Civil Engineering - Estimating and Costing - Discussion

Discussion Forum : Estimating and Costing - Section 1 (Q.No. 50)
50.
The detention period in a septic tank is assumed
20 minutes
25 minutes
30 minutes
40 minutes
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
25 comments Page 3 of 3.

Rajkumar subedi said:   5 years ago
It must be lies between 12hr to 36hr.

Pradeep said:   4 years ago
30 minutes is a settling period.
(2)

Okia Paul said:   4 years ago
Yes, it's 12 to 36 hrs.
(1)

Sohag Mondal said:   3 years ago
A detention period of 24 to 48 hrs. For tanks serving less than 50 persons and a period of 10 to 18 hrs.

For tanks serving more than 50 persons are generally adopted. The septic tank should be constructed in 2 compartments to facilitate the cleaning of one while the other is in use.
(1)

Niki said:   1 year ago
Agree @Sohag Mondal
.

It is 24 to 48 hr
(1)


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