Mobile Home Roof Load Zones

Alteration permit requirements and inspections.

Mobile home roof load zones.

If you re thinking about buying a prefab home keep in mind that a home built to wind zone 1 cannot be placed by the manufacturer in zones 2 or 3 but a home built to wind zone 3 standards can be placed in lower wind zones. In 3280 305 c it goes into further detail of what the requirements are for each zone. Wind load heating load roof load mobile home manufactured home foundation codes defects. Things get a bit more complicated for wind zones 2 and 3.

This translates to about 70mph in basic wind speeds. Roof loads are a downward vertical force on the home. Zone 3 homes are built to withstand higher speed winds than zones 2 and 1 and are primarily found along the coastline. Form hcd 415 can be submitted to the department via email to.

However a south roof load zone home cannot be installed in either a middle or north roof load zone. Homes designed and constructed to a higher roof load zone can be installed in a lower roof load zone a home designed to a north zone can be installed in a middle or south roof load zone. Other states like colorado parts of michigan and parts of wisconsin have a higher snow load than other parts of the u s. 45 197 s e 2d 883 1973 upholding an order to remove a mobile home from a zoning district that did not permit individual units outside a park.

For example states like alaska and maine have some of the highest snow load requirements. When a manufactured home is not designed to resist the wind loads for high wind areas zone ii or zone iii specified in paragraph c 1 ii of this section the manufactured home and each of its wind resisting parts and portions must be designed for horizontal wind loads of not less than 15 psf and a net uplift roof load of not less than 9 psf. The appropriate thermal zone value used in design is dependent on where the home will be initially installed. Mobile home roof zones snow load ny north of the thruway middle zone 30 psf and all areas s of the thruway southern zone 20 psf check zone ratings on the home s data plate.

Roof load zones vary depending on snow levels in different parts of the u s. Modifying a mobilehome or manufactured home. The net uplift roof load must not be reduced by the dead load of the roof structure for the purposes of engineering design or structural load testing. Homes built for zone 1 should be able to resist horizontal wind loads of no less than 15 psf and upward roof lifting loads of no less than 9 psf.

Mobile home energy zones hvac new york is in thermal zone 3. The hud code stipulates at 3280 506 that the home shall be designed and constructed to conform to one of three thermal load zones.