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Sterilisation of Water Mains and Emer
in Water Main Crossing Under
7 other sections not shown
applied BELL Mobile Bilston bitumen boiler borehole BRIDGE CHEMICAL carried cent CENTRIFUGAL PUMPS chemical Chloramine chlorine CHLORONOME CLENSOL Committee concrete construction cost damage diameter district drainage efficiency electric equipment filter filtration flow gathering ground Glenfield hydrant industry installation Interim dividend joint LEEDS length lime London Office Manchester materials ment metal method Metropolitan Water Board Nenagh Castle obtained OIL ENGINES operation Patent pipe pollution pressure pressure filters public utility undertakings pumping plant pumping station purposes quantity rainfall recording repair river scheme service reservoir sewage SIMMONDS socket sodium sodium hypochlorite softening solution STANTON steam steel sterilisation storage suitable sulphate surface tank Telephone tests tion trench tube valve venturi waste water engineer WATER MAINS WATER METERS water power water supply water undertakings Waterworks weir welded WIDNES Wolverhampton ZEOLITE