HomeMy WebLinkAboutAPPROVED ENGINEER koertner 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: Camille Koertner
8800 S. Ocean Dr.,Unit 1010, (End Unit)
Jensen Beach, FL 34957
It is acceptable to replace existing single hung window, sliding glass door, fixed window and
mullion bar for the address listed above with the units as follows:
1) S.H. -The Eastern Architectural Sys. series "176 SH"vinyl impact single hung window has a
FL#16412.1 with a+70/-85 design pressure. It has a large and small missile"D" approval
and HVHZ.
2) F.G. -The Rampart Series "5500" impact/aluminum window wall system has
a Florida number NOA#21899.1 with a+100/-100 design pressure. It has a large
and small missile "D" approval and HVHZ.
3) S.G.D.-The EGS International Atlantic series "LM 130"' aluminum S.G.D. has a
FL#29677.1 with a+105 /-135 design pressure. It has a large and small missile"D" approval
and HVHZ.
4) MULL BAR. -The Eastern Architectural Sys. series "176 T-Mullion" impact extruded alum
mullion bar FL#17288.1with a+82.7-+106.1 design pressure. It has a large and small
missile "D" approval and HVHZ.
SCOPE OF WORK: New single hung& fixed window, sliding glass door, and mullion bar.
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 60 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, Digitally signed
MG4'kiA Cd- Co
v'S -yv Mark A MarkA
Corson
Date:
Mark A. Corson A.I.A.,NCARB President Corson 2021.03.01
15:45:33-05'00'