Roof Snow Load Kirkland

Use our roof snow load calculator to determine your design roof snow loads.

Roof snow load kirkland.

The snow load that is applied to our structure is not the ground snow load but in most cases the flat roof snow load. Psf as defined in k c c. This downward imposed load on the home is also known as the snow load. Department means the department of.

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. The minimum roof snow load in king county is 25. Calling 425 587 3600 or coming in to kirkland city hall to speak with us. Why snow load information.

If you have any questions or concerns about specific ground snow loads within the state of washington please call us at 1 425 741 5555. In our case let s assume that our structure has a flat roof roof slope 5. The carport roof shall be able to support a minimum of 25 psf for snow load. Schilke civil agricultural engineering montana state university august 1989.

Development and environmental services of king county. In addition to actual dead loads for gravity design seismic and wind loads shall be considered for lateral design. The flat roof snow load is calculated using formula 7 3 1. The sloped roof snow load p s shall be obtained by multiplying the flat roof snow load p f by the roof slope factor c s.

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. Ground snow and rain loads ground snow load rain load for the province of ontario as tabulated in appendix c of nbc 1995 name of location cambridge 1 50 31 32 0 40 8 35 campbellford 1 60 33 41 0 40 8 35 cannington 2 00 41 76 0 40 8 35 carleton place 2 30 48 02 0 40 8 35 cavan 1 80 37 58 0 40 8 35 centralia 2 10 43 85 0 40 8 35 chapleau 3 70 77. 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. P s c s p f the thermal factor c t from table e 3 determines if a roof is cold or warm slippery surface values shall be used only where the roof s surface is unobstructed and sufficient space is available below the eaves to accept all the sliding snow.

Step 3 apply for a building permit. The minimum design roof snow load.