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RE: 25% snow load is Conservative

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Is the 300 psf snow load a uniform roof snow load or is it a drift loading?
Drifts of 300 psf or greater in Colorado are not uncommon.

> ----------
> From: 	Chris Palmateer[SMTP:chrisp(--nospam--at)vlmk.com]
> Sent: 	Friday, April 17, 1998 7:29 AM
> To: 	seaoc(--nospam--at)seaoc.org; shermanwc(--nospam--at)cdm.com
> Subject: 	RE: 25% snow load is Conservative
> 
> In Colorado you have real powder, in California the powder is referred to
> as 
> Sierra cement.
> 
> ===== Original Message from SHERMANW@SMTP (Bill Sherman)
> {SHERMANWC(--nospam--at)cdm.com} 
> at 17-04-98 6:55 am
> >Brian Veit wrote:
> >
> >> Some counties have chosen to go big, such as Placer Co @ 1/3rd and
> Amador
> >Co
> >(kirkwood) @ 1/2!  In addition, the snow loads in these areas are
> routinely
> >above 300 psf. <
> >
> >At a maximum density of 35 pcf (per UBC Appendix Chapter 16), 300 psf
> would
> >equate to 8 1/2 feet of snow.  Here in Colorado, I have a copy of a
> county
> >requirement for mountain snow loads which lists snow loads by elevation
> and
> >only goes up to 150 psf maximum at 11,000 feet.  (What do you make your
> snow
> >out of in California? :) )
> 
> 
> 
>