be taken to locate the intake at that point which will give ...

General

Imprint: Rarebooksclub.com
Country of origin: United Kingdom
Release date: 1900
First published: May 2012
Authors: Amory Prescott Folwell
Dimensions: 246 x 189 x 7mm (L x W x T)
Format: Paperback - Trade
Pages: 132
ISBN-13: 978-1-236-14453-9
Barcode: 9781236144539
Categories: Promotions
Books > Humanities > History
Books > Humanities > History > General
Books > History > General
Books > Sport & Leisure > Natural history, country life & pets
Books > Sport & Leisure > Natural history, country life & pets > General
LSN: 1-236-14453-8

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