HomeMy WebLinkAboutAPPROVED Wright letter-esigned
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: June 22, 2021
Re: Michael Wright
10044 S. Ocean Dr. Unit 803 (middle)
Jensen Beach, FL 34957
It is acceptable to replace existing double hung, single hung, picture window,
sliding glass door, and mullion bar for the address listed above with the units as follows:
1) S.H. - The PGT systems Series "SH 5500A" L.M.I. the pvc single hung window has a Florida
number NOA-#20-0401.03. It has a +65 /-70 design pressure and has a L.M.I. & S.M.I. "D"
approval and HVHZ.
2) D.H.- The PGT system series "SH 5560" Impact PVC double hung window L.M.I. has a
Miami Dade NOA #20-0401.06 . It has a +70 /-110 design pressure and has a small & large
missile "D" approval and HVHZ.
3) P.W.- The PGT systems series "PW 5520A" Impact PVC picture window has a Miami
Dade NOA #20-0401.16. It has a +80 /-110.0 design pressure and has a large missile "D"
approval and HVHZ.
4) S.G.D. - The PGT systems series "5570/2770" Impact rigid white PVCI sliding glass door
has a Miami Dade NOA #21-0205.03. It has a +100 /-100.0 design pressure and has a large
missile "D" approval and HVHZ.
5) 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 addr ess 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 single hung,double hung, picture window, sliding glass door, &
mullion bar.
DESIGN PARAMETERS AND ASSUMPTIONS USED:
1. DESIGN 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 150 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