Orange County Florida Wind Loads For Roofs

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.

Orange county florida wind loads for roofs.

If your roof is damaged contact a licensed florida roofing contractor for help. A current wind map was not provided by the county please contact the local government building department for wind speed information. Wind loads for torsional cases are 25 of respective transverse or longitudinal zone load values. Improved requirements for wood to masonry wall interfaces.

Adopt standard that rates asphalt shingles based on wind speed. All wind maps are in pdf format. Roof decks and roof coverings must be. Require improving roof deck nailing when reroofing.

Construction and buildings 2 stories designed with flexible diaphragms need not be designed for torsional load cases. Resulting from design wind speeds except. Section 1504 1 wind resistance of roofs. You only need to fill in either the city and state or the zip code.

Broward county 140 mph and miami dade county 146 mph. Wind zones of 120 mph and up require complete re nailing if the existing 8d nails are not ring shank. Those counties are calhoun dixie flagler nassau. Florida building code section 1619 wind load minimum standard chapter 6 of asce 7 98.

Torsional loading shall apply to all 8 basic load cases applied at each reference corner. Florida building code improvements 2004 2007. Wind maps by county. Counties marked as map not available need to make changes to their wind maps.

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. Allow unvented attics under certain conditions.