HomeMy WebLinkAboutAPPROVED Dejohn letter-signed
M.A. CORSON & ASSOCIATES, Inc.
ARCHITECTURE * STRUCTURAL DESIGN
412 Colorado Ave., Stuart, Fl. 34994
(772) 223-8227 * Lic. #AR91665
To: St. Lucie County - Building & Code Regulation Division
Date: December 21, 2020
Re: Rory Dejohn
8750 S. Ocean Drive PH-54
Jensen Beach, Fl. , 34957
It is acceptable to replace existing sliding glass doors & window panel walls for the address
listed above with the units as follows:
1) S.G.D.- The EGS International "Atlantic" series aluminum S.G.D. has a Florida number
29677.2. The nominal wind speed is 132 mph and the ultimate wind speed
is 170 mph. It has a +130 / -160 design pressure. It has a small missile "D"
approval and HVHZ.
2) Fixed Glass - The Rampart Series "5500" impact/ aluminum window panel wall system has a
Florida number 21899.2 The nominal wind speed is 132 mph and the ultimate wind speed is
170 mph.with a +100 / -130 design pressure. It has a small missile "D" approval and HVHZ.
SCOPE OF WORK: New sliding glass doors & window panel wall.
DESIGN PARAMETERS AND ASSUMPTIONS USED:
1. DESIGN CODE: Florida Building Code Sixth Edition (2017) with 2020 Supplements using
ASCE 7‐10
2. Structure Designed: Enclosed
3. Risk Category: II Exposure Category: D
4. Design Wind Velocity 170 mph End Zone Width: 4 ft
5. Mean Roof Height 120 ft Roof Pitch: 0:12 Parapet: N/A ft
6. Components & Cladding Design Pressures Used: Zone 4: +58.7 / -63.7 P.S.F. &
Zone 5: +58.7 / -78.5 P.S.F. Worst case scenario has been calculated.
7. Design Loads: Floor: N/A Roof/Dead: N/A Roof/Live: N/A Balcony: N/A Dock: N/A
Deck: N/A Stairs: N/A Fence: N/A Railings: N/A
8. Were Shear Walls Considered For Structure? N/A Not Applicable Explain Why Not:
9. Is A Continuous Load Path Provided? N/A
10. Design Soil Bearing Pressure: N/A Soil Test Reports Submitted? N/A
Thank you for your time and consideration. If you have any questions please call.
Respectfully,
Mark A Corson
Mark A. Corson A.I.A., NCARB
President