While designing the inverted siphon the following points should be considered: (1) Construction of inverted siphon should be simple. (2) Changes of direction in inverted siphons should be easy and gradual. (3) For trouble free working self-cleansing velocities should be provided in the siphon. The velocity in siphon should not be generally less than 1 m/s. (4) To ensure self-cleansing [...]
In this article we will discuss about the classification, dimensions and component parts of a manhole. Classification and Dimensions of Manholes: Manholes are classified according to depth as: (i) Shallow manholes, (ii) Normal manholes, and (iii) Deep manholes. (i) Shallow Manholes: Shallow manholes are those which are about 0.75 to 0.90 m in depth. These manholes are of rectangular shape [...]
Sewer appurtenances are those structures and devices of a sewerage system which are constructed at suitable intervals along a sewer line to assist in the efficient operation and maintenance of the system. Following are the important sewer appurtenances: 1. Inlets 2. Catch Basins or Catch Pits 3. Clean-Outs 4. Manholes 5. Drop Manholes 6. Lamp-Holes 7. Flushing Devices 8. Grease [...]