Roof Live Load Porch Roof

1603 1 3 roof snow load.

Roof live load porch roof.

State board of building regulations and standards. The live load on a roof is the weight of any temporary objects on the roof. Some conditions may require additional design consideration such as areas subject to drifting snow or sliding snow from roofs above. Determine the load per square foot that the roof must support.

Further in most areas of the united states design winds are produced by either hurricanes or thunderstorms. Axial forces from snow loads and roof live loads should usually not be considered simultaneously with an extreme wind load because they are mutually exclusive on residential sloped roofs. The dead load is constant and is estimated as 10 pounds per square foot for wood framed construction. Those loads act on the deck differently and more substantially than live loads.

The roof load is composed of a dead load and a live load. The roof live load used in the design shall be indicated 780 cmr 1607 11. If you live in the us our snow load calculator compares the total weight on your roof with the permissible load calculated according to the standards issued by the american society of civil engineers regarding the minimum design loads for buildings and other structures asce7 16. Where snow isn t a problem the live load can come from people working on the roof and any equipment they take on to the.