How to Install an In-Ground Drainage System in Singapore

Updated on Monday 10th July 2017

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An in-ground drainage system in Singapore will enable you to deal with water issues inside your house, as well as in your yard, providing a permanent solution to a wet yard. In this article, our plumbers in Singapore explain how they install an in-ground drainage system.

Steps taken to set up an in-ground drainage system in Singapore

In order to set up an in-ground drainage system in Singapore, the following steps are taken:

1.    Digging the trench: the project starts with digging a deep trench for the drain tile. Special attention is paid by our plumbers in Singapore to electrical, telephone or TV cables, as well as to the location of gas pipes;
2.    Digging an adjoining trench: another trench is dug deep enough to enable the downhill drainage from the dry well side. Crushed rock is also added at the bottom of the trench to enable the absorption of water;
3.    Setting up the dry well: the drainage ports are set apart in the edges of the dry well;
4.    Connecting the drain tube: The trench is sloped to allow the correct drainage. Then, the tube is covered with fabric, which filters out tiny particles of soil to avoid a possible sludge clogging of the tube. Our plumber in Singapore verifies the drainage tubing with a 4 ft level to ensure there is a minimum of 1/8 in of slope per foot of tubing. The gavel base is adjusted as necessary and the sock ends are overlapped after being connected. The downspouts to the drain line are connected and a cover is attached to one end of the tube.

Which types of pipes are used for an in-ground drainage system in Singapore?

There can be different pipes utilized by our plumber in Singapore for an in-ground drainage system, such as uPVC, vitrified clay, concrete, cast iron or asbestos.

The in-ground drainage system in Singapore always has a brown color and the above-ground drains are black or gray.

When utilizing plastic pipes (uPVC), their main advantage is that they are easy to handle by our Singapore plumbing professionals, having a lighter weight and being able to gain longer lengths, therefore necessitating fewer connectors.

At the same time, vitrified clay pipes can be bought with lengths of up to 2 m, being heavier and more stable than the plastic ones. 

If you need to set up an in-ground drainage system in Singapore, or for any plumbing services in Singapore, please get in touch with our local plumbers.


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