install buried pvc pipe (cold winters, pine needles)


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Old 08-14-14, 03:13 PM
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install buried pvc pipe (cold winters, pine needles)

We have a small problem with the water from the downspout being released too close to the house and would idealy like to take it all further away.
A buried pipe seems like a good idea but I'm wondering how they would cope with freezing winters and also one side of the house gets many pine needles in the gutter - is it possible these could clog up the buried pipe?

How to Extend a Downspout | This Old House
 
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Old 08-14-14, 03:21 PM
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Pine needles generally cause a problem way before they get to the end of the downspout. I just had a call on that today. My advice was to first trim the branches. After that we will work on the drainage.
 
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Old 08-14-14, 05:35 PM
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They are about 6 trees x 30m high so it's going to be difficult and even with trimming, they will still fall on the roof!
 
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Old 08-14-14, 05:40 PM
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IMO, it's still worth trimming the tress to reduce the number of pine needles that fall, on the roof.
 
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Old 08-17-14, 09:13 AM
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will these underground pipe systems work if pine needles get in?
I suppose I can always put a water hose in the downspout?
 
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Old 08-17-14, 10:27 AM
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With the smooth bore, they clog less frequently, and can be jetted with a garden hose to clear them. Just make sure any joints you have in the pipe face downstream to minimize friction. Also minimum Schedule 40. Higher if you can find it.
 
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Old 08-17-14, 12:31 PM
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PA is cold country so in addition to pine needles you will have to deal with ice. Getting the pipe below the frost line and then having a place for the water to go is difficult. During those times when the snow is melting slowly (sun or heat loss through the roof), yet the temperatures are below freezing ice will form. You may have already experienced that with exposed gutters.

Do you have a place in mind for the pipe to exit to daylight or a pit of some sorts?

Bud
 
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Old 08-17-14, 02:18 PM
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I'm actually in Quebec but the forum didn't give that option
Same issue...it gets cold. The current exposed gutters get iced up but water can flow underneath that and seems to work.
Water would exit into a buried area of rocks and gravel further away from house...
 
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Old 08-21-14, 10:41 AM
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You could add a catch basin to collect the debris....could also open periodically to clean.
 
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Old 08-21-14, 11:22 AM
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Given your cold climate, you need to bury the pipe and the pit deep enough that the soil is not below freezing. The water coming off of snow melt is at freezing to start with so it will quickly turn to ice in a cold pipe. Search for a "frost protected shallow foundation" and see how they keep the foundation from freezing.

In addition to the buried drain, I always try to have a surface solution for back up. Not sure if that is possible for you.

Bud
 
 

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