Random question.
We have a drain the previous owners put into our garage, I assume it connects to the storm system. Everyone says it must be nice, but frankly, the one time a year I use it, washing out my garage in the spring, its a pain as the garage is mostly properly slopped to it, and it backs up and drains slow. This doesn't allow me to simply spray the dirt forward to my driveway which is sloped to the street (which I then use the lovely City Street cleaners to pick it up) as the water comes back to the middle of the garage.
Are there any City approved legal products I could put down this drain to clear it? Or If I really want this I am looking at hydrovac to handle the years of dirt and rock probably in it? I am thinking its gravity so the rock is likely pushed through but its backed up with dirt that even if a low chance of success, some legal product may help.
The drain cap is 6" in diameter, and it feels like there is a lot of dirty near the surface.
Follow-up, any approved soaps I can use on my garage flow with my high pressure washer? The concrete has some sort of nice lacquer that seems to be quite durable.
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