JNTUK R20 2-2 Environmental Engineering Material/Notes PDF Download


JNTUK R20 2-2 Environmental Engineering Material/Notes PDF Download

Students those who are studying JNTUK R20 Civil Branch, Can Download Unit wise R20 2-2 Environmental Engineering (EE) Material/Notes PDFs below.


JNTUK R20 2-2 Environmental Engineering Material/Notes PDF Download


  • 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


Introduction: Importance and Necessity of Protected Water Supply systems, Water borne diseases, Flow chart of public water supply system, Role of Environmental Engineer, Agency activities

Water Demand and Quantity Estimation: Estimation of water demand for a town or city, Per capita Demand and factors influencing it – Types of water demands and its variations- factors affecting water demand, Design Period, Factors affecting the Design period, Population Forecasting.

Sources of Water: Lakes, Rivers, Comparison of sources with reference to quality, quantity and other considerations- Ground water sources: springs, Wells and Infiltration galleries, Characteristics of water– Physical, Chemical and Biological characteristics and WHO guidelines for drinking water – IS 10500 2012 – Water quality standards for Agriculture, Industries and Construction.

Download UNIT-1 Material PDF


Treatment of Water: Treatment methods: Theory and Design of Sedimentation, Coagulation, Filtration.

Disinfection: Theory of disinfection-Chlorination and other Disinfection methods. Removal of color and odors- Removal of Iron and Manganese – Adsorption- Fluoridation and deflouridation–Reverse Osmosis- Solar stills- Freezing

Download UNIT-2 Material PDF | Reference-2


Collection and Conveyance of Water: Factors governing the selection of the intake structure, Conveyance of Water: Gravity and Pressure conduits, Types of Pipes, Pipe Materials, Pipe joints, Design aspects of pipe lines, Design of economical diameter of pumping main, HP of pump and monthly expenditure for an apartment and a village. Laying and testing of pipe lines- Capacity of storage reservoirs, Mass curve analysis.

Distribution of Water: Methods of Distribution system, Layouts of Distribution networks, Water main appurtenances – Sluice valves, Pressure relief valves, air valves, check valves, hydrants, and water meters–Ideal water supply system. Case studies.

Download UNIT-3 Material PDF | Reference-2


Sewerage: Estimation of sewage flow and storm water drainage – fluctuations – types of sewers – design of sewers. Sewer appurtenances – cleaning and ventilation of sewers. Sewage pumps.

House Plumbing: Systems of plumbing-sanitary fittings and other accessories– one pipe and two pipe systems – Design of drainage in Gated communities, Apartments and Hotels. Septic Tank – working Principles and Design

Download UNIT-4 Material PDF


Sewage characteristics –Characteristics of sewage – BOD equations. ThOD, COD and BOD.

Treatment of Sewage: Primary treatment. Secondary treatment: Activated Sludge Process, principles, designs, and operational problems. Oxidation ponds, Trickling Filters – classification – design, operation and maintenance problems. RBCs. Fluidized bed reactors –Anaerobic digestion of sludge, Sludge Drying Beds.

Ultimate Disposal of sewage: Methods of disposal – disposal into water bodies-Oxygen Sag CurveDisposal into sea, disposal on land, Crown corrosion, Sewage sickness. Effluent standards.

Download UNIT-5 Material PDF


  1. Environmental Engineering – Howard S. Peavy, Donald R. Rowe, Teorge George Tchobanoglus – Mc-Graw-Hill Book Company, New Delhi, 1985.
  2. Rural Municipal and Industrial water management, KVSG Murali Karishna, Environmental Protection Society, Kakinada, 2021.
  3. Industrial Water and Wastewater Management, K.V.S.G. Murali Krishna, Paramount Publications, Visakhapatnam, 2018.
  4. Elements of Environmental Engineering – K. N. Duggal, S. Chand & Company Ltd., New Delhi, 2012.


  1. Water Supply Engineering – P. N. Modi.
  2. Water Supply Engineering – B. C. Punmia
  3. Water Supply and Sanitary Engineering – G. S. Birdie and J. S. Birdie
  4. Environmental Engineering, D. Srinivasan, PHI Learning Private Limited, New Delhi, 2011.
  5. Environmental Engineering, Ruth F. Weiner and Robin Matthews – 4th Edition Elsevier,2003
  6. Environmental Engineering, D. Srinivasan, PHI Learning Private Limited, New Delhi, 2011.


  • Plan and design the water and distribution networks and sewerage systems
  • Identify the water source and select proper intake structure
  • Characterisation of water
  • Select the appropriate appurtenances in the water supply
  • Selection of suitable treatment flow for raw water treatments

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