What waterproofing is commonly used in farmers' markets, what waterproofing is used in aquatic products areas, and how thick it is; What is waterproof in vegetable and meat area?

1. 1 Open caisson culvert (underground pipeline) is adopted for the drainage system, and a rat isolation net is set up. Manholes should be set at the intersection of the main channel and the shopping channel, and the spacing between manholes should not be greater than 10 m, and floor drains should be set at the counter. The market with underground garage should be designed separately according to the building requirements.

1.2 The sewer of the shopping passage should be designed as a back passage to prevent odor from uploading, and no open ditch is allowed.

1.3 Water supply for commercial sites, meat business areas and cooked food business rooms in water producing areas. At the same time, water supply points are set up in the market for consumers to use.

1.4 The width of the ground drainage trough outside the counter is 0.08m-0. 1m, and the radian depth is 0.03m-0.05m It is made of stainless steel or corrosion-resistant materials, which is easy to clean and disinfect, and is equipped with a floor drain. The drainage trough in the counter should be kept clear, the ground should be dry, and garbage should not be piled up.

1.5 The sewage discharge system shall be equipped with filtration treatment facilities according to the requirements of environmental protection, conforming to GB 8978. The sewage from the urban farmers' market is filtered and connected to the urban sewage pipe network. Necessary sewage treatment facilities should be added to the sewage discharge of rural farmers' markets. Primary slag separation and filtration facilities should be added for sewage discharge in aquatic products and chilled poultry business areas.