Soil classification and bearing table.
Minnesota roof snow load.
Snow load map ground load and roof load map per minnesota rules 1303 1700.
If you have any questions or concerns about specific ground snow loads within the state of minnesota please call us at 1 425 741 5555.
60 ground snow psf below line 50 psf 50 ground snow psf.
0 7 x 50 psf 35 psf.
To find the ground snow load we use section 1303 1700 of the minnesota administrative rules.
G see minnesota rules chapter 1335 flood proofing regulations.
So how much snow does this equal.
The southern portion of minnesota which includes the twin cities metro area uses a ground snow load of 50 pounds per square foot.
Egress windows for manufactured homes jan.
Roof loads are a downward vertical force on the home.
For the twin cities metro area the roof snow load equals 35 pounds per square foot or 7 x 50.
The north zone middle zone and the south zone are identified on the roof load zone map above.
Psf pounds per square foot above line 60 psf.
A great deal of confusion currently exists among engineers architects recreation specialists and maintenance personnel concerning the proper snow loading to use for the design and maintenance of trail bridges building roofs and other structures in mountainous high snow load areas.
Frost depth map minnesota rules 1303 1600.
The design roof snow load for residential buildings in mn is set by state statutes and is 42 pounds per square foot psf in northern mn and 35 psf in southern mn.
This downward imposed load on the home is also known as the snow load.
Square footing sizing table.
The roof snow load is a uniform load on the horizontal projection of the roof.
The southern portion of minnesota which includes the twin cities metro area uses a ground snow load.
0 7 x 60 psf 42 psf below line.
However many agricultural buildings are built using a 20 psf snow load which would be expected to handle six feet of dry fluffy snow or one foot of wet heavy snow.
Round footing sizing table.
As everyone knows cold fluffy snow is very light while wet snow can be extremely heavy.
The northern portion uses 60 pounds per square foot.
To calculate roof snow load per residential building code.
Roof load live load design is affected by the shape of the roof whether it is flat curved or pitched.
0 7 x pg ground snow load pf roof snow load roof snow load examples.
Why snow load information.