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Joseph P. McCarty, Architect, Inc.
900 East 6sceola Street.
Staart,'Florida, 34994
772-287-6735 fax:772-287-4618
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DPR Regist mtion Number 9639
March 31, 2020
St. Lucie County Code Zoning Department
2300 Virginia Avenue
Fort Pierce, Florida 34962
4750 South US highway 1, Fort Pierce, FL34982
To whom it may concern:
Proposed re -roof with Extreme Metal Fabricators, PBR Rib 24ga Steel Roof Panel FBC Section'1507.4.3
Florida Building Code product approval #20745.2
This building is locatedwithin a `B" wind zone and has a Wind speed of 160 mph for risk category II.
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Required design pressure is -38.2 lbs/SF in zone 1. PBR Rib 26GA roof panel provides -45.5 lbs/SF
resistance, method 1.
Required design pressure is -53.9 Ibs/SF in zone 2. PBR Rib 26GA roof panel provides
-102lbs/SF resistance, method 2. :I
Required design pressure is -85.1 lbs/SF in zone 3. PBR Rib 26GA roof panel provide
-102lbs/SF resistance, method 2.
Purlins matching existing are being added to structure to provide purlin spacing 30" on center for method
2 roof installation zones 2 and 3. 3/16" plate is welded to existing,I-beami Then purlin fastened to plate
with (8) tech 5 screws. Add purling mid -span of exiting purlin in zones 21 and 3.
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I hereby certify that Extreme Metal Fabricators, PBR Rib 24ga Steel Roof Panel FBC I ection 1507.4.3
Elori wilding Code product approval #20745.2 meets wind load ,requirements of Florida Building.
Code 2017 axKASCE 7-10.
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ST. LUIC1E