20 Live Load Roof

50 psf x 14ft 700 pounds per lineal foot.

20 live load roof.

However if the attic is intended for storage the attic live load or some portion should also be considered for the design of. 20 psf x 6ft 120 pounds per lineal foot. 10 psf x 6ft 60 pounds per lineal foot. Af pa s appendix a lists a variety of live and dead load combinations for floors ceilings and rafters.

This downward imposed load on the home is also known as the snow load. On a roof with a slope greater than 4 to 12 the live load limit is typically adjusted downward from 20 psf to 15 psf to allow for the relatively greater dead load on the steeper roof. R live roof load symbol lrfd load and resistance factor design r rainwater load or ice water load symbol s snow load symbol. Factors that influence.

The north zone design live load equates to 40 pounds per square foot the middle zone equates to 30 pounds per square foot and the south zone equates to 20 pounds per square foot. The loads are based on adjusted roof snow loads from the governing building code. 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. The north zone middle zone and the south zone are identified on the roof load zone map above.

For roof live loads of 12 psf or 16 psf. 1607 13 4 awnings and canopies. 1020 pounds per lineal foot. For roof live loads less than 20 pounds per square foot psf rafter spans and required e values tabulated for 20 psf shall be permitted to be adjusted in accordance with the fol lowing table.

The uniform design live load in unoccupied landscaped areas on roofs shall be 20 psf 0 958 kn m 2. The uniform design live load for occupied landscaped areas on roofs shall be determined in accordance with table 1607 1. Many factors influence how a system responds to loading. 20 0 96 30 1 44 40 1 92 40 1 92 100 4 79 arch 331 note set 13 1 s2014abn 5 location 2uniform load psf kn m roofs.