Can an engineer design alternate anchorage for a Florida product approval or other product evaluation?

According to Section 1710.8.4 of the Florida Building Code Fifth Edition (2014), “Opening protection components, fasteners, and other parts evaluated by an approved product evaluation entity, certification agency, testing laboratory, architect, or engineer and approved by the holder of the product approval may be interchangeable in opening protection assemblies provided that the opening protection component(s)…

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What opening area should be used for wind pressure determination on a multi-panel product that was tested as an assembly? (How do I calculate the effective opening area on a window or door product?)

In short, this is a legal issue that is ambiguous in the industry. Many product approvals list sliding glass doors which have been tested per ASTM E1996/1886/E330, TAS 201/202/203, etc. at a certain size (i.e. 8′ tall x 12′ wide). Some may insist that the effective area of the opening (for determination of wind pressure)…

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