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[TowerTalk] New erection

To: <>
Subject: [TowerTalk] New erection
From: (Brian Smithson)
Date: Mon, 8 Nov 1999 13:13:56 -0500
Great site!

One question - it says 'steps engineered by K5RA' - any details? I'm
thinking about something similar. What did he use?


-Brian n8wrl

> -----Original Message-----
> From:
> []On Behalf Of
> Sent: Monday, November 08, 1999 11:58 AM
> To:
> Subject: [TowerTalk] New erection
> Howdy, TowerTalkians --
>       You might want to take a look at the new tower and antenna 
> system of 
> Tim, K5RA. It's 80 feet of Rohn SSV/RTP with a C31-XR and 
> full-sized 2L 40M 
> yagi. The work was done by a crane.
>        Here's what he had to say about it:
> >> I second your endorsement of the concrete vibrator.  Since my hole was
> 11.5 ft sq and 4.5 ft deep (mat base for Rohn SSV tower), and had 1000
> pounds of re-bar in it (44 pieces of #78 bar, 11 ft long), plus the
> steel template and tower base bolts suspended from a wooden bridge over
> the hole, I did not have complete flexibility of where the concrete
> could be dumped.  Also, I ordered my concrete with low slump (it was
> really "stiff") because of the size of the pour.  
> I hired a profession placing crew, and they had two vibrators.  The
> concrete went in and made a pile about two feet high and five feet
> across at the base.  When the man threw the vibrator into it, the pile
> melted like butter in a blast furnace!!  The vibrators made the concrete
> flow over and around the re-bar, and into every extreme of the hole.  No
> shovelling or poking with 2x4s was required.     
> Fortunately, I could have the three trucks drive up to the hole site, so
> I did not have to go with buggies or pumps.  
> By the way, a 126-ft huydraulic motor crane is a great way to put up a
> tower.  If you are interested, photos of my tower party are available at
> Eighty-ft tower, 22 ft mast, and two
> full-size beams up in two hours and five minutes (tower off the blocks
> to climber off the tower). >>
>        Nice job and nice installation.
> Cheers,   Steve   K7LXC
> Tower Tech
> --
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