Psf Roof Load Shed Roof

If the snow weighs 10 pounds per cubic foot and there are 1 5 feet on the roof each square foot of the roof is getting 15 pounds of pressure.

Psf roof load shed roof.

Af pa s appendix a lists a variety of live and dead load combinations for floors ceilings and rafters. See figure 1 headers. For example appendix a indicates that one type of clay tile roof system has a live load value of 20 psf and a dead load value of 15 psf. It is measured in pounds per square foot psf.

Reeds ferry works with eagle metal of dallas tx to ensure the structural integrity of our roof truss. When building a structure it is important to calculate wind load to ensure that the structure can withstand high winds especially if the building is located in an area known for inclement weather. However if the attic is intended for storage the attic live load or some portion should also be considered for the design of. Here each square foot of roof system delivers 50 pounds of live load and 15 pounds of dead load 65 psf total to the structural support system.

All loads are listed as pounds per square foot of horizontal projection footprint area. The water content of snow may range from 3 for very dry snow to 33 for a wet heavy snow to nearly 100 for ice. An inch of water depth weighs 5 2 lbs. As shown in the technical drawing below the reeds ferry standard roof has a load capacity rated at 110 pounds psf more than the highest code requirement.

In order for a structure to be sound and secure the foundation roof and walls must be strong and wind resistant. Many factors influence how a system responds to loading. 2attic loads may be included in the floor live load but a 10 psf attic load is typically used only to size ceiling joists adequately for access purposes. Arch 331 note set 13 1 s2014abn 5 location 2uniform load psf kn m roofs ordinary flat pitched and curved roofs roofs used for roof gardens.

Per horizontal square foot is expected to support nearly 12 inches of wet heavy snow. Thus a roof designed to carry a snow load of 20 lbs.