Sun Shade Engineering
PalmSHIELD recognizes that free standing louvered screening requires a great deal of structural engineering to assure this large surface area structure can withstand the latest wind load codes. This level of investment should be met with professional analysis. Responsible designers should be provided with this information in a usable format demonstrating full compliance. PalmSHIELD had provided this analysis herein.
Aruna Sun Shade
Init Sun Shade
Part 1 – Preparation
Structural calculation were prepared by the following structural engineering firm:
Rise Structural Associates
1405 Prairie Parkway
West Fargo, North Dakota
South Dakota License #15041
September 25th, 2024
Sun Shade Design
Part 2 – Design Criteria
Risk Category: III
Wind Speed : 120 mph
Exposure: C
Importance Factor: Open Sign Structure, Case A
Kzt = 1
G = .85
Kz =.85
Kd = .85
Pw: 13.78 psf
Part 3 – Materials
SQ Tube: 1/4″ 6063-T52 Aluminum
Rect. Tube Purlin: 1/8″ 6061-T6 Aluminum
Baseplate: 3/4″ Stainless Steel Bolts
Plate: 3/4″ Aluminum 6061-T6 FB
Part 4 – Design Criteria
The above performance criteria are based on the following critical design characteristics.
Purlins to allow 50% open area based on 4″ spacing and 2″ opening.
Each purlin spans between 2 square tubes.
Part 5 – Engineering
Below is the data stating the specific member sizes required for height and span.
Height = 9′ or 12′
Span: 12′ or 8′
Square Tube: 4″ x 4″ x 1/4″ beam
Square Tube: 4″ x 4″ x 1/4″ column
Rect. Purlin: 2″ wide x 8′ long x 1/8″ thick.
Base Plate: 10″ wide x 10″ long x 3/4″ thick
Part 5 – Disclaimer
PalmSHIELD recognizes that every site has unique site conditions. The above engineering summary is not intended to represent form or fitness for any particular installation. The above engineering is for reference purposes only to demonstrate basic design criteria and performance characteristics. PalmSHIELD strongly recommends that every customer employ engineering within their jurisdiction specific to the installation and site conditions.
