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RE: parking structure live load

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Title: RE: parking structure live load

This probably doesn't need repeating to the learned audience here, but you would use EITHER the snow or the parking load, whichever was greater.  If you've got almost a metre (2.5 feet) of old snow on a parking deck, you probably don't have a lot of cars there too.  Fresh snow is much less dense, and (with few exceptions) the amount that could fall on a parking deck already full of vehicles will be very small.  In those places where a single snowstorm could contribute a significant mass of snow, you are going to see that the snow load controls anyway, since you need to consider the snow load on a structure that remains unplowed all winter.

-----Original Message-----
From: Harold Sprague [mailto:harold.sprague(--nospam--at)]
Sent: Monday, August 16, 1999 12:30
To: 'seaint(--nospam--at)'
Subject: RE: parking structure live load

When I have done surveys, the 50 psf is adequate for passenger car loads.
If you consider top decks you may have to add snow loading and probably
drifting snow provisions.  Often times there are areas that