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The Basics Of Septic Design Texas

By Dorothy Price

A septic system is a self-contained, high efficient, wastewater treatment system that is located underground. Unlike the sewer systems, it treats and disposes wastewater from households onsite. For this reason, it is more economical to use. The system is also inexpensive to maintain and install. Furthermore, because its installation does not require a lot of space, it is environmental friendly. Outlined below are the four common types of septic design Texas.

The first category is the gravity drainfield. Because this is an olden make, it makes use of the traditional gravel. The gravity system comprises of a drain-field that has several pipes. Each pipe is perforated and has a diameter of four inches. These pipes are, further, systematically embedded in trenches that are full of gravel. The trenches are supposed to be maintained approximately three feet above any hindering layer such as a hardpan.

The effluent is filtered by the soil that is below the drainlines as it makes its way through the numerous pore spaces. As the effluent percolates through the soil, moreover, it is treated by biological and chemical processes. The treatment, therefore, cleans up the wastewater before it mixes up with groundwater. For the system to work efficiently, the soil has to be dry, aerated, permeable and deep enough for the cleaning process to be completed.

The other frequently used design in Texas is the pressure distribution drainfield. The system is at most times efficient in areas that lack enough space for installing the previous design. The main distinction of this design is that it has a pump that releases the wastewater into the drain field at intervals.

The system, moreover, has an additional series of pressurized lines. The lines connect the pump tank to the drainage field. The necessity of this is to see to it that all the effluent is pumped to the drainfield at the same time. Pressure systems have numerous layout designs as compared to the gravity systems. When laying out your designs, therefore, you should conduct a research to find out which type of layout best works for you.

In places that do not have enough soil to facilitate the installation of the previous designs, a sand filter system is the best alternative. In this instance, a specific vessel that is full of sand is placed between the pump tank and the drainfield. The sand then treats the effluent as it moves into the shallow soils. The sand filter can either be made from concrete or other suitable material.

The effluent from the septic tank is pumped in controlled portions to make sure that there is a uniform distribution. The effluent is treated as it moves through the particles of sand. It is then collected by an underground underdrain which either moves it to a second chamber for discharge or into a drain field that is pressurized.

For any site that is a mound and lacks an adequate soil depth, a mound system works best. A mound, in this case, is a type of drainfield that is elevated above the soil surface. It is also filled with a particular type of sand. Unlike the previous model, this one has gravel embedded in the sand and also in the pressurized pipes. The treatment of the effluent occurs as it moves through the sand particles into the surface soil.

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