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How to build a 2-compartment, 3-compartment septic tank Proper technical standards are one of the issues that many customers care about. Therefore, in this article, with more than 10 years of experience in providing septic tank cleaning services, Thanh Binh’s experts will share with you the important notes when building 2, 3 compartment septic tanks. We invite you to consult.
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Choosing the right type of septic tank design to suit your needsHow to build a 2-compartment septic tank according to technical standards
Choose a suitable septic tank construction site
The first thing you need to do before proceeding to build a standard septic tank is to survey the terrain and choose a suitable location to build a septic tank. The choice of location to build a septic tank will depend on factors such as feng shui, geology, shape of the land. Specifically:
About feng shui: You should not build a septic tank under the kitchen, dining room, bedroom, living room, or worship room. Because the septic tank is a place to store waste, there are a lot of bad gas fields. If built next to, or placed under important positions in the house, it will affect the fortune, spirit and health of family members.
Choose a suitable septic tank construction siteAbout geology: Septic tanks should not be built in places where the ground is weak, unstable and prone to subsidence. In case of necessity because it is impossible to choose a better location, you need to make a protective wire mesh before pouring the foundation to ensure the future durability of the work.Land shape: Normally, when building a family septic tank, an apartment septic tank, etc., people will choose a rectangular shape. However, this shape of the septic tank can also be changed to match and balance the shape of the land. , can be box, sphere, square.
After determining a suitable location to build a septic tank, you need to base on your needs and financial ability to choose the form of a 2-compartment or 3-compartment septic tank, …
How many blocks to build a septic tank?
Along with choosing a location to build a septic tank in accordance with feng shui standards, in accordance with the geology and shape of the land, the next issue you need to pay attention to is the size of the septic tank. This is one of the important factors to ensure that the septic tank meets the intended use or not.
So how many blocks should we choose to build a septic tank? In fact, it is not possible to give a general number that applies to all cases because the number of people using septic tanks in each project is different.
Accordingly, the size of the family septic tank will not be the same as the size of the septic tank for restaurants, apartments, commercial centers, and densely populated buildings.
How many blocks to build a septic tank?
Therefore, depending on the purpose and needs of use, the number of septic tank blocks will be different. Normally, when building a family septic tank, it only ranges from 3 to 5 blocks. Meanwhile, restaurants and septic tanks can range from 20 to 30 blocks. As for apartments, densely populated buildings, you can make septic tanks up to several hundred blocks.
Choose the type of septic tank design that suits your needs
Carefully study the standards for septic tank construction
The construction of a septic tank must comply with the scientific process and fully meet the technical standards. Only in this way can we create quality works, ensuring long-term durability.
According to the regulations in the document TCVN 10334:2014 issued by the state, the standards for septic tank construction will include: Total septic tank capacity, wet capacity, surface air volume, tank size according to the requirements of the septic tank. number of people, urine retention time, capacity of sediment decomposition area, storage area, area of accumulation of scum…
Carefully study the standards for septic tank construction
Each standard needs to meet different criteria, with different calculation methods, the construction specifications of septic tanks in each part of this project are also different.
In addition to the technical standards for building septic tanks, you also need to comply with the principles and principles of building septic tanks for households, houses, apartment basements, restaurants, hotels …
In the previous article, Thanh Binh has analyzed in detail about the standards, principles, and principles of building 3-compartment septic tanks in particular, septic tanks in general, please see detailed information. HERE.
Currently, there are two most common types of septic tanks, which are 2-compartment septic tanks and 3-compartment septic tanks, you should choose according to your needs. The next content in today’s article we will guide you on how to build these two types of septic tanks
How to build a 2-compartment septic tank according to technical standards
Two-compartment septic tanks are often used for small-scale septic projects such as households and houses. How to make a 2-compartment septic tank will be very difficult without expertise, but you can refer to the suggestions below of Thanh Binh.
How to build a 2-compartment septic tank according to technical standards
Materials to prepare
Solid brick: 800 tablets Cement: 13 bags Steel Φ 8:30 kg Crushed stone 1×2: 10 turtle carts (about 0.5m3) Yellow sand: 1.3 blocks PVC pipes
How to build a 2-compartment septic tank tunnel
How to make a 2-compartment self-destructing septic tank is done through the following steps:
Step 1: Dig a hole
How to dig holes to build septic tanks will be based on design drawings. You should dig a little wider than the actual size of the tank to facilitate construction.
Dig holes to build a 2-compartment septic tank, 1.6m deep (excluding the bottom concrete layer and tank cover) Width of the tank: 1m4Length: Depends on the design volume, minimum 2.7m (for family) 10 peoples).
Step 2: Construction of the foundation
In how to make a 2-compartment septic tank, the foundation is very important. The firmer the foundation, the less subsidence and cracking the building will be after a long time of use.
You use Φ8 mesh steel, A150 iron plate to reinforce the septic tank foundation. Then, you pour a layer of concrete mortar (ratio 1 cement, 2 yellow sand, 3 crushed stone) 10cm thick on top.
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Step 3: Build walls, divide septic tanks
With the construction of a 2-compartment septic tank, you can build a wall of 10, built with solid bricks, using mortar mixed in the ratio of 1 xi, 4 sand. When building a wall, you should leave a technical hole to place the pipe according to the design drawing, to avoid the case that you have to punch the wall later. Inside the tank will build a secondary wall divided into 2 compartments, including the storage compartment and the settling compartment. The storage compartment will be ⅔ of the total area of the tank, the sedimentation compartment will take up ⅓ of the remaining area. After the wall is built, you mix the mortar with the ratio of 1 cement, 3 sand to plaster the wall, wait for the mortar to dry. can add 1 layer of pure cement water to increase waterproofing ability.
