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Wade Sanitary Pit Thing


smarcus
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Found this pit in a basement in Chicago, the home was from the 30s. Water from the laundry tub flowed into it and I believe it then went to the sewer. There was a lite sewer gas odor throughout the basement that I believe was coming from this pit. I speculated that there was no trap. However, the smell was not stronger in any one location pretty consistent throughout the basement. In the photo directly above the pit water flowed in from a pipe at the right and out through a pipe to the left. I thought it might be a sediment trap when I was watching it, but can't think of a reason for a sediment trap in a home. Can anyone identify this?

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That was then, this is now. I don't think that kind of thing is permitted nowadays, although I can't be sure what they would do with that in Chicago.

I would recommend a drain company check the drainage and replace that pit with a continuous pipe.

I'll bet some of that drain pipe is shot, so the little pit could escalate into a major PITA.

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Kibbel, you're a spook.......

It's the grease trap. Chicago had (has) lousy sewers.

Everyone cooked with lard and dumped it down the drain. All soaps were animal fat based. All that grease clogged up the city sewers.

So, grease traps were required from about 1900 to approximately 1989. All kitchen sink and laundry drains were routed through the grease trap (interceptor), the grease was separated out, and the clarified effluent ran down the outlet to joint the main building sewer.

Sometimes they're in the back yard (most common), sometimes they're in the basement or garage (common on the NW side).

Where was the house?

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House was in Oak Park, IL.

I first saw it I thought grease trap, but the in/out pipes were at the same elevation with no indication of separate chambers, so grease on top would just continue through the pit. At least that's what I thought I observed when watching it. Water in from the right then out through the left.

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House was in Oak Park, IL.

I first saw it I thought grease trap, but the in/out pipes were at the same elevation with no indication of separate chambers, so grease on top would just continue through the pit. At least that's what I thought I observed when watching it. Water in from the right then out through the left.

We have similar separators in some of the older garages in Portland. They simply used an elbow at the outlet pipe to act as a baffle. Perhaps the outlet pipe in your picture once had an elbow that has since been removed.

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House was in Oak Park, IL.

I first saw it I thought grease trap, but the in/out pipes were at the same elevation with no indication of separate chambers, so grease on top would just continue through the pit. At least that's what I thought I observed when watching it. Water in from the right then out through the left.

I've seen something like this once before. That house was in . . . . Oak Park, IL. There was also a grease trap outside.

Mine was also very near the laundry sink. (Based on the paint color of the floor it is most certainly a different house.)

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