HomeMy WebLinkAboutAPPROVED Justice letter-signed 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: March 1, 2021
Re: Dale & Marilyn Justice
3100 N. AlA Highway(end unit) 1001
Fort Pierce, FL 34949
It is acceptable to replace existing sliding glass door and window for the address listed
above with the units as follows:
1) S.G.D.-The PGT "770" series aluminum S.G.D. has a Miami Dade NOA#20-0429.09.
The nominal wind speed is 132 mph and the ultimate wind speed is 170 mph.
It has a+90/-90 design pressure. It has a small and large missile "D"
approval HVHZ.
2) D.H.- The PGT Window Systems "SH 5560" Impact PVC double hung window L.M.I. has a
Miami Dade NOA#20-0401.06 The nominal wind speed is 132 mph and the ultimate wind speed
is 170 mph. It has a+70/-110 design pressure and has a small& large missile"D" approval and
HVHZ.
SCOPE OF WORK: New sliding glass door and double hung window.
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: II Exposure Category: D
4. Design Wind Velocity 170 mph End Zone Width: 4 ft
5. Mean Roof Height 120 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,
Mcwk/A C aY Y V M a r k A Digitally signed
by Mark A Corson
Mark A. Corson A.I.A.,NCARB Date:2021.03.01
President Corson 15:03:26-05'00'