The roof snow load is a uniform load on the horizontal projection of the roof.
Roof live load in minnesota.
The minnesota department of commerce requested some initial research be completed to identify opportunities for additional load capacities for these roof components.
The required roof snow loads for minnesota aren t clearly spelled out anywhere but the numbers can be found by using table r301 2 1 of the minnesota administrative rules.
However a south roof load zone home cannot be installed in either a middle or north roof load zone.
The roof shall be designed for the live load indicated in table r301 6 or the snow load indicated.
Psf pounds per square foot.
Square footing sizing table.
Snow load map ground load and roof load map per minnesota rules 1303 1700.
The north zone middle zone and the south zone are identified on the roof load zone map above.
Frost depth map minnesota rules 1303 1600.
D dead load l live load l r live roof load w wind load s snow load e earthquake load r rainwater load or ice water load t effect of material temperature h hydraulic loads from soil f hydraulic loads from fluids.
Schilke civil agricultural engineering montana state university august 1989.
The minimum design roof snow load.
Arch 331 note set 13 1 s2014abn 2.
In areas of the state outside of certified local government jurisdictions the design snow load shall be based on the ground snow loads developed in snow loads for structural design in montana authored by f f.
This issue of live load vs.
The load increases with the use of heavier roofing material.
To calculate roof snow load per residential building code.
Victor staley a building official in the town of brewster mass responds.
G see minnesota rules chapter 1335 flood proofing regulations.
Egress windows for manufactured homes jan.
0 7 x pg ground snow load pf roof snow load roof snow load examples.
A clay tiled roof may have a dead load.
Soil classification and bearing table.
This table says that.
Since the late 1960s and early 1970s roof construction for residential structures has consisted of pre manufactured engineered roof trusses.
Round footing sizing table.
0 7 x 50 psf 35 psf.
F the ground snow loads to be used in determining the design snow loads for buildings and other structures are given in minnesota rules part 1303 1700 ground snow load to verify by county.
The dead load of a typical asphalt shingled wood framed roof is about 15 pounds per square foot.
0 7 x 60 psf 42 psf below line.
Roof load live load design is affected by the shape of the roof whether it is flat curved or pitched.
The north zone design live load equates to 40 pounds per square foot.
