Another driveway question

grydDecember 11, 2011

My new driveway is not completely flat. The pitch is fine but it seems to have spots that are a bit higher in places. I guess you could say there is some minor undulating on the surface. No one else but me notices it so I'm not that concerned with the aesthetics of it. I am, however, concerned if this will cause any problems in the future. Below is an image. You may not notice anything.

http://s176.photobucket.com/albums/w171/grydelek/?action=viewät=DSC01051.jpg

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cas66ragtop

All I notice is a dog sitting in the middle of the driveway. You're going to have to make him move if you expect to park a car there! I hope the asphalt crew didn't get lazy and just pave around him - I hope he's not stuck there! Cool dog, I like him.

OK on a more serious note..........the reason you may notice an uneven surface is because the ground may not have been perfectly smooth before they laid the asphalt on top of it. As long as they compacted the ground good enough, you shouldn't have any problems. You will have to wait for it to rain and see if you get any puddling - I guess if you get some big puddles, you may want to get the paving contractor to fix them. In the winter, those puddles will be patches of ice.

    Bookmark   December 14, 2011 at 12:00PM
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gryd

Thanks for your reply. No major puddling during rain. Grade is still pretty good. I suspect they poured the asphalt by hand and the only machine they used was to roll it. Would that be bad? Is it done that way sometimes for residential jobs?

    Bookmark   December 14, 2011 at 5:35PM
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sierraeast

They typically use a spreader that gets it out even and to the correct depth. Then it's rolled. One of the most important steps similar to concrete is the prep. Compacting the soil underneath and adding a base if neccessary all compacted before the "pour".

    Bookmark   December 14, 2011 at 5:45PM
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gryd

Prep work was done. New base. Compacted nicely. I hope I'm okay.

    Bookmark   December 14, 2011 at 6:41PM
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gryd

So is hand spreading the asphalt okay? No seams anyway!

    Bookmark   December 15, 2011 at 6:31PM
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sierraeast

Hand spreading might be the issue with the rippling effect. By your picture, you can see where the points that are elevated higher are compacted tighter than the lower. Is this an issue? I can't say and I guess only time will tell but you ought to inquire with your asphalt contractor and address your concerns with them. If they are concerned with their reputation and it is a problem other than astetics, they should make it right. Out here you want to put a topper/sealer on every so often but that wouldn't fill the voids in your case. Perhaps they can level out a cap or veneer over the existing to level it all out.

    Bookmark   December 16, 2011 at 10:15AM
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gryd

Thanks sierraeast. You hit the nail on the head. The higher spots are compacted tighter than the lower. I will contact the contractor. I sure hope that doesn't effect the structure.

    Bookmark   December 17, 2011 at 6:44AM
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