久久综合久久自在自线精品自,午夜肉伦伦影院无码,999视频精品全部免费品,伊人伊成久久人综合网小说

      Language:CHINESESENGLISH

      Home > News > Guangzhou Steel teach you: General steel construction hole and limb protection
      CONTACT US
      • Address:Pingtang Industrial District, Shipeng Village, Shishan Town, Nanhai District, Foshan City,
      • Phone:0757-81002668/0757-63323396
      • Fax:0757-81196682
      • Contact:Ben Zheng/13826981293 Kerry Lu/13751224830
      • E-mail:sbs@sbsprefabhouse.com
      • URL:http://www.iigii.cn

      Guangzhou Steel teach you: General steel construction hole and limb protection

      Time:[2015-8-8]  Hits:3919

      Guangzhou Steel teach you: General steel construction hole and limb protection


      1, the side length or diameter of the hole should be 20cm ~ 40cm rigid protective cover plate; edge length or diameter of the hole should be 40cm ~ 150cm erection of steel scaffolding, scaffold boards paved; edge length or diameter of the hole at 150cm above Zhang set up should be a safety net dense mesh fence and added protection.
      2, after the building floor hoisting steel beams, partitions should be laying safety net.
      3, after hoisting steel beams surrounding floor is completed, should be set up in each limb fence, and the fence height not less than 1.2m.
      4, limb scaffold erection, operating platform, network, and other security challenges in the structure should be securely fixed. Guangzhou Steel

      Copyright:佛山市勝邦鋼結構有限公司 Foshan Shengbang Steel Structure Co., Ltd. Record Number:粵ICP備13078463號
      久久综合久久自在自线精品自

          给我免费播放的电影在线观看| 大香中文字幕伊人久热大人妻| 91看片欧美久久| gogogo高清免费播放| 噼里啪啦完整版中文在线观看| 国产精品VA在线观看无码| 欧美日韩精品高清一区二区| 不卡的毛片在线视频| 97精品人妻系列无码人妻在线看| 亚洲欧美日韩综合|