Quote:
Originally Posted by Laker14
the pipe with no cap on it (it has one but I took it off for the photo) does not smell of sewer gas. But it does connect to something hollow, that echoes, and when a car ran over a manhole cover, I heard the echo from that pipe. The rectangular cover, which as you can see is also cracked, I did not disassemble. I am currently mystified. I'm hoping someone can demystify me.
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I suspect (a guess) the one you removed the cap from may have been French drain at one time beings you noise from street drain. The white one with square on top is sewer clean out. I have no clue what the rectangle cracked one is? If it was me I would take lid off, shine flashlight down see what it is or what you can see?