国产剧情AV麻豆香蕉精品,国产女人A级毛片18视频,人妻丰满熟人熟妇av无码,久久99国产精品9床震网站

          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.creadir.com

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

          Time:[2015-8-8]  Hits:4279

          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(jié)構(gòu)有限公司 Foshan Shengbang Steel Structure Co., Ltd. Record Number:粵ICP備13078463號