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Wind Loads on Roof Mounted Solar Panels[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: <seaint(--nospam--at)seaint.org>
- Subject: Wind Loads on Roof Mounted Solar Panels
- From: "Joseph R. Grill" <vveng(--nospam--at)cableone.net>
- Date: Fri, 4 Jun 2010 10:55:28 -0700
I have been asked to check the existing framing on a roof for the installation of a bank of solar panels. The roof is flat and is framed with solid sawn light timber.
I am trying to put together the wind loads on the panels to be used in conjunction with the gravity loading to check the existing framing. I am looking at figure 16-18A as the panels are set at an angle and on frames which are above the roof surface. I think the air flow is “unobstructed”.
I can find no definition of the Load cases A&B. Do these Load Cases have to do with the wind direction? Figure 6-18B shows one wind direction but both load cases A&B. Any help with this question?
I guess as long as I am asking, I am pretty sure 6-18A is correct but should C&C loading be used? I am guessing they will be pretty close to the same.
Joseph R. Grill, PE
Verde Valley Engineering, PLLC
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