See “S” Shape
A buildup or ice which forms a dam on the roof covering along the eave of the building.
A dynamic load resulting from the motion of machinery, elevators, craneways, vehicles, and other similar moving forces. See Auxiliary Loads.
A power tool used to tighten nuts on bolts.
A factor that accounts for the degree of hazard to human life and damage to property.
Any material used in building construction to reduce heat transfer.
Pressure inside a building.