Handrails 0.85 m high shall be installed on both sides of ramps, steps and stairs;When setting two handrails, the height of the lower handrail shall be 0.65m.
The extension of handrails at the starting and ending points shall be greater than or equal to 0.30m.
Handrail end should turn inward to metope, or extend 0.10 m downward.Balustrade type handrail should become arc downward or outspread secure to the ground.
The distance between the inner side of handrail and the wall shall be 40 ~ 50mm;
The armrest that installs in metope holds a piece to should be L form, the total height of armrest and hold a piece advisable is 70~80 mm
