15WT52T: Wastewater Collection and Drainage System Water Tech 5th Sem Syllabus for Diploma DTE Karnataka C15 Scheme

Wastewater Collection and Drainage System detail DTE Kar Diploma syllabus for Water Technology And Health Science (WH), C15 scheme is extracted from DTE Karnataka official website and presented for diploma students. The course code (15WT52T), and for exam duration, Teaching Hr/week, Practical Hr/week, Total Marks, internal marks, theory marks, duration and credits do visit complete sem subjects post given below. The syllabus PDFs can be downloaded from official website.

For all other water tech 5th sem syllabus for diploma c15 scheme dte karnataka you can visit Water Tech 5th Sem Syllabus for Diploma C15 Scheme DTE Karnataka Subjects. The detail syllabus for wastewater collection and drainage system is as follows.

Pre-requisites:

Knowledge of water supply system

Course Objectives:

1. Understand the methods of collecting the wastewater from an area and safely disposing it.

Course Outcomes:

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UNIT I: INTRODUCTION 10 Hrs

Definitions – Sewage, Sullage, Refuse, Garbage, DWF,WWF, Run-off, Peak run-off rate; Define Wastewater – Sources & types; Factors affecting the DWF, Systems of Sanitation -Description, merits and Demerits, Types of Sewerage system – Description, merits and Demerits, Estimation of Peak run-off, use of Rational formula and Empirical formula for computing peak drainage discharge, Concepts of Design period, Estimation of sewage discharge (DWF & WWF) (Simple problems), variation in sewage flow, limiting velocities and its effects.

UNIT II: SEWERS AND DRAINS 10 Hrs

Necessity, Types of Sewers, Classification of Drains, Design factors for sewers and drains, Necessity of free board in sewers and drains, Hydraulic formulae for determining flow velocities in sewers and drains, Hydraulic characteristics of circular sewers (Running full and partially full) (Simple problems), Use of Nomo-grams for design of sewers, laying, joining and testing of sewers.

UNIT III: SEWER APPURTENANCES 10Hrs

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UNIT IV: SEWAGE PUMPING 06Hrs

Necessity, Types of Pumps – Centrifugal pumps, Reciprocating Pumps, Pneumatic ejectors.

Pumping station – Location and Component parts.

UNIT V: DISPOSAL OF SEWAGE EFFLUENTS 08Hrs

Disposal by Dilution – Condition favouring, Standards of dilution, Dilution in Rivers and Self Purification of Natural Streams, Zones of pollution in river stream, Indices of selfpurification, Concepts of O2 deficit, Disposal of Wastewater in Lakes and Seas,

Land Disposal of Sewage Effluents – Disposal of Sewage Effluents on Land for Irrigation, Standards for Wastewater Effluents to be discharged on Land, Effluent Irrigation and Sewage Farming, Methods of Applying Sewage Effluents to Farms, Sewage Sickness.

Comparison between dilution and land disposal method.

Methods adopted for Sewage disposal in rural communities- Septic tank and Soak pits -Construction and Working Principles, Privies of a conservancy System of Sanitation -Removable Receptacle privy, Bore-Hole Privy, Aqua Privy, Sulabh-Shauchalaya, Twin pit Latrines.

UNIT VI: COLLECTION OF SEWAGE FROM HOUSES AND BUILDINGS 10 Hrs

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Text Books:

• Water Supply and Sanitary Engineering — Rangwala
• Sanitary Engineering — S.K.Garg

Reference Books:

• A text book of Environmental Engineering — Peavy et. al.,
• Wastewater Engineering — Metcalf & Eddy
• Water & Wastewater Engineering — Mark J. Hammer

LIST OF SOFTWARE/LEARNING WEBSITES

• www.ocw.unesco-ihe.org
• www.accessengineeringlibrary.com
• www.moud.gov.in

Suggested List of Student Activities:

Note: The following activities or similar activities for assessing CIE (IA) for 5 marks (Any one)

1. Submit a report on comparison of variation in run-off during DWF & WWF
2. Conduct a survey and submit a report on various sewer materials available in the market
3. Prepare a presentation on types of sewer joints and its applicability
4. Conduct a survey and prepare a report on the prevailing type of the sewerage system in the town
5. Field visits to submit a report on the common sewer appurtenances found in the town
6. Submit the report on the specifications of the pumps used in sewage pumping
7. Visit a nearby farm fields and determine the pre-requisites for applying sewage for farming
8. Submit a report on working principle of an eco-toilet
9. Report on various plumbing fixtures used in houses and multi-storey buildings
10. Report on various sanitary fixtures used in house and multi-storey buildings

Course Delivery:

• The course will be delivered through lectures and Power point presentations/ Video
• Teachers can prepare or download Power point presentations on different topics of wastewater engineering application as alternative slides.

Note to IA verifier:

The following documents to be verified by CIE verifier at the end of semester

1. Blue books(20 marks)
2. Student suggested activities report for 5 marks and assessment
3. Student feedback on course regarding Effectiveness of Delivery of instructions & Assessment Methods.

Model Question Paper:

(CIE)

1. What are the advantages and disadvantages of water carriage system?
2. Define DWF, what are the factors affecting Dry weather flow (DWF)?
3. Explain any one force acting on sewers. OR Explain the importance of self cleansing velocity
4. Determine the size of a circular sewer for a discharge of 600lps running half-full. Assume i=0.0001 and n=0.015 OR Calculate the diameter and discharge of a circular sewer laid at a slope of 1:400 when it is running half full, and with a velocity of 1.9m/sec, n=0.012

Model Question Paper:

(SEE)
PART-A (Each questions carries 5 marks)

1. What are the necessary conditions favourable for adoption of separate system of sewage
2. Estimate sewage discharge during sewer designing
3. Illustrate the suitability of combined, separate and partially separate sewerage system.
4. What are the points that are to be kept in mind while designing sewers?
5. Explain the importance of self cleansing velocity
6. Define cleanouts, explain the function of the same
7. Draw a schematic representation of a sewage pumping station
8. List out the conditions favouring disposal by dilution
9. Define a flushing cisterns, mention its types

PART-B (Each questions carries 10 marks)

1. Differentiate between combined and separate sewerage system. 06
2. Write a brief note on importance of design period 04
1. Explain the importance of sewers in sewerage system 06
2. Explain briefly the importance of providing the free board in the design of sewers and

drains

1. Explain the hydraulic characteristics of circular sewers section running partially full06
2. Explain briefly water test or test for leak. 04
1. What are the points to be kept in mind for designing of the inverted siphons 06
2. List out the demerits of siphons 04
6. With a neat sketch explain the working and construction details of Drop manhole? 10
1. Briefly explain Propeller type of the reciprocating pump 06
2. What are advantages of pneumatic ejectors? 04
1. Explain in detail the natural forces of that effects self purification 08
2. Draw the DO sag curve 02
1. Explain the process of Eutrophication of Lakes 06
2. Differentiate between surface irrigation & sub-surface irrigation in sewage farming
1. List out the general procedure governing the design of a sanitary plumbing systems 06
2. What are the qualities of a good trap 04
11. Explain with a neat sketch the single stack system of plumbing 10

For detail syllabus of all other subjects of BE Water Tech, C15 scheme do visit Water Tech 5th Sem syllabus for C15 scheme.

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