Septic Tank Design 1970

Design of septic tank is necessary to manage the waste excreta by human beings in a well planned manner.

Septic tank design 1970.

The liquid capacity of tank is taken as 130 liters to 70 liters per head. The tanks installed from 1960 through the mid to late 1970s held up pretty well. The tank tops starting with the third compartment are badly decayed while the walls show little or no decay. The first chamber should be at least half of the total length in case of more than two chambers and a length of 2 3 of the total length should be considered when there is only two.

Tanks installed after that decayed rapidly. Septic tank pump out on a 1970 s system. Definition of septic tank. For small number of users 130ltr per head is taken.

In order store the wastage or sewage for 10 30 days septic tank is constructed and the same is designed. Septic tank is a water tight receptacle which receives the discharge of a human waste from the toilets. The tank which stores a waste water of house or building is called septic tank. It is an underground storage chamber made of concrete fibreglass or plastic and is intends to control manage and most importantly treat waste material.

I have attached an example of the design of septic tank for ten users as an example by solving numerically. This tank is usually installed below 1 5m 1 8m from ground level. In 1960 precast tanks became common. Structural design of a septic tank as septic tank is a basic sedimentation tank it is in a rectangular or cylindrical shape with minimum of two chambers.

In civil engineering the design of septic tank play important as well as useful knowledge to be with civil engineers. One manufacturer quickly became the dominant supplier in our county. Septic tank is installed where there is no proper drainage system. The capacity of septic tank depends on number of users and interval of sludge removal.

Design of septic tank.