remains a cornerstone text for understanding public health infrastructure. Whether accessed via a hardcover or a digital PDF, its strength lies in the clear presentation of water treatment and wastewater management principles. For any civil engineer tasked with designing the essential infrastructure of water systems, Rangwala’s work is not just a textbook, but a career-long reference manual.
7. Introduction to sanitation – systems of sewerage (separate, combined) 8. Quantity of sewage – dry weather flow, storm water flow 9. Sewer materials, joints, and appurtenances 10. Sewer appurtenances – manholes, inlets, flushing tanks 11. Sewage characteristics – BOD, COD, sampling 12. Sewage treatment – primary, secondary (trickling filters, activated sludge), tertiary 13. Disposal of sewage – land disposal, dilution, self-purification of rivers 14. Solid waste management – collection, disposal (landfill, composting) water supply and sanitary engineering s c rangwala pdf work