The attached sketch is my interpretation of rundown as per NFPA 15, Sec. 126.96.36.199.
can any one help me in this how to interpreted this section?
I am not into NFPA 15,
Check the appendix for that section. There is a diagram showing the set up.
Does not appear that you have the bottom nozzle in the correct place. The second or bottom nozzle looks like it should be at the twelve foot mark.
OHHH I am not an engineer, so you can discount my reply if you want, and I cannot do math.
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