CALCULATION OF SEPTIC TANK CAPACITY


Number of person                         – 20nos
Number of liters (Aprox)              - 0.5liters/day/no
Number of years                              - 2 years,
Capacity of tank = 730 x 20 x 0.50
                                = 7300 liters
                                =7.3 cubic meter
Depths of tank = 1.8 m
Size of the tank = 4.05 square meter
                                = 2.01 x 2.01
Free board          = 0.50m

Size of the Tank = 2.01(L) x 2.01(B) x 2.3 (D)

We may arrange like this - 2.69 (L) x 1.5 (B) x 2.3 (D)

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