Two-Compartment Sink

Two-compartment sink is a sink with two separate basins used for manual warewashing. In a typical foodservice setup, one compartment is used for washing with detergent and the second for rinsing. A separate approved sanitising step is still required unless an authorised alternative system is used. Local food-premises rules determine the acceptable configuration and procedure.

Typical wash-and-rinse sequence

1. Pre-clean: scrape and remove food debris from dishes and utensils.
2. Wash: immerse or wash items in the first compartment using the approved detergent and required water conditions.
3. Rinse: remove detergent and loosened soil in the second compartment using clean water.
4. Sanitise: use an approved chemical sanitiser or other permitted method with the required concentration, temperature and contact time.
5. Air-dry: allow items to drain and dry without wiping with a potentially contaminated cloth.

Two-compartment versus three-compartment sink

A three-compartment sink commonly provides separate wash, rinse and sanitise basins. A two-compartment sink requires an approved alternative sanitising arrangement, such as a separate sanitising step or suitable equipment, where permitted by local rules.

Example: a bar may use a two-compartment sink for washing and rinsing glasses, followed by a separate approved sanitising method.

Chef’s note: verify the sink setup, sanitiser concentration and contact time against local requirements and the chemical manufacturer’s label. Washing and rinsing alone do not sanitise food-contact equipment.