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Patching concrete slab

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04-17-16, 11:41 AM

semto

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Patching concrete slab

Hi,
A am getting ready to patch up the concrete slab that I broke to add a shower
to a basement bathroom.

How much does the soil need to be compacted? Would it be enough to use a garden tamper? Is there any way of 'measuring' the amount of compaction, so I know when to add another layer of the soil? I want to make sure I do this right because any crack in the concrete might mean a leaking shower down the road.

Thanks in advance!

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04-17-16, 03:09 PM

joecaption

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Has this been pressure tested, permited, inspected, signed off on?
I use #57 stone to back fill then the concrete.
No idea what a "garden compactor" is.
This is what I use.
Ames 8 in. x 8 in. Steel Tamper-2233400 - The Home Depot

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04-17-16, 03:27 PM

semto

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Thanks for your reply. Yes this has been inspected and signed off on but not pressure tested. Is this something that I could do myself?

That is exactly the tamper that I have. So if I go over it a few times with the tamper I should feel that it is compact enough? I was wondering if there was some kind of test I could do...

Any thoughts on how to do the rebar layout, especially considering that I have the plain wall on one side?

I appreciate your help!

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