Sealed sump pump question

ken_from_mdApril 22, 2008

We have a sealed sump pump in the basement, no floating lid, everything is caulked shut. The basement flooded this weekend through the basement door (exterior walk-up) after leaves blocked the drain at the bottom of the stairs. All the water flowed to the corner where the sump pump is, but being sealed, there is no where for the water to go. Is this normal?

Do I need to install a second pump to protect the basement, replace the one that is there with something else, or can I just drill some holes in the lid that is there?

This area of the basement is unfinished and will stay that way as it is a workshop area. It just seems odd to me that there is no drain to take water out of the basement.

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Typically the only reason for the lid to be sealed is to prevent the musty odor from the stagnant water from entering the basement. I have not experienced a lid that was caulked shut. Typically they will have nothing or a rubber or a foam type gasket. I would open the lid to see what you have and then figure out if you want to drill a few holes in the lid.

    Bookmark   April 24, 2008 at 12:09PM
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Could it be sealed due to radon? Mine was sealed as part of a radon remediation system.

    Bookmark   May 10, 2008 at 9:42PM
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Do you have the basement plumbed for a future toilet? It may not be a drainage sump at all, but a holding tank that the subteranean toilet will dump into. Systems like this usually have a grinder/pump to lift the sewage up to septic tank level. In this situation, it would be caulked shut and you definitely would not want to drill any holes in it lest you permit it to vent into your basement!

    Bookmark   May 14, 2008 at 10:53PM
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The basement does have plans for a future toilet. However, there is a separate holding pit waiting for a pump that will service the toilet. The sump pump pumps water directly outside, not to a sewer/septic line.

I have not yet looked into this further. Too many other things to do.

    Bookmark   May 20, 2008 at 4:55PM
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