A random check of horizontal wall room by opening the ceiling in order to verify the integrity of the wall must be local and indigenous construction walls have choked off by the rate of at least 30 minutes fire resistance.
Random check the wall room. By opening the ceiling To ensure the integrity of the wall. A wall of the abdominal floor. And is completely sealed off with fire resistant rate at least 30 minutes.
Random check the walls rest by opening the ceiling to verify the integrity of the wall. Have a stomach walls hit the floor. And filling closed, complete with fire resistance rating of at least 30 minutes.