TECHNICAL PROCESS OF CONSTRUCTING UNDERGROUND WATER TANK FOR RESIDENTIAL PROJECTS
The technical method of building underground water tanks is implemented in many civil housing projects, architectural and construction works. Especially for areas in big cities, where there is a serious shortage of land area, or where the construction land space is small. So, what is the technical process of building underground water tanks? Follow Hung Nghiep Phu to follow the article below!
1. Current status of underground water tank construction
In the past, in traditional houses, there were wells, rainwater tanks, etc. to serve the daily living needs of people. And then, they became inseparable symbols in level 4 houses and three-room houses. However, for urban houses and urban villas with small construction land areas, the commonly applied technical solution today is to build underground water tanks.
2. About underground water tank structure
About the location of underground water tanks: Underground water tanks are usually built underground, can be built inside the building or outside the building (if there is vacant land for construction).
Requirements when designing underground water tanks: Underground water tanks need to be placed at the same depth or shallower than the foundation bottom (Do not make them deeper than the foundation bottom because it will weaken the foundation and easily crack due to the pressure of the foundation). The bottom of the underground water tank is made separately and separate from the foundation bottom (Do not make them deeper than the foundation bottom because it will weaken the foundation and easily crack due to the pressure of the foundation).
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3. Basic underground water tank construction techniques
To understand the technique of building underground water tanks, you also need to understand the structure of the tank:
The top requirement for the structure of the underground water tank is the ability to be waterproof; and how not to affect the foundation. In particular, in the technique of building underground water tanks; people can divide into many compartments to reduce the pressure of water on the tank wall.
4. Notes on underground water tank construction techniques that homeowners need to pay attention to
Some basic technical requirements when constructing and constructing underground water tanks need to be noted so that you can monitor and supervise, including:
Applying the correct techniques for constructing underground water tanks; the factor that needs to be ensured is that the water tank after completion does not leak because it will directly affect the quality of the water used; thereby causing serious health problems; will directly affect health problems; as well as the daily living activities of families. At the same time, when constructing underground water tanks; it is also necessary to pay attention to the leakage factor caused by underground organisms; or toxic chemicals that can easily penetrate if the water tank leaks.
Therefore, when designing and constructing underground water tanks; engineers recommend that people use solid bricks; should not use hollow bricks because that can harm the ability of the water tank to leak. Bricks before construction also need to be soaked in water thoroughly to avoid water absorption of mortar, which will cause holes. When constructing, you should build and plaster with cement mortar. Mix black sand and yellow sand to ensure durability. After plastering the underground water tank; let it dry for 1 day and then paint with pure cement.
To check the leakage of the underground water tank before storing water; you need to deodorize the cement before using; because it can cause unpleasant odors, affecting the quality of the water.
In fact, many families have no choice but to place 2 tanks close together including the water tank; and the septic tank because the house's installation area does not allow. This can still be applied and implemented; especially in townhouses and villas.
However, in unfortunate cases; You should place the underground water tank away from the septic tank area because if the septic tank leaks; it will affect the quality of the underground water tank.
To overcome this disadvantage; it is necessary to arrange two tanks in two different foundation compartments, placed far from the septic tank.
The technique of building underground water tanks also needs to pay attention to the volume and size of the underground water tank. Designing an underground water tank with an average water tank volume for a family of 3-5 members is from 2-3m3. For families with more members; or a larger water demand, you can build underground water tanks with larger tank volumes to ensure the design requirements as well as the use of the whole family.
Usually, to ensure sustainability as well as ease of construction; PVC pipes are preferred for use as drainage pipes for underground water tank systems. The advantages of this type of pipe are that it is light, durable, watertight and at the same time very easy to construct. However, when choosing to buy plastic pipes; homeowners must also be smart when choosing because there are many poor quality products mixed in the market today.
Underground water tank construction techniques - construction of water supply and drainage systems also need to pay attention to minimizing the causes of damage to water pipes. In particular, if during the construction process; if the water pipe passes through the foundation wall, it is necessary to pay attention to the waiting hole about 15-20cm wide; to avoid the situation of not having a hole for the water pipe to pass through later. In particular, when constructing, do not build bricks directly on the pipe because it will break the pipe. At the same time, it is also necessary to pay attention not to run the drainage pipe over the water supply pipe; but should run 2 water pipes parallel to each other. In case 2 water pipes must intersect, in these positions, they should be lined with fine yellow sand.
When installing water pipes; homeowners need to arrange them about 10-15 cm from the tank surface; do not place them too deep or too high compared to the tank surface.
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Source: Compiled from the Internet
