Regarding the height specifications and related regulations of the indoor 'handrails' in buildings

1. The height specification of indoor staircase handrails is 900mm. (The standard data can be changed according to the actual situation)
2. If the length of the stairs exceeds 5m, the height of the handrails of the stairs can be appropriately increased to 1100mm.

3. If there are children at home, for safety reasons, it is best to increase the height of the stair railing to 1000mm.

4. In nursery and kindergarten buildings, in addition to adult handrails, handrails for children should be set on the side against the wall, and the height should not be greater than 600mm

5. In residential buildings or public buildings for the elderly, handrails should be provided at 900mm height on both sides of the stairs, and the starting and ending points should be extended to more than 300mm horizontally to avoid nowhere to climb when going up and down the stairs. In addition, 40-50mm round-bar transverse handrails should be installed at the height of 900mm and 650mm on both sides of the pass-through walkway.

6. The installation height of the handrail in the hospital is 750mm-800mm according to the human mechanics and the actual situation of the patient, which is convenient for the patient to move up and down the stairs.

7. There should be barrier-free handrails with a height of 850mm on both sides of ramps, steps and stairs. When two-tier handrails are provided, the height of the lower handrail should be 650mm.

8. Safety grab bars for barrier-free handrails in toilets and public toilets. Safety grab bars with a height of 1200mm should be installed on both sides and above the urinal. The toilet is 450mm high, with 700mm horizontal grab bars on both sides, and a 1400mm vertical grab bar on one side of the wall.