GB/T 38836-2020Technical specification for construction of rural household latrine with three-compartment septic tank (English PDF)

3.1 Three-compartment septic tank

It is composed of three pools connected in series, and through the process of fecal sedimentation and anaerobic digestion in a closed environment, the parasite eggs are removed and killed, etc.

Pathogen, harmless treatment and storage facility or equipment for controlling the breeding of mosquitoes and flies.

Note. The three-slot septic tank includes integral type and existing type. Use plastic or glass fiber reinforced plastics and other materials to produce three-layer septic tank products in the factory as a whole;

The three-slot septic tank constructed on-site by means of brickwork, cast-in-place concrete or concrete prefabricated parts is currently built.

3.2 Rural three-format household toilet

It is composed of toilet houses, sanitary ware, three-slot septic tanks, etc., and is used by rural households who use three-slot septic tanks to harmlessly treat toilet feces.

WC.

Note. The toilet house is divided into an attached building and a stand-alone. Those built in residential houses or integrated with the main living houses are of additional construction type; those built outside residential houses and other living houses are

Detached.

3.3 Nightsoilsewage

A mixture of feces and urine excreted by the human body and its flushing sewage.

3.4 Three-frame septic tank effective volume available volume of

The volume of the three-slot septic tank from the bottom of the overflow port of the septic pipe to the bottom of the tank.