Orange County Florida Wind Loads For Roofs

Wind zones of 120 mph and up require complete re nailing if the existing 8d nails are not ring shank.

Orange county florida wind loads for roofs.

Counties marked as map not available need to make changes to their wind maps. Require improving roof deck nailing when reroofing. Improved requirements for roof tile attachment. The florida building code dictates who may work on roofs and the florida roofing laws for when roofs may be reroofed repaired or replaced within or outside of high velocity hurricane zones.

O wind speed search atc wind speed by location o exposure risk category and minimum design loads o roof height and slope o roof covering o roof plan showing module location installation is not allowed closer than 3 feet to valleys ridges or roof edges. Wind maps by county. Those counties are calhoun dixie flagler nassau. Construction and buildings 2 stories designed with flexible diaphragms need not be designed for torsional load cases.

Torsional loading shall apply to all 8 basic load cases applied at each reference corner. Windspeedbyzip is a tool for architects engineers and builders to easily determine the 3 second gust basic windspeed figure 6 1 of asce 7 05 and now design wind speed per asce 7 10 maps for any location in the continental united states to determine the basic windspeed fill in the address below. Florida building code section 1619 wind load minimum standard chapter 6 of asce 7 98. Wind loads for torsional cases are 25 of respective transverse or longitudinal zone load values.

Roof decks and roof coverings must be. Resulting from design wind speeds except. You only need to fill in either the city and state or the zip code. Section 1504 1 wind resistance of roofs.

A current wind map was not provided by the county please contact the local government building department for wind speed information. Broward county 140 mph and miami dade county 146 mph. All wind maps are in pdf format. Allow unvented attics under certain conditions.

Florida building code improvements 2004 2007. In wind zones of 110 mph or less such as alachua county if the roof was secured with 8d nails but not ring shank at a lesser spacing additional ring shank round head nails must be added where necessary to meet the six inch spacing.