HomeMy WebLinkAboutEngineer Ruda letter - Esigned
M.A. CORSON & ASSOCIATES, Inc.
ARCHITECTURE * STRUCTURAL DESIGN
412 Colorado Ave., Stuart, Fl. 34994
(772) 223-8227 * Lic. #AR91665
Date: September 28, 2020
To: St. Lucie County - Building & Code Regulation Division
Re: George Ruda
9940 S. Ocean Drive Unit 109 (Middle)
Jensen Beach, Fl. , 34957
It is acceptable to replace existing sliding glass door opening for the address
listed above with PGT Systems units as follows:
1) S.G.D - The PGT "SGD-670" impact/ alum sliding glass door w/ 90 7 135 degree
corners has a NOA- #19-1126.01. It has a +90 / -140 design pressure and has a large
missile "D" approval and HVHZ .
The actual building design pressures of address listed above in Zone 4 is +57.3 / -62.3 The
building has a type II classification and exposure category "D" for the 6th Edition of the FBC
(2017). Worst case scenario has been calculated.
DESIGN PARAMETERS AND ASSUMPTIONS USED:
1. DESIGN CODE: Florida Building Code Sixth Edition with 2020 Supplements using
ASCE 7‐10
2. Structure Designed as Enclosed
3. Risk Category: II Exposure Category: D
4. Design Wind Velocity 170 mph _ASD _ LRFD End Zone Width: ft
5. Mean Roof Height 80 ft Roof Pitch: 0:12 Parapet: ft
6. Components & Cladding Design Pressures Used: : Zone 4: +57.3 / -62.3 P.S.F. &
Zone 5: +57.3 / -62.3 P.S.F.
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:
Additon or replacement of new windows and doors only.
9. Is A Continuous Load Path Provided? Yes Not Applicable Explain Why Not:
10. Design Soil Bearing Pressure: PSF 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