Civil Engineering - Water Supply Engineering - Discussion

Discussion Forum : Water Supply Engineering - Section 3 (Q.No. 13)
13.
The fire demand for a city of 50, 000 population, according to Godrich formula, is
40 mld
42 mld
44 mld
48 mld.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
16 comments Page 1 of 2.

Sangilikaruppu said:   4 years ago
Yeah I agree with @Dip.

Because in the Godrich formula, there is only time and population variables are there. In that equation, there is no fire demand quantity that can be calculated.

If I'm wrong then correct me!

Thanks.
(3)

Ujwal k said:   6 years ago
Godrich formula:

Q = 4637 (P)^.5 ( 1 - 0.01 (P)^.5 )
P - population in thousands,
Q - lt / hr.
Q = 4637 (50)^.5 ( 1 - 0.01 (50)^0.5 ) * 24*60.
Lt/ day,
= 44mld.
(4)

Sana Ullah said:   3 years ago
Goodrich's formula. P = 180*t^ (-0.1),

P = Population in thousand.
t = time in days.
Goodrich's formula is to find the peak demand for water not for fire demand.
(2)

Amar KJ said:   6 years ago
Goodrich's formula.

P = 180*t^(-0.1),
P = Population in thousand.
t = time in days.
Goodrich's formula is to find the peak demand for water. Not for fire demand.
(1)

Dhanu said:   8 years ago
Nothing using under writer formula only,

4637*root(50)[1-0.01*root(50)],
30465.7902 lpm,
convert to mld,
43.870 mld = 44 mld.

Dip said:   5 years ago
Godrich's formula is to find the fluctuation of water demand it's not for finding the fire demand.
(1)

Sagar said:   6 years ago
Goodrich formula.

P =1.8(t)^-0.1.
P - peak demand.
t - time in days.

Sai said:   3 years ago
@Chetan.

It's not Houston's formula. It's is a Boston's formula.
(1)

Sagar said:   6 years ago
Generally, for 50 lakh population, the fire demand is 1lpcd.

Heer said:   6 years ago
@Ismaeel.

Millions of a liter per day = MLD.
(2)


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