Download Section for DCA Only - Florida Building Commission

Proposed Modification to the Florida Building Code
Modification #:
Name:
Address:
E-mail:
Phone:
Fax:
Code:
Section #:
Section 553.73, Fla Stat
Mark A. Zehnal
140 West Flagler Street, Suite 1603, Miami, Florida 33130
[email protected]
305-375-4632
305-375-2908
2004 FRC
4402.7.8.10
Text of Modification [additions underlined; deletions stricken]:
R4402.7.8.10
Mortar or adhesive set tiles applied at an incline from 4½ 6:12 up to and including
7:12 shall have the first course of tile (this applies to pan only on two-piece barrel
tile) mechanically fastened with not less than one fastener per tile. As an
alternate, the first course of tile shall be applied in mortar over a single layer of
minimum 20 gauge galvanized wire mesh with openings of not less than ½ inch
(12.7 mm) or greater than 1½ inches (38 mm) with minimum exposure of 12
inches (305 mm) which is mechanically attached to the deck through the
underlayment with approved fasteners and tin-cap when back nailing the cap
sheet. Additionally, for roof inclines of 6:12 up to and including 7:12, every third
tile of every fifth course, shall be mechanically fastened with not less than one
fastener per tile. For roof inclines above 7:12, in addition to the mortar or
adhesive, all tiles shall be mechanically fastened with not less than one fastener
per tile. Apply approved flashing cement to seal all tile fastener penetrations, for
all roof inclines.
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: This Code Modification
will bring the language of FRC R4402.7.8.10 into compliance with the
language and intent of FBC 1518.8.10 and RAS 120 Note #12.
B.
Impact to building and property owners relative to cost of compliance with
code: This should reduce the adhesive/mortar set roof tile installation cost
for Roofing Contractors consequentially reducing the overall cost to
building owners with roof slopes less than 6/12.
C.
Impact to industry relative to cost of compliance with code: Should reduce
adhesive/mortar set roof tile labor cost for roofs less than 6/12.
Official Form 9B-3.047-2004
478184741
Rationale [Provide an explanation of why you would like this Proposed
Modification to the Florida Building Code.]: This Code Modification will allow
the language of FRC R4402.7.8.10 to conform to the language and intent of
FBC 1518.8.10 and RAS 120 Note #12 bringing uniformity to 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: No Change
2.
Strengthens or improves the code, and provides equivalent or better
products, methods, or systems of construction: Brings uniformity
3.
Does not discriminate against materials, products, methods, or systems of
construction of demonstrated capabilities: No Change
4.
Does not degrade the effectiveness of the code: Correct
Section for DCA Only
Committee Action:
Committee Reason:
Commission Action:
Commission Reason:
Official Form 9B-3.047-2004
478184741