Sewerage: The Designing, Construction, and Maintenance of Sewerage Systems

acres 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 gravel 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 oxygen pipe sewers placed plank Plate plumb-bob prevent probably pump purification 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 templet tion trench usually velocity ventilation vertical vitrified clay pipe wetted perimeter