When this happen in a commercial restaurant 30 minutes before opening it becomes a real life nightmare. Getting a restaurant ready to open each day is challenging enough but now add a problem like a plumbing problem. When a commercial kitchen goes from 3 plus sinks to only 1 or 2 cooking becomes hard.
In the picture above at this commercial kitchen right before opening they had an old pipe connected to the wall disconnect and break at the wall. When removing the old pipe we also noticed the break went further into the wall. After figuring out how to begin to tackle this issue we started putting the drain back together. After a couple hours we fixed the leak and repaired the drain pipe properly.
If you manage or own a restaurant try and be proactive when it comes to fixing old stuff before a real issue arises.