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Proposed Modification to the Florida Building Code

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					Proposed Modification to the Florida Building Code
Modification #:                         Section 553.73, Fla Stat

Name: Dennis K. Braddy
Address: 465 Pinellas Bayway S. #308, Tierra Verde, FL 33715
E-mail: dbraddy@tampabay.rr.com
Phone: Office 727-368-3165, Cell 407-463-8385
Fax: None
Code: Florida Building Code
Section #: 2002.4.1

Text of Modification [additions underlined; deletions stricken]:
2002.4.1 The following design guides shall be accepted as conforming to accepted
engineering practices:

AAF Guide to Aluminum Construction in High Wind Areas.



Fiscal Impact Statement [Provide documentation of the costs and benefits of the
proposed modifications to the code for each of the following entities. Cost data
should be accompanied by a list of assumptions and supporting documentation.
Explain expected benefits.]:

A.    Impact to local entity relative to enforcement of code: No additional cost for
      local entities in regards to code enforcement.

B.    Impact to building and property owners relative to cost of compliance with
      code: No additional cost impact for home owners as most jurisdictions
      accept engineering from Florida Professional Engineers in accordance with
      Florida Statutes.


C.    Impact to industry relative to cost of compliance with code: No additional
      cost impact to industry as the majority of the screen enclosure industry uses
      engineering from Florida Professional Engineers in accordance with Florida
      Statutes.


Rationale [Provide an explanation of why you would like this Proposed
Modification to the Florida Building Code.]: This proposal is intended to correct a
previous code change which added the guide to the code as a substitute for the code
requirement that screen enclosures be designed in accordance with “accepted
engineering practice”. I believe that this was done without the guide being vetted
through an ANSI style consensus process or at the very least reviewed by a majority of
the FL P.E.s engaged in this practice. I believe that the guide does not meet the
requirements of accepted or good engineering practice. Some of the examples of this
are, the absence of requirements in the guide for minimum temper and alloy, also the
guide does not contain a Scope or Limitations of Use, or any indication of who the guide
Official Form 9B-3.047-2004                    3436abae-5dc9-4acd-902f-dc855d8e0370.rtf
was designed for or adequate instructions on its use. I believe that there is substantial
opportunity for misuse of the guide by homeowners and contractors who are not
qualified to conduct the analysis, engineering calculations and assumptions required to
use the guide properly and safely. In my opinion, this guide has been improperly
accepted by building departments as a simple cookbook recipe for designing and
constructing screen rooms in Florida, which I don’t believe that it is. I believe that the
guide is also being used and accepted for the designing of other aluminum structures
such as Screen Rooms, Screened Walls and Balconies, Glass Enclosures,
Carports/Patio Covers-Attached and Free Standing, Handrails/Guardrails, Mobile Home
Roof-Overs, and Utility Sheds, which are unintended by the code.


Please explain how the proposed modification meets the following requirements:
1. Has a reasonable and substantial connection with the health, safety, and
    welfare of the general public: There is substantial opportunity for misuse of the
    guide by homeowners and contractors who are not qualified to conduct the
    analysis and engineering calculations required to use the guide properly and
    safely. This creates a public safety hazard as the likelihood of catastrophic failure
    in a hurricane is greatly increased.

2.    Strengthens or improves the code, and provides equivalent or better
      products, methods, or systems of construction: Will strengthen the code
      enforcement in many jurisdictions as it will require the involvement of a Licensed
      Florida Professional Engineer in the design of these structures. This proposal will
      also improve the code by removing the practice by building departments to issue
      permits for screen structures that are designed using the guide without further
      review.

3.    Does not discriminate against materials, products, methods, or systems of
      construction of demonstrated capabilities: This proposal actually removes the
      current discrimination against engineered structures as it simply removes an
      unqualified document from the code.

4.    Does not degrade the effectiveness of the code: No, this proposal will upgrade
      the effectiveness of the code through better compliance with the code through
      proper plans review, permitting and inspection.




Official Form 9B-3.047-2004                      3436abae-5dc9-4acd-902f-dc855d8e0370.rtf
Section for DCA Only
Committee Action:

Committee Reason:

Commission Action:

Commission Reason:




Official Form 9B-3.047-2004   3436abae-5dc9-4acd-902f-dc855d8e0370.rtf

				
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