# Civil Engineering - Estimating and Costing - Discussion

### Discussion :: Estimating and Costing - Section 1 (Q.No.50)

50.

The detention period in a septic tank is assumed

 [A]. 20 minutes [B]. 25 minutes [C]. 30 minutes [D]. 40 minutes

Explanation:

No answer description available for this question.

 Bhinda said: (Apr 27, 2016) I think it should be 36 hours.

 Yogi said: (Jul 16, 2016) It is 12 to 36 hours.

 Rajan said: (Jan 26, 2017) I think it is 24 to 48 hrs.

 Vishal said: (Jan 28, 2017) It is 12 to 36 hrs.

 Naveen said: (Aug 14, 2017) It is 12 to 36 hrs.

 Himllen said: (Aug 19, 2017) It's 24 hours.

 Sid said: (Sep 7, 2017) It must be in between 24-48 hrs.

 Shivam Dwivedi said: (Sep 27, 2017) As per IS code specifications the detention period of septic tank is 24 to 48 hours.

 Animesh Mahanty said: (Dec 6, 2017) 24 to 48 hours is correct.

 Shahnawaz said: (Dec 10, 2017) 24 to 48 hours is correct.

 Ritesh Maurya said: (Dec 22, 2017) 30minute is correct.

 Sujju Bhai said: (Jan 11, 2018) It's for skimming tank 40 mins.

 Raj said: (Jan 18, 2018) 24 to 48 hrs is correct.

 Tanu said: (Feb 15, 2018) 12-36 hours is the correct one.

 Mayur said: (Jun 2, 2018) 12 to 36 hours.

 Ranjan Barman said: (Aug 6, 2018) As per I.S, the detention period of septic assumes 30 minutes.

 Kiran Awaradi said: (Feb 22, 2019) The disposal of sewage from the septic tank is done by which of the following? Explanation: Soak pit is a circular pit through which sewage is disposed in the soil. i.e: The septic tank has a long detention period in comparison to sedimentation than with a detention period of 12 to 36 hours.

 Pankaj Kumar Verma said: (Sep 30, 2019) 12-36 hours (but 24hours in designing).