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Re: Galvanized TC Bolts

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My recollection was tubes of bees wax as lubricant.

Pax e Gratia
Bob Ross
Robert P. Ross, P.E.
Principal Project Manager
Washington Group International,Inc.
Industrial Processes
17320 Red Hill, Suite 300
Irvine, Ca. 92614 
Mobile 562-254-4604
Office 949-222-3978
FAX 949-222-3985
E-mail: Bob.Ross(--nospam--at)WGINT.com

----- Original Message -----
From: Tom.Hunt(--nospam--at)d-fd.com
Date: Wednesday, October 31, 2001 2:11 pm
Subject: Re: Galvanized TC Bolts

> Ken,
> 
> That is correct.  The nuts are totally black from being dipped in 
> theirspecial lubricant.  You can see a couple of examples at:
> 
> http://www.lejeunebolt.com/pages/bolts.html
> 
> Thomas Hunt, S.E.
> Duke/Fluor Daniel
> 
> ----- Forwarded by Tom Hunt/DFD on 10/31/01 02:06 PM -----
>                                                                   
>                                                
>                    "Ken Peoples"                                  
>                                                
>                    <kspeoples@lvt       To:     <Tom.Hunt@d-
> fd.com>                                               
>                    a.net>               cc:                       
>                                                
>                                         Subject:     Re: 
> Galvanized TC Bolts                                      
>                    10/31/01 01:42                                 
>                                                
>                    PM                                             
>                                                
>                                                                   
>                                                
>                                                                   
>                                                
> 
> 
> 
> 
> Tom,
> Thanks for the information.  One other drawback I heard was the 
> possibilityof the twisted off piece (is there a name for that?) 
> falling some great
> distance and going through a hardhat or causing some other damage. 
> Just
> one
> question regarding your comments: are you saying that the nuts for the
> galvanized bolts are black because of the lubricant?
> Thanks,
> Ken
> 
> Kenneth S. Peoples, P. E.
> 
> 
> Lehigh Valley Technical Associates
> 1584 Weaversville Road
> Northampton, PA 18067-9039
> Phone: (610) 262-6345
> Fax: (610) 262-8188
> e-mail: kpeoples(--nospam--at)lvta.net
> 
> ----- Original Message -----
> From: <Tom.Hunt(--nospam--at)d-fd.com>
> To: <seaint(--nospam--at)seaint.org>
> Sent: Wednesday, October 31, 2001 10:33 AM
> Subject: Galvanized TC Bolts
> 
> 
> > Ken,
> >
> > We just completed a major power plant project using all 
> galvanized twist
> > off bolts.  We had no problem with them sticking in the wrench 
> however we
> > had several other issues.  The first was procurement.  
> Apparently the
> only
> > manufacturer that galvanizes their own bolts is LeJeune and the 
> larger> diameters have a long lead time.  Note that ASTM F1852 
> requires that this
> > be "Mechanically Galvanized" as opposed to Hot Dip Galvanized.  
> Other> suppliers buy their bolts from Nucor, Lincoln, Haydon, etc. 
> and have them
> > galvanized by a third party which can create a liability issue if
> something
> > goes wrong.  During our initial pre-installation testing none of our
> > LeJeune supplied bolts passed.  After a long investigation we 
> found that
> > the nuts either had no lubrication or according to the 
> manufacturer they
> > had the wrong type of lubrication.  Currently if you buy 
> galvanized bolts
> > from LeJeune the nut should be almost jet black.  This indicates 
> that it
> > has been dipped in their special "proprietary" lubricant.  Our 
> secondissue
> > was the detailer needs to provide greater wrench clearance for 
> TC bolts.
> > The power tools required are larger than the ones used on 
> regular A325
> > bolts.  See AISC Table 8-5, "Entering and Tightening Clearances,
> > Tension-Control ASTM A325 and A490 Bolts".  We had to special 
> order some
> > extra long extensions because of some very tight clearances.  
> One last
> > issue is that I assume you are using galvanized bolts for an outside
> > application so after the TC bolt is twisted off you have a bare 
> end that
> > will need to be painted with a zinc rich paint.
> >
> > Thomas Hunt, S.E.
> > Duke/Fluor Daniel
> >
> > ----- Forwarded by Tom Hunt/DFD on 10/31/01 07:00 AM -----
> >
> >                     "Ken Peoples"
> >                     <kspeoples@lvt       To:     "Seaint"
> <seaint(--nospam--at)seaint.org>
> >                     a.net>               cc:
> >                                          Subject:     galvanized 
> TC bolts
> >                     10/31/01 05:43
> >                     AM
> >                     Please respond
> >                     to seaint
> >
> >
> >
> >
> >
> >
> > I heard recently that it is not good to specify galvanized TC bolts
> because
> > the galvanized pieces that twist off get stuck in the "wrench" 
> and cause
> > major delays in extracting.  Have any of you experienced this?
> > Thanks,
> > Ken
> >
> > Kenneth S. Peoples, P. E.
> > Lehigh Valley Technical Associates
> > 1584 Weaversville Road
> > Northampton, PA 18067-9039
> > Phone: (610) 262-6345
> > Fax: (610) 262-8188
> > e-mail: kpeoples(--nospam--at)lvta.net
> >
> >
> >
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> 
> 
> 
> 
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