|Subject:||Re: [TowerTalk] antenna height vs hassle|
|From:||W0UN -- John Brosnahan <email@example.com>|
|Date:||Mon, 23 Aug 2004 08:10:06 -0500|
At 07:33 AM 8/23/2004, you wrote:
Wow.... after reading all this about the cost of pumpers and backhoes etc... i have determined i need to move.... when i had the hole for my tower base dug which took the guy less than 20 mins it was $400.00... when i checked on the price of a pumper truck it was $900 just to show up , then there were additional charges for the extra hose he was going to have to use.
You don't need to move--you just need to be a more informed consumer and that is what you are doing by participating in Towertalk.
When dealing with backhoes, and other heavy equipment, you need to determine the hourly rate and the minimum charge and how travel is charged. Some things like cranes are portal-to- portal. You are charged from when the guy left his company yard until he returns back to the company. Some companies have a minimum charge--such as a 2-hour minimum. Ten minutes or two hours--doesn't make a difference--same price. And the prices are a function of location. Here in south-central Texas the rates seem pretty cheap, a backhoe is $60 per hour, unless you have to use their 2,000 pound jackhammer attachment. Then the rate goes to $120 per hour because of the increased maintenance required when using the jackhammer. That pounding from the jackhammer does as much damage to the rig as it does to the rocks! And this $60 rate is charged based on ENGINE time on the backhoe. So when he turns off the machine to do something like greasing the attachments you are not being charged. In other locations they charge you in other ways-- from portal-to-portal or from when he unloads the backhoe from the trailer until he gets it back onto the trailer, etc. So this is something that you need to clarify and even negotiate with the OWNER (not with the OPERATOR unless he is the owner).
Here at the TX qth it is mostly limestone with a little soil on top and the cost of five holes (one tower base and four guy anchor holes for a Rohn 45 foldover) was $1400 and I still wish I had a couple of the holes dug a little deeper. At my CO QTH, where it is all Colorado blow sand, they would have all been dug in less than an hour, and probably would have cost between $100 and $200.
The secret here at my TX qth is an auger than uses carbide tipped blades.
It is what is used to dig (drill!) holes for utility poles and can handle up to a
36 inch diameter auger and drill as deep as 9-1/2 ft. The rig weighs 44,000
pounds and can provide a lot of down-force for the auger to bite in. And it is a
real bargain--there is one within about 20 miles who charges $85 per hour
with NO travel time added and only a TWO hour minimum. My next holes
will be drilled this way. It does take some recalculations on anchors
since they will now be concrete pillers rather than standard Rohn-style
deadman anchors. But they will be SOLID--locked into the limestone.
Good luck--John W0UN
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.
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