I Messed Up, Thoughts? - Masonry - Contractor Talk

I Messed Up, Thoughts?

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Unread 07-11-2019, 05:00 PM   #1
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I Messed Up, Thoughts?


so, the raised concrete slab got poured wrong (no footer) so the dirt/gravel base underneath is loose and exposed once the forms came off. I know this was done wrong, but now my question is what to do, considering erosion is going to slowly compromise the base.

Should I work as much as possible to frame a pressure treated wood wall around the bottom?

If I build mounds around it will that help (I doubt it as I would assume the material under the slab would slowly dribble out as erosion on the mound happened….

Thoughts? Any other ideas to help fix my mistake?

here are some pics


https://drive.google.com/file/d/1-5k...ew?usp=sharing

https://drive.google.com/file/d/1no9...ew?usp=sharing
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Unread 07-11-2019, 05:11 PM   #2
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Re: I Messed Up, Thoughts?


What and where are you building?

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Unread 07-11-2019, 06:42 PM   #3
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Re: I Messed Up, Thoughts?


So you put gravel on grade, concrete over that what did you think would happen?
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Unread 07-11-2019, 06:47 PM   #4
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Re: I Messed Up, Thoughts?


A good concrete job costs lots of money.............and a bad one costs even more.
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Unread 07-11-2019, 07:00 PM   #5
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Re: I Messed Up, Thoughts?


yup, I realize the bone head move. The initial plan was dig down, but with all the roots I brought it to level with the deck and just forgot the footer.... hence the initial post, "I messed up". Building a hot-tub slab to go next to the deck.
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Unread 07-11-2019, 07:07 PM   #6
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Re: I Messed Up, Thoughts?


have a pro saw cut 8" all the way around the slab.

keep neat & tight.

demo this.

dig footings.

form so they are flush with slab.

fill any space between slab & footing with sikaflex or similar.

install hot tub.

hopefully you compacted the base in lifts before pouring....

on future projects make certain you are not experiencing a rectal cranial inversion prior to or during construction....
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Unread 07-11-2019, 07:29 PM   #7
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Re: I Messed Up, Thoughts?


What's sitting on the slab now ? and what's that lumber going into grade ?.

So you poured a slab with no turn down, did you put any rebar any where or mating, fiber glass in the mix ?,

What Griz said or expand the foot print of the slab doing what Griz said, and maybe epoxy some rebar into the slab so the new mix can have something to hold on to, put 2 row's of #5 rebar on saddles in the turn down.
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Unread 07-11-2019, 08:12 PM   #8
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Re: I Messed Up, Thoughts?


Sunkist, this is exactly what I was looking for.... yup, we forgot the downturn (which is inexcusable)... yes we did good on the rebar and mating and mix, just missed the downturn when we went from a recessed slab to a raised slab last minute because of tree roots when digging. I'm going to, per your and others feedback, expand the footprint enough to basically add a turndown and do that with rebar connecting (as best as possible considering the situation). Thanks.

Thanks everyone for the quick (and witty) replys, I'm an idiot and agree with all your observations!
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Unread 07-11-2019, 08:13 PM   #9
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Re: I Messed Up, Thoughts?


Just backfill around the slab, good compactable stuff and call it a day. It needs to be landscaped anyway.
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Unread 07-11-2019, 08:37 PM   #10
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Re: I Messed Up, Thoughts?


I was thinking about that, backfilling it with QUIKRETE Hydraulic Water-Stop cement,.... that stuff becomes claylike so I could backfill it well (as a means to keep erosion at bay), and then skim it all over the surface to make a face/wall.... then landscape and put cover so water sheds away. That would be the easier and less effective way, but might work..... hmmm....
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Unread 07-11-2019, 09:05 PM   #11
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Re: I Messed Up, Thoughts?


it's your mistake and the basis for your reputation.

fix it right and consider the cost to be tuition paid.

you do not want to be known as a hack....
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Unread 07-11-2019, 09:07 PM   #12
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Re: I Messed Up, Thoughts?


can't say you're wrong griz
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Unread 07-11-2019, 10:13 PM   #13
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Re: I Messed Up, Thoughts?


nice to see that you came on here admitting to a real phuck up, took your lumps and didn't run off crying needing to take a healthy dose of midol...

do it right, and keep us posted on the progress.

good luck to you.
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Unread 07-11-2019, 10:24 PM   #14
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Re: I Messed Up, Thoughts?


Quote:
Originally Posted by Keith4hunter View Post
I was thinking about that, backfilling it with QUIKRETE Hydraulic Water-Stop cement,.... that stuff becomes claylike so I could backfill it well (as a means to keep erosion at bay), and then skim it all over the surface to make a face/wall.... then landscape and put cover so water sheds away. That would be the easier and less effective way, but might work..... hmmm....
Not what was meant by backfill. He meant bring the grade up higher around the perimeter.
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Unread 07-11-2019, 10:39 PM   #15
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Re: I Messed Up, Thoughts?


I have my PHD in advanced studies of hard knocks. Thinking of a book deal.


Mike.
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Unread Yesterday, 08:35 AM   #16
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Re: I Messed Up, Thoughts?


There are thousands of exterior slabs poured on grade without a perimeter footing.

If the grade is steep enough at the edge of the slab that fill material appears to be "leaking"out from under the slab edge, then you need to get on this quick and backfill more earth around the perimeter of slab in a real gradual taper away from slab so that this doesn't occur. Get some grass growing, sod it, or cover with stone so it doesn't erode and wash out over time with rains and you will be fine.
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Unread Yesterday, 09:43 PM   #17
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Re: I Messed Up, Thoughts?


Quote:
Originally Posted by griz View Post
it's your mistake and the basis for your reputation.

fix it right and consider the cost to be tuition paid.

you do not want to be known as a hack....
Pretty sure that won't be an issue.

Dollars to donuts it's his own place.
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Unread Today, 05:09 AM   #18
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Re: I Messed Up, Thoughts?


Put some dirt around it.

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