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Posted by RBM on February 23, 2007, 6:15 pm
There's like 13 bolts and a gasket holding that lid down. The idea is to
keep sewer gasses in the pit or out the vent. When these things are used
with macerator pumps for sewage, it's important not to run them through the
main house trap as the force of these pumps will blow the trap empty
>> http://www.hockspot.com/ben/pic1.jpghttp://www.hockspot.com/ben/pic2.jpg
>>
>> Oh boy! Me and the wife are about to purchase our first single family
>> home.
>> I was a good little homeowner and DIYer and decided that I should get
>> an inspection, since there is much I don't know. The inspector was
>> good, but couldn't tell me what this setup in the basement was.
>> There is a sealed pit. There are two pipes. Once goes up and outside
>> the house, poking out into the alley between houses. The other pipe
>> comes up about 2 inches, crawls along the ground, and then ducks back
>> into the ground.
>>
>> At first I thought the pump was supposed to dump water outside the
>> house in a potential flooding situation.
>>
>> This morning I called roto rooter and the guy came out to take a look.
>> He wanted to talk half of the time, so I nudged him along. Eventually
>> we figured out that the pipe going outside the house is just a vent.
>> The pump inside the pit fed into that little pipe along the ground.
>> There is a basement drain nearby. His best guess is that rainwater
>> spills into the pit and then gets pumped into the sewer. (into the
>> pipe leading to the drain.)
>> So here are the questions.....
>> 1) This house is 50 years old. There is no evidence of drain tiles. So
>> what is feed the pit?
>> 2) Has anybody seen a setup like this before?
>> 3) Roto-man said that he doesn't see the floor drain holding water. He
>> thinks there is no trap. Can I do something about sewer gasses without
>> breaking up the floor?
>>
>> Thanks!
>> -ben
>
> If you remove the lid of the sump (the pit from which those pipes
> emerge) you can tell if there are drain tiles leading to it. You'll
> see two (or more) 4-inch openings on the side of the sump. Based on
> the location of the sump (it appears near the middle of the room?) I'd
> guess there are no drain tiles and whoever installed was hoping that
> the sump alone would be enough to trap rising ground water.
>
> As for the drain with no trap -- we had one of these and we ended up
> making a jerry-rigged plug that blocked the drain and kept gases from
> escaping. When the basement flooded from time to time, I'd wade in,
> reach down through the water and pull the plug. Not the most elegant
> solution, but it was cheap an easy -- I already had a pair of knee-
> high boots.
>
> John
>
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