Sewerage: The Designing, Construction, and Maintenance of Sewerage SystemsJ. Wiley, 1901 - 459 páginas |
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Página 20
... caused . ( See Appendix II . ) In a few States sewerage systems must be so designed , before meeting the approval of the State Boards of Health ( which is by law made a necessary prerequisite to construction ) , as to permit and provide ...
... caused . ( See Appendix II . ) In a few States sewerage systems must be so designed , before meeting the approval of the State Boards of Health ( which is by law made a necessary prerequisite to construction ) , as to permit and provide ...
Página 23
... caused twenty - six cases of typhoid fever in 1897. These were exposed , however , to contact for hours at a time , at low tide , with sewage but little diluted . In view of this and of similar cases both in this country and abroad it ...
... caused twenty - six cases of typhoid fever in 1897. These were exposed , however , to contact for hours at a time , at low tide , with sewage but little diluted . In view of this and of similar cases both in this country and abroad it ...
Página 24
... cause the floating bubbles seen on the surface of foul water . Most waters contain considerable free oxygen , and if the amount of this in any given body of water is sufficient to oxidize all the sewage reaching it , the organic matter ...
... cause the floating bubbles seen on the surface of foul water . Most waters contain considerable free oxygen , and if the amount of this in any given body of water is sufficient to oxidize all the sewage reaching it , the organic matter ...
Página 42
... caused by the water company flushing dead - ends outside of the limits of the sewers gauged . On the 12th the large flow in the west - side sewer was probably caused by a part of this flushing - water reaching it . The maximum dry ...
... caused by the water company flushing dead - ends outside of the limits of the sewers gauged . On the 12th the large flow in the west - side sewer was probably caused by a part of this flushing - water reaching it . The maximum dry ...
Página 51
... caused serious damage by their too small capacity ; several where even a capacity of two cubic feet per second was insufficient . ( One inch of rainfall per hour equals one cubic foot per second per acre almost exactly . ) Not many ...
... caused serious damage by their too small capacity ; several where even a capacity of two cubic feet per second was insufficient . ( One inch of rainfall per hour equals one cubic foot per second per acre almost exactly . ) Not many ...
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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...