Indirect waste pipes shall discharge into and above the flood level of a trapped
open sink or approved receptacle, properly supplied with water, which shall be vented where required by this code
and which shall be located in an accessible ventilated place. An air gap shall exist between the outlet end of the waste
pipe and the flood-level rim of the receiving sink or approved receptacle. The air gap in each instance shall be at least
twice the diameter of the indirect waste pipe. If the indirect waste has sufficient year-round flow to maintain the trap
seal, the sink or receptacle need not be supplied with water. The area of the receptor drain line shall be equal to or
greater than the total area of all lines discharging into it. The size of the receptor drain line shall be a minimum of 2-
inches and the receptor shall be of such size as to prevent overflowing of the receptor, but in no case shall it be less
than 2".
A waste receptor shall be sized for the maximum discharge of all indirectwaste pipes served by the receptor. Receptors shall be installed to prevent ...