Microsoft Word - AUTONOMOUS CIV SYLLABUS 2020-2021 R20 R3

CODE: CIV321 ENVIRONMENTAL ENGINEERING
Lectures : 3 Periods/week Sessional Marks : 30

University Exam : 3 hours University Exam marks : 70
Credits :3
Course Learning Objectives:
The course will address the following:
• Outline planning and the design of water supply systems for a community/town/city
• Provide knowledge of water quality requirement for domestic usage
• Impart understanding of importance of protection of water source quality and enlightens the efforts involved in
converting raw water into clean potable water.
• Selection of valves and fixture in water distribution systems
• Impart knowledge on design of water distribution network
Course Outcomes:
After successfully studying this course, students will:
 Understand the impact of humans on environment and environment on humans
 Be able to identify and value the effect of the pollutants on the environment: atmosphere, water and soil.
 Be able to plan strategies to control, reduce and monitor pollution.
 Be able to select the most appropriate technique for the treatment of water, wastewater solid waste and
contaminated air.
 Be conversant with basic environmental legislation.
UNIT I
Water: -
Introduction to Water Supply Engineering - Objectives of water supply systems; water borne diseases; Role of
Environmental Engineers.
Quantity of Water - Estimating requirements; Design period; Per capita consumption; Factors affecting per capita
consumption; Fire demand; Fluctuations in demand; Prediction of population.
Sources & Intake Works Classification of sources of water supply; Choice of source; River and reservoir intakes.
Distribution System
General requirements; Classification; Methods of supply; Layouts of distribution networks. Pipe Appurtenances -
Sluice valves; Check valve; Air valve; Drain valve; Hydrants; Meter.
UNIT II
Quality of Water
Impurities in water; BIS Standards for drinking water. Methods of purification of water; Sequence of treatment
units.
Plain Sedimentation and Coagulation - Theory of sedimentation; Sedimentation tanks; Coagulation; Chemicals
used for coagulation.
Filtration of Water - Theory of filtration; Slow sand and rapid sand filters; Troubles in rapid sand filters; Pressure
filters.
Disinfection Of Water - Different methods of disinfection; Chlorination; Types of chlorination.
Miscellaneous Treatment Methods - Water softening: Methods of removing temporary and permanent hardness;
Removal of colour, odour and taste from water; Defluoridation.
UNIT III
Sanitary Engineering :-
Sanitation; Sewerage systems, Sanitary Sewage: Factors affecting sanitary sewage; Determination of quantity of
sanitary sewage; Storm Water Sewage: Factors affecting storm water sewage; Determination of quantity of storm
water sewage.
Sewers, Sewer Appurtenances and Sewage Pumping
Types of sewers; Testing; Sewer appurtenances – Man holes, Drop man holes, Inverted siphons; Street inlets;
Catch basins; Storm water regulators; Sewage pumping; Types of pumps.
Quality and Characteristics of Sewage
Characteristics of sewage; BOD; COD; Physical and chemical analysis of sewage.
DEPARTMENT OF CIVIL ENGINEERING CIET

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UNIT IV
Primary Treatment of Sewage - Screens; Grit chamber; Grease traps; Skimming tanks; Sedimentation tanks,
Septic tank, soak pits, leaching Cesspools.
Secondary Treatment of Sewage - Trickling filters: Principles of action; Operational problems and remedies;
Activated sludge process; Methods of aeration: Diffused air system; Mechanical aeration; Combined system;
Activated sludge process vs Trickling filter process; Sludge bulking; Sludge volume index, Secondary Settling
Tanks, Oxidation Ponds.
Sewage Disposal - Objectives; Methods; Disposal by dilution; Disposal by irrigation; Sewage sickness.
UNIT V
Air Pollution
Sources and Classification of Air Pollution - Stationary and mobile sources; Primary and secondary pollutants;
Natural contaminants; Particulate matter; Aerosols; Gaseous pollutants. Global Effects: Global warming; Ozone
depletion; Acid rains, Control of Air Pollution: Settling chamber; Inertial separators; Cyclones; Filters;
Electrostatic Precipitators; Scrubbers.
Noise Pollution
Introduction; Levels of noise; Measurement of sound; Sources of noise and their noise levels; Acceptable noise
levels; Effects of noise.
Urban Solid Waste Management
Sources; Classification; Treatment methods such as compositing, incineration, sanitary landfill and pyrolysis.
TEXT BOOKS:
1. Environmental Engineering Vol. I - Water supply engineering by S. K. Garg; Khanna Publishers, Delhi.
2. Air Pollution by M.N. Rao and H.V.N. Rao; Tata Mc Graw – Hill Publishing Co. Ltd., New Delhi.
3. Environmental Engineering vol. II – Sewage disposal and air pollution engineering by S. K. Garg; Khanna
Publishers, Delhi.
REFERENCE BOOKS:
1. Introduction to Environmental Engineering and Science by Gilbert Masters, 3rd Edition, Prentice Hall,
New Jersey.
2. Introduction to Environmental Engineering by P. Aarne Vesilind, Susan M. Morgan, Thompson
/Brooks/Cole; 2nd Edition 2008.
3. Peavy, H.s, Rowe, D.R, Tchobanoglous, G. Environmental Engineering, 1st Edition, Mc-Graw -Hill
International Editions, New York 1985.
DEPARTMENT OF CIVIL ENGINEERING CIET

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CODE: CIV321 ENVIRONMENTAL ENGINEERING

Lectures : 3 Periods/week Sessional Marks : 30

 Be able to plan strategies to control, reduce and monitor pollution.

DEPARTMENT OF CIVIL ENGINEERING CIET

DEPARTMENT OF CIVIL ENGINEERING CIET

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