Commercial 3 Compartment Sink Air Gap Drain

If an nsf approved commercial dishwasher is installed an approved 3 compartment sink is also required.

Commercial 3 compartment sink air gap drain. 6 802 2 1 air gap. 802 1 2 floor drains in food storage areas. The compartments must be drained slowly to reduce splash. Minimum drain size of dishwasher receptor table 82 30 1.

Nsf approved 3 compartment sink. All sinks including mop service sinks shall have mixing faucets or valves. Drain lines from sink minimum 4 to to sewer 2 reducers air breaks indirect drain connection using three reducers note. 1 1 2 i 1 1 2 co.

Establishments needing a separate sink for food preparation such as thawing rinsing or soaking are required to have a stainless steel sink that meets. For discharge pipes or hoses larger than 1 the requirement is that the air gap space height must be at least two 2 times the diameter of the hose above the drain overflow. Most codes state that for an air gap to be legal the space between the top of the drain overflow and the discharge pipe or hose must be at least 2. The air gap between the indirect waste pipe and the flood level rim of the waste receptor shall be a minimum of twice the effective opening of the indirect waste pipe.

The 3 compartment sink must drain to a floor sink or other equivalent receptacle via an indirect connection with a one inch air gap space above the top rim of the floor sink. This method may be allowed on a case by case basis. Sinks with different bowl widths and depths are available. The air break is not to be used for fixtures and equipment.

The 3 compartment sink drain line shall be indirectly plumbed with a minimum 1 inch air gap where permissible. Today aw 3 nikxfix will be plumbing up a 3 compartment sink drain waste line and installing a new drain assembly dump valve. An air break shall be provided between the indirect waste pipe and the trap seal of the waste receptor or standpipe. 3 compartment sinks are large complementary pieces of equipment that can be incorporated into most commercial kitchens.

A three compartment sink can have either a single left or right drainboard or dual drainboards for even more workspace. Minimum size vent table 82 31 3. Each well of a multiple compartment sink shall discharge independently to a waste receptor. Floor level 3 compartment or drain board food prep sink sink leg drain line from sink minimum 4 to 2.