Elements Of Environmental Engineering
About this eBook
vii ix xii
PART I WATER SUPPLY 1.
Introduction General Importance. Development of Public Water Supply Historical Review. Need for Protected Water Supplies. Water Supply and Sanitation Development in India. Objectives of Water Supply System. Role of Agencies. Questions.
Quantity of Water Estimating Requirements. Design. Period. Per Capita Consumption. Factors affecting Per Capita Consumption. Consumption for Various Uses. Fire Demand. Industrial Demand. Fluctuations in Rate of Consumption. Prediction of Population. Various Methods. Questions and Problems.
Sources of Water Supply Introduction. Classification. Rainfall and Runoff. Rainfall Measurement. Variations in Rainfall. Runoff Measurement. Use of Rainfall and Runoff Records. Emperical Formulae. Gauging. Miscellaneous, Mass diagrams. Rivers. Lakes. Impounding Reservoir. Definition. Design Factors. Location. Ground Water. Springs. Wells. Definition. Classification Wells according to Aquifer tapped. Wells according to the Condition of Flow. Wells according to the Type of Construction Dug Well. Sunk Well. Driven Well. Tube Wells. Percussion Drilling. Core Drilling. Rotary Drilling. Other Points in Well Construction. Developing of Wells. Yield Measurements of a Well. Gravity well. Artesian Well. Specific Yield. Numerical Example. Well Tests. Example. Well Interference. Infiltration wells. Infiltration Wells. Infiltration Galleries. Suitability of Sources with regard to Quantity and Quality. Choice of Source of Water Supply. Questions and Problems.