§ 15-408(4)  SAME; SPECIFICATIONS; LIFT.
   At buildings in which the building drain is too low to permit gravity flow to the public sewer, sanitary sewage carried by such drain shall be lifted by approved artificial means and discharged to the building sewer. The use of any pumping equipment for which cross-connections with a public water supply system are needed, is prohibited. The total costs of pumping equipment and pumping equipment operational costs shall be those of the owner.