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Wind Load on Deep Snow Profile
- To: seaint <seaint(--nospam--at)seaint.org>
- Subject: Wind Load on Deep Snow Profile
- From: "Paul Blomberg" <paul.blomberg(--nospam--at)gmail.com>
- Date: Tue, 10 Jun 2008 11:44:29 -0700
I'm putting together design criteria and am curious how you handle / take into consideration the added projected wind surface area due to built up snow on the roof of a building?
I have a new metal building going into northwestern Montana and the ground snow load is over 120 psf. That is a relatively deep pile of snow. When you put together your load case that combines snow plus wind, do you increase the projected profile of the building to reflect the height of the snow on the roof and the associated wind load?
I normally include this additional snow profile to calc the wind loads but this my first heavy snow load situation where the increased load is significant.