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HomeMy WebLinkAboutFoca letter-esigned 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: January 27, 2022 Re: Keith Foca Oceana#: S. Condo II Unit#104(Middle unit) 10600 S. Ocean Dr., Jensen Beach, FL 34957 It is acceptable to replace existing single hung window, sliding glass door, &mullion bar for the address listed above with the unit as follows: 1) S.H. -The PGT systems Series "SH 7700A"L.M.I. alum. single hung window has a Florida number NOA-#20-0401.11. It has a+80/-110 design pressure and has a L.M.I. "D" approval and HVHZ. 2) 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. 3)MULL.BARS -The Series "PGT" Clipped Extruded Aluminum Tube Mullion-L.M.I has a Miami Dade NOA#20-0406.03. It has a+170.0/-170.0 design pressure and 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 11 classification and exposure category "D" for the 7th Edition of the FBC(2020). 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 11 classification and exposure category "D" for the 7th Edition of the FBC(2020). SCOPE OF WORK: New single hung window,sliding glass door, &mullion bar. DESIGN PARAMETERS AND ASSUMPTIONS USED: 1. DESIGN CODE: Florida Building Code Seventh 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, Mc'k A C ova`' Mark q Digitally signed Mark A. Corson A.I.A., NCARB by Mark A Corson President Corson Date:2022.01.27 14:46:24-05'00'