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NRANFIELD
CHITECTS
1683 N.E. 7EN�VN MACH RAID.
7EN5EN MACH, FLORIDA 3 0i= 7
PHONE; 772-203-6032
I X 172-253-560 1
May 30, 2017
Project information:,
Islandia I
9550 S. Ocean Dr.
Jensen Beach, FL
Suite # 903
To whom it may concern:
The following Wind Load Pressure Calculations have been performed at the aforementioned address
utilizing the ASCE-7710 (Part 4- Buildings with height of 90-160 ft) Components and Cladding pressure
formulas and were performed at the request of the Contractor — Natural, Flow.
Building Information : Exposure D - Importance Factor #1
Height: 110 ft — 9"' Floor
Wind Speed: 170 mph
Minimum Required Opening Pressures:
Openings that are 20 sgft to 50 : Zone 4 = +56.6 / -57.2 psf
Zone 5 = +56.6 / -101.6 psf
Openings that are 50 sgft to 100: Zone 4 - +52.4 / -54.8 psf
Zone 5 = +52.4 / -91.8 psf
Openings that are 100 sgft to 500:. Zone 4 = +48.8 / -52.4 psf
Zone 5 = +48.8 / -84.1 psf
If there are any comments or concerns please contact me.
Sincerely,
Stewart Granfield
Granfield Architects PLLC
stewart@granarch.comcastbiz.net
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