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#1
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Drainage problems near foundation.
X-No-Archive:
Hi, I have a depression in my asphalt driveway next to my house, with the low point situated only a few feet from the foundation. When it rains heavily, the water ponds here and eventually overflows, dispering into the soil which lines the rear side of the house - far to close to my foundation for comfort. Over the years, the grade has shifted towards my house such that there remains no easy way to regrade away from the foundation without infringing upon my neighbour(shared driveway). I have considered installing a drainage pipe(french drain) to divert the water away, but since the soil on the property has a sand-like consistency it has been suggested as an alternative that I drill holes into the low point of the ashphalt(where the water is collecting) to help facilitate drainage into the sand below. Is this a sound suggestion? If so, what diameter holes would be recommended to best expidite drainage, whithout needlessly underming the location. After drilling the holes I had planned to stage a trial run with a garden hose(to approximate rainfall), and assess their viability. But I have lingering concerns as to whether the depression's proximity to the foundation allows sufficient clearance from the foundation to be advisable. Also, I remain skeptical as to what adverse weathering effects might be exposed through the perforations as a result of the climate(-30 C. winters up here). Lastly, should I so desire at a later date(for whatever reason) after drilling the holes, would I then be able to patch them up with a simple pot-hole filler(that you buy at the local hardware store) without worry? Comments and suggestions are appreciated. |
#2
Posted to alt.home.repair,alt.building.construction,sci.engr.civil,misc.consumers.house
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Drainage problems near foundation.
wrote in message ps.com... X-No-Archive: Hi, I have a depression in my asphalt driveway next to my house, with the low point situated only a few feet from the foundation. When it rains heavily, the water ponds here and eventually overflows, dispering into the soil which lines the rear side of the house - far to close to my foundation for comfort. Over the years, the grade has shifted towards my house such that there remains no easy way to regrade away from the foundation without infringing upon my neighbour(shared driveway). I have considered installing a drainage pipe(french drain) to divert the water away, but since the soil on the property has a sand-like consistency it has been suggested as an alternative that I drill holes into the low point of the ashphalt(where the water is collecting) to help facilitate drainage into the sand below. Is this a sound suggestion? If so, what diameter holes would be recommended to best expidite drainage, whithout needlessly underming the location. After drilling the holes I had planned to stage a trial run with a garden hose(to approximate rainfall), and assess their viability. But I have lingering concerns as to whether the depression's proximity to the foundation allows sufficient clearance from the foundation to be advisable. Also, I remain skeptical as to what adverse weathering effects might be exposed through the perforations as a result of the climate(-30 C. winters up here). Lastly, should I so desire at a later date(for whatever reason) after drilling the holes, would I then be able to patch them up with a simple pot-hole filler(that you buy at the local hardware store) without worry? Comments and suggestions are appreciated. Fill the hole. |
#3
Posted to alt.home.repair,alt.building.construction,sci.engr.civil,misc.consumers.house
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Drainage problems near foundation.
On Jul 29, 3:35 am, "Chuck" wrote:
wrote in message ps.com... X-No-Archive: Hi, I have a depression in my asphalt driveway next to my house, with the low point situated only a few feet from the foundation. When it rains heavily, the water ponds here and eventually overflows, dispering into the soil which lines the rear side of the house - far to close to my foundation for comfort. Over the years, the grade has shifted towards my house such that there remains no easy way to regrade away from the foundation without infringing upon my neighbour(shared driveway). I have considered installing a drainage pipe(french drain) to divert the water away, but since the soil on the property has a sand-like consistency it has been suggested as an alternative that I drill holes into the low point of the ashphalt(where the water is collecting) to help facilitate drainage into the sand below. Is this a sound suggestion? If so, what diameter holes would be recommended to best expidite drainage, whithout needlessly underming the location. After drilling the holes I had planned to stage a trial run with a garden hose(to approximate rainfall), and assess their viability. But I have lingering concerns as to whether the depression's proximity to the foundation allows sufficient clearance from the foundation to be advisable. Also, I remain skeptical as to what adverse weathering effects might be exposed through the perforations as a result of the climate(-30 C. winters up here). Lastly, should I so desire at a later date(for whatever reason) after drilling the holes, would I then be able to patch them up with a simple pot-hole filler(that you buy at the local hardware store) without worry? Comments and suggestions are appreciated. Fill the hole.- Hide quoted text - - Show quoted text - Without seeing this and the actual constraints it's impossible to suggest the possible solutions. However, drilling holes in your driveway sounds like a bad idea. From your descripition it sounds like the low spot is close to the foundation. So, even if you drill holes, the water is still going to go into the ground close to the foundation, isn't it? And drilling holes now provides a place for freeze/thaw cycles to begin to destroy the asphalt. From a basic standpoint, the preferred solutions are regrading if it can be done within reason, or else channeling the water away via a drain system. |
#4
Posted to alt.home.repair,alt.building.construction,sci.engr.civil,misc.consumers.house
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Drainage problems near foundation.
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#5
Posted to alt.home.repair,alt.building.construction,sci.engr.civil,misc.consumers.house
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Drainage problems near foundation.
wrote in message ps.com... X-No-Archive: Hi, I have a depression in my asphalt driveway next to my house, with the low point situated only a few feet from the foundation. When it rains heavily, the water ponds here and eventually overflows, dispering into the soil which lines the rear side of the house - far to close to my foundation for comfort. Why not install a line or linear drainage across the driveway or close to the house to carry the water away to a soakaway or into the existing rainwater drainage system. http://www.pavingexpert.com/drain06.htm Works well for us. There are different version depending if you want to drive over it. |
#6
Posted to alt.home.repair,alt.building.construction,sci.engr.civil,misc.consumers.house
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Drainage problems near foundation.
Happy Trails wrote:
On Sun, 29 Jul 2007 00:06:04 -0700, wrote: I have questions not answers. Do you have a full basement or just a foundation below frost level? Full basement. Do you get water in the basement? At one location within the basement the carpet would dampen when the asphalt depression overflowed with water into the surrounding soil(suring a heavy rain). A foundation crack is visible within the proximity of the aforemented depression, which I recently treated with a waterproof polyeurathane caulk for sealing concrete. I then had the idea of applying a pot-hole filler into a small niche that existed between the pavement and the foundation crack. Hasn't leaked since. (I realize that this is not an optimal solution, but the basement wall is adorned with an oil painting that I would like to preserve if possible) Do you have a moisture barrier on the outside wall of the basement that works? Not sure, but if the entry point to the foundation crack I observe is near the surface, I don't know that this would mitigate the seepage. Do you have drainage tiles/perf pipes around the outside of the foundation/basement that work? Not sure. You now get water above the asphalt that freezes and causes no structural damage. If you put the water below the asphalt and it freezes there it will cause damage to the asphalt. I wonder how pervasive/localized such damage might be. If it drains, where does it drain to - the same place it's going now? If you mean the proposed drainage hole, then no - it would be draining a few feet away from an area where soil meets the foundation(this is the same area where the foundation crack is visible, and where the rainwater drains after spilling over from the asphalt depression). What was the original plan below the subsidence of your driveway - drain onto your neighbours driveway? I was planning to lay a drainage pipe in the soil which lines the aft side of my foundation, and run it either into the garden, or a dry well(a small one) in my yard. This would entail digging up quite a few flowers. |
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