Indirect Plumbing Connection Floor Drain

Indirect drain connection using three reducers note.

Indirect plumbing connection floor drain.

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. The compartments must be drained slowly to reduce splash. Homes can either have a direct plumbing system or an indirect plumbing system. Let s start with indirect waste or an indirect drain.

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. A cistern is a tank for storing water. Indirect waste piping shall discharge into the building drainage system through an air gap or air break as set forth in this code. The difference between the two systems are listed below.

To some degree the name defines its function. Discharge through an indirect waste pipe by means of an air gap. This method may be allowed on a case by case basis. The water distribution air gap is defined in chapter 6 and determined by table 603 3 1 see figure 801 2b.

802 1 2 floor drains in food storage areas. 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. Shall not exceed 15 feet 4572 mm. Bolt on funnel for indirect drain waste pipes such as condensate discharge.

Square or circular to suit floor finish. 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. An indirect waste is a drainage piping that runs from a plumbing fixture or appliance and discharges into a separate waste pipe or receptacle. Indirect plumbing systems are found in most homes.

In this kind of plumbing system the rising main feeds the cold water cistern as well as the kitchen tap. For walk in coolers floor drains shall be permitted to be connected to a separate drainage line discharging into an outside receptor. Nonetheless you need context to understand its main purpose. The image on the left shows an indirect drain going through a building wall to the exterior this type of drain may go into a septic system dry well or a municipal storm sewer.

The drainage air gap is not the same as the water distribution air gap. Indirect waste indirect drain. 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.