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According to Heilongjiang daily, at 15:08 on April 20, two people died and two others were injured in a falling accident at a construction site on surveying and mapping road in Nangang District of Harbin city
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After the accident, someone immediately called the police
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The staff of relevant departments rushed to the scene immediately to rescue the injured
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The injured were sent to hospital by 120 ambulance
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At present, the specific cause of the incident remains to be further investigated
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According to a person familiar with the scene, he was the family member of the victims
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At that time, his relatives were working on the construction site
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It was said that someone fell from the 11th floor and hit three people below
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His brother-in-law and the victims were killed, and two were seriously injured
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On the afternoon of April 20, the Publicity Department of Nangang District in Harbin said it was checking the matter
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Work at height safety production standardization series video fall from height, an inevitable killer! There are five basic types of work at height, including edge work, climbing work, hanging work, crossing work and entrance work
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These types of work at height are the main places where casualty accidents may occur
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1、 What is work at height? It is clearly stipulated in the national standard GB / t3608-2008 “classification of work at height”: “work at height that is 2m above the datum plane of falling height (including 2m) is called work at height” Common high altitude operations: changing light bulbs, hanging propaganda banners, ceiling or roof construction, large equipment maintenance, external wall cleaning, scaffold construction, etc
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2、 Risks of working at height: 1
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Falling from height (lack of safety belt and safety rope, instability of ladder, aging and fracture of lifting rope); 2
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Electric shock (live working or inadvertent contact with high-altitude power line); 3
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Cause fire (work at height involves welding and other hot work); 4
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Object strike (work tools and materials fall, causing injury to the personnel below)
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3、 Personal protection requires that we do not have a pair of wings to soar
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We are not born with the ability to climb and jump
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We are all ordinary people
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What should we do in the face of the risk of falling from height? The most important thing is to do a good job in personal protection! Safety belt – life protection line for work at height safety rope – life rope and safety rope safety helmet – head protection from injury clothing – easy operation and fall prevention personal protective equipment should meet national standards and industry technical standards, be safe, reliable and durable, and be comfortable and easy to operate on the premise of ensuring quality
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Operators should wear personal protective equipment correctly according to the instructions
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2
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The requirements of protective facilities and equipment should choose the climbing ladder with protective fence and operation platform
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The climbing platform ladder not only has good stability, but also provides space for operation and storage of tools, which effectively reduces the risk of accidents and greatly improves work efficiency
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When hanging signboards, overhauling lamps, cleaning external walls and disassembling air conditioners outdoors, the automatic lifting platform should be selected
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The automatic lifting platform shall be equipped with fall guard, Provide carrier for safety rope to prevent operators from falling
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A baffle is set at the bottom to prevent the tool from slipping and causing injury
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Metal support is set at the bottom to prevent tipping during operation
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A warning area shall be set under the work at height
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The safety scope of the warning area shall not be less than twice the area of the work area
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The warning area shall be closed with a warning fence or a warning rope without leaving a gap to prevent irrelevant personnel from entering
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4、 The warning signs on site should be equipped with warning signs corresponding to the on-site danger, such as: beware of falling, wear safety helmet, etc; The warning signs set on site shall be hung at eye-catching positions, and the operation shall not be affected
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5、 Common hidden danger of high altitude operation 1
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The safety belt is unqualified, damaged and without inspection mark
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If the team has unqualified safety belt or no label, it must be replaced in time
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2
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If the safety belt is not properly used when working more than 1.8m on the mobile scaffold, the safety belt should be hung at a high place
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3
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When stacking materials, when loading and unloading materials, more than 1.8m did not use fall protection
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4
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There is no warning area under the work at height, or the safety scope of the warning area is insufficient (2 times), and the warning area is not closed with gaps
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5
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When working at height, the safety belt is not hung high and used low, and the falling safety distance of the buffer belt is not considered
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6
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The hanging point of safety belt is not reliable and firm, such as hanging under the steel structure, edge of scaffold pipe, etc
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7
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There are no fall protection measures for tools and equipment at high places, such as using tool bags or binding
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8
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Cross operation, personnel below are not protected
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9
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When personnel move at height, they do not have 100% fall protection, so they should use double hooks alternately
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10
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Materials for work at height are not cleaned in time and fall protection is not provided, such as using buckets or bags to store loose materials
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11
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Before operation, the safe access to the working floor at height was not considered
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12
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All passageways, fire fighting and electric box doors shall not be blocked, and wires, gas bottles or other objects shall not be placed at passageways
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6、 Ten prohibitions for work at height: 1
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Workers with taboo of climbing, such as those with hypertension, heart disease, anemia, epilepsy, etc., will not climb
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2
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Those who fail to go through the examination and approval procedures for work at height as required shall not climb the height
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3
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No safety helmet, no safety belt, no trousers, no supervision, no climbing
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4
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In case of rainstorm, fog and gale of force 6 or above, it is not allowed to climb in the open air
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5
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If the scaffold and pedal are not firm, they will not climb high
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6
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Ladder feet do not climb without anti-skid measures
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7
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Wear slippery shoes and carry heavy objects without climbing
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8
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Asbestos tile and glass fiber reinforced plastic tile, no firm pedal, no climbing
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9
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There is no barrier beside the high voltage line
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10
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No climbing at night due to insufficient lighting
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Source: Bronze safety classroom, construction safety, safety production technology, Douding construction
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The copyright belongs to the original author and the original source, if the original copyright owner does not agree
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