A minimum flat roof snow load pf of 30 psf and ground snow load pg of 43 psf shall be used for sites up to 4 500 mean sea level.
Salt shed roof live load determination.
The chart below may be used to find the minimum ground snow loads at elevations greater than 4 500.
For dead loads you are correct.
However if the attic is intended for storage the attic live load or some portion should also be considered for the design of.
Technically you should use the actual rafter length when adding up the weight of roofing materials.
Loads should be determined in accordance with this chapter.
In order for a structure to be sound and secure the foundation roof and walls must be strong and wind resistant.
This will result in one wall being higher than the other.
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.
Where uniform roof live loads are reduced to less than 20 psf 0 96 kn m 2 in accordance with section 1607 13 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.
As a result the live load dead load and distribution of forces are different.
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.
Adopted by salt lake city snow site specific depending upon elevation.
1 for places of public assembly live loads in excess of 100 psf and for parking garages 0 5 for other live loads ƒ 2 0 7 for roof configurations such as sawtooth that do not shed snow off the structure 0 2 for other roof configurations 02 fanella chapter 02 p005 030 indd 7 26 07 18 7 15 pm.
Additional ventilation requirements may apply to the loader area and an hvac review will be required.
To do this i use conservative too heavy dead loads and full snow loads regardless of pitch.
The salt shed should be stand alone when possibleto lessen the ibc requirements and simplify the dsps review process.
To calculate a saltbox roof select saltbox from the roof type dropdown list or select the corresponding button on the toolbar.
To calculate a shed roof select shed from the roof type dropdown list or click on the corresponding button on the toolbar to calculate a shed roof.
Saltbox roof a saltbox roof is similar to a gable roof but has different slopes and or spans for the front and rear sides of the roof.
Barrier is required between the salt shed and the loader area when the fire area exceeds 5 000 sq.
Unlike the trussed roof live load and dead load of the rafters and ceiling joists must be accounted for as separate systems.
