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PROJECTED AREA FOR WIND LOAD ESTIMATION FOR ELECTRICAL SUPPORTS

PROJECTED AREA FOR WIND LOAD ESTIMATION FOR ELECTRICAL SUPPORTS

(OP)
Hi Engineers,
I am to design a steel support 1.5m high to carry three electrical panels and a spread foundation as attached. I am looking at using the MWFRS (ASCE 7) procedure in estimating the lateral force. Any ideas on how to estimate the projected area?

RE: PROJECTED AREA FOR WIND LOAD ESTIMATION FOR ELECTRICAL SUPPORTS

Ask the electrical guys how large the panels are.

RE: PROJECTED AREA FOR WIND LOAD ESTIMATION FOR ELECTRICAL SUPPORTS

(OP)
Hi jayrod12
Panel "B" is 550 x 450 x 450 (W x D x H); all in mm
Panel "A"&"C" are 360 x 110 x 250 (W x D x H); all in mm

RE: PROJECTED AREA FOR WIND LOAD ESTIMATION FOR ELECTRICAL SUPPORTS

Sounds like you have all of the information you need.

You know how large each piece is. Since you're describing them as panels, I presume they're solid objects.
You presumably know in what orientation they are mounted.
Visualize or draw said pieces in said orientation as viewed by oncoming wind. There's your projected area.

----
The name is a long story -- just call me Lo.

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