Environmental Engineering DIPLOMA IN CIVIL ENGINEERING/ CIVIL D'SHIP 4TH SEM

Department of Technical Education

DIPLOMA IN CIVIL ENGINEERING/ CIVIL D’SHIP

Fourth Semester

Subject:  Environmental Engineering - II

 

 

 

 

 

 

 

 

 

Contact Hrs/Week: 4 Hrs.

 

Contact Hrs/Sem:64 Hrs.

 

 

TOPIC ANALYSIS

 

 

 

 

 

 

 

Chapter No:

Contents

No. of Hours

 

Weightage of marks

 

 

PART - A

 

 

 

1

Introduction to Sanitary Engineering

02

05

 

2

Quantity of Sewage

03

08

 

3

Characteristics and Analysis of sewage

05

12

 

4

Sewerage Systems

03

08

 

5

Surface and Storm Water Drainage

04

12

 

 

PART - B

 

 

 

6

Sewerage Appurtenances

05

15

 

7

Sewerage Treatment and Disposal

13

30

 

8

Solid Waste Disposal

04

10

 

 

PART - C

 

 

 

9

Sanitation In Buildings and Sanitary Fittings

04

10

 

10

Rural Water Supply and Sanitation

05

15

 

11

Air and Noise Pollution

08

20

 

12

Tests

03

--

 

13

Creativity and Innovation

05

--

 

Total

64

145

 

 

 

 

 

 

 

 

 

 

DETAILS OF CONTENTS

 

 

PART - A

 

1

Introduction to Sanitary Engineering

 

 

 

 

 

1.1

Definition of sullage, sewage, sewerage, sewer, refuge, garbage.

 

1.2

Aims and objectives of sewerage work, systems of refuge disposal and water carriage systems.

2

Quantity of Sewage

 

 

 

 

 

 

 

2.1

Domestic and industrial sewage, volume of domestic sewage, variability of flow, limiting velocities of sewer.

 

2.2

Simple problems on design of sewers.

3

Characteristics and Analysis of Sewage

 

 

 

 

 

 

3.1

Strength of Sewage, Sampling of Sewage to analyse for Physical, Chemical and Biological Parameters.

 

3.2

Analysis of Sewage - Significance of the following Tests for        i) Solids ii) Dissolved Oxygen iii) B.O.D iv) C.O.D v) pH value vi) Chlorides and vii) Residual chlorine.

 

4

Sewerage Systems

 

 

 

 

 

 

 

4.1

Types of Sewerage System and their Suitability - Separate, Combined and Partially Separate Systems.

 

4.2

Brief Description and Suitability of the following Types of Sewers - Stoneware, Cast Iron, Cement Concrete, AC Pipes, Pre-Cast Sewers and laying of sewers.

5

Surface and Storm Water Drainage

 

 

 

 

 

5.1

Determination of Storm Water Flow, Run-Off, Co-Efficient, Time of Concentration, Empirical Formulae for Run-Off.

 

5.2

Simple Problems on Design of Storm Water Sewers.

 

5.3

Surface Drains - Requirements, Shapes, Laying and Construction. (No Design)

 

 

                       PART - B

6

Sewerage Appurtenances

 

 

 

 

 

 

6.1

Brief description, Location, Function and Construction of           i) Manholes ii) Drop Manholes iii) Inlets iv) Catch Basins,          v) Traps vi) Flushing Tanks vii) Regulators.

 

 

 

 

7

Sewerage Treatment and Disposal

 

 

 

 

 

7.1

Preliminary Treatment - Brief Description and Functions of -       i) Screens ii) Skimming Tanks iii) Grit Chambers.

 

7.2

Brief Description and Function of the Sedimentation and Septic Tanks.

 

7.3

Secondary Treatment - Brief Description of 

 

 

i) Trickling Filters ii) Activated Sludge Process  iii) Sludge Digestion iv) Sludge Drying v) Sludge Disposal.

 

7.4

Sewage Disposal- Dilution, Disposal on Lands, Oxidation Ponds, Oxidation Ditches, Aerobic Lagoons, Anaerobic Lagoons, Biological Disc.

 

                     7.5

Recycle of wastewater.

8

Solid Waste Disposal

 

 

 

 

 

 

8.1

Segregation, Collection, Methods of Disposal - Uncontrolled Dumping, Sanitary Land Fill, Incineration, Composting-Vermiculture.

