At least some open plans, are ultra low walled cubicles. Simply install taller cubicle walls. The cost is approximately zero compared to the costs of sick day

At least some open plans, are ultra low walled cubicles. Simply install taller cubicle walls. The cost is approximately zero compared to the costs of sick days and ruined productivity. Fire extinguishers are expensive. However, they're pretty cheap compared to getting cited by the fire dept/OSHA for not having a fire extinguisher. And they're really cheap compared to the result of a fire that can't be put out.