What kind of roof are commonly constructed over large buildings.
Flat roofs
The two metrics use to numerically indicate the pitch of the roof?
Rise and run
Medium and high pitch rules are too steep for firefighters to work on with what type of ladder?
Roof ladder
Unprotected light way open web joys of any material should be expected to fail____in a fire.
Quickly
A significant Hazard of Green design roofs are?
Increased weight from added element
Solar panels should always be treated as though they are?
Energized
Rules typically are not designed to support the same amount of live load as a?
Floor