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 > Steel construction equipment safety skills
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

Steel construction equipment safety skills

Time:[2014-9-27]  Hits:6634

Steel construction safety equipment production skills are as follows:

1 using a mobile crane lifting member, shall determine the crane out of the scene of the road and working crane two addresses and working height requirements, the boom length and working radius.
 
2 cranes should be erected on a flat solid ground, if the place does not meet the conditions set up conditions demand, should be based on site conditions, the person in charge in the skills of planning and guiding the choice of pad or use roadbed sleeper boxes and other measures.

3 cranes erected the end, you should check whether the feet firm, if the foot is not completely stretched out, should practice elongation computing machine stability, in order to determine the starting weight, avoid instability occurring incidents.

Before 4. work should be empty load test run, make sure the engine is working properly, clutches, brakes and various safety equipment vibrant, solid, before work.

5. lifting objects, respond to members strapped firm, selected lifting point.

6 ways to use other lifting, bondage ropes, pulleys, rope and other necessary use of spreader fit GB 6067 "crane safety regulations" requirement.

7 steel equipment staff work at height, it is necessary to abide by JGJ 80 "height of construction work safety skills norms" and the relevant requirements of Chapter IV of this book.

8 steel equipment at the scene near overhead transmission lines, and its safe operation interval should fit the needs of Chapter III of this book, otherwise it is necessary to adopt security measures.

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
91视频不卡熟女| 97在线 | 亚洲| 一级欧美黄片久久久| 在线视频最新.最快.最全的精品导航| 五月天四色房| 精品国产综合成人亚洲区| 亚洲欧洲日本大片| 安全免费潮喷av| 丁香五月婷婷綜合| 免费观看日韩网站| 日韩国产欧美久久久| 国产一区在线视频观看| 日韩AAAA黄片免费不卡区| 日韩AV无码成人精品| 伊人久久大线蕉av色首页| 人人妻人人狠人人澡欧美| 亚洲第一区爱爱视频| 亚洲日韩精品国产三区| 激情综合一区二区三区| 精品国产三级影院| 亚洲1区,2区,三区| 成人午夜精品影院一区二区三区| 日韩三级久久| 欧美色欧美亚洲另类二区人妖| 国产日韩AV无码一区二区三区| 日韩精品白浆| 免费的亚州黄片| 99久久精品久久久久久水蜜桃| 人妻系列As无码首页| 亚洲黄色视频网站在线观看| 欧美综合自拍亚洲综合区 | 久久久久久无码精品人妻一区二区 | 色我们av| 亚洲xxxxx爱| 国产激情视频免费在线观看| 欧美日本亚洲| 色人妻AV| 久久久久人妻精品一区三寸蜜桃| 夜夜操天天添| 人妻在线精品| 中文字幕乱码人在线视频1区|