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.
Floor loading standards residential.
For the bottom floor of a single story residence no basement.
The dead load on a floor is determined by the materials used in the floor s construction.
Load types loads used in design load equations are given letters by type.
By contrast the span charts in as1684 are limited only to residential floor live loads of 1 5kpa 1 8kn.
Foot ceiling construction gypsum sheetrock finish 10psf floor construction carpet or vinyl 10 psf hardwood floor 12 psf ceramic tile 15 psf.
Total dead loads 6 2 2 8 1 0 10 0 psf live load 20 psf.
A typical wood frame floor covered with carpet or vinyl flooring has a dead load of about 8 pounds per square foot.
Dead loads cont d typical weights of horizontal systems roof construction asphalt shingles 15 psf pounds per sq.
If the floor trusses support load bearing walls that carry upper level floor and or roof.
However if the attic is intended for storage the attic live load or some portion should also be considered for the design of.
In the case of a residential structure this minimum standard live load factor for main living areas is 40lb ft2 1 9 kpa.
May be less depending on roof slope.
If there s wall board covered ceiling suspended from the underside of that floor the dead load increases to about 10 pounds per square foot.
They are legally backed by the engineering profession.
D dead load l live load l r live roof load w wind load.