 

8.2

Reuse of Solid Waste.

 

                                   PART - C

 

 

 

9

Sanitation in Buildings and Sanitary Fittings

 

 

 

 

9.1

Importance and Requirement of Building Drainage, General Lay-out of Sanitary Fittings and House Drainage Arrangements, for Single and Multi-Storied Buildings as Per B.I.S Code of Practice.

 

9.2

Sanitary Fittings: Water Closets, Flushing Cisterns, Urinals, Inspection Chambers, Traps, Anti-syphonage. Inspection, Testing and Maintenance of sanitary fittings.

 

 

10

Rural Water Supply and Sanitation

 

 

 

 

 

10.1

Disinfection of Well Water.

 

10.2

Rural Sanitation and Sanitary Latrines, Brief Description of Operational Details of Bio-Gas Plants Using Cow Dung, Night Soil and Agricultural Waste.

11

Air and Noise Pollution

 

 

 

 

 

 

11.1

Air Pollution -Definition, Causes and Classification of Air Pollutants, Effects of Pollution on Human Beings, Animals and Plants.

 

11.2

Effects of Air Pollution – Acid rain, Global warming, Ozone depletion, Green house effect, Corrosion of Metals, Tarnishing of Paints.

 

11.3

Prevention and control of Air Pollution - List of Air Pollution Control Equipments and legislation.

 

11.4

Noise- Definition, Effects on Human Life And Control.

 

11.5

Legislations with respect to Air and Noise pollution

 

 

Department of Technical Education

DIPLOMA IN CIVIL ENGINEERING

Fourth Semester

Subject:  Environmental Engineering - II

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Contact Hrs/Week: 4 Hrs.

 

Contact Hrs/Sem:64 Hrs.

 

 

 

 

 

 

 

 

 

GENERAL EDUCATIONAL OBJECTIVES:

 

 

 

Up on the completion of the study of the subject, the student should be able to :

 

1

Know the importance of sanitation, various terms and systems of refuge and refuge disposal.

2

Compute the volume of sewage from different sources and understand the principles

 

of designing a sewage.

 

 

 

 

 

3

Analyse the sewage for physical, chemical and biological characteristics and different

 

tests conducted for analysis.

 

 

 

 

 

4

Know the types of sewerage systems and their suitability, types of sewers and stages involved

 

in laying of sewers.

 

 

 

 

 

5

Estimate the quantity of surface and storm water.

 

 

6

Understand location and function of various types of sewer appurtenances with brief

 

Constructional details.

 

 

 

 

 

7

Know the methods of primary, secondary and chemical treatments of sewage and its disposal.

8

Familiarise with the methods of solid waste disposal.

9

Know the sanitation single and multi-storied buildings including various sanitary

 

 

 

Fittings and their maintenance.

 

 

10

To be familiar with Rural water supply and sanitation.

 

 

11

Know the causes, types, effects and control of Air and Noise pollution.

 

 

 

 

 

 

 

 

 

 

 

SPECIFIC INSTRUCTIONAL OBJECTIVES:

 

 

 

1

Know the importance of sanitation , various terms and systems of refuge and

 

refuge disposal.

 

 

 

 

 

 

 

1.1

To know the various terms used in sanitation

 

1.2

Know the aims and objectives of sewerage work, system of

 

 

refuge disposal – water carriage system

2

Compute the volume of sewage from different sources and understand the

 

principles of designing a sewage.

 

 

 

 

 

2.1

Know the variability of flow under different conditions and limiting velocity of sewer.

 

2.2

Explain the principles of designs of sewers with simple problems

 

 

 

 

 

 

 

 

 

3

Analyse the sewage for physical, chemical and biological characteristics and

 

different tests conducted for analysis.

 

 

 

 

 

3.1

Define strength of sewage, methods of sampling of sewage.

 

 

3.2

State the significance of the following terms in sewage analysis and its limits.

 

 

(i) Solids     (ii) Dissolved oxygen   (iii) B.O.D.   (iv) C.O.D.   (v) pH value

 

 

(vi) Chlorides   (vii) Residual chlorine

 

 

 

 

 

 

 

 

 

 

 

 

 

4

Know the types of sewage systems , the choice of sewage and various stages

 

involved in laying of sewers.

 

 

 

 

 

4.1

Know the different types of sewerage systems and state the suitability of each

 

 

type of sewerage system for the given condition.

