Traditional Culture Encyclopedia - Hotel accommodation - What is the design specification of hotel stairs?
What is the design specification of hotel stairs?
5. 1. 1 indoor * * * The height of the stair handrail should not be less than 900 from the tread center line to the handrail epithelium. . Horizontal handrails over 500? For a long time, its height should not be lower than 1000? .
5. 1.2 The height of stair railings outside the room should not be lower than 1050? , high-rise residential buildings should not be less than 1 100? .
5. 1.3 stairwell width is greater than 200? When climbing, it is not advisable to choose a grid that children can easily climb. The gap between the vertical bars of the railing should not be greater than 1 10? .
5. 1.4 Handrails shall be connected when moving up and down or in plane.
5.2 materials
5.2. 1 The specifications and quality of raw materials must meet the design requirements and the provisions of relevant national standards and norms.
5.2.2 Raw materials for making railings and handrails shall have factory quality certificates or test reports, and shall be accepted in batches when entering the site. Materials without factory certificate must be sampled and tested for physical and chemical properties according to relevant standards, and can only be used if they are qualified. It is forbidden to use unqualified materials.
5.3 Structural performance
5.3. 1 After the installation of railings, handrails and ladders, the structural bearing capacity shall be 0.5Kn/m under the horizontal load specified by GBJ9, and the maximum allowable deflection value shall not exceed h/ 100(h is the height of handrails).
5.4 Appearance quality
5.4. 1 The joint (welding and threaded connection) between railings and handrails shall be firm. The connection between metal railings and metal, plastic or hardwood handrails shall meet the design requirements and the provisions of current relevant standards and specifications.
5.4.2 The product surface should be smooth, and there should be no appearance defects such as burrs, welding slag and obvious hammer marks.
.4.3 The cutting parts of balustrade decorative parts must be filed and polished, and the edges and corners shall be kept neat, and no cutting marks shall be left.
5.4.4 The straight parts of railings and handrails shall be straightened, and the curved parts shall be kept smooth and consistent in pattern.
5.4.5 Metal railings and handrails shall be cleaned of rust and oil stain before being painted with antirust paint. Wooden handrails should be painted for corrosion protection. The paint layer should be uniform and firm, and there should be no obvious defects such as paint piling and leakage.
5.5 The dimensional deviation shall comply with the provisions of Table 1.
5.6 test methods
The structural performance test method of railings and handrails shall be carried out according to the requirements of cantilever members specified in GBJ 10.
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