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A septic system is a highly efficient, self-contained, underground wastewater treatment system. Because septic systems treat and dispose of household wastewater onsite, they are often more economical than centralized sewer systems in rural areas where lot sizes are larger and houses are spaced widely apart. Septic systems are also simple in design, which make them generally less expensive to install and maintain. And by using natural processes to treat the wastewater onsite, usually in a homeowner’s backyard, septic systems don’t require the installation of miles of sewer lines, making them less disruptive to the environment.
A septic system consists of two main parts-a septic tank and a drainfield. The septic tank is a watertight box, usually made of concrete or fiberglass, with an inlet and outlet pipe. Wastewater flows from the home to the septic tank through the sewer pipe. The septic tank treats the wastewater naturally by holding it in the tank long enough for solids and liquids to separate. The wastewater forms three layers inside the tank. Solids lighter than water (such as greases and oils) float to the top forming a layer of scum. Solids heavier than water settle at the bottom of the tank forming a layer of sludge. This leaves a middle layer of partially clarified wastewater.
E-RETE Reinforced Concrete Septic Tanks have the following advantages over the cast in-situ structures:-
(a) Speed of construction
(b) Less field supevision
(c) Superior quality (made from spun concrete pipes)
(e) Reduce overall cost
E-RETE Reinforced Concrete Septic Tanks are made with or without filters as required.