呼和浩特舷梯\通道专用钢格板（1）宽度为700mm,800mm,900mm,最小宽度为600mm。宽度不宜大于1200mm。对于单人通过的楼梯，其两斜梁或护栏之间的宽度应不小于600mm（2）楼梯频繁地承受几个人同时交叉通过或用作人员的撤离路线时，梯宽应增加到1200mm。(3)呼和浩特舷梯\通道专用钢格板的突沿处应能承受1.5KN的荷载，当宽度不大于1200mm,该荷载作用在100mm×100mm面积上；当宽度大于1200mm,在每队衬得600mm处加荷载1.5KN,楼梯踏板的挠度应不超过跨距的1/500。(4)楼梯踏板和梯段平台应具有良好的防滑性能。（5）相邻的上下两块楼梯踏步板的垂直投影的搭接部分应不小于10mm。楼梯钢格板的用途：楼梯钢格板主要用作工业平台，梯踏板，扶栏，通道地板，铁路桥侧道，高空塔架平台，排水沟盖，井盖，道路隔栅，立体停车场，机关、学校、工厂、企事业、运动场Hohhot gangway \ channel special steel grid plate ( 1) width of 700mm, 800mm, 900mm, the minimum width of 600mm. Maximum width of not more than 1200mm. For the single by the stairs, two beams or rails between width shall be not less than 600mm ( 2) stairs frequently subjected to several people at the same time through the cross or used as personnel evacuation route, ladder width should be increased to 1200mm. ( 3) the Hohhot \ channel special steel lattice panels protruding edge should be able to withstand 1.5KN load, when the width is not more than 1200mm, the loading of 100mm× 100mm in area; when the width is greater than 1200mm, in each team make 600mm loading 1.5KN, stair treads shall not exceed 1/500 of span deflection. ( 4) pedal stairs and ladder platform should have good slip properties. ( 5) adjacent to the two upper and lower stair tread vertical projection of the overlapped portion shall be not less than 10mm. Stair steel lattice panels use: stair steel lattice panels mainly used as industrial platform, ladder pedal, balustrade, channel floor, side road railway bridge, aerial platforms, drainage ditch cover, manhole covers, road fence, parking, organs, schools, factories, enterprises and institutions, sports field