What is a Class C and II warehouse? Can you elaborate on that?

First-class warehouse planning highlights:

Judgment basis and storeable items of Class C warehouse:

There are only two restrictions on Class C warehouses, one is solid and one is liquid, and the two types of goods are different in form and danger, so Class C warehouses are also subdivided into [Class C] and [Class C] and [Class CII].

Class C has both liquid and solid, liquid flash point is high and not volatile, belongs to Class C; Solids will burn and will continue to burn when the source is removed, which belongs to category C2.

Almost all high-standard warehouses are C2, and the number of high-standard libraries that are not C2 is very small.

The basis for judging Class C warehouses - liquids with a flash point of not less than 60.

Such as: animal oil, vegetable oil, asphalt, wax, lubricating oil, engine oil, heavy oil, flash point 60 diesel, glycaldehyde, brandy finished product warehouse.

The basis for judging Class C and II warehouses is combustible solids.

Such as: chemical, man-made fibers and their fabrics, paper, cotton, wool, silk, linen and their fabrics, grains, flour, industrial molding sulfur with a particle size greater than or equal to 2mm, natural rubber and its products, bamboo, wood and its products, Chinese herbal medicines, televisions, tape recorders and other electronic products, disk storage room for recorded data in the computer room, fish and meat room in cold storage.

Hope it helps!

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This refers to the fire rating of the building, and specifically, Class C II refers to warehouses used to store combustible solids.

The difference between Class C and Class C warehouses is that the liquid is different, the solid is different, and the liquid droplets are different.

First, the storage liquid is different.

1. Class C warehouse: Class C warehouse can store liquids with flash points greater than or equal to 28 but less than 60.

2. Class C and II warehouses: Class C and II warehouses can store liquids with flash points greater than or equal to 60.

Second, the storage of solids is different.

1. Class C warehouse: Class C warehouse cannot store combustible solids.

2. Class C and II warehouses: Class C and II warehouses can store combustible solids.

Third, the storage of liquid droplets is different.

1. Class C warehouse: Class C warehouse can store dust, fibers, and liquid droplets with a flash point greater than or equal to 60 that can form a floating mixture with air.

2. Class C and II warehouses: Class C and II warehouses cannot store dust, fibers, and liquid droplets with a flash point greater than or equal to 60 that can form a floating mixture with air.

The differences between Class C and D libraries are as follows:

This should be classified according to the fire hazard of stored items, divided into A, B, C, D, and E, and Class A warehouses are stored for Class A items, such as petroleum liquefied gas and gasoline warehouses. Category B items are stored in Category B warehouses, such as kerosene warehouses. Category C items are stored in Category C warehouses, such as furniture warehouses.

Category D generally does not have a spray requirement.

Category C fire protection may have sprinkler requirements, of course, depending on the specific situation, such as area, number of layers, fire resistance level, etc.

There is no classification of C and D in key fire protection units, and Class A, B, C, and E are fire hazard classifications for factories and warehouses, and Class C means that there are more combustibles.

Class C: 1. Liquids with a flash point greater than or equal to 60.

2. Combustible solids.

Category D: Hard-to-burn items.

Category E: Non-incendiary items.

Note: When different fire hazards are stored in the same warehouse or any fire protection zone of the warehouse, the fire hazard of the warehouse or fire protection zone shall be determined according to the category with the greatest danger.

When one of the following conditions is met, it can be determined according to the part with less fire hazard:

1. The proportion of the production part with greater fire risk to the area of this layer or the fire protection zone is less than 5% or the painting section in the D and E workshops is less than 10%, and the fire accident is not enough to spread to other parts or the production part with greater fire risk has taken effective fire prevention measures.

Legal Analysis: Warehouse Standards for Class C Materials:

1. The flash point is greater than or equal to 60 liquids.

2. Combustible solids.

Legal basis: Article 2 of the Standardization Law of the People's Republic of China The standards (including standard samples) mentioned in this law refer to the technical requirements that need to be unified in the fields of agriculture, industry, service industry and social undertakings. Standards include national standards, industry standards, local standards, group standards, and enterprise standards.

National standards are divided into mandatory standards and recommended standards, and industry standards and local standards are recommended standards. Mandatory standards must be enforced. The State encourages the adoption of recommended standards.

Summary. 1. Characteristics of Class A warehouses.

1. Liquids with flash point less than 28; 2. **Gas with lower limit less than 10%; 3. Substances that can decompose by themselves at room temperature or oxidize in the air can lead to rapid spontaneous combustion or **; 4. Substances that can produce combustible gas and cause combustion or ** under the action of water or water vapor in the air at room temperature; 5. Strong oxidant that can easily cause combustion or sulfur in case of acid, heat, impact, friction, catalysis, and flammable inorganic substances such as organic matter or sulfur; 6. Substances that can cause combustion or high quality when they are impacted, rubbed or in contact with oxidants and organic matter; 7. Production in closed equipment where the operating temperature is greater than or equal to the spontaneous ignition point of the substance itself.

2. Characteristics of Class B warehouses.

Class B standard: 1. Liquids with flash point greater than or equal to 28 but less than 60; 2. **Gas with lower limit greater than or equal to 10%; 3. Oxidants that do not belong to class A; 4. Chemically flammable hazardous solids that do not belong to Class A; 5. Combustible gas; 6. Dust, fibers, liquid droplets with a flash point greater than or equal to 60 in the floating state that can form a first-class mixture with air.

What is a Class A warehouse, Class B warehouse, etc., and what are the classification criteria?

1. Characteristics of Class A warehouses 1. Liquids with flash points less than 28; 2. **Gas with lower limit less than 10%; 3. Substances that can decompose by themselves at room temperature or oxidize in the air can lead to rapid spontaneous combustion or **; 4. Substances that can produce combustible gas and cause combustion or ** under the action of water or water vapor in the air at room temperature; 5. Strong oxidant that can easily cause combustion or sulfur in case of acid, heat, impact, friction, catalysis, and flammable inorganic substances such as organic matter or sulfur; 6. Substances that can cause combustion or high quality when they are impacted, rubbed or in contact with oxidants and organic matter; 7. Production in closed equipment where the operating temperature is greater than or equal to the spontaneous ignition point of the substance itself. 2. Characteristics of Class B warehouseClass B standard: 1. Liquid with a flash point greater than or equal to 28 but less than 60; 2. **Gas with lower limit greater than or equal to 10%; 3. Oxidants that do not belong to class A; 4. Chemically flammable hazardous solids that do not belong to Class A; 5. Combustible gas; 6. Dust, fibers, liquid droplets with a flash point greater than or equal to 60 in the floating state that can form a first-class mixture with air.

1) The attributes of the items that can be stored in Class A warehouses are similar, and the categories are no longer subdivided during design and construction; Class A warehouses can store all items of Class A items 1-6. Class A spontaneous combustion is explosive and strong oxidation, and a large number of harmful gases will be produced during combustion. Class A warehouses ≠ dangerous goods warehouses (the two are issued by different authorities, and there are differences in judgment standards, so they cannot be equated).

2) Because of the differences in the shape and danger of objects stored in the same type of warehouse, warehouse B is subdivided into [Class B] and [Class B II] warehouses, Class B can store Class B items, and Class B and Class B can store items.