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Technical provisions on cold storage of aquatic products are safe
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Technical provisions on cold storage of aquatic products are safe
1. Location

1.1. Built in high and dry place, not flooded or stagnant, convenient for transportation, far from sources of pollution;

         1.2. Having enough stable electricity supply to ensure production;

1.3. Having enough clean water to meet hygiene requirements prescribed by the Ministry of Health.

2. Layout and structure

2.1. Having an area large enough inside and out, arranged to facilitate the reception, loading and unloading, transporting products, avoiding the possibility of cross-contamination of the products; The cold storage floor, buffer room is 0.8-1.4 m high compared to the space around the warehouse, the minimum width of the buffer room is 5 m;

2.2. There are walls separating the establishment from the outside;

2.3. Cold storage has a firm structure, no leak-proof roof, is well insulated;

2.4. Ceiling and walls of cold storage, padding room and packing room, repackage

 (if any) made of durable, non-toxic, non-rust, non-corrosive, non-soaked, well insulated materials; smooth surface, bright color; are easy to clean and disinfect;

2.5. The ground of cold storage, buffer room, changing room, re-packing (if any) must be flat, load-bearing and non-slip;

2.6. Doors of cold storage and buffer rooms are made of durable, non-toxic, stainless, non-absorbent, well-insulated materials with smooth surfaces, and are easy to clean and disinfect; when closed, it must be tight; Membranes at cold storage doors are made of suitable materials;

2.7. Cold storage is designed so that when defrosting, water from the rig, on the ceiling of the warehouse, the warehouse floor is flowing out;

2.8. Buffer rooms and loading and unloading areas must be designed and conveniently designed to prevent and limit hot air and steam entering cold storages and limit fluctuations in temperature when unloading goods;

2.9. Changing rooms for labor protection and toilets are designed and arranged to ensure safety and hygiene;

3. Equipment and facilities for preservation and transportation

3.1. Refrigerating equipment must have sufficient capacity to store the product at the necessary and stable temperature, even when the warehouse is at its maximum; Refrigerant is the type of lip

substances allowed to use, without affecting the environment;

3.2. Pressure equipment containing refrigerant, pipes, heat exchangers must be safe, leak-free and must be tested according to regulations.

3.3 Cargo rack is made of durable, non-toxic, stainless, non-absorbent material, has a firm structure, and is convenient for loading and unloading, easy to clean;

 3.4. Lifting equipment, loading and unloading equipment, vehicles used in cold storage must be made of appropriate materials, no oil leakage, no source of pollution, have a solid structure, convenient design for unloading, transportation, easy to clean, disinfect;

3.5. Having self-recording thermometer installed in an easy-to-see, easy-to-read place, the thermometer has an accuracy of 0.50C. The sensor tip of the thermometer is located at the position with the highest temperature in the warehouse; Thermometers must be periodically calibrated or calibrated.

3.6. In cold storage, there must be labor safety equipment: signal lights, alarm bells are placed at appropriate locations.

4. Lighting system

4.1. Equipped with lighting system which is bright enough for all loading and unloading activities, product transportation, lighting reaches 200 lux in the warehouse and 220 lux in the packaging room and buffer room;

4.2. Lighting in cold storage, repackaging rooms and buffer rooms must be safe and have protective screens.

5. Preserving aquatic products in cold storage

5.1. Frozen aquatic products, before being stored in cold storage, must reach a temperature of -80 ° C at the center of the product, appropriately packaged and labeled according to regulations;

5.2. In the condition of preserving aquatic products, the temperature of cold storage must reach a stability at - 200C ± 20C; product center temperature must reach –180C or lower;

5.3. Do not preserve aquatic products with other foods, in special cases if other foods are stored in cold storage of aquatic products, these foods must be tightly packed, individually arranged and not a source of infection for aquatic products. ;

         5.4. There must be a system of management and monitoring of goods arrangement for internal products

 The warehouse is easily identified;

5.5. When arranging goods in cold storage, in order for cold air to circulate well, the minimum distance between the goods and the floor must be at least 15 cm, and for walls, ceilings, rigs and wind fans: 50 cm; The volume of each shipment must be appropriate, with aisles to ensure convenience for people and means when loading and unloading.

6. Handling and unloading goods in and out of cold storage

6.1. The process of loading and unloading and transporting products in or out of cold storage must use appropriate equipment to unload and transport the product gently, quickly, avoid affecting product quality and avoid an increase in internal temperature. warehouse;

6.2. For refrigerated trucks used for transporting aquatic products, there must be a thermometer to monitor the temperature and ensure the internal air temperature reaches - 180C or lower;

7. Sanitation

7.1. Requirements for cleaning tools, cleaning and disinfection chaatss

a. Equipping sufficient quantities and the right type of specialized means to clean and disinfect cold storage, buffer rooms


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