(a) No form of trap shall be used whose seal depends upon the action of movable parts. No form of trap shall be used with partitions, except in a fixture with an integral trap.
(b) Double trapping of fixtures is prohibited.
(c) Bell or full "S" traps are prohibited.
(d) Back venting within two pipe diameters of the trap weir is prohibited.
(Ord. 1992-101. Passed 1-14-92.)