| Class | Abbreviation | Description |
|---|---|---|
| Low | LH | Operations with low fire load and small amount of combustible material. |
| Exemple |
|---|
| Schools and other educational facilities (some parts) |
| Office (some parts) |
| Prison |
| Class | Abbreviation | Description |
|---|---|---|
| Normal | OH | Operations where combustible material with normal fire load and normal flammability is handled or manufactured. |
| Exemple | ||||
|---|---|---|---|---|
| Activity | Normal risk class group | |||
| OH1 | OH2 | OH3 | OH4 | |
| Glass and ceramics | Glassworks | |||
| Chemicals | Betongindustri | Film Manufacture | Coloring Soap Factory Photo labs Painting workshop with water-based paint | |
| Mechanical Industry | The plate making | Metal | Electronics Manufacturing Radio Production Garage | |
| Food & Beverage | Slaughterhouse Bakery brewery Confectionery Manufacturing Dairy | Animal Food Factory Corn Mills Dried vegetables Soup Factory Manufacture of sugar | Destilleri | |
| Miscellaneous | Hospitals Hotel restaurant Schools | Laboratories laundry Parking garage Museums | TV studio (smaller) Railway Operating room (technology) Economy buildings (agriculture) | Cinema Theater Concert Hall tobacco Film and TV studio |
| Paper | Bookbinding Carton Manufacturing Paper | Recycled Plant | ||
| Business and office | Office Data center | Shopping Mall | ||
| Material | Leather Manufacture | Carpet manufacturing (excluding rubber and foam) Apparel Manufacturing Fiberboard Factory weaving Linn Factory Mattress manufacturing (excluding foam plastic) | Bumullskvarn Repberedningsfabrik Hemp Processing Factory | |
| Wood and forest products | Woodworking Furniture factory (excluding foam plastic) Furniture Upholstery factory (excluding foam plastic) | Sawmill plywood Production | ||
| Class | Abbreviation | Description |
|---|---|---|
| High production risk | HHP | Operations with combustible materials with high fire load and high combustibility and rapid spread of an intense fire can take place. |
| Exemple | |||
|---|---|---|---|
| Normal risk class group | |||
| HHP1 | HHP2 | HHP3 | HHP4 |
| Linoliumtillverkning Turpentine Factory Wood wool factory Match Manufacturers Painting workshop with solvents printing Plastic manufacture other than OH3 Plastic bearings other than OH3 Rubber Manufacturing Synthetic fiber manufacture (excl. Acrylic) rope- | Cigaretttändartillverkning Tjärtillverkning Buses garage Empty truck garage Railroad car garage Sterarintillverkning Paper Machine Hall Carpet manufacturing including rubber and foam plastic sawmill Chipboard Production Color Production | Cellulose nitrate Manufacture Rubber tires Foam plastic manufacturing Foam Rubber Manufacturing | Fireworks manufacturing |
| Class | Abbreviation | Description |
|---|---|---|
| High storage risk | HHS | Operations with the storage of goods higher than that which includes them in OH3. HHS is divided into four subgroups depending on which material (s) are stored and how they are stored. |