Question about the High Velocity Hurricane Zone (HVHZ)
High Velocity Hurricane Zone (HVHZ)
||The High Velocity Hurricane
Zone (HVHZ) is sometimes called The Dade County Code. If you are in
Broward County, Miami-Dade County or The Florida Keys, you are in the
High Velocity Hurricane Zone (HVHZ). In this area, you must have HVHZ
approved products. The wind pressure required or “design pressure” (DP)
is higher and the anchoring method is a little more stringent.
For the rest of the State of Florida, the governing authority is Florida
Building Code (FBC). All products must have FBC approval. The approval
required will depend on which area or zone you are in.
state law, building envelope components such as roofing, shutters,
doors and windows are required to have a Florida Product Approval that
provides evidence that the product is suitable for use in the state of
Florida based on standards set in the current Florida Building Codes.
Specific limitations of use are provided that limits the approved product’s
use to rated
Miami-Dade Notice Of
Notice Of Acceptance (NOA) is a local product approval to meet the code
criteria in the High Velocity Hurricane Zone (HVHZ) as defined by the
Florida Building Codes (FBC).
to the Florida Building Code requirements, the testing is the same. The same
evaluation protocols are followed and the same performance and quality
assurance criteria are required. A product with a statewide Florida Product
Approval that shows “Approved for use in the HVHZ” has met the same testing
standards as a product with a Miami-Dade NOA in compliance with the Florida
Building Codes for both impact and non-impact rated products.
Miami-Dade or Florida
||You can use
either a Miami-Dade NOA or a Florida Product Approval that includes the
approval for use in the HVHZ. Only one is necessary.
allows for the option of either a statewide product approval or local
product approval for use in the HVHZ. Products designated as approved by the
Florida Department of Community Affairs (FDCA) on the department’s Building
Code Information System (http://www.floridabuilding.org)
must be accepted as meeting the Florida Building Code within their
specified limitation of use and such products are available for use
immediately upon approval. Should you have any questions, please contact the
Florida Department of Community Affairs at 850-487-1824.