欧美精品在线视频,一级毛片无码无卡无遮挡,密臀av免费线观看,激情淫荡少妇人妻视频

Language:CHINESESENGLISH

Home > News > Foshan Steel: General provisions hoisting steel construction zone safety
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://m.szcxdj.com.cn

Foshan Steel: General provisions hoisting steel construction zone safety

Time:[2015-1-14]  Hits:5611

Foshan Steel: General provisions hoisting steel construction zone safety

1, lifting the region should set the security cordon, non-operating personnel is prohibited from entering.
2, lifting objects hanging from the ground 200mm ~ 300mm, should conduct a comprehensive inspection, and after the official confirmation should be lifting.
3, when the wind speed reaches 10m / s, should stop lifting operations; when the wind speed reaches 15m / s, not lifting operations.
4, high-altitude use small hand tools and small parts of measures should be taken to avoid falling.
5, the construction of electricity should be consistent with the current industry standard "construction site temporary electrical safety technical specifications" of the relevant provisions of JGJ46.
6, the construction site should be professionals responsible for the installation, maintenance and management of electrical equipment and power lines.
7, a day hanging on to the floor or roof components not finished when installed, should take firm measures to temporarily fixed.
8, the pressure plate surface water, ice, frost or snow, they should be promptly removed and shall take appropriate measures to protect non-slip.

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
激情五月婷婷丁香| 精品久久久无码中文字幕一区| 欧美黄色网址导航大全| 色宗合五月婷婷| 日韩综合在线资源| 国产av麻豆影视| 国产精品一区二区含羞草| 人妻熟妇三级片| 99人妻精品日韩欧美| 好爽...又高潮了毛片| 国产99视频精品免费视看11| 一区二区三区在线视频观看| 亚州天堂2020| 久久久久久久久久毛片| 躁躁躁日日躁| 国产午夜福利精品久久| 精品久久久无码中文字幕天天 | 亚洲精品无码免费在线观看| 特黄aaaa片| 麻豆美女精品国产| 亚洲无线一二三四区手机| 亚欧美韩日一区| 人人模人人爽人人喊| 久久电影网 国产| h无码精品动漫在线观看| 久久精品视频亚洲| 久久只有精品免费观看国产| 欧美 亚洲 激情| 精品无码久久久久久久久曰韩邻居| 精品国产XXXX一区二区三区| 亚洲欧美国产五月天综合| 为您更新强奷漂亮的女邻居中文字幕| N69模拟成人综合网| 中文字幕一区二区综合| 免费播放A级毛片视频| 美女少妇黄色AV| 国产青春在线免费视频| 女人av一区| 4AV在线| 丁香五月欧洲综合| 国产AV午夜精品一区二区入口|