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 there is one ladder must be.3 m width, not less thanThe ladder must be higher than 4 m terrace property ladder range 4 m or less, and the distance of the stage.Raglan accommodation ladder or ladder to low buildings above must not be less than 2.10 m high.Shan property ladder and front steps of the floor must have a width and length is not less than the width of the.Ladder unless the ladder has a width greater than 2 metres of net ladder and ground properties Dai-Shan notes will not exceed.2 meters.Ladder under paragraph one and paragraph two, must have no more than 18 cm height use the sleeping child when deducting the.Ladder overlap and then the rest not less than 25 cm in width, and must have a railing, falling together. Steep stairsNET width of 6 meters, and up to 1 metre high staircase ranges must have handrails on both sides must be stair nose area.With anti-slip material. ""26 Kleine requirements 23 and 24 that is bending over 90 degrees will no stair properties suburbs it.But it must have a width of not less than balls 22 cm for stairs, according to article 23 and not less than.25 cm for ladders according to 24. "
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