Requirements for width of rest platform of fire stairs

Requirements for width of fire stairs rest platform:

Chapter 6 of Code for Fire Protection Design of High-rise Civil Buildings stipulates as follows:

The total width of the evacuation stairs on each floor shall be calculated according to the number of people passing through every 100, and shall not be less than1.00 m. When the number of people on each floor is unequal, the total width can be calculated by sections, and the total width of the evacuation stairs on the lower floor shall be calculated according to the floor with the largest number of people on the upper floor. The minimum clear width of evacuation stairs shall not be less than that specified in the following table:

Hospital building:1.30m, residential building:1.10m, other buildings:1.20m. ..

Extended data:

Matters needing attention in the dimension of fire stairs rest platform:

Calculation method of stair series: first, confirm how many turns are needed from the first floor to the second floor. If you need to turn, you need a rest plane. Then, confirm the height of the rest platform from the ground, locate it with ink lines, measure the length from the starting point to the rest platform, and then calculate the series according to the size of the first point. The calculation method of the series from the rest platform to the entrance of the second floor is the same as above.

If the stairs have two turns, then two rest platforms are needed. Calculation method is the same as above. First confirm the height of the first rest platform, and then confirm the height of the second rest platform.

References:

Baidu encyclopedia-rest platform