Semi-Annual Report of the Board of Water Commissioners to the Common Council of the City of Chicago 19th
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In our eReader you can find the full English version of the book. Read Semi-Annual Report of the Board of Water Commissioners to the Common Council of the City of Chicago 19th 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 Semi-Annual Report of the Board of Water Commissioners to the Common Council of the City of Chicago 19th
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Cregier's observations on the condition of the water in the lake show that it is seldom turbid more than three days at any time, very rarely as much as five.
Judging from these circumstances, it would seem that a subsiding reservoir that would hold a supply for five days, ought to be sufficient for two years to come, to give to the city clear water at all times, with perhaps rare exceptions. It is evident, however, that a large amount would filter through the sides of the reservoir, in case the... material should be porous, and the surface drawn down below that of the lake ; enough in five days probably, to supply the city one ; thus rendering it unnecessary to give the reservoir a caj^acity to hold over 40,000,000 at low water level. The longest storms are in the spring, a season in which the average daily consumption is rather less than more than that of the whole year.
Such a reservoir should be at least 12 feet deep, thoroughly pro- tected from the storms of the lake, and for the sake of both strength and economy, circular in form.
What to read after Semi-Annual Report of the Board of Water Commissioners to the Common Council of the City of Chicago 19th?
You can find similar books in the "Read Also" column, or choose other free books by Chicago (Ill.). Board of Water Commissioners to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Cregier's observations on the condition of the water in the lake show that it is seldom turbid more than three days at any time, very rarely as much as five.
Judging from these circumstances, it would seem that a subsiding reservoir that would hold a supply for five days, ought to be sufficient for two years to come, to give to the city clear water at all times, with perhaps rare exceptions. It is evident, however, that a large amount would filter through the sides of the reservoir, in case the... material should be porous, and the surface drawn down below that of the lake ; enough in five days probably, to supply the city one ; thus rendering it unnecessary to give the reservoir a caj^acity to hold over 40,000,000 at low water level. The longest storms are in the spring, a season in which the average daily consumption is rather less than more than that of the whole year.
Such a reservoir should be at least 12 feet deep, thoroughly pro- tected from the storms of the lake, and for the sake of both strength and economy, circular in form.
What to read after Semi-Annual Report of the Board of Water Commissioners to the Common Council of the City of Chicago 19th?
You can find similar books in the "Read Also" column, or choose other free books by Chicago (Ill.). Board of Water Commissioners to read onlineMoreLess
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