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Re: Residential Garage (Help!)

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I believe that load area applies to office floor loading, not garages for
vehicle storage. It is intended for items like file cabinets or other heavy
office loads.
John Rose (APA-retired)
Tacoma, WA


Roger Davis wrote:

> The 88 UBC says "2 1/2 feet square" and ASCE7-98 says "2.5 ft2".
> Roger C. Davis
> Architect
> SDS Architects, Inc.
>
> -----Original Message-----
> From:   Neil Moore [mailto:nmoore(--nospam--at)innercite.com]
> Sent:   Thursday, March 28, 2002 12:06 AM
> To:     seaint(--nospam--at)seaint.org
> Subject:        RE: Residential Garage (Help!)
>
> A 2000 lb concentrated wheel load was specified in Section 2302(a) of the
> 1970 UBC.  Apparently the 20 in2 area was added into the  UBC in 1994 as it
> has the black mark in the right side of the margin in Section 1604.3.
>
> And you can certainly argue that the 20 in2 area requirement is a real
> load, especially if you use a car jack to change the tire.  How you spread
> or share this load to adjacent joists or other supports is up to you.  I
> have witnessed some heated conversations about this with at least one
> building department official.
>
> Neil Moore, S.E.
> neil moore and associates
>
> At 08:04 PM 3/27/2002 -0500, you wrote:
> >This is in response to Shamir Ghosn and others who respond to my posting.
> >
> >Am I reading 1607.3.3 correctly ? It says parking garages for storage of
> private or pleasure-type motor vehicle with no repair or refueling shall
> have a floor system designed for a concentrated load of not less than 2000
> lbs acting on an area of 20 sq. inches. 20 sq. inches is only 4.5 in.
> square so that all the 2000 lbs will be concentrated solely to one floor
> joist. If it says 20 in. square then I would have distributed it to 2.78
> sq.ft area as per Shamir suggested. Please respond.
> >
> >The garage floor, by the way, will be finished with 3" (ave.) light weight
> concrete and sloped to drain toward the entrance of the garage.
> >
> >Thanks a lot to those who responded.
> >
> >ASQ, P.E.
>
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