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Title: RE: ASD vs. LRFD

We've been using Limit States Design (Canadian for LRFD) for a couple up decades up here.  Simply identifying whether connection loads shown on a drawing are "factored" or "unfactored" as a General Note on the drawings is pretty simple. 

I find that using different load factors for different types of loads makes a lot of sense.  Why would I assign the same so-called "safety factor" to loads as diverse as snow drift loads (which are basically wild guesses carried to two significant digits...) and storage tank loads where I know the mass of the contents exactly?

-----Original Message-----
From: Michael Valley [mailto:mtv(--nospam--at)]
Sent: Monday, June 14, 1999 12:42
To: seaint(--nospam--at)
Subject: Re: ASD vs. LRFD


I'll give you a few examples of situations when "LRFD is better."