Environmental Engineering -I
Paper Code:CE 503
Water demands: Types of demands for domestic, commercial, industrial, fire, public use and losses, per
capita demand, variations in demand, factors affecting demand. Design period. Forecasting population different methods and their suitability.
Sources of water: surface water: rivers, streams, lakes and impounded reservoirs, determination of quantity of water in the above sources. Under ground sources Springs, wells and infiltration galleries, measurement of yield of open wells., tube wells, artesian wells and infiltration galleries.
Quality of water: Pollution and contamination of water. Sources, classification and prevention of pollution. Water borne diseases. Impurities in water.Water analysis Physical chemical and biological tests, standards for potable water.
Collection and conveyance of water: Intakes-river, lake, reservoir and canal. Hydraulic design of pressure pipes. Hydrostatic tests on pipes.
Treatment of water: Aeration, Plain sedimentation, sedimentation with coagulation- coagulant feeding devices, optimum dosage of coagulant. Filters and their different types, disinfection, water softening. The functional design of treatment unit. Removal of iron, manganes, colour, odour and taste, Fluoridation,
desalination.
Distribution: Systems of distribution, layout of distribution system, Pressure in distribution system, Storage and distribution reservoirs. Capacity of reservoirs. Type of reservoirs. Detection and presentation of leakages.
References :
- Envirmental Engineering S.K. Garg -Khanna Pub
- Water Supply & Waste Water Disposal –G . M . Fair ,J . C . Geyer ,D . A . Okun . –Jhon Wiley & Sons .
- Water Supply Engineering Volume I by Kshirasagar.
- Manual of Water Supply & treatment - A Government of India Publication.
- Water Supply and Sanitary Engineering By G.S.Birdi
- Water supply engineering by Babbit and Doland
- Water supply sanitary engineering by G.S. Birdi
