Transcription of CHAPTER 2: SEWER SYSTEMS 2.1 INTRODUCTION
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CHAPTER 2: SEWER SYSTEMS 2.1 INTRODUCTION
Part B: Operation and Maintenance CHAPTER 2: SEWER SYSTEMS . CHAPTER 2: SEWER SYSTEMS . INTRODUCTION . A sewerage system consists of the following: House Service Connections They connect the house to sewers in the road. Sewers These are pipes or conduits meant for carrying sewage and are laid along the roads and flow by gravity. Lift Stations When sewers are at a deeper depth, lift stations are used which help to move sewage from lower elevations below the ground to the required higher elevation. Pump Stations They transfer the sewage from one location to another. Sewage Treatment Plants They treat the sewage to meet the permitted discharge qualities. Safe disposal system of final effluent The sewers are the most important part of a sewerage system. They are laid below the ground and are difficult to repair.
of failures often gives a clue to the cause. A shear failure due to faulty foundation or movement of earth is a clean vertical break in the pipe or barrel. Excessive loading, either internally or externally, causes horizontal breaks. Breaks caused by internal pressure leads to cracks in …
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