Sanitary Engineering (ENCE 305): Chapter 4 Sewer Appurtenances Notes 2025
Sewer Appurtenances Notes
SANITARY ENGINEERING (ENCE 305)
Chapter 4: Sewer Appurtenances
3 Hours 3 Marks

Sewer Appurtenances Notes

About this Chapter

This document contains the complete notes for Chapter 4: Sewer Appurtenances of Sanitary Engineering. Sewer appurtenances are essential structures and devices that help in the operation, maintenance, and efficient functioning of sewer systems.

In this chapter, students will learn about the necessity of these structures and the detailed working mechanisms of manholes (ordinary and drop), lamp holes, street inlets, catch basins, flushing devices, sand, grease and oil traps, inverted siphons, sewer outlets, ventilating shafts, and wastewater/storm water regulators.

Syllabus: Sewer Appurtenances

4. Sewer Appurtenances (3 hours)
3 hours
3 Marks

4.1 Necessity of sewer appurtenances.

4.2 Introduction, importance, use, construction, and working mechanism of sewer appurtenances: Manhole; Drop manhole; Lamp hole; Street inlets; Catch basin; Flushing devices; Sand, grease, and oil traps; Inverted siphon; Sewer outlet; Ventilating shaft; Wastewater / storm water regulators.


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Special thanks to Madan Gorathoki Sir for providing these valuable notes.

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