I have an indoor propane setup and use these for ventilation:
Need to provide fresh air in and exhaust out and the must go to the exterior to be effective.
You need to get a good high quality CO and Explosive gas detector. They do make them as a single unit. I use this one:
You also need a fire extinguisher like this one:
Make it a habit to store tanks outside when not in use and never leave the burners when they are lit (not even to go to the bathroom). Check all of your connectors for leaks prior to each use.
You have a nice setup and what appears to be a great space.
Good Luck and Hoppy Brewing!
I seek not a hobby to fill my time; I seek a passion to fill my life!
Basement Brew Room Build:
"Shame on the man of cultivated taste who permits refinement to develop into fastidiousness that unfits him for doing the rough work of a workaday world." -Theodore Roosevelt