I use the water supply fixture unit method to determine the flow into the sump basin 1-if i have AHU condensation discharge to floor drains ( what can i do in this case calculate the Drainage fixture unit value of floor drains or calculate the condensation gpm or take them both ? and what if this floor drain not just used as an indirect receptor only but also for surface drainage? 2-if i have a ramp trench drain discharge in to the sump pit (how to calculate the drainage flow rate in this case? |