The requirements for the drainage ditch in the food safety operation specification for catering services are as follows:

1. In places where rough processing, cutting and matching, cooking and tableware cleaning and disinfection need to be washed frequently and are easy to wet, the ground should be easy to clean and anti-slip, and have a certain drainage slope and an appropriate drainage system.

2.? The drainage ditch has a certain drainage slope, which is easy to clean and keep unobstructed. No other pipelines are allowed in the ditch, and the joint between the side and bottom surface should have a certain curvature, and a detachable cover plate is provided. Drainage should flow from high clean operation area to low clean operation area to prevent sewage from flowing backwards.

3. The outlet of the drainage ditch is equipped with facilities to prevent the invasion of harmful animals that meet the requirements of Item 11 of this article. The outlet of the drainage ditch is provided with a metal grating or net cover with a mesh aperture less than 6mm, which can effectively prevent the invasion of rats. The exhaust port is equipped with fly prevention facilities.

4. Cleaning of drainage ditch: when it is completed every day or when necessary, shovel most of the dirt in the ditch; Wash the drain with detergent; Brush off the remaining dirt with a brush; Rinse with water.