How is the process of cleaning underground water tanks and regulations on sanitation of underground water tanks? Why do you have to do it in the right order?. The answer is that periodic cleaning of the underground water tank is mandatory. To ensure safe and clean drinking water. But cleaning the underground water tank is not easy. And if you do the wrong steps in the process of cleaning underground water tanks, unexpected consequences will occur. Today’s article answers this question in detail. Let’s see the article
1. What is an underground water tank?
Image: Underground water tank
Underground water tank can be considered as a place to store domestic water for families, buildings, apartments,… It is an indispensable work in every family to store and supply water for products. production and living.
Along with this great benefit, the design is also very difficult. Because the underground water tank must be located at a reasonable location. The process cannot go wrong, If it is not done well, it will lead to many unfortunate consequences such as weak flow rates, flooded floors,…
2. What is underground water tank cleaning?
Image: Cleaning the underground water tank
Cleaning of underground water tanks is using machines: polishing floors, industrial vacuum cleaners to clean and scrub long-term stains, vacuum clean dirt from underground water tanks to increase storage and reserve capacity. domestic water for the whole family.
Clean the underground water tank periodically to avoid dirt, bacteria, spreading into the daily living water source. Cleaning of underground water tanks is mandatory 1-2 times a year to ensure clean water. Especially to ensure the health of users.
Any job will have a specific workflow to ensure the job goes smoothly without any errors. As well as high efficiency in work. The same goes for cleaning the water tank. Below we will provide you with TKT Clean’s underground water tank cleaning process.
Step 1: Receive customer information and requests
We are always ready to receive inquiries and consult with customers 24/7 via hotline 0909058020. Or through other contact methods.
After we receive the full customer, TKT Clean will advise the preliminary price. And proactively schedule an appointment with the customer to send a supervisor to meet the customer and survey the water tank.
Survey the volume, area, and size of the underground water tank. Discuss the work, the process of cleaning the underground water tank and provide an accurate quote to the customer.
This process is completely free. We will send you a quote via Gmail or directly at your request.
Step 3: Prepare necessary tools, sanitary and protective equipment including:
After preparing all the tools, close the water supply valve to the tank and disconnect the pump system from the tank
Step 4: Flush the water tank
Image: The process of cleaning underground water tanks
Fill the groundwater tank with tap water, then isolate all water supplies to the tank. Use Chloramine powder 70 mixed with water with the appropriate ratio. Then start rinsing the water tank by following these steps:
Cover the tank and wait about 3-4 hours for the solution to completely disinfect.
Drain the water stored in the tank. When there is a small amount of water left, seal the ends of the pipes to avoid cleaning the water tank, the dirt will run through the pipeline to clog the pipe after we finish cleaning the water tank.
Use a brush or high-pressure spray gun to clean the plaque, moss, water residue, deposited humus … in the walls & bottom of the tank, then wash and rinse thoroughly.
Fill the tank with water, mix the solution of Javel, Chloramin B and Lime Chloride powder into the tank, use a stick to stir until dissolved in water. Cover the tank and wait about 3-4 hours for the solution to completely disinfect.
Drain the entire amount of water containing chemicals from the tank, rinse the tank 2-3 times with clean water until the smell of the cleaning solution is completely gone and the color of the water is no longer cloudy.
Dry the tank if the water tank is groundwater or a water filter tank. If it is a stainless steel water tank, after this stage you can discharge water directly to use.
Step 5: Check and handle cracks
Image: Check and handle the cracks of the tank
After completing the cleaning of the tank. Carry out drying (if underground water tank or filter tank). Check for cracks and waterproofing and final cleaning of these locations. Also check the water supply system, pump. After completing the above tasks, pump the water back into the tank.
Take water samples for testing to ensure that the water is qualified for domestic use. Along with that, clean the area around the tank to ensure the cleanest water source.
Step 6. Clean the area around the tank
This step is almost complete the tank cleaning process. The remaining work is to clean the area around the tank to ensure the cleanest water source.
Video of TKT CLean’s underground water tank cleaning process
4. Regulations on the process of underground water tank cleaning process
Image: Regulations on sanitation of underground water tanks
For industries, there are always regulations related to water use including:
According to National Technical Regulation on Drinking Water Quality QCVN 01:2009/BYT.
According to National Technical Regulation on Domestic Water Quality QCVN 02:2009 /BYT.
According to Regulations on hygiene and quality of drinking and domestic water 50/2015/TT-BYT
Through the above regulations, it is necessary to clean the underground water tank once or twice a year. The tanks contain water for drinking and production activities. To ensure the requirements according to the regulations of the Ministry of Health.
But to clean the underground water tank is not easy. Since cleaning in a confined and enclosed space comes with a lot of risk. Therefore, the following rules must be observed.
4.1. Regulations on sanitation of groundwater include
When cleaning, make sure to always supply enough Oxygen to the tank
Pay attention to chemical reactions between the air and some compounds in the soil or objects materials and materials in the work area
Use suitable chemicals, do not use chemicals with strong odors
Check the tank for toxic gas or not before cleaning. If toxic gas is present, it should be handled promptly
Check the pipes connecting to the work area
Make sure to use fire-resistant materials or substances
Always measure the temperature during work. Avoid causing fire and explosion when the temperature is high
Always ensure that the working process is well ventilated and provided with adequate light.
The permanent person is always outside and kept contact the people working inside .
4.2. Tasks to be performed before working in confined spaces
Implement isolation measures
Gas measurement
Risk assessment
Paper work control permission to work
Make an emergency response plan
Prepare emergency supplies and equipment
Delivery personnel outside the furnace mouth, exits
Tools working in confined spaces must be considered, flammable or explosive devices must not be used
Control measures against collapse, landslides or flooding should always be in place and regularly monitored .
5. Some related questions
What is an underground water tank?
Underground water tank can be considered as a place to store domestic water for families, buildings, apartments, … It is an indispensable work in every family to store and supply water for production and living. active.
What is underground water tank cleaning?
Cleaning underground water tanks is using machines: floor polishing, industrial vacuum cleaners to clean and scrub long-term stains, vacuum clean dirt from underground water tanks to increase storage capacity and reserve domestic water. for the whole family
How often should the underground water tank be cleaned?
Clean the underground water tank periodically 1-2 times/year to ensure that the water source is always clean. Especially to ensure the health of users.
Summary
Through the article on TKT Clean, an overview of underground water tank sanitation was introduced. As well as providing 6 steps in the above ground water tank cleaning process, TKT Clean hopes you have a better understanding of underground water tank cleaning. As well as having a basis for quality assessment underground tank cleaning service. And regulations on sanitation of underground water tanks. Hopefully the above information will help a little for cleaning your own underground water tank.
Updated the article “Underground water tank cleaning process” last October 12, 2022. At 
Hotline: 
