Interesting Configuration

I’ve never seen this plumbing configuration. Supply lines on the left side supply water to the right side. Unfortunately the water was turned off at the time of the inspection but I wonder how adequate the flow would be with both sinks in operation. Any of you seen this before?

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1/2’ Copper at 40 p.s.i. and 40 ft. of pipe can supply 12 G.P.M.

Shouldn’t be a problem.

I agree with Mike on this one.