HomeMy WebLinkAboutENG SherknessM.A. CORSON & ASSOCIATES, Inc.
ARCHITECTURE * STRUCTURAL DESIGN
412 Colorado Ave., Stuart, Fl. 34994
(772) 223-8227 * Lic. AAR91665
To: St. Lucie County - Building & Code Regulation Division Date: November 30, 2020
Re: Eric Sherkness
10310 S. Ocean Dr. Unit 508 (middle)
Jensen Beach, FL 34957
It is acceptable to replace existing window and mullion bar for the address listed above as
follows:
1) S.H. - The PGT systems Series "SH 7700A" L.M.I. alum. single hung window has a Florida
number NOA-420-0401.11. The nominal wind speed is 132 mph and the ultimate wind speed is
170 mph. It has a +80 /-110 design pressure and has a Large & Small M.I. "D" approval and
HVHZ.
2) MULLION TUBE - The PGT Window Systems - Series "PGT" Clipped Extruded
Aluminum Tube Mullion - L.M.I. has a Florida number NOA 420-0406.03. The nominal wind
speed is 132 mph and the ultimate wind speed is 170 mph. It has a +170 /-170 design pressure
and has a small 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 6th Edition o�tfie-FB� (20I'n- __ _ _ _ _ -- -- --
SCOPE OF WORK: New single hung window & mullion bar replacement.
DESIGN PARAMETERS AND ASSUMPTIONS USED:
1. DESIGN CODE: Florida Building Code Sixth Edition (2017) with 2020 Supplements using
ASCE 7-10
2. Structure Designed: Enclosed
3. Risk Category: 11 Exposure Category: D
4. Design Wind Velocity 170 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? NIA
��a , '-- £or Q° r- ti4 a and consideration. If you have any questions please call.
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