// CODE SNIPPET
Section 1512 High-Velocity Hurricane Zones—General
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These high-velocity hurricane zone roofing requirements with associated roofing application standards (RAS) and testing application standards (TAS) are to be implemented in the HVHZ, or where the jurisdiction having authority has adopted their use.
All roofing components, roofing systems and roofing assemblies for construction regulated by this code shall comply with this chapter. All roofing components, roofing systems and roofing assemblies shall have a valid and current product approval. In the event that the manufacturers published literature or instructions are in conflict with those of the product approval, the product approval shall prevail. Where items specifically and expressly addressed in this chapter are in conflict with the product approval, the provisions of this chapter shall prevail.
Innovative products and/or systems outside those currently recognized under this chapter may have a product approval issued based on performance testing; in such case(s) the conditions set in the product approval shall prevail.
For roofing systems to be installed on a specific building or structure, where an existing product approval may not be applied, such roofing system shall be permitted to be approved on a one-time project basis by the authority having jurisdiction, provided the applicant demonstrates, by testing and/or rational analysis that such roofing system complies with the provision of this code.
Where a product approval does not address a detail for a specific job condition, the permit applicant may propose to the building official an alternate detail to address the specific need of the job. The building official shall be permitted to approve such proposal if it can be demonstrated that the provisions of this code will be met.
All roofing work shall be performed by a qualified contractor licensed to perform roofing, in compliance with the tolerances, quality and methods of construction established herein or set forth in the standards adopted by these high-velocity hurricane zone requirements. Roofing assemblies detailed in the product approval shall be installed in strict compliance with the method of application set forth in such product approval or, if not part of the product approval, in compliance with manufacturer's published application instructions, or as approved by the building official. (Aesthetic issues not affecting the performance of the roof are not part of this chapter.)
Where the architectural appearance of the underside of the roof is to be preserved, an alternate method of attachment complying with the windload requirements of Chapter 16 (HighVelocity Hurricane Zones) may be proposed unless otherwise addressed in Chapter 15. The alternative attachment shall be prepared, signed and sealed by a Floridaregistered architect or a Florida-registered engineer, which architect or engineer shall be proficient in structural design.
Permits outside these high-velocity hurricane zone requirements shall comply with Section 105. Permits within the HVHZ shall be required for all work in connection with the application, repair or maintenance of any roofing component or any roofing assembly and/or any of its components except as otherwise permitted in Section 105 of this code.
All new roofing construction, including recovering and reroofing, repair or maintenance shall have an HVHZ Uniform Roofing Permit Application, as required by the authority having jurisdiction, completed and executed by a licensed contractor.
The HVHZ Uniform Roofing Permit Application shall include calculations in accordance with Chapter 16 (High-Velocity Hurricane Zones) of this code, unless the roofing assembly is less than the height/pressure threshold allowed in the applicable protocols herein.
Attachments to the HVHZ Uniform Roofing Permit Application shall include two copies of each of the following documents: properly executed OWNERS NOTIFICATION FOR ROOFING CONSIDERATIONS herein; the fire directory listing pages, product approval, and applicable detail drawings; the municipal permit application; other components approvals; and any other additional data required by the authority having jurisdiction needed to determine the integrity of the roofing system.
All roofing work for which a permit is required shall be inspected by the building official. One or more inspections may be performed at the same time at the request of the roofing contractor or when feasible. Lack of roofing contractor's personnel at the job site, in and of itself, shall not be cause to fail the inspection. Certain roofing inspections shall be performed during specific phases of the applications as noted below:
For discontinuous roofing systems (as defined herein or in Chapter 2):
During or after application of the base sheet, anchor sheet or underlayment of any roofing system.
During the installation of the cap sheet.
During the installation of any prepared roof covering, such as shingles, tiles, slates, shakes and similar.
Upon completion of all adhesive-set and mortar-set tile systems, and prior to the final inspection, a field verification and static uplift test, in compliance with TAS 106 shall be required to confirm tile adhesion to the underlayment. This test may be required by the building official for mechanically attached tile systems. All results of this test shall be submitted to the building official.
For continuous roofing systems (as defined herein or in Chapter 2):
During application of any roofing system prior to the full concealment of the adhesion/attachment process to the roof deck or to the existing roofing assembly.
In cases where a roof area is less than 1,500 square feet (139 m2), and when the building official is not able to perform any of the above requested inspection in a timely manner, the building official may authorize to continue with the work and may require that satisfactory evidence be provided to show that the covered work was performed in compliance with this code.
After all roofing work has been completed, a final inspection shall be performed by the building official.
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