Here Sepik tank structure detail including top view tank is constructed without bottom slab below the tank. Due to seepage from Septic tank, the waste water is mixed with Fresh Water sump. To avoid this, the septic tank is cased up with the bottom slab. All waste water from the bath, toilet, kitchen flows into the tank There are three layers that make up the wastewater in your septic tank: sludge, effluent, and scum. When each of these wastewater layers is balanced, your septic system will operate properly. For more details of Sepik tank structure detail including top view
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