Well, from U.S. Towers the Registered Professional Engineer (State of
California) requires the base for the TX-455 to be a single pour. "footing
shall be a continuous pour such that cold joints will not develop". About
six yards worth of concrete... But that sure answers any question I may
have had.
Don B.
W6DRB
----- Original Message -----
From: "Tom Sessions" <k4rv@mindspring.com>
To: "TowerTalk" <towertalk@contesting.com>
Sent: Monday, December 02, 2002 2:13 PM
Subject: Re: [Towertalk] Pouring base of tower
>
> Nope, Jim, not so. I asked a true supplier of ready mix concrete. The
> professional supplier of concrete tells me not to worry about this epoxy.
> You say otherwise. Who is correct?
>
> Thanks/73
> Tom K4RV
>
>
> >
> > ----- Original Message -----
> > From: "Jim White, K4OJ" <k4oj@tampabay.rr.com>
> > To: "Tom Sessions" <k4rv@mindspring.com>
> > Cc: "TowerTalk" <towertalk@contesting.com>
> > Sent: Monday, December 02, 2002 21:14
> > Subject: Re: [Towertalk] Pouring base of tower
> >
> >
> > > Tom, sounds to me like you made the error of asking a "Home Center"
> > > person for help... they are only familiar with what they sell and this
> > > is nto a Home Depot type item...
> > >
> > > Go to your telephone book - yellow pages - find concrete additives -
> > > companies that distribute curing compounds, form release agents or
> > > bonding agents will know what you need... they typically deal with the
> > > commercial construction trade and not those who watch Home Time...
> > >
> > > The reason I have not cited any brand names is simple - I do not wish
to
> > > favour oe over another or give the impression that one will wrok where
> > > another will not - there are many competitors in the business find a
> > > distributor and he will sell the line he poromotes and inventories...
> > >
> > > OR use a search engine like Google and type in something like:
> > >
> > > construction epoxy hometown
> > >
> > > (where hometown is a major metropolitan area near you likely to have a
> > > wholesaler of construction products)
> > >
> > > Again, this is not a hardware store or home center type item - it is
> > > normally used in commercial construction - and believe me there will
be
> > > data sheets so you know how to use it properly! Think about the
> > > liability of incorrectly using a product on a high rise building :-)
> > >
> > > 73,
> > >
> > > Jim, K4OJ
> > >
> > >
> > >
> > >
> > > Tom Sessions wrote:
> > >
> > > > Where can the below mentioned epoxies be obtained? What brand or
> > > >product do I ask for when I get there? Is there a website with info
> for
> > the
> > > >epoxies? Maybe I just missed it, but I've been reading about these
> > epoxies
> > > >here on this reflector and have found no specifics on what the
product
> > is-
> > > >just a reference to "epoxy".
> > > >
> > > >Unfortunately??, my local concrete supplier had no idea why epoxy was
> > > >necessary. His advice this morning was to simply just pour a new
batch
> > of
> > > >concrete any ole' time over the old. So which is correct- join two
> > > >separate pours with epoxy- or not?
> > > >
> > > >Thanks/73
> > > >Tom K4RV
> > > >
> > > >
> > > >
> > > >From: "Jim White, K4OJ" <k4oj@tampabay.rr.com>
> > > >To: "Guy Olinger, K2AV" <k2av@contesting.com>
> > > >Cc: <K7LXC@aol.com>; "TowerTalk" <towertalk@contesting.com>
> > > >Sent: Monday, December 02, 2002 05:34
> > > >Subject: Re: [Towertalk] Pouring base of tower
> > > >
> > > >
> > > >
> > > >
> > > >>...ANOTHER COMMERCIAL SITUATION WHERE MULTIPLE PIECES OF CONCRETE
ARE
> > > >>USED IS PILINGS
> > > >>
> > > >>There are pilings made out of reinforced condrete driving into the
> > > >>ground which end up supporting commercial structures....
> > > >>
> > > >>Sometimes these pilings have to go very deep before they hit bedrock
> and
> > > >>become solid enough that the weight of a building will not cause
them
> to
> > > >>sink and the building fall over....
> > > >>
> > > >>These are typicall reinforced concrete sticks.....they are pounded
> into
> > > >>the ground like XXX ground rods when they get so low that they run
out
> > > >>of rod and the ability to withstand weight is still ionsufficient
they
> > > >>glus on another one... that's right - with construction epoxy the
> stick
> > > >>another one on the end of the embedded XXX(s) ... and if that one
ends
> > > >>up being driven its entire length and they still don't have enought
> > > >>resistance, on goes another....
> > > >>
> > > >>Construction epoxies are not that uncommon anymore - while the
> > > >>quantities needed for a tower pad of two pour is significant enough
to
> > > >>buy in bulk - freqently used anchoring systems for threded rod used
to
> > > >>anchor the base of a house wall is sold in caulking type tubes for
use
> > > >>with a special gun that handles the two part mix bia two plungers
> acting
> > > >>in unison to squeeze out the adhesive and hardener simultaneously
when
> > > >>the handle is squeezed (smaller sized offerings are in double barrle
> > > >>syringes for "one bolt" emergency operations) - this has becoime
> cheaper
> > > >>than the old school method of setting anchor bolts in the wet slab
and
> > > >>then drilling the plate at the bottom of the wall to match....a guy
in
> > > >>the field with the rigth tools can march right down the line
drilling
> > > >>the locations for the "to be eposies" thraded rods....
> > > >>
> > > >>As is true of most adhesives - when correctly applied they are
> actually
> > > >>stronger than what they hold together!
> > > >>
> > > >>73,
> > > >>
> > > >>Jim, K4OJ
> > > >>
> > > >>
> > > >>_______________________________________________
> > > >>AN Wireless Self Supporting Towers at discounted prices,
> > > >>See http://www.mscomputer.com
> > > >>
> > > >>Wireless Weather Stations now $349.95. Call Toll Free,
> > > >>888-333-9041 for additional information.
> > > >>_______________________________________________
> > > >>Towertalk mailing list
> > > >>Towertalk@contesting.com
> > > >>http://lists.contesting.com/mailman/listinfo/towertalk
> > > >>
> > > >>
> > > >
> > > >_______________________________________________
> > > >AN Wireless Self Supporting Towers at discounted prices,
> > > >See http://www.mscomputer.com
> > > >
> > > >Wireless Weather Stations now $349.95. Call Toll Free,
> > > >888-333-9041 for additional information.
> > > >_______________________________________________
> > > >Towertalk mailing list
> > > >Towertalk@contesting.com
> > > >http://lists.contesting.com/mailman/listinfo/towertalk
> > > >
> > > >
> > > >
> > >
> > >
> > >
> > > --- StripMime Report -- processed MIME parts ---
> > > multipart/alternative
> > > text/plain (text body -- kept)
> > > text/html
> > > ---
> > > _______________________________________________
> > > AN Wireless Self Supporting Towers at discounted prices,
> > > See http://www.mscomputer.com
> > >
> > > Wireless Weather Stations now $349.95. Call Toll Free,
> > > 888-333-9041 for additional information.
> > > _______________________________________________
> > > Towertalk mailing list
> > > Towertalk@contesting.com
> > > http://lists.contesting.com/mailman/listinfo/towertalk
> >
>
> _______________________________________________
> AN Wireless Self Supporting Towers at discounted prices,
> See http://www.mscomputer.com
>
> Wireless Weather Stations now $349.95. Call Toll Free,
> 888-333-9041 for additional information.
> _______________________________________________
> Towertalk mailing list
> Towertalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
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