Also - there is an open starwell that goes to all floors - no firewalls near the stairwell. Will we need to add a firestop wall / fire door to the residential floor / other floors? There is a door to the next door neighbor's roof already to provide an escape location, but no way to stop fumes...
Normally work with mechanical, refrigeration and computer systems engineering...
Need to know what I should be looking for with a 1910 building with a sprinkler system installed. It had a roof leak in one spot for a while that damaged plaster and floor / subfloor but seems to have left all...
