Re: [TowerTalk] RE: Installing Tower Bolts

["FireBrick" <w9ol@billnjudy.com>]

Not really Terry
We are talking about apples and oranges here.
tying the rebar and bolts together is done in NEW pours.
Epoxy bolt installations is for anchoring a new tower base to an old concrete 
base.

Pretty hard to do with already existing concrete.

Totally different  installations.




----- Original Message ----- 
From: "Terry Dunlap" <kk6t@pacbell.net>
To: "FireBrick" <w9ol@billnjudy.com>; "TowerTalk List" <towertalk@contesting.com>
Sent: Friday, October 01, 2004 2:40 PM
Subject: Re: [TowerTalk] RE: Installing Tower Bolts


> This brings up a question that I've had for a while.  It's always 
> recommended that  the bolts get
> tied to the rebar in a new base installation but it seems to be accepted 
> practice to retrofit an
> existing base for a different tower by using epoxy anchors.  These anchors 
> aren't tied to the
> rebar in any way and would be the same as NOT tying bolts in a new 
> pour.  Isn't this a
> contradiction or at least an inconsistency?
>
> 73 de Terry KK6T
>
>
>
> At 10:28 AM 10/1/2004, FireBrick wrote:
> > As a licensed mason contractor I was frequently asked to help DIY hams 
> > pour bases.
> >
> > wire tying rebar to the bolts is a must, both around the perimeter and 
> > with diagonals across the center.
> > In addition, I used bolts above and below the bolt template, well tightened.
> >
> > Those tricks took a few minutes to prepare, but saved many minutes during 
> > and after the pour.
> >
> >
> > ----- Original Message ----- From: "Bill Turini" <wtu@cypress.com>
> > To: <towertalk@contesting.com>
> > Sent: Friday, October 01, 2004 12:18 PM
> > Subject: [TowerTalk] RE: Installing Tower Bolts
> >
> >
> > > There was a comment made regarding welding tower bolts together at the
> > > base to ease installation.  I ran into problems with my recent
> > > installation and have a plan for my next tower base. :-)
> > >
> > > I built the base per the engineering drawings, and hung the 4' long
> > > bolts from the tower baseplate per the factory recommendation. When we
> > > poured the concrete into the hole, the bolts were just hanging there,
> > > flapping the the breeze, so to speak. We had to halt the pour to
> > > reposition the bolts three times, and they never did end up vertical.
> > >
> > > On the next tower, I'm going to tie rebar horizontally across the rebar
> > > cage and secure the bolts to it. That way they'll end up correctly
> > > spaced vertically and horizontally. As I said, they're very close, but
> > > we had a problem keeping them in position during the pour.
> > >
> > > As and aside, the concrete pumper got "constipated" during the pour.
> > > Boy, I never saw grown men work so fast to try to get it cleared! I
> > > guess the thought of all that concrete in the tube and the hopper was a
> > > bit daunting.
> > >
> > > The driver ended up calling in the firm owner and other drivers. I ended
> > > up with four folks from the concrete pump firm doing the pour. My
> > > contractor and his guys just stood and watched.
> > >
> > > Bill
> > >
> > > Bill Turini                         (425) 787-4477
> > > IT & Facilities Manager
> > > Cypress Semiconductor               Lynnwood, WA  98037
> > >
> > >
> > > _______________________________________________
> > >
> > > See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless 
> > > Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with 
> > > any questions and ask for Sherman, W2FLA.
> > >
> > > _______________________________________________
> > > TowerTalk mailing list
> > > TowerTalk@contesting.com
> > > http://lists.contesting.com/mailman/listinfo/towertalk
> >
> >
> > _______________________________________________
> >
> > See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless 
> > Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with 
> > any questions and ask for Sherman, W2FLA.
> >
> > _______________________________________________
> > TowerTalk mailing list
> > TowerTalk@contesting.com
> > http://lists.contesting.com/mailman/listinfo/towertalk

_______________________________________________

See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any questions and ask for Sherman, W2FLA.

_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk