Indirect Plumbing Connection Floor Drain

The drainage air gap is not the same as the water distribution air gap.

Indirect plumbing connection floor drain.

802 1 2 floor drains in food storage areas. Discharge through an indirect waste pipe by means of an air gap. Indirect waste indirect drain. Indirect drain connection using three reducers note.

Let s start with indirect waste or an indirect drain. Bolt on funnel for indirect drain waste pipes such as condensate discharge. Indirect waste piping shall discharge into the building drainage system through an air gap or air break as set forth in this code. An indirect waste is a drainage piping that runs from a plumbing fixture or appliance and discharges into a separate waste pipe or receptacle.

Where a drainage air gap is required by this code the minimum vertical distance as measured from the lowest point of the indirect waste pipe or the fixture outlet to the flood level rim of the receptor shall be not less than 1 inch 25 4 mm. Square or circular to suit floor finish. In this kind of plumbing system the rising main feeds the cold water cistern as well as the kitchen tap. Nonetheless you need context to understand its main purpose.

The difference between the two systems are listed below. Shall not exceed 15 feet 4572 mm. In the center image we see how a proper indirect drain can be set up there should be a minimum of 1 5 of space between the discharge end of the hose to the top of. An air break simply requires that there be no direct physical connection between the fixture indirect waste pipe and the receptor see figure 801 2a.

Floor drains located within walk in refrigerators or freezers in food service and food establishments shall be indirectly connected to the sanitary drainage system by means of an air gap. Indirect plumbing systems are found in most homes. For walk in coolers floor drains shall be permitted to be connected to a separate drainage line discharging into an outside receptor. Floor level 3 compartment or drain board food prep sink sink leg drain line from sink minimum 4 to 2 reducer air break to sewer indirect drain connection using one reducer.

The water distribution air gap is defined in chapter 6 and determined by table 603 3 1 see figure 801 2b. A cistern is a tank for storing water. Removable bottle trap for use with untrapped drain bodies or direct connection gratings. Homes can either have a direct plumbing system or an indirect plumbing system.

The compartments must be drained slowly to reduce splash. Membrane clamp ring for sub surface waterproof layer. Indirect waste pipe for icemaking machines shall be not less than the drain on the unit and in no case less than 3 4 of an inch 20 mm.