Spokane County Roof Load

All roofs must be designed to sustain loads as follows.

Spokane county roof load.

1 dead loads plus a minimum unit live load of 30 lb ft2 2 months load duration. Next we installed the new roof before wintry weather arrived. However areas within spokane county have snow loads as high as 150 pounds per foot. The new single ply tpo membrane roofing system comprised these materials.

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. We began by removing the old roof down to the wooden roof deck. Currently the county. 800 27 codes hours monday thursday 7 30 a m.

Monday may 23 2016. However a south roof load zone home cannot be installed in either a middle or north roof load zone. Spokane county and the city of coeur d alene s building officials said not including smaller structures. Spokane county medical examiner facility project details.

Use our roof snow load calculator to determine your design roof snow loads. Ord c35389 section 7. Roof coverings such as shingle tiles rubber plastic or metal must be rated as a class a fire retardant material. This is a requirement for homeowners insurance in washington state and has been built into the local building codes to prevent the use of inferior roof covering products and to help facilitate updating homes from the old roofing products to the new roofing products.

The north zone middle zone and the south zone are identified on the roof load zone. The scout mapping system available on the county website has snow load maps available on one of the layers to the public. Thursday june 30 2016. The basic minimum roof snow load for spokane county is 30 pounds per foot.

Roof load live load design is affected by the shape of the roof whether it is flat curved or pitched. And 2 a vertical net uplift load of 9 lb ft2 1 day load duration. In coeur d alene roof load limits are set at 40 pounds a square foot.