Sathre
Civil/Environmental
- Jan 31, 2014
- 15
Im working on a fire flow model using WaterCAD. I have to meet two requirements - first is maintain 1500gpm @ 20psi while flowing the two highest/remote hydrants simultaneously. The second is to achieve 2000gpm @ 20 psi on the highest hydrant flowed individually. I get the same results for the highest hydrant in both models. I would think the highest hydrant would have better pressure when flowed individually compared to when a second hydrant is flowing at the same time. Anyone know if maybe there is a setting I am missing to make sure the model is flowing both hydrants at the same time when I create my selection set?