Building a Septic Tank System


Building a Septic Tank System

A septic tank is a large underground tank that is mostly installed in many rural areas that lack an underground sewer system. Its main work is the treatment of sewage as well as household waste. Typically, solid matter will sink to the bottom of a septic tank while liquid waste will flow off to an area where it is conveniently absorbed by the soil. Usually, septic tanks are pumped out periodically. The frequency of septic tank pumping is a factor of tank usage.

Building a Septic Tank System

The work of building a septic tank from inception to completion is not easy thus requires the input of professionals. We found some professionals who can help you with your septic tank. You can check it here. But before anything else, continue reading for a basic knowledge on building a septic tank. The following are some of the things to keep in mind:

It is important to first determine the cost of building a septic tank system before the project commences, the cost will be determined by the pipes, distribution box and drain field. The price of building materials is dependent on the hardware from which they are purchased. Remember, excavation is also a labor cost.

Before excavation
Choosing an appropriate location for your septic tank system is essential to its function. The best place to put the tank is normally next to a street, under a garage or in the backyard.

Site evaluation
Traditionally, a perc test is done to indicate to the health department the treatment qualities of a property. It will give the results of the absorption speed of soil on a Trench size for drain field. The usual daily water use, the number of inhabitants and the number of bedrooms are the factors used in determining the size of the drainfield trench. Once the flow rate and the type of soil in a property are determined then the drain field area can be derived from a chart.

Size of the septic tank
The septic tank dimensions are dictated by the size of both the property and the family living on it. The size also informs the pumping out frequency that will be needed by professionals providing the service.

Create drawings before building a septic tank system
The local health department will require to see the drawings of your septic tank before it can be built to ensure it satisfies all safety conditions. Make sure is properly detailed so that you get approval.

Drainfield layout
The minimum number of drainfield trenches is two for the entire layout. A distribution box is used to separate the flow of water into two lines or even three lines. This box has flow control valves that are like eccentric plugs whose work is to uniformly split the flow to many drain lines. It is mandatory that the effluent flows downhill from the outlet of the tank via the distribution box and into individual trenches.

Building permit application
The plans for the septic tank should be submitted to the local health department office and a fee paid so that they are reviewed. After they are approved is when you can progress to the final phase of construction.

Building a septic tank system
Creating a basic layout is the first step when building your septic tank. The building plans will be transferred to the ground through the layout. This means that the layout as well as the various parts of your septic tank design ought to be projected on the construction site accurately.

Excavation of the septic tank
Be keen on elevation when excavating for your tank and even drain lines as it is the only way that you will gest best results. At the conclusion of the excavation process, ensure the health inspector does a final inspection then start backfilling.

Backfilling septic tank
During construction, all the vaults, pipes and tanks should be properly backfilled. Water testing, pressure testing or vacuum testing must be done to ensure there are no leaks. The health inspector will do one last inspection before the final backfilling.

The above insightful information describes what a septic tank is, how it works and the process of building a septic tank system for your property. The specific tank dimensions and other specifications are site dependent thus have no standard values.


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