Robert J
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Robert J (by dino [CA]) Jun 30, 2022 10:27 PM
       Robert J (by Robert J [CA]) Jul 1, 2022 2:49 AM
       Robert J (by dino [CA]) Jul 1, 2022 10:26 PM
       Robert J (by Robert J [CA]) Jul 2, 2022 1:53 AM
       Robert J (by dino [CA]) Jul 2, 2022 3:37 AM
       Robert J (by Robert J [CA]) Jul 2, 2022 2:36 PM

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Robert J (by dino [CA]) Posted on: Jun 30, 2022 10:27 PM
Message:

Following up on our discussion of lifting sidewalk for problem with roots,

I have located the large roots underground next to sidewalk that are causing problem and I have dug out the dirt around them.

I would like to first try to remove roots if possible and without disturbing concrete. I realize my attempt will likely fail.

Which is likely to be more successful:

1) Digging out the dirt under the concrete so the roots can settle down and result in lowering the concrete.

2) Pulling out the roots from under the concrete from the portion or roots exposed next to the concrete walkway.

--104.175.xx.xx




Robert J (by Robert J [CA]) Posted on: Jul 1, 2022 2:49 AM
Message:

If you live in the Los Angeles area and the City see's you cut the root of their tree, and you wrote them 100 letters asking the to cut the root before it damages the sidewalk you are responsible to maintain, expect to be arrested, fined or both.

What I do is the following. Cut the root first using a Sawzall and a carbide or tree limb saw blade. Course teeth. The terminated root is under the sidewalk by several inches. This is done with the sidewalk lifted with my toe jacks. Once the root is loose from the tree, it's easier to dig out. I have several jack hammers with shovel ends for digging side wades. Once all of the roots are gone, I do the silica sand leveling, then lower the sidewalk down.

When no one is looking a few months down the line, I recut the root at an angle under the sidewalk. Timing it over time. --47.156.xx.xx




Robert J (by dino [CA]) Posted on: Jul 1, 2022 10:26 PM
Message:

Thanks for concern but the walkway I am talking about is not the city sidewalk. It is a concrete walkway well within the property boundaries in the garden area. It does have a similar look to a street sidewalk. I was able to measure the thickness of my walkway yesterday and it is about 2 inches.

So I take it that simply pulling the root out from under the concrete will not work since it will have various smaller root attachments that have worked their way through the dirt establishing a strong bond.

But what about simply removing some dirt from under the root that is pushing up on the concrete. Do you have any confidence that would lower the concrete???

--104.175.xx.xx




Robert J (by Robert J [CA]) Posted on: Jul 2, 2022 1:53 AM
Message:

Two inches is a very thin concrete walkway. You never know how anything will work out. Easy jobs sometimes become complicated. Complex jobs sometimes turn out to be easy as pie.

You may have to use a concrete diamond saw and cut the walkway to lift is higher. Or break it out, cut out the roots and replace/repair that small section.

If this is a rental, you can not leave an uneven walkway. You'll have to have an outside light, signs and plywood over any removed sections. --47.156.xx.xx




Robert J (by dino [CA]) Posted on: Jul 2, 2022 3:37 AM
Message:

Yes, I would not leave an uneven walkway, but I am considering just replacing that small section if I cannot remove the roots easily, or I will try removing some dirt under the roots and see if that solves the problem by lowering the concrete back to level.

--104.175.xx.xx




Robert J (by Robert J [CA]) Posted on: Jul 2, 2022 2:36 PM
Message:

Good luck! --47.156.xx.xx



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