Leadership

QUESTIONS AND ANSWERS

Issue 15 and Volume 63.

QUESTIONS AND ANSWERS Readers of Fire and Water Engineering are invited to send in questions, which will be answered in the order in which they are received. Nozzle Pressure and Discharge Through Standpipe and Hose Layout. To the Editor:—A fire occurs on the 15th floor of an 18-story building and no connection can be made to standpipe outlet on the 15th floor. One hundred feet of 2 1/2-inch hose is stretched from the 14th floor to the loth with a 1 1/4-inch nozzle, and a 150-foot line from the 13th to 15th with a 1 1/8-inch tip. The standpipe is supplied by two 300-foot lines of 3-inch hose directly from a hydrant at which the pressure is 228.7 pounds. What is the nozzle pressure on each line and what is the discharge through each? See sketch for standpipe details. W. S. K., N. Y. C., Mar. 12, 1918. Fire Dept.…

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