How To Install Floor In Boat How Do I Install A Floor Drain In A Third-floor Condo Utility Closet?

How do I install a floor drain in a third-floor condo utility closet? - how to install floor in boat

I had a plumber install a new water heater. Inspection County have been suspended because a new building code requires a floor drain, it was not necessary in my apartment complex was built in 1984th There is a hole in the wall of the washing machine and air conditioning, but it will not help unless the machine or the water heater suddenly. Comments?