Build walls, divide septic tanks
Step 4: Pour the cistern tank cover
The septic tank tank cover is poured with reinforced concrete, the thickness of the tank cover must not be less than 7cm.
Step 5: Install the septic tank pipe
In this step 4, we will proceed to place the pipeline, including the inlet discharge pipe, the pipe between the compartments, the vent pipe and the drainage pipe to the outside:
With waste inlet pipe: This is the main waste pipe from the toilet to the septic tank compartment. Position as high as possible, should be placed near the position of the knitting plate, at least 200mm above the water surface in the septic tank, perfect slope is 1/50 for pipe length 1000m, pipe diameter 90mm.With catheter between the compartments: Between the storage compartment and the settling compartment, there should be a conduit with a minimum diameter of 110mm. You can also use a vent hole, size 200x200mm is suitable.With vent pipe: Optimal size is 27mm, facing straight to the sky, minimum height above roof is 0.7m.With drain pipe Waste: It is recommended to use 110mm in diameter, 200mm away from the septic tank cover.
Installing a 2-compartment septic tank pipeline
Step 6: Check and level the ground
After completing 5 steps in how to build a septic tank, you proceed to check the technical parameters. If all is suitable, the surrounding soil will be leveled, using water to irrigate the top and then put the sandy soil down to be sure.
How to build a 3-compartment septic tank according to technical standards
The 3-compartment septic tank can both be used for small-scale projects such as households, and is also an ideal choice for densely populated buildings such as apartments. Here are instructions on how to build a 3-compartment septic tank.
Basically, how to build a 3-compartment septic tank will also follow the same 6 steps as the 2-compartment toilet above Thanh Binh has instructed. The way to use and install all kinds of pipes, how to pour the foundation, fill the tank cap is the same.
However, the structural diagram of a 3-compartment septic tank will be different from a 2-compartment septic tank, so you need to note a few aspects to easily build a standard septic tank:
Foundation: If used for large projects, the foundation should be poured with reinforced concrete at least 15cm thick. Walls: Most 3-compartment septic tanks are used for buildings with densely populated areas, so you should prioritize build wall 20, with walls dividing the boundary between compartments can still build wall 10.
How to build a 3-compartment septic tank according to technical standards How to divide the septic tank compartment: The storage compartment will have the largest area, equal to 2/4 of the total area of the tank, the sedimentation compartment is ¼, the filter compartment occupies the remaining ¼. Tank size: Depending on the number of people, the number of apartments to calculate the parameters for reasonable. For the basic size of the townhouse septic tank, you can refer to the choice of width of 2m2, length of 3m2, height of 1.5 – 1.65m. Pipeline: If used for large projects, the diameter of Pipe should choose 114 – 140mm type.
In addition, you should also pay attention to:
The height of circulation (ie the space above) is not less than 15cm. The depth of the inlet and outlet plugs into the water surface is not less than 30cm. If using a pipe fitted to the wall of the tank, the bottom reinforcement of the inlet pipe is higher than the bottom of the pipe. out about 5cm.
Some notes when building a septic tank septic tank
In addition to the information above, in order to make the process of building a septic tank for the family (or for any other project) go smoothly, without delay, limiting incidents, as well as arising problems. Not worth it, you need to pay attention to some of the following aspects:
Some notes when building a septic tank septic tank
Make a plan to hire personnel
If you do not have the skills and understanding of construction architecture, you should plan to hire personnel. The more meticulous and detailed the staffing plan, the more it will help you save time and investment costs.
Small suggestion, you can rely on the size of the septic tank, the time it takes to complete the work to estimate the number of employees to hire. Or, you can also contract the package, the builder will actively allocate appropriate personnel to meet the schedule and requirements you set.
Calculating estimated costs
Estimating the cost of building a septic tank will help you be more proactive in negotiating prices, preparing funds and necessary expenses for the construction of a septic system. So how much does it cost to build a septic tank, and how much does it cost to build a septic tank?
In fact, the septic tank quote will depend on many different factors such as the size of the project, the cost of labor to build the septic tank, the materials to build the septic tank, etc. You can rely on these factors to calculate. cost estimates. Surely the cost of building a family septic tank will be much less than the cost of building a septic tank for large projects.
Suggestion, the cost of building a septic tank ranges from 2 to 3 million/1m3, the labor cost to build the septic tank/day is about 250-300 thousand VND. On average, for every 1m2, building wall 10 will cost 55 bricks, wall 20 is 110 bricks.
Choose material
Bricks, gravel, cement, yellow sand, non-ferrous steel 8, waste pipelines are important indispensable materials. Selecting quality materials will improve the durability of the building, prolonging the use of the septic tank.
Ask the contractor to have a warranty commitment
This is a very important note when building a septic tank, because the warranty commitment from the contractor is an important basis to protect your interests. The commitment must contain all the terms agreed upon by the two parties and the specific warranty period.
In addition to the above notes when building a septic tank, when putting it into use, you must also pay attention to periodically vacuuming and vacuuming, avoiding the situation that the septic tank is full and causes blockage. In this respect, with more than 10 experience in deploying packages septic tank pumping serviceThanh Binh is confident to bring complete satisfaction to customers.
Category: General
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