The Total Discharge Units Calculator can be used to set the Discharge Units property of a Foul runoff using the following calculation:
Total Discharge Units = SUM(Number of Appliances X Discharge Units per Appliance)
System – Changing the system will update the Discharge Units per Appliance to the default values of that system.
Appliance – The type of appliance.
Number of Appliances – The number of appliances of the given type.
Discharge Units per Appliance – The discharge units of a single appliance of the given type.
Total Discharge Units – The total discharge units of all appliances of the given type.
Default Discharge Units per Appliance values
The default Discharge Units per Appliance values come from the following table:
Where a range is given, the midpoint of this range is used in InfoDrainage.
Where a cell is marked as "** Not Permitted." or "- Not used or no data.", that appliance is not available in that system, and the row for it will be disabled.