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seefoo

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Reply with quote  #1 
Hole is dug, 2.5 ft deep, 2.5 feet across. 13 bags of 80 lb concrete poured. So, the question is how long to wait until I install the BUD on that pole? It's around 90 degrees during the day.

Yes it's sched 40, 3.5 inch OD with 1/4 inch wall. I have rebar N/S and E/W near the bottom. Because I knew you would ask.

Dave
big_hemi

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Reply with quote  #2 
Personally I would wait 72hrs. Also I would toss some cool water on it once or twice a day.
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seefoo

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Reply with quote  #3 
Big Hemi.... I poured the concrete Sunday afternoon and was planning on putting the BUD on this Friday.  I have keeping water on it a couple times a day too. I'm very happy that you and I are basically on the same page for the install. I had a guy at work tell me I should wait at least three weeks. I think that the last one that I installed 20 years ago was put on the pole after three days of concrete pouring. I appreciate your taking the time to reply.

Dave
Mike

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Reply with quote  #4 
I waited 5 days earlier this summer.
2.5' deep. 14 bags of cement. 4.5 inch pole for a 10 ft dish
Weather in the 90's.
So far so good....
Moke

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Reply with quote  #5 
Unless you have added a specific chemical product to the concrete mixture that would reduce the curing time, you should wait a minimum of 1 week before putting any load or stress on the pole. 10 days to 2 weeks would be even better.
seefoo

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Reply with quote  #6 
Wow,,, that's quite a diverse set of opinions... 3 days, 5 days, 10 day, two weeks... Perhaps each responder have different type buds.  Mine is 10 ft mesh. I'm going to have to flip a coin here.  

It's nice that folks on this site reply and want to help.  THANX,

dave
Warped

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Reply with quote  #7 
What's a few more days or a week or two.
I wish I could plant a pole for a 10'-12'
Already shimmed a ~2.8" "patio mount"  to 4" for my 7.5' unimesh lol

Get it right the first time.  maybe you can put the mount on without much wind load of the dish itself?
Good Luck!
Joe

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Reply with quote  #8 
I put my 12' up, after 24 hr's,  5 sacks of quick crete,  3' deep

I haven't had any problems, go for it Friday
seefoo

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Reply with quote  #9 
Joe.... Only five sacks?  How many pounds were they?  I used 13 bags of 80 pounds each. But, I'm encouraged.

dave
dl76

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Reply with quote  #10 
The rental home i was in few years back , one 80 pound bag of quickcrete.  3.5 inch od , 9 foot 6 inches long. Set pole in ground  3 foot 6 inches. let set for 2 days. put up 10 foot mesh. It made it 2 years no problems, even winds up to 70 mph.  Only reason i only poured 1 bag, i knew i was going to dig up within a few years.
seefoo

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Reply with quote  #11 
That is amazing. One bag for a 3.5 ft hole.   Well, now the gamut is run. I have recommendations for ready to install everywhere from 24 hours to two weeks. I think I'll just go with the middle and do a week.  I appreciate everyones replies. Love this site.

dave
Joe

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Reply with quote  #12 
Quote:
Originally Posted by seefoo
Joe.... Only five sacks?  How many pounds were they?  I used 13 bags of 80 pounds each. But, I'm encouraged.

dave[/QUOTE 80 lbs sack's

My 10' has been up over 20 years same setup, made it through a couple hurricanes
katrina was close to 100 mph, just spun the dish on the pole[crazy]
Comptech

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Reply with quote  #13 
I only got 3 80 pounds bags in the ground with my 12 footer, but I have hard clay with alot of granite. I did make a inverted mushroom at the bottom though. It has stayed perfect through some storms with 80MPH plus winds.
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wejones

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Reply with quote  #14 
Quote:
Originally Posted by Comptech
I only got 3 80 pounds bags in the ground with my 12 footer, but I have hard clay with alot of granite. I did make a inverted mushroom at the bottom though. It has stayed perfect through some storms with 80MPH plus winds.


I was going to post something similar to this, ie the amount of concrete needed depends a lot on the structure of the soil and the depth of freeze in the winter.  In some loose or sandy soil without rocks, you would need a lot of concrete.  In the places I've put up dishes, not as much has been necessary because I've had a lot of big rocks in the soil.  When I dug the holes, I was digging down between and under the big rocks, leaving them in place.  So pouring a lesser amount of concrete can lock the big rocks together into a mass larger than just the quantity of concrete.
    When I moved my pole several years ago, I had to dig out the big rocks surrounding the concrete in order to get it out of the ground.
    Also, I think the inverted mushroom concept is important, particularly up north.  Ie I think you'd want the widest part of the concrete below the frost line, or the freeze/thaw cycles would tend to lift the whole thing.  Not always easy to do, since the tendency is for the hole to be wider at the top. I've always used a post hole digger, and tried to flare the hole out wider at the bottom if possible.
   One poster above mentioned the dish mount turning on the pole during a hurricane. That happened to me once when I lived down in Md and a hurricane came up the east coast.  When I put the dish up and had everything aligned, I drilled a hole through the mount pipe and through the wall of the pipe in the ground, then put a nail or small bolt in that hole, to lock it in place.  When the hurricane came through (and we lived a considerable distance away from the full force of the storm so we didn't have hurricane force winds at our house), we were at work when the storm came through, and when we came home, the dish had turned on the pole, snapping off the nail I had locking it in place, and it had weather-vaned in the wind so that it was aiming north instead of south.
At that time, I was convinced that the dish would have been damaged if not for having turned away from the wind.



RimaNTSS

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Reply with quote  #15 
I have 3 bases for antennas concreted. I can say that after time, strong winds and low winter temperatures non of them moved at all. My personal conclusion is- more concrete is always better. concrete.jpg 
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