{"@height_raise":["150 mm","150 mm"],"@height_slab":"100 mm","@ratio_landing":2,"@height_handrail":"900 mm","@type_stair":1,"@last_type_stair":[1,6],"@union_step":true,"@offset_handrail":"50 mm","@baluster":true,"@baluster_distance":"900 mm","@handrail":true}