The ground snow load map shown below was scanned from the asce 7 10 figure 7 1.
Roof snow load map maine.
The publication is 20 and may be purchased from msu civil engineering at 406 994.
We have a metal roof though it s slope is very shallow nearly flat 1 of vertical drop for every 10 horizontal.
The purpose of this web site is to provide ground snow load analysis information and data gathered from all 50 states.
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.
You can click on the map below to determine the design ground snow load latitude and longitude and elevation for that location.
The flat roof snow load is calculated using formula 7 3 1.
You can check with the county to find it s required minimum snow load numbers.
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 north zone middle zone and the south zone are identified on the roof load zone map above.
Use ibc 2003 50 psf 100 psf with case study areas.
The snow load that is applied to our structure is not the ground snow load but in most cases the flat roof snow load.
The minimum design roof snow load after allowed reductions shall be 30 psf.
The state has amended the snow load requirements from the ibc and a snow load map may be found at.
Each state has a listing of building code and applicable guidelines for snow loads as well as details about where the snow load information may be found or purchased.
Other considerations for sloped roofs can be found throughout chapter 7 of asce 7 10.
Each county in maine has it s own building code snow load numbers.
You only need to fill in either the city and state or the zip code.
This downward imposed load on the home is also known as the snow load.
Ground snow loads of 684 communities listed aphabetically by town name.
A b c d e f g h 1 j k l m n o p q r s t u v w y.
In this area it seems like everyone is falling in love with metal roofs.
In our case let s assume that our structure has a flat roof roof slope 5.
If you live in the us our snow load calculator compares the total weight on your roof with the permissible load calculated according to the standards issued by the american society of civil engineers regarding the minimum design loads for buildings and other structures asce7 16.
Roof snow loads are based on the historical records for ground snow loads for a given location however the local building authority should always be consulted to determine the correct roof snow load to use for a given site and application.
