I am reviewing a sprinkler design submitted for our locality. Their required pressure is under our static pressure, but it exceeds our residual. Are sprinkler designs supposed to have the required pressure of each zone meet static only or residual too? It seems the designer thinks as long as the...
We are attempting to clarify our standards and need some help giving ranges for peaking factors for determining maximum hourly and maximum daily water flow. Our state regs say that under 1000 units can use Q=11.4N^0.544 for determining maximum hourly flow. But I am seeing wide ranges of...
