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Old 02-27-2008, 03:18 PM   #1
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Repairing/Replacing Concrete Driveway


Because of my Homeowner's Association, I'm "stuck" with a concrete driveway. The insurance company has informed me it needs to be repaired, but it looks to me like the whole thing will have to be torn out and redone.

What's a ballpark price for a short, one-car-length and a car-and-a-half wide driveway? Nothing fancy, just something to park on.

Edited to add: If need be, I can throw pictures up, too.

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Last edited by Rasputin; 02-27-2008 at 03:21 PM.
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Old 02-27-2008, 03:48 PM   #2
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Repairing/Replacing Concrete Driveway


do you know why your current one failed? it sounds like something was done incorrectly on the first one, so you should really try to solve that part of the mystery and factor in the cost to correct that problem. is it just poured on dirt? is there mesh ? rebar ? where you planning to do any of it yourself, you could probably rent a demo hammer and dumpster and save a nice chunk of change by doing the tear out yourself ( demo is fun)

you don't need a whole lot of concrete, so should be easy enough to call a couple contractors to get some ball park prices. all you need is length, width and thickness.


but if you plan on staying in the house you may want to try and figure out why the old one failed so you can correct the issue for the new one and not be dealing with it all over again in 5 years.

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Old 02-27-2008, 07:04 PM   #3
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Repairing/Replacing Concrete Driveway


My plan right now is to hear what the quote sounds like. It looks to me (from where it's already failed a bit) that it was poured directly on dirt. I'd do the demo myself, I'm always up for some fun, but I know I won't have the time to do it myself with the other projects going on in the house.

I'll definitely be looking at what's going on underneath, though. A lot of silt washes down and out from under it, which is likely what caused it to start cracking in the first place.


Thanks for the tips!
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Old 02-27-2008, 09:08 PM   #4
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Repairing/Replacing Concrete Driveway


i am oft' accused of overdoing it, but i beleive it's cheaper to over-do it the first time.

in my opinion, what's under the driveway is just as importand as the driveway surface. personally i would put a minimum of 4" of compacted stone between the (compacted) ground and cement driveway. you'll also find a lot of people who will tell you don't need rebar. They're right, you don't NEED it, but your driveway will last a heck of a lot longer if you use it.

when you start to get quotes, make sure you know what you are being quoted. ask where they are buying the concrete, and what grade of mix they are quoting

Do as much of the work you can yourself, this will give you extra cash for upgrades (like crushed stone base and rebar)

Last edited by terri_and_jj; 02-27-2008 at 09:12 PM.
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Old 02-29-2008, 11:44 AM   #5
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Repairing/Replacing Concrete Driveway


So the answer was:

remove and replace, 27' x 14'6"
regrade and add stone where necessary
4000 PSI fibermesh at 4" thick

$2300

I'm going to be emailing/calling around a bit today but I'm not sure that I can beat that price with a stick.
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Old 02-29-2008, 01:07 PM   #6
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Repairing/Replacing Concrete Driveway


That is probably a reasonable price for quick replacement, but it does not affect the real cause of the failure - regrading and adding stone does nothing without going deeper and compacting.

Did the contractor mention air entrained concrete, which is necessary where you have freezing and salt? Around here, a concrete supplier will refuse to deliver any concrete for an exposed slab or driveway unless it is air entrained and usually requires 4500 psi for a guarantee. - Not expensive because you have such a small driveway.

If it was me and because of the history, I would at least use wire mesh also to tie the sections together if you get cracks. Mesh does not do this. - Also not a big ticket item, but a low-ball contractor may try to talk you out of it.

If you are E-mailing for prices, you can expect the lowest prices.

For appearance, do not forget to have him saw control joints to control where the cracks will occur. the best place would probably be at the center of the 27' length.
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Old 02-29-2008, 02:46 PM   #7
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Quote:
Originally Posted by concretemasonry View Post
That is probably a reasonable price for quick replacement, but it does not affect the real cause of the failure - regrading and adding stone does nothing without going deeper and compacting.
Honestly, I believe the failure is due to the fact that it's an 18 year old install and the previous owner did nothing to maintain it in the last 10 years that she owned it.

Quote:
Did the contractor mention air entrained concrete, which is necessary where you have freezing and salt? Around here, a concrete supplier will refuse to deliver any concrete for an exposed slab or driveway unless it is air entrained and usually requires 4500 psi for a guarantee. - Not expensive because you have such a small driveway.
In South Jersey freezing and salt aren't much of a worry, certainly not to the point it is in Minnesota.

Still working on other prices.
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Old 02-29-2008, 03:21 PM   #8
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Repairing/Replacing Concrete Driveway


Other prices so far are coming in over $3000. Looking good for this guy.

He also quoted me about 2 grand to do a back patio, too, or 3 for colored/stamped.
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Old 02-29-2008, 03:26 PM   #9
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Repairing/Replacing Concrete Driveway


We really do not use as much salt as warmer areas like MI, IL, IN, OH, etc. that may also get more snow and moisture.

Freeze/thaw is related to the number of cycles the concrete sees. In some cold areas, there are only few cycles, whereas, other areas can have more cycles in a year.

Just make sure you get the correct concrete. Check municipal specs for sidewalks, curb and gutter mixes that the contractor can easiy purchase. After that it is up to the finishing, reinforcement and control joints.

If you had mentioned the 18 year old concrete, you may have gotten different answers. - Much will go to the condition of the base and subbase. Usually, the small parking slabs in a condo development are the last things to be done and frequently are poured on less than desireable soils.
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Old 02-29-2008, 03:34 PM   #10
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Repairing/Replacing Concrete Driveway


I agree with others that it is important to I.D. the cause of the original failure, which was probably lack of reinforcement combined with the pour going over dirt. that job was probably done by the low bidder as well.

if it was my house, or you were my customer, i would insist on a compacted stone base over compacted earth. "regrade and stone where needed" leaves a lot of wiggle room.
i would also insist on wire mesh being used. No way i would give you a warranty without it. is your low bidder giving you a warranty? Get a copy before you give him a deposit, read it carefully
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Old 02-29-2008, 04:33 PM   #11
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Repairing/Replacing Concrete Driveway


Quote:
Originally Posted by Wood Butcher View Post
I agree with others that it is important to I.D. the cause of the original failure, which was probably lack of reinforcement combined with the pour going over dirt. that job was probably done by the low bidder as well.

if it was my house, or you were my customer, i would insist on a compacted stone base over compacted earth. "regrade and stone where needed" leaves a lot of wiggle room.
i would also insist on wire mesh being used. No way i would give you a warranty without it. is your low bidder giving you a warranty? Get a copy before you give him a deposit, read it carefully
You do concrete? I haven't signed anything yet...
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Old 02-29-2008, 04:57 PM   #12
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Repairing/Replacing Concrete Driveway


i only venture into the 609 & 856 area codes to go to Atlantic City or bury a body
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Old 02-29-2008, 05:11 PM   #13
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Repairing/Replacing Concrete Driveway


Wood Butcher -

If you go between I78 and I80 in far western NJ, most of them are just dumped along the fields and not buried (little code enforcement).
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Old 03-01-2008, 05:11 AM   #14
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i only venture into the 609 & 856 area codes to go to Atlantic City or bury a body

Hey, just making sure, plenty of space in my yard to bury a body.
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Old 03-01-2008, 09:26 AM   #15
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Repairing/Replacing Concrete Driveway


actually, under a cement driveway is a great place to stash an unwanted "associate" The concrete helps keep the smell down and also deters nosey raccoons and wanna-be police dogs

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