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Old 02-23-2014, 04:23 PM   #1
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Down pipe sump


I have my rainwater feeding into a sump rather than a pipe to the street and have experienced a lot of issues with damp. Should I be able to see water in the down pipe drains? Is there a need to have the sump periodically pumped out?

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Old 02-23-2014, 04:44 PM   #2
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Down pipe sump


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Originally Posted by Shayne100 View Post
I have my rainwater feeding into a sump rather than a pipe to the street...
why?

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...and have experienced a lot of issues with damp.
no doubt.

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Is there a need to have the sump periodically pumped out?
If the sump hole doesn't already have a pump in it... AND for some reason you are not allowed by law to reroute the rainwater to the street by gravity... then you should install an electric (sump) pump to do that job for you. I'm a fan of Zoeller LINK

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Old 02-24-2014, 03:02 AM   #3
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Down pipe sump


I'm afraid I know little about building drainage. I can only say that if you look into the down pipe drains water is about 30cm down. The house was built in the 1920's and there has never been a pump before. I am trying to find original plans to see if they can shed some light on it.
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Old 02-24-2014, 11:33 AM   #4
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Down pipe sump


I assume you are talking about a drywell?? Pit w/gravel for drainfield?? If it used to work but does not do the job now, probably silted up.
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Old 02-25-2014, 02:06 AM   #5
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Down pipe sump


When you say, " down pipe drains". Do you mean the down spouts hooked to the rain gutter.?
Or, the pipe located outside in the ground that the down spout runs into.?

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Old 02-26-2014, 02:56 AM   #6
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Down pipe sump


Yes the rain water down pipes. They feed into small drains , and I can see water about 30cm below the drain grill.
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Old 02-26-2014, 11:53 PM   #7
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Down pipe sump


Okay..
Let's get this right.
When the water comes off the roof and into the rain gutter, then down the down spout. The down spout runs into a pipe that's in the ground. This pipe that's in the ground runs to the sump.

The pipe that's in the ground is clogged.?
The down spout is clogged.?

Can you give us a picture of the sump pump (area) and where the down pipe enters the house.?
A picture of where your seeing the water ( "water about 30cm below the drain grill.").?
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Old 02-27-2014, 12:45 AM   #8
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Down pipe sump


Not exactly. The down pipe does not go directly into the ground. They stop a few inches away from small , bricked drains. If I lift out the drain grill I can see water about 10 inches down the pipe.
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Old 02-27-2014, 08:43 AM   #9
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Down pipe sump


Put an elbow at the bottom where it is open and then use a downspout extension or two to get the water a minimum of 4-6 feet away from the foundation. It sounds like you have downspouts that drain into the sanitary sewer system or something along those lines. This is against code in most areas on newer homes but older ones may have been grandfathered in. I have no idea why there is that gap between the bottom of the pipe and where it continues into the ground but it doesn't matter. The cheap fix is to re route the down spouts above ground and cap those pipes off.

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