Calculation of the building's water storage tank's volume

Mohsen Seyfi
building facilities
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You probably already know that the country's increased water consumption is a result of factors like population expansion, the construction of more buildings, the development of various industries, etc. Due to the dehydration and lack of water in some areas, which is typically brought on by improper water use, most buildings now have tanks installed to store used water, ensuring that residents will always have access to the water they need for food preparation and hygienic purposes in the event of a water supply interruption or pressure drop. Water supply pump boosters or water storage tanks with the right volume should be utilised to supply water to the upper floors in apartment and high-rise buildings even if there is no water shortage. It should be noted that using a water storage tank with less volume than necessary causes issues with supplying water to the units and installing a tank with more volume than necessary results in the water in the tank not being drained and replaced on a daily basis. Inside the tank, stagnant water can lead to water pollution. For this reason and to ensure the full effectiveness of this equipment, it is preferable to select and install a water storage tank under the supervision of facility engineers. The water storage tank should be chosen and used to supply the building's water consumption. The methods for determining the water storage tank volume of the building, the kind of material used to make these tanks, and the proper way to install them have all been covered in the sections that follow; for further information, please read the article through to the conclusion.

Important factors to consider while estimating the water storage tank's volume

In order for the installed tank to be able to fulfil the water needs of the units, the capacity of the building's water storage tank should be calculated accordingly. The following factors are taken into account by facility engineers when determining the volume of these tanks as a result.

Number of inhabitants

Engineers do estimates after the census and after figuring out how many people are residing in the structure. For instance, the average daily water use per person for drinking, washing, bathing, etc. is 75 litres; multiply that by the population size, and the sum is taken into consideration.
However, in general, the amount of 75 litres per 24 hours for each person according to the standards between International is considered as an average. Note that in order to determine the exact amount of water needed by each person day and night, the activity outside the house, the hours of sleep, the person's health status, etc. should be checked.

The number of units

The number of building units should also be considered when determining the volume of the building's water source. The average number of toilets and faucets in each unit can be determined, and the amount of water required by each unit can be calculated. In this case, a water storage tank of about 300 litres is taken into account for each residential unit and 200 litres for each office unit.

The number of restrooms

As previously noted, the volume of the building's water storage tank can be calculated by knowing the number of toilets and faucets inside each unit. Engineers must be aware of the overall amount of sanitary services present in a structure because sanitary services account for the majority of the units' water usage.

The most effective material for a construction water storage tank

An appropriate tank is manufactured and placed after determining the volume of the building's water storage tank and determining the necessary capacity. Previously, metal tankers were typically used to store water. One issue with employing metal storage tanks was that they rusted and deteriorated over time, adding salts to the water inside and altering its flavour and colour. Additionally, metal tankers are heavy, and given that water storage tanks are typically put on the roof of the building, this problem places additional strain on the building's roof structure.

In terms of material, 5-layer polyethene tanks made of glass-reinforced plastic are the best tanks for storing water for buildings nowadays. It is simpler to carry and install the five-layer polyethene tank on the roof because it weighs much less than metal tankers. With five functioning layers, this water storage tank can withstand extreme temperatures (cold or hot). The 5-layer polyethene water storage tank's antibacterial properties also stop bacteria, algae, and other microbial growth in the water.

Consider the following items to understand more about the 5-layer polyethene tank.

1 layer blocks UV rays
two layers combat bacteria and algae
2 layers are necessary to protect against extreme weather (extreme cold or extreme heat).

How to install the building's water storage tank properly

Another crucial factor is how the water storage tank should be installed in the structure. Poor tank installation can result in a lack of water reaching the units. This makes it preferable for facility engineers to decide where and how many tanks to install. Engineers decide where to put the tank based on factors like the weather, where the building is located, how much weight the tank will have when it is full of water, and where the roof will be able to support the most weight. The placement of the tank must be chosen so that the concentrated load is different, and this problem must be avoided as much as possible when installing the building's water storage tank. In order to install the building's water storage tank and maintain its correct efficiency, it is advised that you defer to the facility's engineers for the volume calculation, type selection, and tank site.

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