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RE: seaint Digest for 25 Jan 2011

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Sounds like a pretty standard pre-engineered mezzanine system.   I don't
imagine the joists are "U"'s, they are generally cold-formed "cee"'s.  If
you are back in Pennsylvania, you probably don't have much seismic load, so
the structure may still be pretty close to current code.

Usually these have either two wall moment connections at the tops of the
columns and pi9nned base columns.   Probably not detailed to current code
standards.  

People still make these.  There used to be an outfit called Curoco in our
area who did a lot of them.  They became Stoltz buildings and I think gave
up on mezzanines.  There is an outfit in San Mateo California called
Innerspace who we have specified.  I imagine that if you look in Sweets
there are national manufacturers listed.

Hope that helps. / eric

-----Original Message-----
From: admin [mailto:admin(--nospam--at)seausa.org] 
Sent: Wednesday, January 26, 2011 12:00 AM
To: engineers(--nospam--at)kembcon.com
Subject: seaint Digest for 25 Jan 2011


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                       seaint Digest for 25 Jan 2011

Topics covered in this issue include:

   1: Library Stack - Free Standing Mezzanines - 1960's
             by "Stuart, Matthew" <MStuart(--nospam--at)Pennoni.com>



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1                                Message:0001                            1
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From: "Stuart, Matthew" <MStuart(--nospam--at)Pennoni.com>
To: "seaint(--nospam--at)seaint.org" <seaint(--nospam--at)seaint.org>
Subject: Library Stack - Free Standing Mezzanines - 1960's

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Looking for information on an existing steel framing system that I came acr=
oss. The system appears to include open topped, U shaped, light gage metal =
floor purlins that support a plywood sub-floor. The U shaped purlins are st=
acked side-by-side and clear span between what appears to be HSS beams with=
tubular ledgers that the purlins bear on. The beams are supported by what =
appears to be HSS columns

I have some photos, but as I recall the List Server can't handle attachment=
s.

Anybody run across the described framing system. I know that it is somewhat=
of a standard off the shelf product as an Architect that I work with that =
specializes in Libraries has indicated that the system was commonly used in=
the 1960 to allow for additional overhead book stack storage space.

D. Matthew Stuart, P.E., S.E., F.ASCE, SECB Structural Division Manager

Pennoni Associates Inc.
One Drexel Plaza
3001 Market Street, 2nd Floor
Philadelphia, PA 19104
Office 215-222-3000 x7895 | Direct 215-254-7895 Fax 215-222-0789 | Mobile
908-309-8657 http://www.pennoni.com<http://www.pennoni.com/> |
mstuart(--nospam--at)pennoni.com<mailt= o:mstuart(--nospam--at)pennoni.com>


--_000_BB0182C373011945891B240BD72507A2024065phlexmail01PENNON_
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<body lang=3D"EN-US" link=3D"blue" vlink=3D"purple"> <div
class=3D"WordSection1"> <p class=3D"MsoNormal"><span
style=3D"font-size:12.0pt;font-family:&quot;Ti=
mes New Roman&quot;,&quot;serif&quot;">Looking for information on an existi=
ng steel framing system that I came across. The system appears to include o=
pen topped, U shaped, light gage metal floor purlins that  support a plywood
sub-floor. The U shaped purlins are stacked side-by-side=  and clear span
between what appears to be HSS beams with tubular ledgers t= hat the purlins
bear on. The beams are supported by what appears to be HSS =
columns<o:p></o:p></span></p> <p class=3D"MsoNormal"><span
style=3D"font-size:12.0pt;font-family:&quot;Ti=
mes New Roman&quot;,&quot;serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Ti=
mes New Roman&quot;,&quot;serif&quot;">I have some photos, but as I recall =
the List Server can&#8217;t handle attachments.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Ti=
mes New Roman&quot;,&quot;serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Ti=
mes New Roman&quot;,&quot;serif&quot;">Anybody run across the described fra=
ming system. I know that it is somewhat of a standard off the shelf product=
as an Architect that I work with that specializes in Libraries  has
indicated that the system was commonly used in the 1960 to allow for a=
dditional overhead book stack storage space.<o:p></o:p></span></p> <p
class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Ti=
mes New Roman&quot;,&quot;serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><b><span style=3D"font-family:&quot;Arial&quot;,&quo=
t;sans-serif&quot;;color:#004631">D. Matthew Stuart, P.E., S.E., F.ASCE, SE=
CB</span></b><b><br> </b><span
style=3D"font-size:8.0pt;font-family:&quot;Arial&quot;,&quot;sans=
-serif&quot;;color:black">Structural Division Manager<br> <br> </span><span
style=3D"font-size:7.5pt;font-family:&quot;Arial&quot;,&quot;s=
ans-serif&quot;;color:black"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><b><span style=3D"font-size:9.0pt;font-family:&quot;=
Arial&quot;,&quot;sans-serif&quot;;color:black">Pennoni Associates Inc.</sp=
an></b><span 
an>style=3D"font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;=
sans-serif&quot;;color:black"><br>
</span><span style=3D"font-size:8.0pt;font-family:&quot;Arial&quot;,&quot;s=
ans-serif&quot;;color:black">One Drexel Plaza<br>
3001 Market Street, 2<sup>nd</sup> Floor<br> Philadelphia, PA 19104<br>
<b>Office</b> 215-222-3000 x7895 | <b>Direct</b> 215-254-7895<br> <b>Fax</b>
215-222-0789 | <b>Mobile</b> 908-309-8657<br> </span><a
href=3D"http://www.pennoni.com/";><span style=3D"font-size:8.0pt;f=
ont-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:#004631">http://w=
ww.pennoni.com</span></a><span style=3D"font-size:8.0pt;font-family:&quot;A=
rial&quot;,&quot;sans-serif&quot;;color:#004631">
</span><span style=3D"font-size:8.0pt;font-family:&quot;Arial&quot;,&quot;s=
ans-serif&quot;;color:black">|</span><span style=3D"font-size:8.0pt;font-fa=
mily:&quot;Arial&quot;,&quot;sans-serif&quot;;color:#004631">
</span><a href=3D"mailto:mstuart(--nospam--at)pennoni.com"><span style=3D"font-size:8.0p=
t;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:#004631">mstua=
rt(--nospam--at)pennoni.com</span></a><o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
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