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Re: [TowerTalk] Mixing concrete for a base

To: "Tower and HF antenna construction topics." <>
Subject: Re: [TowerTalk] Mixing concrete for a base
From: "Blake Bowers" <>
Reply-to: "Tower and HF antenna construction topics." <>
Date: Thu, 11 Mar 2010 18:17:14 -0600
List-post: <">>
6 bags of cement, 8 cubic feet of sand, and 20 cubic feet of
gravel makes on square yard of concrete - using the 1, 2, 3

It also makes for a terrible day.

Do you just like pain?  I cannot imagine mixing 2.5 yards,
I would use the local redi mix plant.

Don't take your organs to heaven,
heaven knows we need them down here!
Be an organ donor, sign your donor card today.

----- Original Message ----- 
From: "Ed Swiderski, KU4BP" <>
To: "Tower Talk" <>
Sent: Thursday, March 11, 2010 5:57 PM
Subject: [TowerTalk] Mixing concrete for a base

> All,
> I'm considering mixing my own concrete for my installation. Been trying to
> get a grasp on how much cement, gravel and sand to get. My proposed base 
> is
> for 70ft of 25G. Total, with the anchors, is 2.2 cu yds. Call it 2.5 since 
> I
> plan to "bell" the base.
> I was pricing the ingredients today but got a little confused on the 
> amount
> of each needed. I looked at 94 lb bags of cement and 50 lb bags for both 
> the
> sand and gravel. The problem I had was determining how much in cu yds a 
> bag
> would cover. I have seen that a 50 lb bag of sand covers .5 cu yd.
> So what I'm looking for is a formula of some sort so I can figure out how
> much I will need of each. I've heard of the "1-2-3 rule" but not 100% sure
> I'm using it correctly.
> Ed KU4BP
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