Minnesota Roof Snow Load Requirements

Square footing sizing table.

Minnesota roof snow load requirements.

Frost depth map minnesota rules 1303 1600. The roof snow load is a uniform load on the horizontal projection of the roof. 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. G see minnesota rules chapter 1335 flood proofing regulations.

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. Use ibc 2003 0 psf 10 psf. You can click on the map below to find the design ground snow load for that location. 1303 1700 for any location in the state of minnesota.

This downward imposed load on the home is also known as the snow load. The state has amended the snow load requirements of the 2006 ibc chapter 1608 2 and the 2006 irc figure r301 2 5 and table r301 2. To find the ground snow load we use section 1303 1700 of the minnesota administrative rules. Snow load map ground load and roof load map per minnesota rules 1303 1700.

0 7 x pg ground snow load pf roof snow load roof snow load examples. The international code council icc is a non profit organization dedicated to developing model codes and standards used in the design build and compliance process. 0 7 x 50 psf 35 psf. The north zone design live load equates to 40 pounds per square foot the middle zone equates to 30 pounds per square foot and the south zone equates to 20 pounds per square foot.

60 ground snow psf below line 50 psf 50 ground snow psf. The state has amended the snow load requirements from the ibc and a snow load map may be found at. Psf pounds per square foot above line 60 psf. The southern portion of minnesota which includes the twin cities metro area uses a ground snow load.

Roof design standards 9 17 maintenance. 0 7 x 60 psf 42 psf below line. To calculate roof snow load per residential building code. Use our minnesota ground snow loads map to easily determine the ground snow load 2007 minnesota state building code.

Egress windows for manufactured homes jan. Once the building is turned over to minnesota state proactive preservation of the roof investment consisting of yearly roof observations with non destructive techniques infrared to document conditions and if necessary provide a basis for roof repairs by the owner. Use ibc 2003 10 psf 20 psf. The north zone middle zone and the south zone are identified on the roof load zone map above.

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.