Hey Chap! Long time no see here in the CR! You know my daughter is an assistant this summer to Mrs. “Chevy on a sled,” if you know what I mean!
As far as the actual topic of this thread, I’ve seen some mini minyan factory type of shuls that have signs something like:7:00, 7:20-Sfard. 7:40 Ashkenaz, 8:00, 8:20, 8:40 sfard, 9:00 Ashkenaz, etc.