Sewerage: The Designing, Construction, and Maintenance of Sewerage SystemsJ. Wiley, 1901 - 459 páginas |
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Resultados 1-5 de 32
Página 13
... practically done from most cesspools . A comparison of cesspool with septic tank does not touch upon the objection to the former that its use scatters a large number of centres of soil - pollution throughout a closely populated area ...
... practically done from most cesspools . A comparison of cesspool with septic tank does not touch upon the objection to the former that its use scatters a large number of centres of soil - pollution throughout a closely populated area ...
Página 15
... practically the same putrescible matter , and in a state less easily rendered innocuous by either natural or artificial means . Where storm- water is admitted to the sewers the large quantities of horse- droppings which are washed in ...
... practically the same putrescible matter , and in a state less easily rendered innocuous by either natural or artificial means . Where storm- water is admitted to the sewers the large quantities of horse- droppings which are washed in ...
Página 27
... ' flow it must be shown so definitely as to be beyond question by those whose special studies have fitted them for intelligent judgment that the purifying agencies have practically eliminated the germs of the water DISPOSAL BY DILUTION .
... ' flow it must be shown so definitely as to be beyond question by those whose special studies have fitted them for intelligent judgment that the purifying agencies have practically eliminated the germs of the water DISPOSAL BY DILUTION .
Página 28
... practically eliminated the germs of the water - borne communicable diseases . Until such showing is clearly made the proposition that crude sewage ought not to be turned into running streams , ponds , lakes , or other bodies of water ...
... practically eliminated the germs of the water - borne communicable diseases . Until such showing is clearly made the proposition that crude sewage ought not to be turned into running streams , ponds , lakes , or other bodies of water ...
Página 35
... practically stationary , unless its character change - as from residential to business or manufacturing . The percentage of total growth of a town may be used , however , as a check upon the sum of the populations assumed for the ...
... practically stationary , unless its character change - as from residential to business or manufacturing . The percentage of total growth of a town may be used , however , as a check upon the sum of the populations assumed for the ...
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Términos y frases comunes
acre ammonia amount of sewage average back-filling bacteria bottom braces brick sewers brick-work capacity capita catch-basins cement centre chlorine cleaned combined sewers concrete connection construction contractor cost cubic feet danger deposits depth diameter dilution discharge drain driven effluent engineer excavation feet per second filter flowing full flush-tank flushing foot formula gallons given grade ground-water house-connections house-sewage house-sewers inches increase inlets invert inverted siphon iron joints laid least length less lime manhole masonry material maximum method minutes mortar necessary nitrates nitrogen obtained ordinarily organic matter outlet oxidation oxygen pipe sewers placed plank plumb-bob possible probably pump quantity quicksand rainfall removed run-off sand septic tank sewage flow sewer-pipe sewerage sheathing side siphon sludge soil stone storm storm-sewers storm-water stream street sub-drain sufficient surface tank templet tion trench usually velocity ventilation vertical vitrified clay pipe wetted perimeter
Pasajes populares
Página 225 - ... due notice thereof in writing, served personally upon or left 23 at the shop, office, or usual place of abode, or with the agent of the said 24 party of the second part, and the said party of the second part...
Página 224 - Boston, for or on account of any injuries or damages received or sustained by any party or parties, by or from the said Contractor, his servants or agents...