Roof Load Residential Nh

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.

Roof load residential nh.

3 3 dead loads dead loads consist of the permanent construction material loads comprising the roof floor wall and foundation systems including claddings finishes and fixed equipment. 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. The north zone design live load equates to 40 pounds per square foot the middle zone equates to 30 pounds per square foot. 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.

The north zone middle zone and the south zone are identified on the roof load zone map above. As an example of what you can find in chapter 8 of the 2018 irc see. 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. Roof loads are a downward vertical force on the home.

All counties c south roof load zone. In order to stay intact and in place a roof must be able to resist loads both permanent and temporary that are pushing. Case studies have been performed for all cities towns and unincorprated townships in the state and are available in the. The purpose of this web site is to provide ground snow load analysis information and data gathered from all 50 states.

New hampshire department of safety 33 hazen drive concord nh 03305 tdd access. Use our new hampshire ground snow loads map to easily determine the ground snow load new hampshire state building code. 2018 international residential code. 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.

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. Roofs are under a lot of pressure. Overturning should also consider roof uplift forces unless a separate load path is designed to transfer those forces. The state of new hampshire has adopted building codes which govern both residential and non residential structures.

Load limits on the roof of a building. Chapter 8 roof ceiling construction. Contains sections covering roof framing roof sheathing and roof ventilation. If your roof is 1 000 square feet the total snow load is 15 000 pounds of snow.

2018 international residential code.