Public drainage channels function to reduce and produce excess water in an area so that the area can function optimally. Drainage has various types, to make it easier for you regarding drainage, here are the types.1. Natural drainage
Drainage that is formed naturally without any supporting structures in it. This channel is formed from the scouring of water from time to time to form a permanent waterway such as a river.2. Artificial drainage
Drainage built with a specific purpose. Special construction is needed, such as gutters, culverts using concrete, pipes and stones.3. Ground surface drainage
A water channel that is above the ground surface to drain the flow of rainfall that is above the surface of an area. Open Channel Flow is an analysis that is used to find out its value.4. Underground drainage
As the name suggests, this drainage is made underground for a specific reason. The most common reasons are artistic reasons. Drainage is installed underground so that the construction structure looks neater.5. Single purpose
This channel serves only to drain one type of water in the sewer. Such as a channel that only discharges the flow of rainwater or only discharges the flow of waste water.
In order for the wastewater in the drainage to be controlled, concrete drains and manhole covers are needed to cover the roads into the waterways.6. Multi-purpose
This channel is used to discharge several streams of water at once. Disposal can be direct so that the water is mixed together or alternately. For example, waterways are used to dispose of household waste as well as rainwater.7. Open
This drainage is used to channel rainwater over a large area. Another function is as a medium for draining water that is not harmful to the environment.8. Closed
This drainage is closed because it drains water that contains hazardous waste. If it is not closed it will endanger the health of the community and the surrounding environment. This drainage is also functioned as a channel in the city.
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