Living Roof Loads

The second trussed roof is designed for a dead load of 160kg m 2 and a live load of 40kg m 2.

Living roof loads.

In my region on cape cod we have a ground snow load design of 25 psf which is a greater design load than the live load 12 psf to 20 psf over an entire roof system. While redeveloping our house we decided to install a living roof on our kitchen roof why you ask. The north zone middle zone and the south zone are identified on the roof load zone map above. Load limits on the roof of a building dead loads.

This is all of the natural stresses imposed upon a roof such as snow loads rain loads and wind loads. I liked the idea of having a bit more greenery in the property we live in central london 2. The venny green roof has shallow substrates on two types of roof the first roof is on shipping containers and is designed for a dead load of 250kg m 2 and live load of 100kg m 2. In other words on a steep roof less material would be stacked in a concentrated area at one time to avoid having it slide off.

Live loads are produced by the use and occupancy of a building. Table 3 4 provides recommended design live loads for residential buildings. Photo by andrew wutke. This website based guide builds on the material and information in our original pdf the diy guide to green living roofs which we published in 2008.

Where snow isn t a problem the. The live load on a roof is the weight of any temporary objects on the roof. 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. Make a normal flat or sloped roof into a beautiful living garden.

Loads include those from human occupants furnishings nonfixed equipment storage and construction and maintenance activities. This is highly regional as weights of snow for example range from 10 to 300 pounds per square foot based on moisture and volume of the snow. This online guide is designed to meet the needs of diy enthusiasts looking to put a green roof on a shed or outhouse builders and landscaper contractors who want to build green roofs. Roof loads are a downward vertical force on the home.

The dead load on a roof is the weight of the roof structure itself along with any permanently attached. The venny green roof melbourne. Roof load live load design is affected by the shape of the roof whether it is flat curved or pitched. This downward imposed load on the home is also known as the snow load.

D dead load l live load l.