When more than one hydrant against to the ordinary fire are used at the same time, the result that the water pipe network of Kobe City was experimented is analyzed with a purpose of evaluating the function and ability of the hydrant in this paper.
The kobe Fire Department researched ”the combined pressure investigation of the fire fighting pump cars” on June 9, 1986 in order to evaluate the function of the hydrant against to the ordinary fire.
We analyzed relations between the amount of drainage and water pressure from the drainage experiment on the water pipe network of the actual town district under the condition of the caliber size of the water pipe and the number of drainage hydrants.
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