Help Thinking Outside The Box Here... CONCRETE HELL!! - Tools & Equipment - Contractor Talk

Help Thinking Outside The Box Here... CONCRETE HELL!!

 
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Old 11-18-2012, 06:35 PM   #1
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Help Thinking Outside The Box Here... CONCRETE HELL!!


Hello all,

I would like some advice on this job I have been at for over 2 weeks. it was bid for 2 days!!... This drain pipe has been compromised from a homeowner filling his sink holes with concrete. 3 trucks might I add.

He was totaly unaware that approximately 10 yards beyond his tree line that the concrete he was pouring broke through the pipe and was flowing into the neighborhoods collection pond. So now the years it has sat has caused the neighborhood to flood during hard rain and back up onto the streets.
I was hired in to bust up the concrete and see how much of the pipe is compromised. well 2 weeks in and im only 15 feet into this 30+ ft pipe. This is 24inch drain that has about whooped me and im not likeing it. I have used the Following: Electric jack hammer, 40,60 , and 90lb break. also used 60 and 90,lb rock drills with carbid bits, I have thrown anything and everything at it except a blasting agent .. please see if there is anything at all you might suggest on this job .. and thank you inadvance... Jeremy











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Old 11-18-2012, 06:44 PM   #2
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Re: Help Thinking Outside The Box Here... CONCRETE HELL!!


Trying to fix the image links.

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Old 11-18-2012, 06:48 PM   #3
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Re: Help Thinking Outside The Box Here... CONCRETE HELL!!


What a mess!
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Old 11-18-2012, 06:48 PM   #4
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Re: Help Thinking Outside The Box Here... CONCRETE HELL!!


Thanks .. got it
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Old 11-18-2012, 07:04 PM   #5
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Re: Help Thinking Outside The Box Here... CONCRETE HELL!!


any takers?..
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Old 11-18-2012, 07:15 PM   #6
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Re: Help Thinking Outside The Box Here... CONCRETE HELL!!


I suppose putting in a new line is too far out of the box?
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Old 11-18-2012, 07:28 PM   #7
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Re: Help Thinking Outside The Box Here... CONCRETE HELL!!


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I suppose putting in a new line is too far out of the box?
Well, that is why I was hired .. to find out how bad the pipe is compromised and see if it was repairable. because the home owner will cost the city over $30,000.00 if it needs to be replaced nevermind the damage caused from them having to cut down all the trees in the front of the subdivision, etc .. so they felt it was cheaper to hire me and see if it can be saved. they should be bringing down a remote snake cam this week to see how far back the intrusion is .. but in the meantime they want progress.. and ive about run out of options ..
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Old 11-18-2012, 07:37 PM   #8
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Re: Help Thinking Outside The Box Here... CONCRETE HELL!!


Something like this, I hope you have something in your contract about unforeseen circumstances. This would obviously fall under that. I have a feeling I know what you are going to say though.
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Old 11-18-2012, 07:48 PM   #9
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Re: Help Thinking Outside The Box Here... CONCRETE HELL!!


That is a smooth wall pipe.

Drill it deep, 12" or so, epoxy a threaded rod into it, attach an eye, a cable and pull that nonsense out of there.

You're welcome.

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Old 11-18-2012, 07:48 PM   #10
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Re: Help Thinking Outside The Box Here... CONCRETE HELL!!


Quote:
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Something like this, I hope you have something in your contract about unforeseen circumstances. This would obviously fall under that. I have a feeling I know what you are going to say though.
Well I do, and that is what is buying me more time.. also the head Guy over this fromt he city came down to inspect and he was thrilled with the progress and said he couldnt believe we are still hard at it (meaning ) we havent quit.. so im not so much worried about it but I have already lost my @ss on this job with time, resources and money spent on this .. I just watched a video on Dexpan ?? anybody use that before? .. Im thinking could use that .. after I drill more with the rock drill.
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Old 11-18-2012, 07:50 PM   #11
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Re: Help Thinking Outside The Box Here... CONCRETE HELL!!


After day 2 there should have been enough evidence to say its not worth the effort of saving.
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Old 11-18-2012, 07:52 PM   #12
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Re: Help Thinking Outside The Box Here... CONCRETE HELL!!


If they hired you to see if the pipe (culvert) was salvageable or not you should have looked at it plugged full and told them NO, end of story!
It's obvious from here that with that amount of concrete IN the pipe the hole in it must be substantial and the culvert will need replacing or they risk having another sinkhole on their hands once the crete is cleared.
Good luck!
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Old 11-18-2012, 07:53 PM   #13
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Re: Help Thinking Outside The Box Here... CONCRETE HELL!!


