Have a question regarding hydrant flow tests.

We have received a report where the contractor flow a single 2 1/2" outlet
and gave us static, residual, pitot and calculated flow.  He then performed
another test using the 4 1/2" outlet on the hydrant, again giving us values.

Plotting the graph, is there supposed to be a correlation between the
testing of the 2 1/2" versus the 4 1/2" or are they supposed to be used
separately.  For example, when graphing the 2 1/2" outlet, the 4 1/2" outlet
info should be hitting this line or not??

Also, is a pitot reading of a range of 4 to say 8 on a 4 1/2" outlet valid
data?

We're not sure how to use this info.

Richard
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