HomeMy WebLinkAboutENGINEER LETTER 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:February 15, 2022
Re: Crest Braga
10310 S. Ocean Drive/End Unit 304
Jensen Beach, Fl. , 34954
It is acceptable to replace existing window for the address listed
above with the units as follows:
1) H.R..- The PGT Window Systems "HR"7710A" Impact alum. horizontal roller window has
a Miami Dade NOA#20-0406.04. It has a+80/-110 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 11 classification and exposure category
"D" for the 7th Edition of the FBC(2020).
SCOPE OF WORK: New horizontal roller window.
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 70 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"kl A CorS&vv
Mark A. Corson A.I.A., NCARB
President
Digitally signed
Mark Aby Mark A
Corson
Corson Date: 2022.02.15
09:24:23 -05'00'