Article 23 The building's staircase if one or more of the housing ladder with a width of not less than 80 NET. Centimetre intervals not exceeding 3 metres tall use to no more than 20 meters to centimetres. Horizontal lines when deducting stair. Overlap and then the remaining width of not less than 10 cm, and must have a floor length, width and front steps of the. Not less than the width of the stairs.
The staircase must exceed 3 meters of terrace property ladder range 3 m or less, and suburban property ladders must. Width and length is not less than the width of the stairs. Distance from floor, staircase or staircases to the lowest terrace property. Of the buildings above must be not less than 1.90 meters high.
Article 24 building’s total housing ladder. Residence under the dormitory Offices, public buildings, commercial buildings, factories and special building .For use in the space above the aggregate 300 square meters to a width of not less than 1.20 meters, but for the stairs of the building used to top are the building above an amount exceeding 300 square meters to a width of not less than 1.50 meters if.
Width of the stairs less than 1.50 m must have at least two stairs and ladders, each ladder must have a width of not less than 1.20 m.
The stairs of the building used as the gathering of so many people, such as a staircase or classroom containing. The area from 500 meters up to the dining room, stairs, or site or service that contains the area. From 1,000 meters above the ladder of each layer of the building so that area since 2000 square metres or more, you must have a width of not less than 1.50 m at least two stairs.
If one of stairs must be at least 3 meters.
The ladder must be higher than 4 m terrace property ladder range 4 m or less, and the distance of the stage. Accommodation ladder or ladder to low buildings above must not be less than 2.10 m high.
Stairs must have a width and length not less than the width of the stairs.Unless steps are wider than two meters in front of the stairs up to two meters .
Stairs in the first paragraph and second paragraph must have set no higher than 18 centimetres horizontal fracture on the stage. Stairs overlap, then the width of not less than 25 cm and have a crash landing on a railing. Up to 6 meters in width and one meter high staircase railing must have both the nose landing must use non-slip material
Article 25: the ladder according to 24 must be at a distance of not more than 40 m from the point at which the flow on the ground floor it.
Article 26: Stairs under Article 23 and Article 24 , which is curved in excess of 90 degrees will not be landing , but must have an average width of horizontal not less than 22 cm for landing under Article 23 and not less than 25 cm for landing under Article 24