A water supply shall be deemed to be an approved water supply for purposes of this chapter when the fire flow therefrom complies with the following minimum standards.
Required Fire Flow For Average City | |||
Population | Gallons Per Minute | Million Gallons Per Day | Duration Hours |
Required Fire Flow For Average City | |||
Population | Gallons Per Minute | Million Gallons Per Day | Duration Hours |
1,000 | 1,000 | 1.44 | 4 |
1,500 | 1,250 | 1.80 | 5 |
2,000 | 1,500 | 2.16 | 6 |
3,000 | 1,750 | 2.52 | 7 |
4,000 | 2,000 | 2.88 | 8 |
5,000 | 2,250 | 3.24 | 9 |
6,000 | 2,500 | 3.60 | 10 |
10,000 | 3,000 | 4.32 | 10 |
13,000 | 3,500 | 5.04 | 10 |
17,000 | 4,000 | 5.76 | 10 |
22,000 | 4,500 | 6.48 | 10 |
27,000 | 5,000 | 7.20 | 10 |
33,000 | 5,500 | 7.29 | 10 |
40,000 | 6,000 | 8.64 | 10 |
55,000 | 7,000 | 10.08 | 10 |
75,000 | 8,000 | 11.52 | 10 |
95,000 | 9,000 | 12.96 | 10 |
120,000 | 10,000 | 14.40 | 10 |
150,000 | 11,000 | 15.84 | 10 |
200,000 | 12,000 | 17.28 | 10 |
Over 200,000 population: 12,000 gallons per minute, with 2,000 to 8,000 per minute additional for a second fire, for a 10-hour duration | |||
(1980 Code, § 52.02) (Sup. Rec. Bk. 240, pp. 457—458, adopted 11-15-1972)