Roof Snow Load New Hampshire

Online service for determining the characteristic value of the snow load with display of the snow load zones in the united states according to asce sei.

Roof snow load new hampshire.

But a new product from a barrington design and manufacturing company could give building owners and municipalities an early warning when heavy snow loads are making roofs dangerously. How much snow is safe on our roof the answer is it s complicated. There is no generic answer for how much snow a roof can handle. The standard practice for a few decades in new hampshire was to build our roofs to support 40 pounds per square foot.

Ft and more if local conditions warrant. A publication can be purchased called ground and roof snow loads for idaho by r. Use the ground snow load for new hampshire developed by the corps of engineers cold regions research and engineering laboratory. Senh members were concerned that the lack of definitive ground snow load guidance for much of new hampshire was resulting in inconsistent design criteria.

Your building s roof load rating should well exceed your town s expected loads. Snow loads in the state of new hampshire according to asce. Snow on the roof. They felt that many engineers and local code officials did not know appropriate values.

Case studies have been performed for all cities towns and unincorprated townships in the state and are available in the publication ground snow loads for new hampshire us army corps of engineers erdc crrel tr 02 6 february 2002. 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. Our phone starts to ring as snow loads build up. In a survey senh conducted in 1995 68 of the 220 towns.

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 majority of nh requires case studies to determine ground snow loads in a specific community. Case studies have been performed for all cities towns and unincorprated townships in the state and are available in the. We recommend a safety margin of at least 10 lbs sq.

Use our new hampshire ground snow loads map to easily determine the ground snow load new hampshire state building 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. Sheikh taheri published by the ui department of civil engineering 1986. Use this information as a guide in constructing a building that will hold up for many years in our rugged climate.

If your roof is 1 000 square feet the total snow load is 15 000 pounds of snow. The publication may be downloaded for.