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M.A. CORSON & ASSOCIATES, Inc.
ARCHITECTURE * STRUCTURAL DESIGN
412 Colorado Ave., Stuart, Fl. 34994
(772) 223-8227 * Lic. #AR91665
Date: March 24, 2020
To: St. Lucie County - Building & Code Regulation Division
Re: Nick Mancinelli
9650 S. Ocean Drive Unit 1704 (Middle Unit)
Jensen Beach, Fl. , 34957
It is acceptable to replace the existing window openings and mullion bars for the address
listed above as follows:
1) D.H./S.H. - The PGT Series "SH7700A" Aluminum Single Hung Window - L.M.I. has a
Miami Dade NOA #18-0430.06. The nominal wind speed is 132 mph and the ultimate wind
speed is 170 mph. It has a +80.0 /-110.0 design pressure and has a small missile "D" approval
and HVHZ .
2) MULLION BARS - The Series "PGT" Clipped Extruded Aluminum Tube Mullion - L.M.I
has a Miami Dade NOA # 17-0630.01. The nominal wind speed is 132 mph and the ultimate
wind speed is 170 mph. It has a +170.0 /-170.0 design pressure and has a small missile "D"
approval and HVHZ .
The actual building design pressures of address listed above in Zone 4 is +58.7/ -63.7 & Zone 5
is +58.7/ -78.5. 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 .
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