Safety net with certificate shall be selected.
After verification, the accident caused 2 deaths, 1 serious injury and 1 minor injury.
Climbing operation refers to high-altitude operation carried out under climbing conditions with the help of building structures, scaffolds, ladders or other climbing facilities.
After wearing the helmet, adjust the helmet hoop and fasten the helmet belt.
Suspended operation refers to high-altitude operation carried out in the surrounding free state.
When working at heights of 2M and above, safety belts must be used.
Construction shall not be carried out without implementation; Check the safety signs, tools, instruments, electrical facilities and various equipment during high-altitude operation, and put them into use only after confirming that they are in good condition; All possible falling objects in the high place operation site shall be removed or fixed first; All articles used shall be stacked stably without hindering passage, loading and unloading.
If the safety net is damaged or aging, it shall be replaced in time.
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In case of looseness, deformation, damage or falling off, rain leakage, electric leakage and other phenomena, they shall be repaired or reset immediately.
The connection between the safety net and the frame should not be too tight, and the tie points should be evenly distributed and firmly bound along the edge.
Work around the reserved feeding port, channel port, construction port, etc.
During suspended operation, there shall be a firm operation foothold, and protective railings shall be set according to the specific situation, scaffold and operation platform shall be set up, horse stool shall be used, safety net shall be hung or other safety measures shall be taken; The rigging, scaffold board, hanging basket, hanging cage, platform and other equipment used in the operation can only be used after passing the technical appraisal.
For component hoisting in building construction, the hanging basket shall be used for exterior wall decoration.
Erect and dismantle scaffolds and hang safety nets around buildings.
Since there is no operation platform, operators can only work on the available objects, which is difficult and dangerous.
Work at unprotected stairways and stairways, on both sides of channels such as derrick, construction elevator and scaffold, and around various vertical transportation unloading platforms.
Before wearing safety helmet, check whether the shell is damaged, whether there is qualified hat lining and whether the hat belt is complete.
If an object falls from the hole, it will also hurt the personnel below.
Work on unprotected balcony, material platform and cantilever platform around the foundation pit on unprotected floors and floors.
For all operations near the edge, protective railings shall be set at the edge.
The safety net can prevent people and objects from falling or avoid or reduce the impact injury of objects.
During climbing operation, operators shall climb up and down from the specified channel, and shall not climb in non specified channels such as balconies, or use construction equipment such as crane boom at will.
Installation and disassembly of tower crane, gantry, well frame, construction elevator, pile frame, climbing and installation of steel structural components, etc.
During exterior wall decoration, the bottom shall be primed and plastered, and the top shall be decorated, etc.
When the construction personnel erect scaffolds and lift materials at heights, the personnel on the ground are handling materials.
If it does not meet the requirements, it shall be replaced immediately.
Typical cases of falling accidents Click to watch the video ▼ safety warning education film of falling from height.
Safety helmets conforming to relevant standards shall be selected.
There are five basic types of falling from height.
In cross operation, if materials are accidentally touched during high-altitude operation, tools are dropped or lifted objects are scattered, they may hit the operators below and cause biological attack accidents.
Where the safety belt cannot be hung directly, the safety pull rope and safety railing for hanging the safety belt shall be set.
If the above conditions are not met, a safety protective layer must be set.
Only after passing the acceptance can work at heights be carried out.
Operators at heights shall wear safety helmets, tight fitting overalls, anti-skid shoes and safety belts.
Its characteristic is that operators operate without foothold or firm foothold, which is very dangerous.
Support and remove formwork, tie bar, concrete pouring and other operations for special parts such as cantilever platform or suspended beam plate and canopy.
Operation requirements the construction unit and operators shall operate in strict accordance with the requirements.
Recently, Tianjin Emergency Management Bureau reported an accident: at 15:34 on August 7, a four person high falling accident occurred at the gymnasium site of phase II of the West complex building project of Tianjin Binhai Automotive Engineering Vocational College, Jinnan District.
Vertical net shall not be used as flat net.
For portal operation, measures such as setting protective railings, capping plates, hanging safety nets and installing gates can be taken according to specific conditions.
In case of severe weather such as strong wind above level 6, dense fog and heavy rain, outdoor high-altitude operation shall not be carried out; After the typhoon, the safety facilities for high-altitude operation shall be checked one by one.
Cross operation refers to the high-altitude operation carried out simultaneously at different levels of the construction site in the state of space penetration.
Throwing is prohibited during cleaning.
Generally, the height of the upper rod from the ground is 1m to 1.2m, and the height of the lower rod from the ground is 50cm to 60cm; The protective railing must be closed with safety net from top to bottom, or a tightly fixed toe board with a height of no less than 18 cm or a toe fence with a height of no less than 40 cm can be set under the railing.
Portal operation refers to high-altitude operation at and near the portal.
Personnel engaged in high-altitude operation must have regular physical examination.
From the second floor of the structure construction, safety protection sheds shall be set up at all entrances and exits of personnel (including the entrance and exit of derrick and construction elevator).
Before working at heights, safety protection facilities shall be inspected and accepted.
Safety measures for work at heights protective measures for work at heights include the setting of protective railings, hole capping, installation of safety protection doors, full hanging of safety horizontal and vertical nets, and the setting of safety protection sheds when necessary.
During use, it shall be reliably hung in a firm place, hung high and used low to prevent swing, open fire and stabbing.
If the protective measures are not implemented in place, operators may fall from height.
Work around building stairways, elevator entrances and reserved openings for equipment installation (formal railings are not installed).
Before operation, safety technical education and disclosure shall be carried out level by level, and safety technical measures and personal protective articles shall be implemented.
Edge operation refers to high-altitude operation when the edge of the working face lacks enclosure facilities or the height of enclosure facilities is less than 80cm.
Personnel suffering from heart disease, anemia, hypertension, epilepsy, acrophobia and other diseases unsuitable for high-altitude operation shall not engage in high-altitude operation.
In case of severe weather such as strong wind, outdoor high-altitude operation is not allowed.
The safety belt can prevent personnel working at heights from falling.
When the height exceeds 24m, double-layer protective shed shall be set.
High altitude operation in the field of building construction mainly includes five basic types: edge, hole, climbing, hanging and cross operation.
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The correct use of “Sanbao” safety helmet can prevent or reduce the external force injury to people’s head.
When the safety protection facilities and safety signs must be temporarily removed or changed due to the operation, the consent of the relevant construction director must be obtained, and corresponding measures shall be taken, and they shall be restored immediately after the operation is completed; When defects and hidden dangers are found in the safety technical facilities for high-altitude operation during construction, they must be reported immediately and eliminated in time; When personal safety is endangered, the operation must be stopped immediately.
It is strictly prohibited to tie knots and continue to use them.
During cross operation, pay attention not to operate in the same vertical direction, and the position of lower operation must be outside the range where the upper layer may fall.
Select qualified safety belts and ensure that they are within their service life.
Including the edge operation of pile holes, trenches and pipe holes of 2M and above.
The tools shall be put into the tool bag, and the disassembled objects, surplus materials and wastes shall be cleaned in time.
Personnel working at heights and erecting safety facilities at heights must receive special safety operation training in accordance with relevant national regulations and obtain special operation qualification certificate before they can work.