The Minimum Width of a Septic Tank is Taken

By Aina Parasher|Updated : July 12th, 2022

The minimum width of a septic tank is taken-

  1. 70 cm
  2. 75 cm
  3. 80 cm
  4. 90 cm

Answer: D. 90 cm

The minimum width of a septic tank is taken 90 cm.

Solution

Some design parameters of design tank are given below.

  • Length of septic tank is taken 2 to 4 times of its width.
  • Depth of septic tank is taken 1000 to 1300 mm.
  • Minimum freeboard is taken 300 to 400 mm.
  • Detention period is taken as 24 hrs.
  • Width is taken as 90 cm.

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