Know Everything About Septic System Design

Selecting a septic system design is a vital task. Finding a proper system will need a thorough assessment of your structural requirement and environmental factors are to be considered as well. Septic and wastewater professionals are available to assist you with the process of properly designing, installing, and maintaining your system. 

Know more about your septic system design drawings

At the beginning an assessment is made regarding the local regulation and zoning requirements. This will incorporate objects like a proper understanding of the local policies, permitting regulations and environmental standards. A detailed terrain survey is conducted as well, as the placement of utility poles, underground writing, and other various pre-existing infrastructure will often dictate the ideal location to dig for your septic system. 

Septic system design starts with a soil test and “perc” test. A soil test requires removing the deep core of soil and examining what happens in the different layers. A perc test involves filling a deep hole with water and timing how long it takes for the water to percolate through the soil at the bottom of the hole. 

A proper septic tank design is highly important as it treats sewage on a small scale which is common in areas where there is no connection to the proper sewerage pipes. Waste water from the household is directed into the septic tank. Septic tank design allows the heavy solid waste to settle down from the wastewater. 

Septic system design is one type of onsite sewage collection system. Approximately 25% of the population depends on septic tanks. Many household owners are installing septic systems as they see it as an appropriate option to the public sewer system. They are good for nature and its surroundings as they rely on naturally occurring bacteria to decompose waste rather than chemicals. If you are planning a septic system design then start with an accurate design and planning. This has to have exact measurements. 

An appropriate capacity of a septic tank is essential because wastewater can backflow back to your house. The septic tank design considering the upcoming increase in waste water, therefore design a proper septic tank for your home so that it can last for many years. Septic system design contains two main chambers each of which is equipped with the manhole cover. The chambers are separated by a dividing wall which has openings situated at the midway between the floor and roof of the tank. 

Septic tank cleaning you need

Septic tank treatment system needs regular cleaning to avoid the build-up of sludge and eventual escape with the effluent into the drainage-field. Septic tanks require cleaning once a year for maintaining any defect. Excess wastage of cooking oil can often fill the upper layer of the septic tank and can cause the inlet drains to block. People often use a waste grinder to throw away excess food, which can cause overload of the system and early failure. Septic tank damage is mainly caused due to some chemical contact like pesticides, herbicides, materials with high concentration of bleach, or any inorganic materials like paints, solvents etc. 

Septic system design and size vary from your neighborhood to across the country, because of the combination of factors like soil type, site slope, household size, lot size, weather condition which affect the construction of the septic tank. Septic system design is not a difficult task, but you need to have a precise measurement. If your measurements are slightly incorrect, it can spoil the entire project. A professional needs to be hired for the construction of the septic tank. 

What is a septic tank and how does it work?

What is a Septic Tank?

Septic tank is an underground tank where all the waste discharge accumulates. It is used for waste water treatment through the process of biological decomposition and drainage. A septic tank uses natural proven or advanced technologies to treat wastewater materials discharging from the household plumbing produced by washrooms, kitchen drains and laundry. Septic tank designs are usually made of simple design usually rectangular or round in shape. It is made up of fiber glass, plastic or concrete.


How Does It Work?

Septic tanks work by collecting the water waste and human excreta in a large underground tank, basically this is how it is used in rural areas. Septic tanks are usually underground, and should be 15 feet away from any home. It may be comprised of two compartments, in the 1st compartment it receives waste water from inlet pipes, and effluent discharge is from the 2nd compartment.

Septic tank requires regular maintenance and some common precautions should be taken when it is handled. Property owners should plan a proper residential septic system design to avoid spreading bacteria, virus causing infection. Septic site plan should be made in such a way that the septic tank does not create any harm to the natural environment. If the septic tank is not pumped periodically then the effluent retention time is dramatically reduced allowing solids to exit to the field causing field failure and allowing the sewage can flow into the ground surface and create a backup in sinks and washrooms. In a septic tank all the organic materials will settle at the bottom and soap will float to the top.  The effluent being treated is between these top and bottom layers, as the distance between these layers gets closer that is what fills the tank.


What is a septic tank and how does it work


The septic tank has two  pipes (typically) one for inlet and the other for outlet. The inlet pipe is used in the septic tank to move the water waste from the household, and it gets collected in the septic tank. The wastes are kept for long enough inside the septic tank, so that solid and liquid wastes separate it from each other. The second pipe is the outlet pipe or the drain pipe. This outlet pipe separates out the preprocessed waste water from the septic tank and spreads it evenly in the leach field. When the waste water is collected and settled in the septic tank, it divides itself into three layers. The first layer is oil or grease which floats on top of the waste, and this is termed as ‘scum’. The second layer contains the waste water and the waste material referred to as effluent.


What is a septic tank and how does it work –


The third or the last layer contains the particles which are heavier than water and forms sludge. Bacteria present inside the tank helps in breaking down the solid waste particles, which then makes it easy for the liquid to separate and drain away easily.  As a part of maintenance, the materials which are settled at the bottom of the septic tank need to be removed.  Detailed steps of how a septic tank works are listed below:

  1. Water waste from the household runs through one main pipe leading to the septic tank.
  2. Underground septic tank holds the liquid waste. It needs to hold the liquid waste long enough so that the solid particles settle at the bottom and oil and grease separates itself on the top.
  3. After the process the effluent will be able to exit the tank into the drain field.
  4. The waste water is then discharged in the porous surfaces of the drainfield.
  5. The soil then accepts, treats, and disperses waste water as it percolates through the soil, ultimately discharging to the groundwater.