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RE: Definition of "Service" Loads

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It does start to get a little muddy, though, when you consider wind and 
seismic.  These loads used to be calculated at the "service" level, and then 
 factored upward for LRFD combinations.  Now, they're calculated at the 
ultimate level and factored downward for allowable stress combinations.

-- Joel

the structural alliance
Joel Adair, PE, LEED AP

-----Original Message-----
From: seaint-seaosc(--nospam--at) [mailto:seaint-seaosc(--nospam--at)] On 
Behalf Of Bill Polhemus Sent: Thursday, June 12, 2014 4:24 PM
To: seaint-seaosc(--nospam--at)
Subject: Re: [SEAINT-SEAOSC] Definition of "Service" Loads

I have never heard or seen any publication, software, etc, that defined 
"service load" as anything other than "loads that occur at the service level." 

A "factored load" is in fact a "factored SERVICE load."

Anyone implying anything else does not understand the term.

William L. Polhemus, Jr. P.E.


> On Jun 12, 2014, at 3:21 PM, Jim Getaz <jgetaz(--nospam--at)> wrote:
> Larry,
> I wish that term would go away. It used to mean unfactored loads, but I
> can never tell these days. "Factored" and "unfactored" are clear to everyone, 
> I think. Jim
> -----Original Message-----

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