Quote:
Originally Posted by tgeb View Post
That is a smooth wall pipe.

Drill it deep, 12" or so, epoxy a threaded rod into it, attach an eye, a cable and pull that nonsense out of there.

You're welcome.

Make the check out to Tom
I thought of that .. although the concrete is atleast 20 feet or more back in there and the seperations in the pipe I feet will demolish it .. that would be so awesome though if it could work..
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Old 11-18-2012, 07:56 PM   #14
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Re: Help Thinking Outside The Box Here... CONCRETE HELL!!


Quote:
Originally Posted by JeremyBCalnan View Post
I thought of that .. although the concrete is atleast 20 feet or more back in there and the seperations in the pipe I feet will demolish it .. that would be so awesome though if it could work..
You could try it.

Dexpan will bust that crap up no problem, the issue would be how many times you would have to drill, dexpan, remove debris, drill, dexpan, remove debris....
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Old 11-18-2012, 07:58 PM   #15
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Re: Help Thinking Outside The Box Here... CONCRETE HELL!!


I have used dexpan before and it might not work in your situation, it needs space for the concrete to expand. The pipe limits the expansion, I used it on a bulkhead with 5k psi concrete, 3/4" rebar. 1 1/2" holes every 10" mixed poured and next day all split.

I dont think it would help you unless you could drill down vertically and fill the holes that way. But still no expansion room.
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Old 11-18-2012, 07:59 PM   #16
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Re: Help Thinking Outside The Box Here... CONCRETE HELL!!


Quote:
Originally Posted by dave_dj1 View Post
If they hired you to see if the pipe (culvert) was salvageable or not you should have looked at it plugged full and told them NO, end of story!
It's obvious from here that with that amount of concrete IN the pipe the hole in it must be substantial and the culvert will need replacing or they risk having another sinkhole on their hands once the crete is cleared.
Good luck!
Yeah .. it seems rather stupid for them to even think that the pipe is salvagable... the guy used 3 truck loads of it .. and stated yesterday he hopes we get it out of the pipe to free him from any legality to the city .. and then he wants to continue filling his sink holes with more concrete!! . I was like WTF . are you serious !!.. this guy has a major grudge with the city... but as long as the city is payin me .. Ill bust concrete all day .. just wanted another way to do it ..and Im limited due to the space requirements to work it .. or tools to use
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Old 11-18-2012, 08:03 PM   #17
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Re: Help Thinking Outside The Box Here... CONCRETE HELL!!


Quote:
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You could try it.

Dexpan will bust that crap up no problem, the issue would be how many times you would have to drill, dexpan, remove debris, drill, dexpan, remove debris....
EXACTLY .. what I was wondering .. but hell the 1st few days were like monkeys F'n a football with al the equiptment issues I had .. now that the compressor is fixed ive been netting about 2-3 ft progress perday and its jut getting thicker and pipe is getting smaller ..

The Dexpan says it can be used horizontally just needs to be plugged.. the pipe will give allow some expansion .. the concrete is off of the edges atlast 1/2 inch or so ..
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Old 11-18-2012, 08:06 PM   #18
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Re: Help Thinking Outside The Box Here... CONCRETE HELL!!


The open end of the pipe will allow for the expansion. your photos show space above the concrete.

You have plenty of room for the dexpan.

The best part would be you drill some holes, fill them with dexpan......come back tomorrow, clean up debris, drill some more holes, repeat til pipe is clear. As opposed to killing yourselves 8+ hours each day.
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Last edited by tgeb; 11-18-2012 at 08:09 PM.
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Old 11-18-2012, 08:08 PM   #19
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Re: Help Thinking Outside The Box Here... CONCRETE HELL!!


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Old 11-18-2012, 08:12 PM   #20
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Re: Help Thinking Outside The Box Here... CONCRETE HELL!!


Quote:
Originally Posted by tgeb View Post
The open end of the pipe will allow for the expansion. your photos show space above the concrete.

You have plenty of room for the dexpan.

The best part would be you drill some holes, fill them with dexpan......come back tomorrow, clean up debris, drill some more holes, repeat til pipe is clear. As opposed to killing yourselves 8+ hours each day.
Thanks .. I think Imma try that . my search indicates that the nearest retailer for Dexpan is almost 1 hour away so .. I will get some of this and get at is hard in the morning .. ill post some updates as we go . Thank you all for your help and . any other ideas feel free to post away ..

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