发布时间:2025-01-17 04:43:02
楼梯、扶手和踏步等应符合下列规定:
1 楼梯间应有直接的天然采光和自然通风;
2 楼梯除设成人扶手外,应在梯段两侧设幼儿扶手,其高度宜为0.60m;
3 供幼儿使用的楼梯踏步高度宜为0.13m,宽度宜为0.26m;
4 严寒地区不应设置室外楼梯;
5 幼儿使用的楼梯不应采用扇形、螺旋形踏步;
6 楼梯踏步面应采用防滑材料;
7 楼梯间在首层应直通室外。
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2025-01-17 04:43:02 2025-01-17 04:43:02 2025-01-17 04:43:02 2025-01-17 04:43:02 2025-01-17 04:43:02 2025-01-17 04:43:02 2025-01-17 04:43:02 2025-01-17 04:43:02 2025-01-17 04:43:02 2025-01-17 04:43:02 2025-01-17 04:43:02 2025-01-17 04:43:02 2025-01-17 04:43:02 2025-01-17 04:43:02新房装修明天装修公司去我家楼房改水让我明天过去说一下想怎么改请问我明天去了应该怎么说麻烦说
2025-01-17 04:43:02 2025-01-17 04:43:02 2025-01-17 04:43:02 2025-01-17 04:43:02 2025-01-17 04:43:02 2025-01-17 04:43:02 2025-01-17 04:43:02 2025-01-17 04:43:02 2025-01-17 04:43:02 2025-01-17 04:43:02 2025-01-17 04:43:02 2025-01-17 04:43:02