Re: Garage floor drains
In my auto repair shops we have to use a pre-fab concrete vault about 5' by 10' by 4' deep installed in the ground that has a divider wall cast into it for the separator. They are commercially available through most plumbing supply companies that do septic systems I think. This is an added expense, potential source of an unpleasant odor, and additional maintenance for you. We generally clean up with a mop as my floors are smooth and don't even use the drains.
Have your builder/concrete guy put a slight slope to the overhead door for slush and car wash water to keep it from going under the benches and shelves. I would just forget the drain unless you plan on running water on the floor dailey.
Sounds like a great project to be doing, hope it becomes your dream garage.
Tracy
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