Definition of explosion safety category

Employer
[no-member:pro]Anna[/no-member:pro]Anna
Project parameters
Type of cooperationOne-time project
SectionOther / Miscellaneous
Prepaymentwithout prepayment
Payment methodsCash, Bank transfer, Electronic money
Acceptance of requestsclosed
Project description
It is necessary to determine the category of explosion hazard of the building of agricultural purpose (cowboy).
What initial data are needed for this, the price of the issue, the timing.
What initial data are needed for this, the price of the issue, the timing.