This modification makes two key changes.
Roof live load ibc.
1607 12 4 awnings and canopies.
Where uniform roof live loads are reduced to less than 20 psf 0 96 kn m 2 in accordance with section 1607 12 2 1 and are applied to the design of structural members arranged so as to create continuity the reduced roof live load shall be applied to adjacent spans or to alternate spans whichever produces the most unfavorable load effect.
The weight of all landscaping materials shall be considered as dead load and shall be computed on the basis of saturation of the soil.
1603 1 3 roof snow load data the ground snow load pg shall be indicated.
284 2006 international building code structural design 2006 international building code 285 structural design occupancy or use uniform psf concentrated lbs 1.
These loads are not considered to be per manent because of their inherent degree of variability with respect to time see the definition of loads in ibc 202.
Grab bars shower seats and dressing room bench seat systems shall be designed to resist a single concentrated load of 250 pounds 1 11 kn applied in any direction at any point.
An nahb proposal amended the 2015 ibc to restore the traditional 20psf roof live load requirement for porches patios or canopies on one and two family dwellings but the issue remains for multifamily buildings.
Live loads roof live loads snow loads rain loads wind loads and earthquake loads are all examples of variable loads.
The uniform design live load in unoccupied landscaped areas on roofs shall be 20 psf 0 958 kn m2.