Quote:
Originally Posted by rbsremodeling
Have you ever seen a concrete pour gone bad
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One of my favorite things in life. The occasional times in life you have the oppurtunity to view such a mess brings on feeling of euphoria. You can't look away it's hypnotic. Anytime I get a call about a bad pour I drop everything and go look at it. I know that I won't do the fix but I will gladly go and look at it.
In fact I routinely ask my concrete supplier if he has any new stories when he is on site. He always does and let me tell you will never be more alert and hang on every word that that comes out of someone's mouth.
Now, I don't know if there is not enough megabytes or time to retell all the horror that I have been priviledged to see and/or hear about over the years, but I will share a bad experience that happened to me last year.
I've got a footing dug for a garage. It's about a 10 yard pour. When I dug the footing I scraped an underground concrete septic tank. HO warned me that there was one back there and it had been abandened years ago after the city sewer dept came through and upgraded the home.
I have never been so lucky. The new footprint came out perfect. It just missed the tank-by about 2". So concrete comes and we begin to fill the trench. We get about 7 or 8 yards out and all of a sudden the concrete spits and burps then disapears! The side of the old septic tank caved in from the pressure and all that new liquid gold sucked down into it in about 10 seconds.
I look back at the driver (also the owner of the concrete comp.) He has the biggest **** eating grin I've ever seen. He realized what happened and he also realized that his 1000 ticket just got doubled to 2000 for my idiocracy.
Moral of the story: Always have someone else do the concrete.
EDIT: Since I hijacked the thread I will help the poster. You will set grade stakes in the center as you screed to the top of the stakes pound them down and continue screeding. Put in as many as you want. This will keep you flat as you go.
You won't need expansion against the othe buildings but you need to drill in #4 bar every 2'. It will sink. I repeat. It will sink within a year or two if you skip the bars. I like to drill at an angle then epoxy, push in the bar, and bend it till it's level. 4" is fine for a patio. You will need 2 laborers and yourself. Mop it with your bull float and edge it. Cut some control joints to divide it into 10 or 12' sections.
I like to get on it and hand finish it near perfect before the broom but I sometimes will just throw a fresno over it then broom. You may feelmore comfortable doing it with the fresno. You can rent all that stuff.
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