First floor, 1000 square meters, purely for catering logistics. It is divided into two fire zones, each with an evacuation ladder leading directly to the outdoor area. Please ask how to define the width of the evacuation ladder 1, this is mainly calculated according to the number of people, every hundred people not less than 1 meter (with a height difference of not more than 10 meters, can be 0.75)

2, the key is how many people you can look at the design. Multiply 0.85 that means the store.

3, catering establishments, then, see how many seats you designed it, that should be the total number of people, the logistics of what is the case, you can also count the number of people, and finally the number of people according to the design of the exit width.