HomeMy WebLinkAboutEngineer Ltr 2- Mackiw doc 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:November 11, 2021
Re: Martha Mackiw
8750 S. Ocean Drive Unit 1132 (middle)
Jensen Beach,Fl. 34957
It is acceptable to replace existing sliding glass door, &picture window for the address
listed above with the units as follows:
1)F.G. -The Rampart Series "5500" impact/aluminum window wall system has
a Florida number NOA#21899.1 with a+100/-100 design pressure. It has a large
missile "D" approval and HVHZ.
2) S.G.D.-The EGS International Atlantic series "sM 130"'aluminum S.G.D. has a
FL#29677.2 with a+130/-160 design pressure. It 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 fixed glass& sliding glass door.
DESIGN PARAMETERS AND ASSUMPTIONS USED:
LDESIGN CODE: Florida Building Code 7th 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 153 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,
MawklA Corso-w
Mark A. Corson A.I.A.,NCARB
President
Mark Digitally signed by
Mark Corson
Date:2021.11.09
Corson
08:22:23-05'00'