Primary Sedimentation. Detention Period – 12 to 36 hours.
Sewage Treatment: Septic Tank
Detention Period – 12 to 36 hours
Works on the principle of anaerobic decomposition
Rectangular type – constructed below GL
Removes about 60 to 70 % dissolved matter from it.
Number of souls per house hold: 5
Number of fixture per house hold: 1
% of unit discharge simultaneously : 60
Discharge from each sedimentation : 1 m2/10Lpm of peak discharge
Minimum depth for sedimentation : 30cm