HomeMy WebLinkAboutMoore letter-esignedM.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: January 27, 2022
Re: Barbara Moore
3100 N. A 1 A Highway (end unit) 1002
Fort Pierce, FL 34949
It is acceptable to replace existing sliding glass door, double hung window, & mullion bar
for the address listed above with the unit as follows:
1) S.G.D. - The International Impact Building Products Series " Titan 90 " aluminum sliding
glass door with reinforcements has a Miami Dade NOA # 20-1202.12. It has a +90 / -90
design pressure. It has a small and large missile "D" approval HVHZ.
2) D.H.- The PGT system series "D.H. 5560" Impact PVC double hung window L.M.I. has a
FL.# 29704.1. It has a +65 /-70 design pressure and has a small & large
missile "D" approval and HVHZ.
3) MULL. BARS - The Series "PGT" Clipped Extruded Aluminum Tube Mullion - L.M.I has a
Miami Dade NOA # 20-0406.03. It has a +170.0 /-170.0 design pressure and has a large
missile "D" approval and HVHZ .
The worst case scenario building design pressures of address listed above in Zone 4 is +58.7 / -
63.7 and Zone 5 is +58.7 / -78.5. The building has a type II classification and exposure category
"D" for the 7th Edition of the FBC (2020).
SCOPE OF WORK: New double hung window, sliding glass door, & mullion bar.
DESIGN PARAMETERS AND ASSUMPTIONS USED:
LDESIGN CODE: Florida Building Code Seventh Edition (2020)
2. Structure Designed: Enclosed
3. Risk Category: II Exposure Category: D
4. Design Wind Velocity 170 mph Nominal Wind Speed 132 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,
M "k/ f1 Corso-w
Mark A. Corson A.I.A., NCARB President
Digitally signed
Mark A by Mark A
Corson
Date:
Corson 2022.01.31
10:00:33-05'00'