General information.

Building fire resistance level II. Class of constructive fire hazard of the building - C 1. Hazard class of building structures - K0. Functional fire hazard class - F4.1 - Schools. Building with longitudinal bearing walls. The walls of the building are made of red brick 640-510 mm thick, internal walls 380 mm, partitions 120-250 mm. Ceilings - prefabricated hollow reinforced concrete slabs. The roof is flat, combined with a roll coating, with an unorganized drain: parapet slabs along the perimeter. There are 4 stairwells in the building - the main staircase and 3 evacuation ones at the ends.