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A septic tank consists of one or more concrete or plastic tanks of between 4,500 and 7,500 litres (1,000 and 2,000 gallons); one end is connected to an inlet wastewater pipe and the other to a septic drain field. Generally these pipe connections are made with a T pipe, allowing liquid to enter and exit without disturbing any crust on the surface.
The relatively grease-free water is then fed into the normal septic system.The food solids at the bottom and floating oil and grease must be periodically removed in a manner similar to septic tank pumping. [11] A traditional grease trap is not a food disposal unit. Unfinished food must be scraped into the garbage or food recycling bin.
Infectious diarrhea resulted in about 700,000 deaths in children under five years old in 2011 and 250 million lost school days. [8] [9] Pit latrines are a low-cost method of separating feces from people. [4] A pit latrine generally consists of three major parts: a hole in the ground, a concrete slab or floor with a small hole, and a shelter. [7]
In Dubrovnik, then known as Ragusa (Latin name), the Statute of 1272 set out the parameters for the construction of septic tanks and channels for the removal of dirty water. Throughout the 14th and 15th century the sewage system was built, and it is still operational today, with minor changes and repairs done in recent centuries.
It was later mandated that all the old summer houses henceforth must install septic tanks and not flow their waste into the lake anymore. Image credits: Linda Johnson #6
A recess in the security screen at the front of the house allows visitors to view three interpretive panels containing photographs and historical information. The ground floor is of cement. The house is equipped with a corrugated iron water tank on a concrete base, and also with an underground septic tank.
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