Underground dining belongs to the public *** gathering place, underground parking lot is not. According to the provisions of the fire, crowded places and public **** gathering place of fire requirements are relatively high, underground catering fire alarm system and automatic sprinkler system of fire fighting facilities, but also need to smoke exhaust, safety evacuation signs, indoor fire hydrant system and so on.

Underground dining and underground parking lot one is for people, one is for things, so there is a difference, the cost will be higher. You want to know the details, you should go to the fire brigade of your jurisdiction, they will tell you how to do. And when it comes to inspection and acceptance is also their say.