Roof Snow Load Maine

Snow loads are influenced by elevation general weather and moisture patterns slope direction exposure roof or trail bridge configuration and wind direction and severity.

Roof snow load maine.

Edwin nagy at the university of maine department of civil and environmental engineering. Groundsnowbyzip is a tool for architects engineers and builders to easily determine the ground snow load figure 7 1 table 7 1 for alaska of asce 7 05 for any location in the continental united states to determine the design ground snow load fill in the address below. Design ground snow load for acton me 04001. A b c d e f g h 1 j k l m n o p q r s t u v w y.

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. Other considerations for sloped roofs can be found throughout chapter 7 of asce 7 10. The snow load that is applied to our structure is not the ground snow load but in most cases the flat roof snow load. You can check with the county to find it s required minimum snow load numbers.

This downward imposed load on the home is also known as the snow load. Snow load is the downward force on a building s roof caused by the weight of accumulated snow and ice. In our case let s assume that our structure has a flat roof roof slope 5. Overestimation of snow loads can unnecessarily increase the cost of construction.

We have a metal roof though it s slope is very shallow nearly flat 1 of vertical drop for every 10 horizontal. Make sure to not wait for too long though. Each county in maine has it s own building code snow load numbers. The north zone middle zone and the south zone are identified on the roof load zone map above.

Basing on the roof parameters you specified in the first section our snow load calculator displays the maximum allowable snow cover thickness and snow weight. 10 to 12 inches of new snowis equal to one inch of water or about 5 pounds per square footof roof space so you could have up to 4 feet of new snow before the typical roof will become stressed. Ground snow loads of 684 communities listed aphabetically by town name. In this area it seems like everyone is falling in love with metal roofs.

Modern buildings are designed with snow load in mind said dr. The flat roof snow load is calculated using formula 7 3 1.