Public water supply system –Planning - Objectives - Sources of water and their characteristics - Design period - population forecasting -water demand – Charateristics of water - standards – water quality index.

Intake structures - pipe materials - hydraulics of flow in pipes - laying, jointing, testing of pipes - pumping stations - selection of pumps - methods of distributing water - storage and distribution reservoirs - Analysis of distribution system – Pipe Appurtenances.

Treatment of water- working principles, Purpose and design of all the unit process of water treatment – screening – plain sedimentation – coagulation sedimentation – filtration – Aeration - disinfection – water softening – Fluoridation and Defluoridation .

Sewage Characteristics -methods of collection - conservancy system, water carriage system - classification of sewerage systems Effluent discharge standards - Materials for pipe sewers - construction - laying ,jointing, dewatering and testing - sewer appurtenances - traps - plumbing system of drainage – one pipe system and two pipe system of plumbing - sanitary fittings.

Principles, functions design and drawing of screen, grit chambers and primary sedimentation tanks – Construction, operation and Maintenance aspects Activated Sludge Process and Trickling filter– Oxidation ditches, UASB –Waste Stabilization Ponds–facultative ponds-Lagoons