 

 

 

4.2

Explain the various types of sewers, stone ware, cast - iron, cement concrete

 

 

AC pipes, pre-cast sewers and cast in situ sewers and laying.

 

 

 

 

 

 

 

 

 

 

 

5

Estimate the Quantity of surface and storm water drainage.

 

 

 

5.1

Calculate the storm water flow using empirical formula for run- off.

 

 

5.2

Design the storm water sewers.

 

 

 

 

 

5.3

Explain different shapes of surface drains and their functions.

 

 

 

 

 

 

 

 

 

 

6

Understand location and function of various types of sewer appurtenances with

 

 brief  constructional details

 

 

 

 

 

6.1

Know the description, location function and construction of various types of sewer appurtenances

 

 

(i) Manholes  (ii) Drop manholes  (iii) Inlets  (iv) Catch basins

 

 

 

(v) Traps (vi) Flushing tanks (vii) Regulators.

 

 

 

 

 

 

 

 

 

7

Know the methods of primary and secondary treatments of sewage and its  disposal.

 

7.1

State the functions of (i) Screens  (ii) Skimming tanks  (iii) Grit chamber

 

7.2

Briefly describe the functions of sedimentation tanks and septic tank.

 

7.3

Describe the process of secondary treatment of sewerage

 

 

(i) Tricking fitters  (ii) Activated Sludge process (iii) Sludge digestion

 

 

(iv) Sludge drying  (vi) Sludge disposal.

 

7.4

Explain the sewage disposal by dilution, disposal on lands , oxidation ponds,

 

 

Oxidation ditches, aerobic lagoons, anaerobic lagoons, biological disc.

 

7.5

Recycle of Wastewater.

 

 

 

 

 

 

 

 

 

8

Familiarise with the methods of solid waste disposal.

 

 

 

8.1

Know the segregation, Collection of solid waste.

 

 

 

8.2

Know the methods of solid waste disposal - uncontrolled dumping ,

 

 

sanitary land fill, incineration, composting-vermiculture

 

 

 

 

 

 

 

 

 

 

9

Know the sanitation single and multi-storied buildings including various

 

sanitary  fittings and their maintenance.

 

 

 

 

9.1

State the importance and requirements of building drainage.

 

 

 

Describe the layout of sanitary fittings and house drainage arrangements for

 

 

building (Plan and section for Single and multi-storied)

 

 

 

 

9.2

Inspection, testing and maintenance of different sanitary fittings - water closets , flushing cisterns, urinals, inspection chambers, traps, anti-syphonage

 

 

 

 

 

 

 

 

 

10

Be familiar with Rural water supply and sanitation.

 

 

 

10.1

Know the disinfection of well water

 

 

 

 

10.2

Familiar with rural sanitation and sanitary latrines.

 

 

 

 

Describe briefly the operational details of bio- gas plants  using cow- dung,

 

 

night soil and agricultural wastes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

11

Know the causes , types and effects of Air and Noise pollution.

 

 

11.1

Define Air Pollution and  classification of air pollutants.

 

11.2

Describe the causes and effects of air pollution- Acid rain, Global warming, Ozone depletion, Green house effect, corrosion of metals , tarnishing of paints.

 

11.3

Know the prevention and control of air pollution-control equipment, settling chambers,

 

 

cyclone fitters, scrubbers, electrostatic precipitators. Legislation.

 

 

 

11.4

Know the noise pollution and effects on human life and control.

 

 

11.5

Know the legislation with respect to Air and Noise pollution

 

 

Text Books: 1. Environmental Engineering –2  By H S Vishwanath, Sapna Publications.

 

Reference Books:

 

                        1) Water Supply & Sanitary Engineering- by Rangwala

                        2) Sewerage and Sewage Treatment Vol-II - by S.K.Garg.

                        3) Water Supply & Sanitary Engineering- by Birde

                        4) Environmental Science and Engg.- Vol-I – by Aloka Debi.

                            (Universities Press)

                        5) Sanitary Engineering   Vol-II - by Gurucharan Singh

                        6) Sewerage and Sewage Treatment Vol-II.– by Fair & Geir

                        7) Text Book of Environmental studies – Erach Bharucha

                             (Universities Press)

                        8)Water Supply,Waste Disposal and Environmental Pollution 

                              Engineering-(khanna publication)a.k.chatterjee        

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