ISKRIT / Environment & safety / Fire hazard category
Environment & safety
Fire and explosion hazard categories of rooms and buildings (SP 12.13130)
From the substances present and their quantities the tool computes the explosion overpressure and the specific fire load, then assigns the room and building a hazard category from A to D.
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Free, no sign-up · interface in Russian
Standards
SP 12.13130.2009: categories A, B, V1-V4, G, D.
Input
Substances, their quantities, room area and parameters.
Output
Explosion overpressure, fire load, category.
What it does
- Explosion overpressure
- Specific fire load
- Room category A, B, V1-V4, G, D
- Building category
Free and full version
Free
0 ₽
- Code-based calculations with no run limits
- Input validation and printable results
- Works instantly, no sign-up required
Full version
On request
- Save facilities and rooms
- Export calculations to XLSX
- Substance reference database
- History per facility
Questions
What defines categories A and B?
Explosion overpressure of combustible gases, vapors, and dusts above 5 kPa.
How are V1-V4 assigned?
By the specific fire load in the area under consideration.