Roof Load Residential Nh

2018 international residential code.
Roof load residential nh. On the upcodes website. As an example of what you can find in chapter 8 of the 2018 irc see. In order to stay intact and in place a roof must be able to resist loads both permanent and temporary that are pushing. The states and counties that are not listed for the north roof load zone in paragraph c 3 i a of this section or the middle roof load zone in paragraph c 3 i b of this section are deemed to be within the south roof load zone.
Roof loads are a downward vertical force on the home. Purpose of this web site. Overturning should also consider roof uplift forces unless a separate load path is designed to transfer those forces. The purpose of this web site is to provide ground snow load analysis information and data gathered from all 50 states.
The north zone middle zone and the south zone are identified on the roof load zone map above. The state of new hampshire has adopted building codes which govern both residential and non residential structures. As of september 15 2019 nh state building code uses the 2015 international residential code irc and the 2015 international building code ibc as base standards for the state codes for residential and non residential. This downward imposed load on the home is also known as the snow load.
To figure out the load on your roof take the depth of snow in feet and multiply it by the weight of a cubic foot of snow. All counties c south roof load zone. If your roof is 1 000 square feet the total snow load is 15 000 pounds of snow. 12 for any location in the state of new hampshire you can click on the map below to find the design ground snow load for that location.
2018 international residential code. Contains sections covering roof framing roof sheathing and roof ventilation. If the snow weighs 10 pounds per cubic foot and there are 1 5 feet on the roof each square foot of the roof is getting 15 pounds of pressure. New hampshire department of safety 33 hazen drive concord nh 03305 tdd access.
Case studies have been performed for all cities towns and unincorprated townships in the state and are available in the. The north zone design live load equates to 40 pounds per square foot the middle zone equates to 30 pounds per square foot. Use our new hampshire ground snow loads map to easily determine the ground snow load new hampshire state building code. Roofs are under a lot of pressure.
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.