Hidrantno omrežje izvajalec preizkuša po tem postopku (skica 1):
&fbco;binary entityId="5a7b6ef8-2abd-4375-96dd-14b73643de8a" type="jpg"&fbcc;
&fbco;binary entityId="5a7b6ef8-2abd-4375-96dd-14b73643de8a" type="jpg"&fbcc;
1. Izmeri in zapiše se statični tlak na hidrantu A in B (to je tlak ps (bar)).
Enačba 1
&fbco;binary entityId="181b9bfe-70f2-48d2-b047-eb22995bf2c5" type="jpg"&fbcc;
&fbco;binary entityId="181b9bfe-70f2-48d2-b047-eb22995bf2c5" type="jpg"&fbcc;
Enačba 2
&fbco;binary entityId="96df7848-d3ca-4f40-8da5-dd7fbcf0fd11" type="jpg"&fbcc;
&fbco;binary entityId="96df7848-d3ca-4f40-8da5-dd7fbcf0fd11" type="jpg"&fbcc;
prx - izbrani tlak, nižji od pr